License校验

ゝ一世哀愁。 2022-08-04 21:27 160阅读 0赞

license 
package com.comName.dhm.common.license.tool; 
 
import java.io.IOException; 
import java.security.KeyPair; 
import java.security.KeyPairGenerator; 
import java.security.NoSuchAlgorithmException; 
import java.security.PrivateKey; 
import java.security.PublicKey; 
import java.security.SecureRandom; 
 
/\*\* 
 \* 生成一对密钥，即私钥和公钥 
 \* 
 \*/ 
public class GenerateKeyPair 
\{ 
 
    /\*\* 
     \* 密鈅对生成处理 
     \*/ 
    public void run() 
    \{ 
 
        try 
        \{ 
            KeyPairGenerator keygen = KeyPairGenerator.getInstance(LicenseToolUtil.KEY\_ALGORITHM); 
            SecureRandom random = new SecureRandom(); 
            keygen.initialize(LicenseToolUtil.KEY\_SIZE, random); 
            KeyPair keyPair = keygen.genKeyPair(); 
 
            // 得到钥匙对 
            PublicKey publicKey = keyPair.getPublic(); 
            PrivateKey privateKey = keyPair.getPrivate(); 
 
            // 写公钥文件 
            LicenseToolUtil.writeFile(LicenseToolUtil.PUBLIC\_KEY\_FILE, publicKey.getEncoded()); 
 
            // 写密钥文件 
            LicenseToolUtil.writeFile(LicenseToolUtil.PRIVATE\_KEY\_FILE, privateKey.getEncoded()); 
 
            // 完成 
            System.out.println("生成密钥对成功,公钥路径【" + LicenseToolUtil.PUBLIC\_KEY\_FILE + "】，私钥路径【 " 
                    + LicenseToolUtil.PRIVATE\_KEY\_FILE + "】"); 
        \} 
        catch (NoSuchAlgorithmException e) 
        \{ 
            // error异常处理 
            System.err.println("生成密钥对失败:" + e.getMessage()); 
        \} 
        catch (IOException e) 
        \{ 
            // error异常处理 
            System.err.println("生成密钥对失败:" + e.getMessage()); 
        \} 
    \} 
 
    /\*\* 
     \* 执行入口 
     \* 
     \* @param args 
     \*/ 
    public static void main(String\[\] args) 
    \{ 
 
        System.out.println("密钥对生成开始。"); 
        // 执行 
        new GenerateKeyPair().run(); 
        System.out.println("密钥对生成结束。"); 
    \} 
\} 
 
package com.comName.dhm.common.license.tool; 
 
import java.io.BufferedInputStream; 
import java.io.BufferedOutputStream; 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.FileNotFoundException; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.io.InputStreamReader; 
import java.util.ArrayList; 
import java.util.Iterator; 
import java.util.List; 
 
import org.jdom.Document; 
import org.jdom.Element; 
import org.jdom.JDOMException; 
import org.jdom.input.SAXBuilder; 
import org.jdom.output.Format; 
import org.jdom.output.XMLOutputter; 
 
/\*\* 
 \* License工具的操作公用类 
 \* 
 \*/ 
public class LicenseToolUtil 
\{ 
 
    /\*\* 
     \* key的size 
     \*/ 
    public final static int KEY\_SIZE = 1024; 
 
    /\*\* 
     \* 加密算法 
     \*/ 
    public final static String KEY\_ALGORITHM = "RSA"; 
 
    /\*\* 
     \* 签名算法 
     \*/ 
    public static final String SIGNATURE\_ALGORITHM = "MD5withRSA"; 
 
    /\*\* 
     \* 公钥文件 
     \*/ 
    public final static String PUBLIC\_KEY\_FILE = "conf/publickey.txt"; 
 
    /\*\* 
     \* 私钥文件 
     \*/ 
    public final static String PRIVATE\_KEY\_FILE = "conf/privatekey.txt"; 
 
    /\*\* 
     \* signature对象的名字 
     \*/ 
    public static final String SIGNATURE\_NAME = "signature"; 
 
    /\*\* 
     \* 读取文件内容，保存为byte数组 
     \* 
     \* @param filePath 
     \*            文件路径 
     \* @return 文件内容数据 
     \* @throws IOException 
     \*/ 
    public static byte\[\] readFile(String filePath) throws IOException 
    \{ 
 
        // 文件名是否为空 
        if (filePath == null) 
        \{ 
            System.out.println("文件名为空，不能读取数据。"); 
            return null; 
        \} 
 
        // 构建File对象 
        File file = new File(filePath); 
        if (file.exists() && file.isFile()) 
        \{ 
            long fileLength = file.length(); 
            if (fileLength > 0L) 
            \{ 
                BufferedInputStream fis = new BufferedInputStream(new FileInputStream(file)); 
 
                byte\[\] b = new byte\[(int) fileLength\]; 
                while (fis.read(b) != -1) 
                \{ 
                \} 
                fis.close(); 
                fis = null; 
 
                return b; 
            \} 
        \} 
        else 
        \{ 
            return null; 
        \} 
        return null; 
    \} 
 
    /\*\* 
     \* 将byte数据写入写文件 
     \* 
     \* @param filePath 
     \*            文件路径 
     \* @param content 
     \*            byte数据 
     \* @throws IOException 
     \*/ 
    public static void writeFile(String filePath, byte\[\] content) throws IOException 
    \{ 
 
        BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(filePath)); 
 
        fos.write(content); 
        fos.flush(); 
        fos.close(); 
    \} 
 
    /\*\* 
     \* 将字节数组转化为十六进制 
     \* 
     \* @param theData 
     \*            字节数组 
     \* @return 十六进制数据 
     \*/ 
    public static String bytesToHexString(byte\[\] theData) 
    \{ 
        StringBuffer hexStrBuff = new StringBuffer(theData.length \* 2); 
 
        for (int i = 0; i < theData.length; i++) 
        \{ 
            String hexByteStr = Integer.toHexString(theData\[i\] & 0xff).toUpperCase(); 
            if (hexByteStr.length() == 1) 
            \{ 
                hexStrBuff.append("0"); 
            \} 
            hexStrBuff.append(hexByteStr); 
        \} 
 
        return hexStrBuff.toString(); 
    \} 
 
    /\*\* 
     \* 将十六进制转化为字节数组 
     \* 
     \* @param theHexString 
     \*            十六进制数据 
     \* @return 字节数组 
     \*/ 
    public static byte\[\] hexStringToBytes(String theHexString) 
    \{ 
        byte data\[\] = new byte\[theHexString.length() / 2\]; 
 
        for (int i = 0; i < data.length; i++) 
        \{ 
            String a = theHexString.substring(i \* 2, i \* 2 + 2); 
            data\[i\] = (byte) Integer.parseInt(a, 16); 
        \} 
 
        return data; 
    \} 
 
    /\*\* 
     \* 取得文件对象的Dom对象 
     \* 
     \* @return 文件对象的Dom对象 
     \*/ 
    public static Element getFileRootDocument(File xmlFile) 
    \{ 
        if (xmlFile == null || !xmlFile.exists()) 
        \{ 
            return null; 
        \} 
        try 
        \{ 
            SAXBuilder builder = new SAXBuilder(); 
            Document doc = builder.build(xmlFile); 
            return doc.getRootElement(); 
        \} 
        catch (JDOMException e) 
        \{ 
            e.printStackTrace(); 
        \} 
        catch (IOException e) 
        \{ 
            e.printStackTrace(); 
        \} 
        return null; 
    \} 
 
    /\*\* 
     \* 取得签名信息 
     \* 
     \* @param rootElement 
     \*            license的Element对象 
     \* @return 签名信息 
     \*/ 
    public static String getSignatureSource(Element rootElement) 
    \{ 
 
        if (rootElement == null) 
        \{ 
            // 没有要签名的对象 
            System.err.println("没有要签名的对象"); 
            return null; 
        \} 
        // 要签名的信息 
        StringBuffer sb = new StringBuffer(); 
        fetchElementLeafValue(rootElement, sb); 
        return sb.toString(); 
    \} 
 
    /\*\* 
     \* 递归取得license文件的内容 
     \* 
     \* @param element 
     \*            当前Element对象 
     \* @param sb 
     \*            buffer 
     \* @return 签名信息 
     \*/ 
    private static void fetchElementLeafValue(Element element, StringBuffer sb) 
    \{ 
 
        if (element == null) 
        \{ 
            return; 
        \} 
        List<?> list = element.getChildren(); 
        // signature对象不作为签名对象 
        if (list.size() == 0 && !SIGNATURE\_NAME.equalsIgnoreCase(element.getName())) 
        \{ 
            sb.append("&").append(element.getText()); 
        \} 
        // 递归调用 
        for (Iterator<?> iterator = list.iterator(); iterator.hasNext();) 
        \{ 
            Element ele = (Element) iterator.next(); 
            fetchElementLeafValue(ele, sb); 
        \} 
 
    \} 
 
    /\*\* 
     \* 读取文件的第一行数据 
     \* 
     \* @param file 
     \*            数据文件 
     \* @return 第一行数据 
     \*/ 
    public static String readContentFromFile(File file) throws IOException 
    \{ 
 
        if (file == null || !file.exists() || !file.isFile()) 
        \{ 
            System.err.println("文件不存在！"); 
            return null; 
        \} 
 
        StringBuffer tmpStr = new StringBuffer(); 
        InputStreamReader isr = new InputStreamReader(new FileInputStream(file)); 
        char\[\] bf = new char\[1024\]; 
        int i = -1; 
        while ((i = isr.read(bf)) != -1) 
        \{ 
            tmpStr.append(bf, 0, i); 
        \} 
        isr.close(); 
        return tmpStr.toString(); 
    \} 
 
    /\*\* 
     \* 写License文件 
     \* 
     \* @param licenseFileName 
     \*            license文件的名字 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @param signature 
     \*            signature的值 
     \* @return 写文件是否成功 
     \*/ 
    public static boolean writeLicenseXML(String licenseFileName, Element rootElement, String signature) 
    \{ 
 
        if (licenseFileName == null) 
        \{ 
            // error 文件名不能为空 
            System.err.println("文件名不能为空"); 
            return false; 
        \} 
        if (rootElement == null) 
        \{ 
            // error license内容对象不能为空 
            System.err.println("license内容对象不能为空"); 
            return false; 
        \} 
 
        try 
        \{ 
            // 写signature节点的值 
            Element element = getElementByName(rootElement, SIGNATURE\_NAME); 
            if (element != null) 
            \{ 
                element.setText(signature); 
            \} 
            Format format = Format.getCompactFormat(); 
            format.setEncoding("utf-8"); 
            format.setIndent("    "); 
            XMLOutputter XMLOut = new XMLOutputter(format); 
            XMLOut.output((Document) rootElement.getParent(), new FileOutputStream(licenseFileName)); 
            return true; 
        \} 
        catch (FileNotFoundException e) 
        \{ 
            e.printStackTrace(); 
        \} 
        catch (IOException e) 
        \{ 
            e.printStackTrace(); 
        \} 
        return false; 
    \} 
 
    /\*\* 
     \* 取得指定的element 
     \* 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @param name 
     \*            节点名字 
     \* @return 指定的element 
     \*/ 
    public static Element getElementByName(Element rootElement, String name) 
    \{ 
 
        List<Element> target = getElementsByName(rootElement, name); 
 
        if (target != null && target.size() > 0) 
        \{ 
            return target.get(0); 
        \} 
        return null; 
 
    \} 
 
    /\*\* 
     \* 取得指定的element一览 
     \* 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @param name 
     \*            节点名字 
     \* @return 指定的element一览 
     \*/ 
    public static List<Element> getElementsByName(Element rootElement, String name) 
    \{ 
 
        if (name == null) 
        \{ 
            // error 节点名字不能为空 
            System.err.println("节点名字不能为空"); 
            return null; 
        \} 
        if (rootElement == null) 
        \{ 
            // error license内容对象不能为空 
            System.err.println("license内容对象不能为空"); 
            return null; 
        \} 
 
        List<Element> target = new ArrayList<Element>(); 
        searchElementByName(target, rootElement, name); 
 
        return target; 
 
    \} 
 
    /\*\* 
     \* 递归取得指定的element一览 
     \* 
     \* @param target 
     \*            element一览 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @param name 
     \*            节点名字 
     \* @return 指定的element一览 
     \*/ 
    private static List<Element> searchElementByName(List<Element> target, Element element, String name) 
    \{ 
 
        List<?> eleList = element.getChildren(); 
        if (name.equalsIgnoreCase(element.getName())) 
        \{ 
            target.add(element); 
        \} 
        if (eleList.size() == 0) 
        \{ 
            return target; 
        \} 
        else 
        \{ 
            for (Iterator<?> iterator = eleList.iterator(); iterator.hasNext();) 
            \{ 
                Element element2 = (Element) iterator.next(); 
                searchElementByName(target, element2, name); 
            \} 
        \} 
        return target; 
    \} 
\} 
 
 
读取初始化license文件，生成签名license文件的处理 
package com.comName.dhm.common.license.tool; 
 
import java.io.File; 
import java.io.IOException; 
import java.security.InvalidKeyException; 
import java.security.KeyFactory; 
import java.security.NoSuchAlgorithmException; 
import java.security.PrivateKey; 
import java.security.Signature; 
import java.security.SignatureException; 
import java.security.spec.InvalidKeySpecException; 
import java.security.spec.PKCS8EncodedKeySpec; 
 
import org.jdom.Element; 
 
/\*\* 
 \* 读取初始化license文件，生成签名license文件的处理 
 \* 
 \*/ 
public class GenerateLicense 
\{ 
 
    /\*\* 
     \* 初始化license文件 
     \*/ 
    private static String orgLicenseFile = "license.xml"; 
 
    /\*\* 
     \* 签名license文件 
     \*/ 
    private static String licenseFile = "conf/license.xml"; 
 
    /\*\* 
     \* license生成处理 
     \*/ 
    public void run() 
    \{ 
 
        try 
        \{ 
 
            // 取得初始化license文件的Element对象 
            Element rootElement = LicenseToolUtil.getFileRootDocument(new File(orgLicenseFile)); 
            // 签名信息 
            String myinfo = LicenseToolUtil.getSignatureSource(rootElement); 
 
            if (myinfo == null) 
            \{ 
                // 异常处理 
                System.err.println("初始化license不存在，生成签名license文件生成密钥对失败。"); 
                return; 
            \} 
 
            // 取得私钥 
            byte\[\] privateKey = LicenseToolUtil.readFile(LicenseToolUtil.PRIVATE\_KEY\_FILE); 
 
            if (privateKey == null || privateKey.length == 0) 
            \{ 
                System.err.println("私钥取得失败，生成签名license文件生成密钥对失败。"); 
                return; 
            \} 
 
            // 取得加密的key 
            PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec(privateKey); 
            KeyFactory keyf = KeyFactory.getInstance(LicenseToolUtil.KEY\_ALGORITHM); 
            PrivateKey myprikey = keyf.generatePrivate(priPKCS8); 
 
            // 用私钥对信息生成数字签名 
            Signature signet = Signature.getInstance(LicenseToolUtil.SIGNATURE\_ALGORITHM); 
            signet.initSign(myprikey); 
            signet.update(myinfo.getBytes()); 
            byte\[\] signed = signet.sign(); // 对信息的数字签名 
            // 签名信息加密 
            String sigStr = LicenseToolUtil.bytesToHexString(signed); 
 
            if (LicenseToolUtil.writeLicenseXML(licenseFile, rootElement, sigStr)) 
            \{ 
                System.out.println("签名并生成文件成功,license文件的地址【" + licenseFile + "】"); 
            \} 
            else 
            \{ 
                System.out.println("签名失败"); 
            \} 
 
        \} 
        catch (NoSuchAlgorithmException e) 
        \{ 
            e.printStackTrace(); 
            // 异常处理 
            System.out.println("生成密钥对失败"); 
        \} 
        catch (IOException e) 
        \{ 
            e.printStackTrace(); 
            // 异常处理 
            System.out.println("生成密钥对失败"); 
        \} 
        catch (InvalidKeySpecException e) 
        \{ 
            e.printStackTrace(); 
            // 异常处理 
            System.out.println("生成密钥对失败"); 
        \} 
        catch (InvalidKeyException e) 
        \{ 
            e.printStackTrace(); 
            // 异常处理 
            System.out.println("生成密钥对失败"); 
        \} 
        catch (SignatureException e) 
        \{ 
            e.printStackTrace(); 
            // 异常处理 
            System.out.println("生成密钥对失败"); 
        \} 
 
    \} 
 
    /\*\* 
     \* 执行入口 
     \* 
     \* @param args 
     \*/ 
    public static void main(String\[\] args) 
    \{ 
        System.out.println("License文件生成开始。"); 
        // 是否传递路径 
        if (args.length == 2) 
        \{ 
            orgLicenseFile = args\[0\]; 
            licenseFile = args\[1\]; 
        \} 
        else 
        \{ 
            System.out.println("没有指定初始化license文件与生成后license文件的路径，license文件将生成到默认路径。"); 
        \} 
        // 生成license文件 
        new GenerateLicense().run(); 
        System.out.println("License文件生成结束。"); 
    \} 
\} 
 
orgLicenseFile = "license.xml"; 
<?xml version="1.0" encoding="utf-8"?> 
<comName-license> 
    <systemInfo> 
        <name>SDP.SME.CD</name> 
        <version>V300R002</version> 
        <serial>61635-6786786-1334569-22342</serial> 
        <ip>any</ip> 
        <mac>any</mac> 
        <expiration>2012-12-1 12:00:00</expiration> 
        <controlLevel>1</controlLevel> 
    </systemInfo> 
    <controlItems> 
        <controlItem> 
            <name>system\_user\_number</name> 
            <value>10000000</value> 
        </controlItem> 
        <controlItem> 
            <name>product\_offering\_number</name> 
            <value>10000000</value> 
        </controlItem> 
    </controlItems> 
    <signature>260BD1C81C5A661E71EFE7CE508703B91DA481DDF35631BCAF6BEDFAAF52E53D1BC83B8461BD0F515C4EDCC23C37C58FEEAA2E0DA15BFC4BFEAFCFA371606F1450408E8F8AF7850AC4B799DCE2C7E5E54A3A1F2808A897958F50023C114BAC6C1ACF537D3782810BB23DD2CE6E16BBC275B3CA43AF882E792F1DA9E8A922D4A4</signature> 
</comName-license> 
licenseFile = "conf/license.xml"; 
<?xml version="1.0" encoding="utf-8"?> 
<comName-license> 
    <systemInfo> 
        <name>DHM.iEPG</name> 
        <version>V200R002</version> 
        <serial>61635-6786786-1334569-22342</serial> 
        <ip>any</ip> 
        <mac>any</mac> 
        <expiration>2011-12-1 12:00:00</expiration> 
        <controlLevel>1</controlLevel> 
    </systemInfo> 
    <controlItems> 
        <controlItem> 
            <name>system\_user\_number</name> 
            <value>1000</value> 
        </controlItem> 
        <controlItem> 
            <name>product\_offering\_number</name> 
            <value>100</value> 
        </controlItem> 
    </controlItems> 
    <signature>3772A5EDB2E31E82368BA6D199D8C2FFD55AD56CCA670C31EA0DFABD0C0C892C4A4E035757254A35D33850ECE0ABB39F30FBDEB4C966FC1E87EB07981C694F25A929CC27CE6A6FA4EDDE4B70E341BBD9DDF219FD86D9B5205535F963272012792C7D0ED0B35312DFBC2F72F19A1796DF69F2C3FC8895348E82179F83B82EEE6D</signature> 
</comName-license> 
 
package com.comName.dhm.common.license; 
 
import java.util.Map; 
 
import org.apache.log4j.Logger; 
 
import com.comName.dhm.common.license.vo.License; 
import com.comName.dhm.common.license.vo.LicenseInfo; 
import com.comName.dhm.common.license.vo.SystemInfo; 
 
/\*\* 
 \* License组件接口 
 \* 
 \*/ 
public class ControlItemCheck 
\{ 
 
    /\*\* 
     \* 日志对象 
     \*/ 
    private static Logger logger = Logger.getLogger(ControlItemCheck.class); 
 
    /\*\* 
     \* 控制项检验 
     \* <ol> 
     \* <li>控制项不存在时，FALSE 
     \* <li>控制项超过控制上限值且控制级别为高，FALSE 
     \* <li>控制项超过控制上限值但控制级别为低，TRUE 
     \* <li>控制项没有超过控制上限值，TRUE 
     \* </ol> 
     \* 
     \* @param controlName 
     \*            控制项目名 
     \* @param controlValue 
     \*            控制项目值 
     \* @return 是否合法 
     \*/ 
    public static boolean checkItem(String controlName, int controlValue) 
    \{ 
    
        if (logger.isDebugEnabled()) 
        \{ 
            logger.info("控制项检查开始。"); 
            logger.debug("控制项:【controlName:" + controlName + "】【controlValue:" + controlValue + "】"); 
        \} 
 
        // 获取license对象 
        License license = LicenseInfo.getLicense(); 
 
        // 加载license失败或license不存在 
        if (license == null || controlName == null) 
        \{ 
            logger.error("验证异常，license对象不存在或license信息加载失败。"); 
            return false; 
        \} 
        // 系统信息取得 
        SystemInfo sysinfo = license.getSystemInfo(); 
        if (sysinfo == null) 
        \{ 
            // 系统信息为空 
            logger.error("验证异常，license对象的系统信息不存在。"); 
            return false; 
        \} 
 
        // 控制级别验证 
        Map<String, String> controlItems = license.getControlItems(); 
        String testValue = controlItems.get(controlName); 
        // 控制项是否存在 
        if (testValue == null) 
        \{ 
            // 没有取得控制项 
            logger.error("验证异常，控制项不存在。"); 
            return false; 
        \} 
        // 超过控制值 
        if (controlValue > Integer.parseInt(testValue)) 
        \{ 
            // 控制级别 
            // 级别高 
            if (sysinfo != null && "1".equals(sysinfo.getControlLevel())) 
            \{ 
                // 超过控制值 
                if (logger.isInfoEnabled()) 
                \{ 
                    logger.info("验证不通过，超过控制值，且级别为高。"); 
                \} 
                return false; 
            \} 
            // 超过控制值，但级别为低 
            if (logger.isInfoEnabled()) 
            \{ 
                logger.info("超过控制值，但级别为低"); 
            \} 
        \} 
 
        // 验证成功 
        if (logger.isDebugEnabled()) 
        \{ 
            logger.debug("验证通过。"); 
        \} 
        return true; 
    \} 
 
    /\*\* 
     \* 根据控制项名字取得控制项值 
     \* 
     \* @param controlName 
     \*            控制项目名 
     \* @return 控制项目值 
     \*/ 
    public static int getControlValue(String controlName) 
    \{ 
        // log开始 
        if (logger.isInfoEnabled()) 
        \{ 
            logger.info("控制项值取得处理开始。"); 
        \} 
        if (logger.isDebugEnabled()) 
        \{ 
            logger.debug("控制项:【controlName:" + controlName + "】"); 
        \} 
 
        int controlValue = Integer.MIN\_VALUE; 
 
        // 获取license对象 
        License license = LicenseInfo.getLicense(); 
 
        // 加载license失败或license不存在 
        if (license == null || controlName == null) 
        \{ 
            logger.error("验证异常，license对象不存在或license信息加载失败。"); 
            return controlValue; 
        \} 
 
        // 控制项值取得 
        Map<String, String> controlItems = license.getControlItems(); 
        String testValue = controlItems.get(controlName); 
        // 控制项是否存在 
        if (testValue == null) 
        \{ 
            // 没有取得控制项 
            logger.error("验证异常，控制项不存在。"); 
            controlValue = Integer.MIN\_VALUE; 
        \} 
        try 
        \{ 
            controlValue = Integer.parseInt(testValue); 
        \} 
        catch (NumberFormatException e) 
        \{ 
            logger.error("控制项值不正确。", e); 
            controlValue = Integer.MIN\_VALUE; 
        \} 
 
        return controlValue; 
    \} 
\} 
 
package com.comName.dhm.common.license.vo; 
 
/\*\* 
 \* 保存License信息 
 \* 
 \*/ 
public class LicenseInfo 
\{ 
 
    /\*\* 
     \* License信息 
     \*/ 
    private static License license; 
 
    /\*\* 
     \* 取得license 
     \* 
     \* @return license的值 
     \*/ 
    public static License getLicense() 
    \{ 
        return license; 
    \} 
 
    /\*\* 
     \* 设置license 
     \* 
     \* @param 设置的license 
     \*/ 
    public static void setLicense(License license) 
    \{ 
        LicenseInfo.license = license; 
    \} 
\} 
 
 
package com.comName.dhm.common.license.vo; 
 
import java.util.Map; 
 
/\*\* 
 \* License实体(tag名：coship-license) 
 \* 
 \*/ 
public class License 
\{ 
 
    /\*\* 
     \* 系统信息(tag名：systemInfo) 
     \*/ 
    private SystemInfo systemInfo; 
 
    /\*\* 
     \* 控制项列表(tag名：controlItems) 
     \*/ 
    private Map<String, String> controlItems; 
 
    /\*\* 
     \* 证书(tag名：signature) 
     \*/ 
    private String signature; 
 
    /\*\* 
     \* 取得systemInfo 
     \* 
     \* @return systemInfo的值 
     \*/ 
    public SystemInfo getSystemInfo() 
    \{ 
        return systemInfo; 
    \} 
 
    /\*\* 
     \* 设置systemInfo 
     \* 
     \* @param 设置的systemInfo 
     \*/ 
    public void setSystemInfo(SystemInfo systemInfo) 
    \{ 
        this.systemInfo = systemInfo; 
    \} 
 
    /\*\* 
     \* 取得controlItems 
     \* 
     \* @return controlItems的值 
     \*/ 
    public Map<String, String> getControlItems() 
    \{ 
        return controlItems; 
    \} 
 
    /\*\* 
     \* 设置controlItems 
     \* 
     \* @param 设置的controlItems 
     \*/ 
    public void setControlItems(Map<String, String> controlItems) 
    \{ 
        this.controlItems = controlItems; 
    \} 
 
    /\*\* 
     \* 取得signature 
     \* 
     \* @return signature的值 
     \*/ 
    public String getSignature() 
    \{ 
        return signature; 
    \} 
 
    /\*\* 
     \* 设置signature 
     \* 
     \* @param 设置的signature 
     \*/ 
    public void setSignature(String signature) 
    \{ 
        this.signature = signature; 
    \} 
\} 
 
package com.comName.dhm.common.license.vo; 
 
/\*\* 
 \* 系统信息实体(tag名：systemInfo) 
 \* 
 \*/ 
public class SystemInfo 
\{ 
 
    /\*\* 
     \* 系统名(tag名：name) 
     \*/ 
    private String name; 
 
    /\*\* 
     \* 系统名(tag名：version) 
     \*/ 
    private String version; 
 
    /\*\* 
     \* 系统名(tag名：serial) 
     \*/ 
    private String serial; 
 
    /\*\* 
     \* 系统名(tag名：ip) 
     \*/ 
    private String ip; 
 
    /\*\* 
     \* 系统名(tag名：mac) 
     \*/ 
    private String mac; 
 
    /\*\* 
     \* 系统名(tag名：expiration) 
     \*/ 
    private String expiration; 
 
    /\*\* 
     \* 系统名(tag名：controlLevel) 
     \*/ 
    private String controlLevel; 
 
    /\*\* 
     \* 取得name 
     \* 
     \* @return name的值 
     \*/ 
    public String getName() 
    \{ 
        return name; 
    \} 
 
    /\*\* 
     \* 设置name 
     \* 
     \* @param 设置的name 
     \*/ 
    public void setName(String name) 
    \{ 
        this.name = name; 
    \} 
 
    /\*\* 
     \* 取得version 
     \* 
     \* @return version的值 
     \*/ 
    public String getVersion() 
    \{ 
        return version; 
    \} 
 
    /\*\* 
     \* 设置version 
     \* 
     \* @param 设置的version 
     \*/ 
    public void setVersion(String version) 
    \{ 
        this.version = version; 
    \} 
 
    /\*\* 
     \* 取得serial 
     \* 
     \* @return serial的值 
     \*/ 
    public String getSerial() 
    \{ 
        return serial; 
    \} 
 
    /\*\* 
     \* 设置serial 
     \* 
     \* @param 设置的serial 
     \*/ 
    public void setSerial(String serial) 
    \{ 
        this.serial = serial; 
    \} 
 
    /\*\* 
     \* 取得ip 
     \* 
     \* @return ip的值 
     \*/ 
    public String getIp() 
    \{ 
        return ip; 
    \} 
 
    /\*\* 
     \* 设置ip 
     \* 
     \* @param 设置的ip 
     \*/ 
    public void setIp(String ip) 
    \{ 
        this.ip = ip; 
    \} 
 
    /\*\* 
     \* 取得mac 
     \* 
     \* @return mac的值 
     \*/ 
    public String getMac() 
    \{ 
        return mac; 
    \} 
 
    /\*\* 
     \* 设置mac 
     \* 
     \* @param 设置的mac 
     \*/ 
    public void setMac(String mac) 
    \{ 
        this.mac = mac; 
    \} 
 
    /\*\* 
     \* 取得expiration 
     \* 
     \* @return expiration的值 
     \*/ 
    public String getExpiration() 
    \{ 
        return expiration; 
    \} 
 
    /\*\* 
     \* 设置expiration 
     \* 
     \* @param 设置的expiration 
     \*/ 
    public void setExpiration(String expiration) 
    \{ 
        this.expiration = expiration; 
    \} 
 
    /\*\* 
     \* 取得controlLevel 
     \* 
     \* @return controlLevel的值 
     \*/ 
    public String getControlLevel() 
    \{ 
        return controlLevel; 
    \} 
 
    /\*\* 
     \* 设置controlLevel 
     \* 
     \* @param 设置的controlLevel 
     \*/ 
    public void setControlLevel(String controlLevel) 
    \{ 
        this.controlLevel = controlLevel; 
    \} 
\} 
 
 
LicenseInit 
package com.comName.dhm.common.license; 
 
import org.apache.log4j.Logger; 
import com.comName.dhm.common.init.SystemInitiator; 
 
/\*\* 
 \* @author 
 \* 
 \*/ 
public class LicenseInit 
\{ 
 
    /\*\* 
     \* 
     \*/ 
    public LicenseInit() 
    \{ 
    \} 
 
    /\*\* 
     \* 日志对象 
     \*/ 
    private Logger logger = Logger.getLogger(LicenseInit.class); 
 
    /\*\* 
     \* serialId 
     \*/ 
    private static final long serialVersionUID = -8345723002031989740L; 
 
    /\*\* 
     \* license文件 
     \*/ 
    private String licensePath = null; 
 
    /\*\* 
     \* 公钥文件 
     \*/ 
    private String publicKeyPath = null; 
 
    /\*\* 
     \* 过滤器初始化处理，取得配置参数的值 
     \* 
     \* @param config 
     \*            FilterConfig对象 
     \*/ 
    public void init(String licenseFileName, String publicKeyFileName) 
    \{ 
        // log开始 
        logger.debug("LicenseInitServlet加载开始。"); 
 
        // 获取文件分割符 
        String fs = System.getProperty("file.separator"); 
 
        // 从web.xml获取参数 
        String confPath = SystemInitiator.getSystemInfo().getConfPath(); 
 
        // License路径 
        this.licensePath = confPath + fs + licenseFileName; 
 
        // publicKey路径 
        this.publicKeyPath = confPath + fs + publicKeyFileName; 
 
        if (logger.isDebugEnabled()) 
        \{ 
            logger.debug("licensePath:" + licensePath + ";publicKeyPath：" + publicKeyPath); 
        \} 
        // 执行处理 
        LicenseUtil.initLicense(licensePath, publicKeyPath); 
    \} 
 
    public static void main(String\[\] args) 
    \{ 
        // 执行处理 
        LicenseUtil.initLicense("F:\\\\workspace\\\\SDP.SME.CD\\\\SDP.SME.CD\\\\aaa\\\\conf\\\\common\\\\license.xml", 
                "F:\\\\workspace\\\\SDP.SME.CD\\\\SDP.SME.CD\\\\aaa\\\\conf\\\\common\\\\publickey.txt"); 
    \} 
\} 
 
 
SystemInitiator 
package com.comName.dhm.common.init; 
 
import javax.servlet.ServletContext; 
 
/\*\* 
 \* @author 903939 
 \* 
 \*/ 
public class SystemInitiator 
\{ 
    static private SystemInfo systemInfo = null; 
 
    static public SystemInfo getSystemInfo() 
    \{ 
        return systemInfo; 
    \} 
 
    public static void setSystemInfo(SystemInfo systemInfo) 
    \{ 
 
        SystemInitiator.systemInfo = systemInfo; 
    \} 
 
    public static void initApp(ServletContext ctx) 
    \{ 
        // get file seperator 
        String FS = System.getProperty("file.separator"); 
 
        // get system name configed in web.xml 
        String systemName = ctx.getInitParameter("dhm-system-name"); 
 
        // get working dir 
        String work\_dir = System.getProperty("user.dir"); 
 
        // set conf path 
        String confPath = work\_dir + FS + systemName + FS + ctx.getInitParameter("system.config-path-name"); 
 
        // set log path 
        String logPath = work\_dir + FS + systemName + FS + ctx.getInitParameter("system.log-path-name"); 
 
        systemInfo = new SystemInfo(systemName, confPath, logPath); 
        System.out.println(systemInfo.toString()); 
    \} 
\} 
 
package com.comName.dhm.common.init; 
 
/\*\* 
 \* @author 
 \* 
 \*/ 
public class SystemInfo 
\{ 
    private String systemName = null; 
    private String confPath = null; 
    private String logPath = null; 
 
    public SystemInfo(String systemName, String confPath, String logPath) 
    \{ 
        this.systemName = systemName; 
        this.confPath = confPath; 
        this.logPath = logPath; 
    \} 
 
    public String getSystemName() 
    \{ 
        return systemName; 
    \} 
 
    public String getConfPath() 
    \{ 
        return confPath; 
    \} 
 
    public String getLogPath() 
    \{ 
        return logPath; 
    \} 
 
    public String toString() 
    \{ 
        return this.getClass().getName() + "\[systemName=" + this.getSystemName() + ";confPath=" + this.getConfPath() 
                + ";logPath=" + this.getLogPath() + "\]"; 
    \} 
\} 
 
 
package com.comName.dhm.common.license; 
 
import javax.servlet.ServletContext; 
import javax.servlet.ServletContextEvent; 
import javax.servlet.ServletContextListener; 
import javax.servlet.ServletException; 
 
import org.apache.log4j.Logger; 
 
import com.comName.dhm.common.init.SystemInitiator; 
 
/\*\* 
 \* <一句话功能简述> 
 \* <功能详细描述> 
 \* 
 \* @author  904008 
 \* @version  \[V200R001\] 
 \* @date 2010-9-26 
 \* @see  \[相关类/方法\] 
 \* @since  \[DHM.Core.IEPGM-V200R001\] 
 \*/ 
 
/\*\* 
 \* <一句话功能简述> 
 \* <功能详细描述> 
 \* 
 \* @author  904008 
 \* @version  \[V200R001, 2010-9-26\] 
 \* @see  \[相关类/方法\] 
 \* @since  \[DHM.Core.IEPGM-V200R001\] 
 \*/ 
public class LicenseInitListener implements ServletContextListener 
\{ 
    /\*\* 
     \* 日志对象 
     \*/ 
    private static Logger logger = Logger.getLogger(LicenseInitServlet.class); 
 
    /\*\* 
     \* serialId 
     \*/ 
    private static final long serialVersionUID = -8345723002031989740L; 
 
    /\*\* 
     \* license文件 
     \*/ 
    private String licensePath = null; 
 
    /\*\* 
     \* 公钥文件 
     \*/ 
    private String publicKeyPath = null; 
 
    /\*\* 
     \* 过滤器初始化处理，取得配置参数的值 
     \* 
     \* @param config 
     \*            FilterConfig对象 
     \* @throws ServletException 
     \*/ 
    public void contextDestroyed(ServletContextEvent sce) 
    \{ 
 
    \} 
 
    public void contextInitialized(ServletContextEvent sce) 
    \{ 
        // log开始 
        logger.debug("LicenseInitListener加载开始。"); 
        ServletContext ctx = sce.getServletContext(); 
 
        // 获取文件分割符 
        String fs = System.getProperty("file.separator"); 
 
        // 从web.xml获取参数 
        String confPath = SystemInitiator.getSystemInfo().getConfPath(); 
        String licenseFileName = ctx.getInitParameter("license.license-file"); 
        String publicKeyFileName = ctx.getInitParameter("license.public-key-file"); 
 
        // License路径 
        this.licensePath = confPath + fs + licenseFileName; 
 
        // publicKey路径 
        this.publicKeyPath = confPath + fs + publicKeyFileName; 
 
        logger.debug("licensePath:" + licensePath + ";publicKeyPath：" + publicKeyPath); 
        // 执行处理 
        LicenseUtil.initLicense(licensePath, publicKeyPath); 
 
    \} 
 
\} 
 
 
package com.comName.dhm.common.license; 
 
import javax.servlet.ServletContext; 
import javax.servlet.ServletContextEvent; 
import javax.servlet.ServletContextListener; 
import javax.servlet.ServletException; 
 
import org.apache.log4j.Logger; 
 
import com.comName.dhm.common.init.SystemInitiator; 
 
public class LicenseInitListener implements ServletContextListener 
\{ 
    /\*\* 
     \* 日志对象 
     \*/ 
    private static Logger logger = Logger.getLogger(LicenseInitServlet.class); 
 
    /\*\* 
     \* serialId 
     \*/ 
    private static final long serialVersionUID = -8345723002031989740L; 
 
    /\*\* 
     \* license文件 
     \*/ 
    private String licensePath = null; 
 
    /\*\* 
     \* 公钥文件 
     \*/ 
    private String publicKeyPath = null; 
 
    /\*\* 
     \* 过滤器初始化处理，取得配置参数的值 
     \* 
     \* @param config 
     \*            FilterConfig对象 
     \* @throws ServletException 
     \*/ 
    public void contextDestroyed(ServletContextEvent sce) 
    \{ 
 
    \} 
 
    public void contextInitialized(ServletContextEvent sce) 
    \{ 
        // log开始 
        logger.debug("LicenseInitListener加载开始。"); 
        ServletContext ctx = sce.getServletContext(); 
 
        // 获取文件分割符 
        String fs = System.getProperty("file.separator"); 
 
        // 从web.xml获取参数 
        String confPath = SystemInitiator.getSystemInfo().getConfPath(); 
        String licenseFileName = ctx.getInitParameter("license.license-file"); 
        String publicKeyFileName = ctx.getInitParameter("license.public-key-file"); 
 
        // License路径 
        this.licensePath = confPath + fs + licenseFileName; 
 
        // publicKey路径 
        this.publicKeyPath = confPath + fs + publicKeyFileName; 
 
        logger.debug("licensePath:" + licensePath + ";publicKeyPath：" + publicKeyPath); 
        // 执行处理 
        LicenseUtil.initLicense(licensePath, publicKeyPath); 
 
    \} 
\} 
 
package com.comName.dhm.common.license; 
 
import javax.servlet.ServletConfig; 
import javax.servlet.ServletException; 
import javax.servlet.http.HttpServlet; 
 
import org.apache.log4j.Logger; 
 
import com.comName.dhm.common.init.SystemInitiator; 
 
/\*\* 
 \* License加载Servlet 
 \*/ 
public class LicenseInitServlet extends HttpServlet 
\{ 
 
    /\*\* 
     \* 日志对象 
     \*/ 
    private static Logger logger = Logger.getLogger(LicenseInitServlet.class); 
 
    /\*\* 
     \* serialId 
     \*/ 
    private static final long serialVersionUID = -8345723002031989740L; 
 
    /\*\* 
     \* license文件 
     \*/ 
    private String licensePath = null; 
 
    /\*\* 
     \* 公钥文件 
     \*/ 
    private String publicKeyPath = null; 
 
    /\*\* 
     \* 过滤器初始化处理，取得配置参数的值 
     \* 
     \* @param config 
     \*            FilterConfig对象 
     \* @throws ServletException 
     \*/ 
    public void init(ServletConfig config) throws ServletException 
    \{ 
        // log开始 
        logger.debug("LicenseInitServlet加载开始。"); 
 
        // 获取文件分割符 
        String fs = System.getProperty("file.separator"); 
 
        // 从web.xml获取参数 
        String confPath = SystemInitiator.getSystemInfo().getConfPath(); 
        String licenseFileName = config.getInitParameter("license-file"); 
        String publicKeyFileName = config.getInitParameter("public-key-file"); 
 
        // License路径 
        this.licensePath = confPath + fs + licenseFileName; 
 
        // publicKey路径 
        this.publicKeyPath = confPath + fs + publicKeyFileName; 
 
        logger.debug("licensePath:" + licensePath + ";publicKeyPath：" + publicKeyPath); 
        // 执行处理 
        LicenseUtil.initLicense(licensePath, publicKeyPath); 
    \} 
\} 
 
package com.comName.dhm.common.license; 
 
import java.io.BufferedInputStream; 
import java.io.BufferedReader; 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.IOException; 
import java.io.InputStreamReader; 
import java.net.InetAddress; 
import java.net.UnknownHostException; 
import java.security.KeyFactory; 
import java.security.PublicKey; 
import java.security.Signature; 
import java.security.spec.X509EncodedKeySpec; 
import java.text.ParseException; 
import java.text.SimpleDateFormat; 
import java.util.ArrayList; 
import java.util.Calendar; 
import java.util.Date; 
import java.util.GregorianCalendar; 
import java.util.HashMap; 
import java.util.Iterator; 
import java.util.List; 
import java.util.Map; 
 
import org.apache.log4j.Logger; 
import org.jdom.Document; 
import org.jdom.Element; 
import org.jdom.JDOMException; 
import org.jdom.input.SAXBuilder; 
 
import com.comName.dhm.common.license.vo.License; 
import com.comName.dhm.common.license.vo.LicenseInfo; 
import com.comName.dhm.common.license.vo.SystemInfo; 
 
/\*\* 
 \* License操作公用类 
 \* 
 \*/ 
public class LicenseUtil 
\{ 
 
    /\*\* 
     \* 日志对象 
     \*/ 
    private static Logger logger = Logger.getLogger(LicenseUtil.class); 
 
    /\*\* 
     \* signature对象的名字 
     \*/ 
    public static final String SIGNATURE\_NAME = "signature"; 
 
    /\*\* 
     \* 将字节数组转化为十六进制 
     \* 
     \* @param theData 
     \*            字节数组 
     \* @return 十六进制数据 
     \*/ 
    public static String bytesToHexString(byte\[\] theData) 
    \{ 
 
        StringBuffer hexStrBuff = new StringBuffer(theData.length \* 2); 
 
        for (int i = 0; i < theData.length; i++) 
        \{ 
            String hexByteStr = Integer.toHexString(theData\[i\] & 0xff).toUpperCase(); 
            if (hexByteStr.length() == 1) 
            \{ 
                hexStrBuff.append("0"); 
            \} 
            hexStrBuff.append(hexByteStr); 
        \} 
        return hexStrBuff.toString(); 
    \} 
 
    /\*\* 
     \* 将十六进制转化为字节数组 
     \* 
     \* @param theHexString 
     \*            十六进制数据 
     \* @return 字节数组 
     \*/ 
    public static byte\[\] hexStringToBytes(String theHexString) 
    \{ 
        byte data\[\] = new byte\[theHexString.length() / 2\]; 
 
        for (int i = 0; i < data.length; i++) 
        \{ 
            String a = theHexString.substring(i \* 2, i \* 2 + 2); 
            data\[i\] = (byte) Integer.parseInt(a, 16); 
        \} 
        return data; 
    \} 
 
    /\*\* 
     \* 取得文件对象的Dom对象 
     \* 
     \* @return 文件对象的Dom对象 
     \*/ 
    public static Element getFileRootDocument(File xmlFile) 
    \{ 
        if (xmlFile == null || !xmlFile.exists()) 
        \{ 
            logger.error("取得文件对象的Dom对象时，文件不存在。"); 
            return null; 
        \} 
        try 
        \{ 
            SAXBuilder builder = new SAXBuilder(); 
            Document doc = builder.build(xmlFile); 
            return doc.getRootElement(); 
        \} 
        catch (JDOMException e) 
        \{ 
            logger.error("取得文件对象的Dom对象异常", e); 
        \} 
        catch (IOException e) 
        \{ 
            logger.error("取得文件对象的Dom对象异常", e); 
        \} 
        return null; 
    \} 
 
    /\*\* 
     \* 读取文件内容，保存为byte数组 
     \* 
     \* @param filePath 
     \*            文件路径 
     \* @return 文件内容数据 
     \* @throws IOException 
     \*/ 
    public static byte\[\] readFile(String filePath) throws IOException 
    \{ 
 
        // 文件名是否为空 
        if (filePath == null) 
        \{ 
            logger.error("文件名为空，不能读取数据。"); 
            return null; 
        \} 
 
        // 构建File对象 
        File file = new File(filePath); 
        if (file.exists() && file.isFile()) 
        \{ 
            long fileLength = file.length(); 
            if (fileLength > 0L) 
            \{ 
                BufferedInputStream fis = new BufferedInputStream(new FileInputStream(file)); 
 
                byte\[\] b = new byte\[(int) fileLength\]; 
                while (fis.read(b) != -1) 
                \{ 
                \} 
                fis.close(); 
                fis = null; 
 
                return b; 
            \} 
        \} 
        else 
        \{ 
            return null; 
        \} 
        return null; 
    \} 
 
    /\*\* 
     \* 读取文件的数据 
     \* 
     \* @param file 
     \*            数据文件 
     \* @return 文件的数据 
     \*/ 
    public static String readContentFromFile(File file) 
    \{ 
 
        if (file == null || !file.exists() || !file.isFile()) 
        \{ 
            logger.debug("读取文件的数据时，文件不存在。"); 
            return null; 
        \} 
 
        StringBuffer tmpStr = new StringBuffer(); 
        InputStreamReader isr = null; 
        try 
        \{ 
            isr = new InputStreamReader(new FileInputStream(file)); 
 
            char\[\] bf = new char\[1024\]; 
            int i = -1; 
            while ((i = isr.read(bf)) != -1) 
            \{ 
                tmpStr.append(bf, 0, i); 
            \} 
            isr.close(); 
            return tmpStr.toString(); 
 
        \} 
        catch (IOException e) 
        \{ 
            e.printStackTrace(); 
            if (isr != null) 
            \{ 
                try 
                \{ 
                    isr.close(); 
                \} 
                catch (IOException e1) 
                \{ 
                    e1.printStackTrace(); 
                \} 
            \} 
        \} 
        return null; 
    \} 
 
    /\*\* 
     \* 取得指定的element 
     \* 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @param name 
     \*            节点名字 
     \* @return 指定的element 
     \*/ 
    public static Element getElementByName(Element rootElement, String name) 
    \{ 
 
        List<Element> target = getElementsByName(rootElement, name); 
 
        if (target != null && target.size() > 0) 
        \{ 
            return target.get(0); 
        \} 
        return null; 
 
    \} 
 
    /\*\* 
     \* 取得指定的element一览 
     \* 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @param name 
     \*            节点名字 
     \* @return 指定的element一览 
     \*/ 
    public static List<Element> getElementsByName(Element rootElement, String name) 
    \{ 
 
        if (name == null) 
        \{ 
            // 节点名字不能为空 
            logger.error("取得指定的element一览时，节点名字为空。"); 
            return null; 
        \} 
        if (rootElement == null) 
        \{ 
            // license内容对象不能为空 
            logger.error("取得指定的element一览时，license内容对象为空。"); 
            return null; 
        \} 
 
        List<Element> target = new ArrayList<Element>(); 
        searchElementByName(target, rootElement, name); 
 
        return target; 
 
    \} 
 
    /\*\* 
     \* 递归取得指定的element一览 
     \* 
     \* @param target 
     \*            element一览 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @param name 
     \*            节点名字 
     \* @return 指定的element一览 
     \*/ 
    private static List<Element> searchElementByName(List<Element> target, Element element, String name) 
    \{ 
 
        List<?> eleList = element.getChildren(); 
        if (name.equalsIgnoreCase(element.getName())) 
        \{ 
            target.add(element); 
        \} 
        if (eleList.size() == 0) 
        \{ 
            return target; 
        \} 
        else 
        \{ 
            for (Iterator<?> iterator = eleList.iterator(); iterator.hasNext();) 
            \{ 
                Element element2 = (Element) iterator.next(); 
                searchElementByName(target, element2, name); 
            \} 
        \} 
        return target; 
    \} 
 
    /\*\* 
     \* 取得签名信息 
     \* 
     \* @param rootElement 
     \*            license的Element对象 
     \* @return 签名信息 
     \*/ 
    public static String getSignatureSource(Element rootElement) 
    \{ 
 
        if (rootElement == null) 
        \{ 
            // TODO:error 没有要签名的对象 
            logger.error("取得签名信息时，没有要签名的对象。"); 
            return null; 
        \} 
        // 要签名的信息 
        StringBuffer sb = new StringBuffer(); 
        fetchElementLeafValue(rootElement, sb); 
        return sb.toString(); 
    \} 
 
    /\*\* 
     \* 递归取得license文件的内容 
     \* 
     \* @param element 
     \*            当前Element对象 
     \* @param sb 
     \*            buffer 
     \* @return 签名信息 
     \*/ 
    private static void fetchElementLeafValue(Element element, StringBuffer sb) 
    \{ 
 
        if (element == null) 
        \{ 
            return; 
        \} 
        List<?> list = element.getChildren(); 
        // signature对象不作为签名对象 
        if (list.size() == 0 && !SIGNATURE\_NAME.equalsIgnoreCase(element.getName())) 
        \{ 
            sb.append("&").append(element.getText()); 
        \} 
        // 递归调用 
        for (Iterator<?> iterator = list.iterator(); iterator.hasNext();) 
        \{ 
            Element ele = (Element) iterator.next(); 
            fetchElementLeafValue(ele, sb); 
        \} 
 
    \} 
 
    /\*\* 
     \* 取得License对象 
     \* 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @return License对象 
     \*/ 
    public static License getLicenseByXML(Element rootElement) 
    \{ 
 
        License license = new License(); 
        // SystemInfo 
        SystemInfo sysInfo = new SystemInfo(); 
        sysInfo.setName(getElementValueByName(rootElement, "name")); 
        sysInfo.setVersion(getElementValueByName(rootElement, "version")); 
        sysInfo.setSerial(getElementValueByName(rootElement, "serial")); 
        sysInfo.setIp(getElementValueByName(rootElement, "ip")); 
        sysInfo.setMac(getElementValueByName(rootElement, "mac")); 
        sysInfo.setExpiration(getElementValueByName(rootElement, "expiration")); 
        sysInfo.setControlLevel(getElementValueByName(rootElement, "controlLevel")); 
        license.setSystemInfo(sysInfo); 
 
        // ControlItems 
        List<Element> ciElementList = getElementsByName(rootElement, "controlItem"); 
        Map<String, String> ciMap = new HashMap<String, String>(); 
        for (Iterator<Element> iterator = ciElementList.iterator(); iterator.hasNext();) 
        \{ 
            Element element = (Element) iterator.next(); 
            ciMap.put(element.getChildText("name"), element.getChildText("value")); 
        \} 
        license.setControlItems(ciMap); 
 
        // signature 
        license.setSignature(getElementValueByName(rootElement, "signature")); 
 
        return license; 
    \} 
 
    /\*\* 
     \* 取得指定的element的值 
     \* 
     \* @param rootElement 
     \*            RootDocument对象 
     \* @param name 
     \*            节点名字 
     \* @return 指定的element的值 
     \*/ 
    private static String getElementValueByName(Element rootElement, String name) 
    \{ 
        Element element = getElementByName(rootElement, name); 
        if (element == null) 
        \{ 
            return null; 
        \} 
        return element.getText(); 
    \} 
 
    /\*\* 
     \* 
     \* 方法 getLocalIp 
     \* 
     \* 获取本机ip地址 
     \* 
     \* @return 
     \*/ 
    public static String getLocalIp() 
    \{ 
        String localIp = null; 
        try 
        \{ 
            localIp = InetAddress.getLocalHost().getHostAddress(); 
        \} 
        catch (UnknownHostException e) 
        \{ 
            // TODO:获取服务器IP地址失败! 
            logger.error("获取服务器IP地址失败。", e); 
        \} 
        return localIp; 
    \} 
 
    /\*\* 
     \* 
     \* 方法 getLocalMac 
     \* 
     \* 获取本机MAC地址 
     \* 
     \* @return 
     \*/ 
    public static String getLocalMac() 
    \{ 
        String os = getOSName(); 
        String mac = null; 
        try 
        \{ 
            // System.out.println(os); 
            if (os.startsWith("windows")) 
            \{ 
                // 本地是windows 
                mac = getWindowsMACAddress(); 
                // System.out.println(mac); 
            \} 
            else 
            \{ 
                // 本地是非windows系统 一般就是unix 
                mac = getUnixMACAddress(); 
                // System.out.println(mac); 
            \} 
        \} 
        catch (Exception e) 
        \{ 
            // TODO:获取服务器MAC地址失败! 
            logger.error("获取服务器MAC地址失败。", e); 
        \} 
        return mac; 
    \} 
 
    /\*\* 
     \* 获取当前操作系统名称. return 操作系统名称 例如:windows xp,linux 等. 
     \*/ 
    private static String getOSName() 
    \{ 
        return System.getProperty("os.name").toLowerCase(); 
    \} 
 
    /\*\* 
     \* 获取unix网卡的mac地址. 非windows的系统默认调用本方法获取.如果有特殊系统请继续扩充新的取mac地址方法. 
     \* 
     \* @return mac地址 
     \*/ 
    private static String getUnixMACAddress() 
    \{ 
        String mac = null; 
        BufferedReader bufferedReader = null; 
        Process process = null; 
        try 
        \{ 
            process = Runtime.getRuntime().exec("ifconfig eth0");// linux下的命令，一般取eth0作为本地主网卡 
            // 显示信息中包含有mac地址信息 
            bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream())); 
            String line = null; 
            int index = -1; 
            while ((line = bufferedReader.readLine()) != null) 
            \{ 
                index = line.toLowerCase().indexOf("hwaddr");// 寻找标示字符串\[hwaddr\] 
                if (index >= 0) 
                \{// 找到了 
                    mac = line.substring(index + "hwaddr".length() + 1).trim();// 取出mac地址并去除2边空格 
                    break; 
                \} 
            \} 
        \} 
        catch (IOException e) 
        \{ 
            logger.error("获取服务器MAC地址失败时，发生IO异常。", e); 
        \} 
        finally 
        \{ 
            try 
            \{ 
                if (bufferedReader != null) 
                \{ 
                    bufferedReader.close(); 
                \} 
            \} 
            catch (IOException e1) 
            \{ 
                logger.error("获取服务器MAC地址失败时，发生IO异常。", e1); 
            \} 
            bufferedReader = null; 
            process = null; 
        \} 
 
        return mac; 
    \} 
 
    /\*\* 
     \* 获取widnows网卡的mac地址. 
     \* 
     \* @return mac地址 
     \*/ 
    private static String getWindowsMACAddress() 
    \{ 
        String mac = null; 
        BufferedReader bufferedReader = null; 
        Process process = null; 
        try 
        \{ 
            process = Runtime.getRuntime().exec("ipconfig /all");// windows下的命令，显示信息中包含有mac地址信息 
            bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream())); 
            String line = null; 
            int index = -1; 
            while ((line = bufferedReader.readLine()) != null) 
            \{ 
                index = line.toLowerCase().indexOf("physical address");// 寻找标示字符串\[physical 
                // address\] 
                if (index >= 0) 
                \{// 找到了 
                    index = line.indexOf(":");// 寻找":"的位置 
                    if (index >= 0) 
                    \{ 
                        mac = line.substring(index + 1).trim();// 取出mac地址并去除2边空格 
                    \} 
                    break; 
                \} 
            \} 
        \} 
        catch (IOException e) 
        \{ 
            logger.error("获取服务器MAC地址失败时，发生IO异常。", e); 
        \} 
        finally 
        \{ 
            try 
            \{ 
                if (bufferedReader != null) 
                \{ 
                    bufferedReader.close(); 
                \} 
            \} 
            catch (IOException e1) 
            \{ 
                logger.error("获取服务器MAC地址失败时，发生IO异常。", e1); 
            \} 
            bufferedReader = null; 
            process = null; 
        \} 
        return mac; 
    \} 
 
    public static void initLicense(String licensePath, String publicKeyPath) 
    \{ 
        try 
        \{ 
            // license文件不存在 
            File lisenceFile = new File(licensePath); 
            if (!lisenceFile.exists() || !lisenceFile.isFile()) 
            \{ 
                logger.error("License验证加载错误，系统退出。原因：License文件不存在。"); 
                System.exit(1); 
                return; 
            \} 
            // license文件不存在 
            File publicKeyFile = new File(publicKeyPath); 
            if (!publicKeyFile.exists() || !publicKeyFile.isFile()) 
            \{ 
                logger.error("License验证加载错误，系统退出。原因：公钥文件不存在。"); 
                System.exit(1); 
                return; 
            \} 
 
            // 取得License 文件的rootElement 
            Element rootElement = LicenseUtil.getFileRootDocument(lisenceFile); 
 
            // 要签名的信息 
            String myinfo = LicenseUtil.getSignatureSource(rootElement); 
 
            // Signature取得 
            Element signEle = LicenseUtil.getElementByName(rootElement, LicenseUtil.SIGNATURE\_NAME); 
            if (signEle == null) 
            \{ 
                logger.error("License验证加载错误，系统退出。原因：签名信息不存在。"); 
                System.exit(1); 
                return; 
            \} 
            String signStr = signEle.getText(); 
 
            // license校验 
            // 这是GenerateKeyPair输出的公钥编码 
            byte\[\] publicKey = LicenseUtil.readFile(publicKeyPath); 
 
            if (publicKey == null || publicKey.length == 0) 
            \{ 
                logger.error("License验证加载错误，系统退出。原因：公钥取得失败。"); 
                System.exit(1); 
                return; 
            \} 
 
            // 公钥验证签名 
            X509EncodedKeySpec bobPubKeySpec = new X509EncodedKeySpec(publicKey); 
            KeyFactory keyFactory = KeyFactory.getInstance("RSA"); 
            PublicKey pubKey = keyFactory.generatePublic(bobPubKeySpec); 
            byte\[\] signed = LicenseUtil.hexStringToBytes(signStr);// 这是SignatureData输出的数字签名 
            Signature signetcheck = Signature.getInstance("MD5withRSA"); 
            signetcheck.initVerify(pubKey); 
            signetcheck.update(myinfo.getBytes()); 
            License license = null; 
            if (signetcheck.verify(signed)) 
            \{ 
                // 将License对象放入内存 
                logger.info("签名正常。"); 
            \} 
            else 
            \{ 
                logger.error("License验证加载错误，系统退出。原因：签名验证失败。"); 
                System.exit(1); 
                return; 
            \} 
            license = LicenseUtil.getLicenseByXML(rootElement); 
            if (license == null) 
            \{ 
                logger.error("License验证加载错误，系统退出。原因：License对象取得失败。"); 
                System.exit(1); 
                return; 
            \} 
            SystemInfo sysinfo = license.getSystemInfo(); 
            // ip 检验 
            String ip = sysinfo.getIp(); 
            String serverIp = LicenseUtil.getLocalIp(); 
            logger.debug("License Ip:" + ip + ";Server IP:" + serverIp); 
            if (!"any".equals(ip) && !serverIp.equals(ip)) 
            \{ 
                // IP地址已经修改 
                logger.error("License验证加载错误，系统退出。IP地址已经修改。"); 
                System.exit(1); 
                return; 
            \} 
 
            // mac 检验 
            String mac = sysinfo.getMac(); 
            String serverMac = LicenseUtil.getLocalMac(); 
            logger.debug("License Mac:" + mac + ";Server Mac:" + serverMac); 
            if (!"any".equals(mac) && !serverMac.equalsIgnoreCase(mac)) 
            \{ 
                // Mac地址已经修改 
                logger.error("License验证加载错误，系统退出。Mac地址已经修改。"); 
                System.exit(1); 
                return; 
            \} 
 
            // 系统超时 检验 
            logger.debug("License Expiration:" + sysinfo.getExpiration()); 
            if (!"never".equalsIgnoreCase(sysinfo.getExpiration())) 
            \{ 
 
                Calendar cpCalendar = new GregorianCalendar(); 
                // 日期格式：2009-1-1 12:00:00 
                SimpleDateFormat parseTime = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); 
                Date expireDate; 
                try 
                \{ 
                    expireDate = parseTime.parse(sysinfo.getExpiration()); 
                \} 
                catch (ParseException e) 
                \{ 
                    // 日期格式化失败 
                    logger.error("License验证加载错误，超时日期格式化失败。"); 
                    System.exit(1); 
                    return; 
                \} 
                cpCalendar.setTime(expireDate); 
                // 得到系统当前日期 
                Calendar nowCalendar = Calendar.getInstance(); 
                if (nowCalendar.getTimeInMillis() > cpCalendar.getTimeInMillis()) 
                \{ 
                    // 已经过期 
                    logger.error("License验证加载错误，系统退出。license已经失效。"); 
                    System.exit(1); 
                    return; 
                \} 
            \} 
            LicenseInfo.setLicense(license); 
 
        \} 
        catch (Exception e) 
        \{ 
            logger.error("License验证加载时，发生异常，系统退出。异常信息：", e); 
            System.exit(1); 
            return; 
        \} 
    \} 
\}