dom4j解析xml

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package com.bk.readXml;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.Element;import org.dom4j.io.SAXReader;import com.spg.bean.DocFile;import com.spg.bean.DocFiles;public class GetXml2DocFile {public static DocFiles getDocFiles(DocFiles docFiles) throws Exception{SAXReader read = new SAXReader();Document document = null;DocFile docFile = null;try {document = read.read(ClassLoader.getSystemResourceAsStream("documents.xml"));Element root = document.getRootElement();//unitsList<Element> unit = root.elements();//遍历unitfor(Element e4unit : unit){// 取属性封装if(null != e4unit.attributeValue("type")){docFiles.setType(e4unit.attributeValue("type"));}else{throw new Exception("the type is null");}if(null != e4unit.attributeValue("reference")){docFiles.setIsReference(e4unit.attributeValue("reference"));}else{docFiles.setIsReference("N");}List<Element> attrList = e4unit.elements();String[] attrName = null;List<String> attrValue = new ArrayList<String>();Map<String[], String> docFilesSingleMap = new HashMap<String[], String>();Map<String[], String[]> docFilesRepeatMap = new HashMap<String[], String[]>();Map<String[], String> docFileSingleMap = null;Map<String[], String[]> docFileRepeatMap = null;List<DocFile> docFileList = new ArrayList<DocFile>();//unit下所有子元素for(Element e4attr : attrList){//非多值属性if(null == e4attr.attributeValue("isRepeating") || !e4attr.attributeValue("isRepeating").equalsIgnoreCase("Y")){attrName = new String[2];attrName[0] = e4attr.getName();if(e4attr.attributeValue("type") != null){attrName[1] = e4attr.attributeValue("type");}else{attrName[1] = "String";}docFilesSingleMap.put(attrName, e4attr.getTextTrim());//docFiles.setSingleAttrs(singleMap);}else{//多值属性情况attrName = new String[2];attrName[0] = e4attr.getName();if(e4attr.attributeValue("type") != null){attrName[1] = e4attr.attributeValue("type");}else{attrName[1] = "String";}List<Element> values = e4attr.elements();StringBuilder sb = new StringBuilder();for(Element value : values){sb.append(value.getTextTrim()+";");}attrValue = null;docFilesRepeatMap.put(attrName, sb.toString().split(";"));//docFiles.setRepeatAttrs(docFilesRepeatMap);}//封装docFileif(e4attr.getName().equals("documents")){List<Element> documents = e4attr.elements();docFileSingleMap = new HashMap<String[], String>();docFileRepeatMap = new HashMap<String[], String[]>();for(Element e4document : documents){docFile = new DocFile();//设置属性if(e4document.attributeValue("name") != null){docFile.setName(e4document.attributeValue("name"));}if(e4document.attributeValue("type") != null){docFile.setType(e4document.attributeValue("type"));}//非多值属性if(null == e4attr.attributeValue("isRepeating") || !e4document.attributeValue("isRepeating").equalsIgnoreCase("Y")){attrName = new String[2];attrName[0] = e4document.getName();if(e4document.attributeValue("type") != null){attrName[1] = e4document.attributeValue("type");}else{attrName[1] = "String";}docFileSingleMap.put(attrName, e4document.getTextTrim());//docFile.setSingleAttrs(docFileSingleMap);}else{//多值属性情况attrName = new String[2];attrName[0] = e4document.getName();if(e4document.attributeValue("type") != null){attrName[1] = e4document.attributeValue("type");}else{attrName[1] = "String";}List<Element> values = e4document.elements();StringBuilder sb = new StringBuilder();for(Element value : values){sb.append(value.getTextTrim()+";");}attrValue = null;docFileRepeatMap.put(attrName, sb.toString().split(";"));//docFile.setRepeatAttrs(docFileRepeatMap);}docFileList.add(docFile);docFiles.setDocFile(docFileList);}docFile.setSingleAttrs(docFileSingleMap);docFile.setRepeatAttrs(docFileRepeatMap);}}docFiles.setSingleAttrs(docFilesSingleMap);docFiles.setRepeatAttrs(docFilesRepeatMap);}} catch (DocumentException e) {// TODO Auto-generated catch blocke.printStackTrace();} return docFiles;}}
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