java解析xml禁止校验dtd

import com.sun.org.apache.xerces.internal.impl.Constants;
 
Constants类在%JAVA_HOME%/jre/lib/rt.jar包中
 
try{
			File file = new File(absoluteDbConfigFile);
			Reader reader = new InputStreamReader(new FileInputStream(file),"utf-8");
			SAXReader sax = new SAXReader();
			sax.setFeature(Constants.XERCES_FEATURE_PREFIX + Constants.LOAD_EXTERNAL_DTD_FEATURE, false);  //设置不需要校验头文件
			document = sax.read(reader);
			root = document.getRootElement().element("session-factory");
			buildCache();
		}catch(FileNotFoundException e){
			//e.printStackTrace();
		}catch(Exception e){
			//e.printStackTrace();
		}