Spring之FileSystemXmlApplicationContext

淩亂°似流年 2022-03-21 06:29 196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]
 *  [FileSystemXmlApplicationContext API Doc][]

## 源码 ##

package org.springframework.context.support;
    
    import org.springframework.beans.BeansException;
    import org.springframework.context.ApplicationContext;
    import org.springframework.core.io.FileSystemResource;
    import org.springframework.core.io.Resource;
    
    public class FileSystemXmlApplicationContext extends AbstractXmlApplicationContext { 
    
    	public FileSystemXmlApplicationContext() { 
    	}
    	public FileSystemXmlApplicationContext(ApplicationContext parent) { 
    		super(parent);
    	}
    	public FileSystemXmlApplicationContext(String configLocation) throws BeansException { 
    		this(new String[] { configLocation}, true, null);
    	}
    	// JDK5可变参数（Varargs）
    	public FileSystemXmlApplicationContext(String... configLocations) throws BeansException { 
    		this(configLocations, true, null);
    	}
    	public FileSystemXmlApplicationContext(String[] configLocations, ApplicationContext parent) throws BeansException { 
    		this(configLocations, true, parent);
    	}
    	public FileSystemXmlApplicationContext(String[] configLocations, boolean refresh) throws BeansException { 
    		this(configLocations, refresh, null);
    	}
    	public FileSystemXmlApplicationContext(String[] configLocations, boolean refresh, ApplicationContext parent)
    			throws BeansException { 
    
    		super(parent);
    		setConfigLocations(configLocations);
    		if (refresh) { 
    			refresh();
    		}
    	}
    	@Override
    	protected Resource getResourceByPath(String path) { 
    		if (path != null && path.startsWith("/")) { 
    		    // 去除字符串的第一个字符'/'
    			path = path.substring(1);
    		}
    		return new FileSystemResource(path);
    	}
    
    }

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