Spring之ClassPathXmlApplicationContext

╰+哭是因爲堅強的太久メ 2022-03-21 06:20 192阅读 0赞

## Spring 官方文档 ##

*  [Spring Framework Documentation【Version 5.1.4.RELEASE】][Spring Framework Documentation_Version 5.1.4.RELEASE]
 *  [ClassPathXmlApplicationContext API Doc][]

## 源码 ##

package org.springframework.context.support;
    
    import org.springframework.beans.BeansException;
    import org.springframework.context.ApplicationContext;
    import org.springframework.core.io.ClassPathResource;
    import org.springframework.core.io.Resource;
    import org.springframework.util.Assert;
    
    public class ClassPathXmlApplicationContext extends AbstractXmlApplicationContext { 
    
    	private Resource[] configResources;
    	public ClassPathXmlApplicationContext() { 
    	}
    	public ClassPathXmlApplicationContext(ApplicationContext parent) { 
    		super(parent);
    	}
    	public ClassPathXmlApplicationContext(String configLocation) throws BeansException { 
    		this(new String[] { configLocation}, true, null);
    	}
    	// JDK5可变参数（Varargs）
    	public ClassPathXmlApplicationContext(String... configLocations) throws BeansException { 
    		this(configLocations, true, null);
    	}
    	public ClassPathXmlApplicationContext(String[] configLocations, ApplicationContext parent) throws BeansException { 
    		this(configLocations, true, parent);
    	}
    	public ClassPathXmlApplicationContext(String[] configLocations, boolean refresh) throws BeansException { 
    		this(configLocations, refresh, null);
    	}
    	public ClassPathXmlApplicationContext(String[] configLocations, boolean refresh, ApplicationContext parent)
    			throws BeansException { 
    
    		super(parent);
    		// 传入String数组configLocations
    		setConfigLocations(configLocations);
    		if (refresh) { 
    			refresh();
    		}
    	}
    	public ClassPathXmlApplicationContext(String path, Class<?> clazz) throws BeansException { 
    		this(new String[] { path}, clazz);
    	}
    	public ClassPathXmlApplicationContext(String[] paths, Class<?> clazz) throws BeansException { 
    		this(paths, clazz, null);
    	}
    	public ClassPathXmlApplicationContext(String[] paths, Class<?> clazz, ApplicationContext parent)
    			throws BeansException { 
    
    		super(parent);
    		Assert.notNull(paths, "Path array must not be null");
    		Assert.notNull(clazz, "Class argument must not be null");
    		this.configResources = new Resource[paths.length];
    		for (int i = 0; i < paths.length; i++) { 
    			this.configResources[i] = new ClassPathResource(paths[i], clazz);
    		}
    		refresh();
    	}
    
    
    	@Override
    	protected Resource[] getConfigResources() { 
    		return this.configResources;
    	}
    
    }

[Spring Framework Documentation_Version 5.1.4.RELEASE]: https://docs.spring.io/spring/docs/5.1.4.RELEASE/spring-framework-reference
[ClassPathXmlApplicationContext API Doc]: https://docs.spring.io/spring-framework/docs/5.1.4.RELEASE/javadoc-api/org/springframework/context/support/ClassPathXmlApplicationContext.html