ava xml轉map map轉xml 帶屬性

參考效果：xml轉json

java xml轉json json轉xml
http://happyqing.iteye.com/blog/2316142

java xml轉map

Java代碼

package xml2map;
import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import net.sf.json.JSON;
import net.sf.json.JSONObject;
import org.apache.commons.io.FileUtils;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;
/**
* xml轉map，map轉xml 帶屬性
* http://happyqing.iteye.com/blog/2316275
* @author happyqing
* @since 2016.8.8
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public class XmlUtil {
public static void main(String[] args) throws DocumentException, IOException {
String textFromFile = FileUtils.readFileToString(new File("D:/workspace/workspace_3.7/xml2map/src/xml2json/sample.xml"),"UTF-8");
Map<String, Object> map = xml2map(textFromFile, false);
// long begin = System.currentTimeMillis();
// for(int i=0; i<1000; i++){
// map = (Map<String, Object>) xml2mapWithAttr(doc.getRootElement());
// }
// System.out.println("耗時:"+(System.currentTimeMillis()-begin));
JSON json = JSONObject.fromObject(map);
System.out.println(json.toString(1)); // 格式化輸出
Document doc = map2xml(map, "root");
//Document doc = map2xml(map); //map中含有根節點的鍵
System.out.println(formatXml(doc));
}
/**
* xml轉map 不帶屬性
* @param xmlStr
* @param needRootKey 是否需要在返回的map里加根節點鍵
* @return
* @throws DocumentException
*/
public static Map xml2map(String xmlStr, boolean needRootKey) throws DocumentException {
Document doc = DocumentHelper.parseText(xmlStr);
Element root = doc.getRootElement();
Map<String, Object> map = (Map<String, Object>) xml2map(root);
if(root.elements().size()==0 && root.attributes().size()==0){
return map;
}
if(needRootKey){
//在返回的map里加根節點鍵（如果需要）
Map<String, Object> rootMap = new HashMap<String, Object>();
rootMap.put(root.getName(), map);
return rootMap;
}
return map;
}
/**
* xml轉map 帶屬性
* @param xmlStr
* @param needRootKey 是否需要在返回的map里加根節點鍵
* @return
* @throws DocumentException
*/
public static Map xml2mapWithAttr(String xmlStr, boolean needRootKey) throws DocumentException {
Document doc = DocumentHelper.parseText(xmlStr);
Element root = doc.getRootElement();
Map<String, Object> map = (Map<String, Object>) xml2mapWithAttr(root);
if(root.elements().size()==0 && root.attributes().size()==0){
return map; //根節點只有一個文本內容
}
if(needRootKey){
//在返回的map里加根節點鍵（如果需要）
Map<String, Object> rootMap = new HashMap<String, Object>();
rootMap.put(root.getName(), map);
return rootMap;
}
return map;
}
/**
* xml轉map 不帶屬性
* @param e
* @return
*/
private static Map xml2map(Element e) {
Map map = new LinkedHashMap();
List list = e.elements();
if (list.size() > 0) {
for (int i = 0; i < list.size(); i++) {
Element iter = (Element) list.get(i);
List mapList = new ArrayList();
if (iter.elements().size() > 0) {
Map m = xml2map(iter);
if (map.get(iter.getName()) != null) {
Object obj = map.get(iter.getName());
if (!(obj instanceof List)) {
mapList = new ArrayList();
mapList.add(obj);
mapList.add(m);
}
if (obj instanceof List) {
mapList = (List) obj;
mapList.add(m);
}
map.put(iter.getName(), mapList);
} else
map.put(iter.getName(), m);
} else {
if (map.get(iter.getName()) != null) {
Object obj = map.get(iter.getName());
if (!(obj instanceof List)) {
mapList = new ArrayList();
mapList.add(obj);
mapList.add(iter.getText());
}
if (obj instanceof List) {
mapList = (List) obj;
mapList.add(iter.getText());
}
map.put(iter.getName(), mapList);
} else
map.put(iter.getName(), iter.getText());
}
}
} else
map.put(e.getName(), e.getText());
return map;
}
/**
* xml轉map 帶屬性
* @param e
* @return
*/
private static Map xml2mapWithAttr(Element element) {
Map<String, Object> map = new LinkedHashMap<String, Object>();
List<Element> list = element.elements();
List<Attribute> listAttr0 = element.attributes(); // 當前節點的所有屬性的list
for (Attribute attr : listAttr0) {
map.put("@" + attr.getName(), attr.getValue());
}
if (list.size() > 0) {
for (int i = 0; i < list.size(); i++) {
Element iter = list.get(i);
List mapList = new ArrayList();
if (iter.elements().size() > 0) {
Map m = xml2mapWithAttr(iter);
if (map.get(iter.getName()) != null) {
Object obj = map.get(iter.getName());
if (!(obj instanceof List)) {
mapList = new ArrayList();
mapList.add(obj);
mapList.add(m);
}
if (obj instanceof List) {
mapList = (List) obj;
mapList.add(m);
}
map.put(iter.getName(), mapList);
} else
map.put(iter.getName(), m);
} else {
List<Attribute> listAttr = iter.attributes(); // 當前節點的所有屬性的list
Map<String, Object> attrMap = null;
boolean hasAttributes = false;
if (listAttr.size() > 0) {
hasAttributes = true;
attrMap = new LinkedHashMap<String, Object>();
for (Attribute attr : listAttr) {
attrMap.put("@" + attr.getName(), attr.getValue());
}
}
if (map.get(iter.getName()) != null) {
Object obj = map.get(iter.getName());
if (!(obj instanceof List)) {
mapList = new ArrayList();
mapList.add(obj);
// mapList.add(iter.getText());
if (hasAttributes) {
attrMap.put("#text", iter.getText());
mapList.add(attrMap);
} else {
mapList.add(iter.getText());
}
}
if (obj instanceof List) {
mapList = (List) obj;
// mapList.add(iter.getText());
if (hasAttributes) {
attrMap.put("#text", iter.getText());
mapList.add(attrMap);
} else {
mapList.add(iter.getText());
}
}
map.put(iter.getName(), mapList);
} else {
// map.put(iter.getName(), iter.getText());
if (hasAttributes) {
attrMap.put("#text", iter.getText());
map.put(iter.getName(), attrMap);
} else {
map.put(iter.getName(), iter.getText());
}
}
}
}
} else {
// 根節點的
if (listAttr0.size() > 0) {
map.put("#text", element.getText());
} else {
map.put(element.getName(), element.getText());
}
}
return map;
}
/**
* map轉xml map中沒有根節點的鍵
* @param map
* @param rootName
* @throws DocumentException
* @throws IOException
*/
public static Document map2xml(Map<String, Object> map, String rootName) throws DocumentException, IOException {
Document doc = DocumentHelper.createDocument();
Element root = DocumentHelper.createElement(rootName);
doc.add(root);
map2xml(map, root);
//System.out.println(doc.asXML());
//System.out.println(formatXml(doc));
return doc;
}
/**
* map轉xml map中含有根節點的鍵
* @param map
* @throws DocumentException
* @throws IOException
*/
public static Document map2xml(Map<String, Object> map) throws DocumentException, IOException {
Iterator<Map.Entry<String, Object>> entries = map.entrySet().iterator();
if(entries.hasNext()){ //獲取第一個鍵創建根節點
Map.Entry<String, Object> entry = entries.next();
Document doc = DocumentHelper.createDocument();
Element root = DocumentHelper.createElement(entry.getKey());
doc.add(root);
map2xml((Map)entry.getValue(), root);
//System.out.println(doc.asXML());
//System.out.println(formatXml(doc));
return doc;
}
return null;
}
/**
* map轉xml
* @param map
* @param body xml元素
* @return
*/
private static Element map2xml(Map<String, Object> map, Element body) {
Iterator<Map.Entry<String, Object>> entries = map.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry<String, Object> entry = entries.next();
String key = entry.getKey();
Object value = entry.getValue();
if(key.startsWith("@")){ //屬性
body.addAttribute(key.substring(1, key.length()), value.toString());
} else if(key.equals("#text")){ //有屬性時的文本
body.setText(value.toString());
} else {
if(value instanceof java.util.List ){
List list = (List)value;
Object obj;
for(int i=0; i<list.size(); i++){
obj = list.get(i);
//list裏是map或String，不會存在list裏直接是list的，
if(obj instanceof java.util.Map){
Element subElement = body.addElement(key);
map2xml((Map)list.get(i), subElement);
} else {
body.addElement(key).setText((String)list.get(i));
}
}
} else if(value instanceof java.util.Map ){
Element subElement = body.addElement(key);
map2xml((Map)value, subElement);
} else {
body.addElement(key).setText(value.toString());
}
}
//System.out.println("Key = " + entry.getKey() + ", Value = " + entry.getValue());
}
return body;
}
/**
* 格式化輸出xml
* @param xmlStr
* @return
* @throws DocumentException
* @throws IOException
*/
public static String formatXml(String xmlStr) throws DocumentException, IOException {
Document document = DocumentHelper.parseText(xmlStr);
return formatXml(document);
}
/**
* 格式化輸出xml
* @param document
* @return
* @throws DocumentException
* @throws IOException
*/
public static String formatXml(Document document) throws DocumentException, IOException {
// 格式化輸出格式
OutputFormat format = OutputFormat.createPrettyPrint();
//format.setEncoding("UTF-8");
StringWriter writer = new StringWriter();
// 格式化輸出流
XMLWriter xmlWriter = new XMLWriter(writer, format);
// 將document寫入到輸出流
xmlWriter.write(document);
xmlWriter.close();
return writer.toString();
}
}

package xml2map;

import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import net.sf.json.JSON;
import net.sf.json.JSONObject;

import org.apache.commons.io.FileUtils;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

/**

xml轉map，map轉xml 帶屬性
http://happyqing.iteye.com/blog/2316275
@author happyqing
@since 2016.8.8
*/
@SuppressWarnings({ “rawtypes”, “unchecked” })
public class XmlUtil {
public static void main(String[] args) throws DocumentException, IOException {
String textFromFile = FileUtils.readFileToString(new File(“D:/workspace/workspace_3.7/xml2map/src/xml2json/sample.xml”),“UTF-8”);
Map<String, Object> map = xml2map(textFromFile, false);
// long begin = System.currentTimeMillis();
// for(int i=0; i<1000; i++){
// map = (Map<String, Object>) xml2mapWithAttr(doc.getRootElement());
// }
// System.out.println(“耗時:”+(System.currentTimeMillis()-begin));
JSON json = JSONObject.fromObject(map);
System.out.println(json.toString(1)); // 格式化輸出
```
 Document doc = map2xml(map, "root");
 //Document doc = map2xml(map); //map中含有根節點的鍵
 System.out.println(formatXml(doc));
```
}

/**
- xml轉map 不帶屬性
- @param xmlStr
- @param needRootKey 是否需要在返回的map里加根節點鍵
- @return
- @throws DocumentException
  */
  public static Map xml2map(String xmlStr, boolean needRootKey) throws DocumentException {
  Document doc = DocumentHelper.parseText(xmlStr);
  Element root = doc.getRootElement();
  Map<String, Object> map = (Map<String, Object>) xml2map(root);
  if(root.elements().size()==0 && root.attributes().size()==0){
  return map;
  }
  if(needRootKey){
  //在返回的map里加根節點鍵（如果需要）
  Map<String, Object> rootMap = new HashMap<String, Object>();
  rootMap.put(root.getName(), map);
  return rootMap;
  }
  return map;
  }
/**
- xml轉map 帶屬性
- @param xmlStr
- @param needRootKey 是否需要在返回的map里加根節點鍵
- @return
- @throws DocumentException
  */
  public static Map xml2mapWithAttr(String xmlStr, boolean needRootKey) throws DocumentException {
  Document doc = DocumentHelper.parseText(xmlStr);
  Element root = doc.getRootElement();
  Map<String, Object> map = (Map<String, Object>) xml2mapWithAttr(root);
  if(root.elements().size()==0 && root.attributes().size()==0){
  return map; //根節點只有一個文本內容
  }
  if(needRootKey){
  //在返回的map里加根節點鍵（如果需要）
  Map<String, Object> rootMap = new HashMap<String, Object>();
  rootMap.put(root.getName(), map);
  return rootMap;
  }
  return map;
  }
/**
- xml轉map 不帶屬性
- @param e
- @return
  */
  private static Map xml2map(Element e) {
  Map map = new LinkedHashMap();
  List list = e.elements();
  if (list.size() > 0) {
  for (int i = 0; i < list.size(); i++) {
  Element iter = (Element) list.get(i);
  List mapList = new ArrayList();
```
 	if (iter.elements().size() &gt; 0) {
 		Map m = xml2map(iter);
 		if (map.get(iter.getName()) != null) {
 			Object obj = map.get(iter.getName());
 			if (!(obj instanceof List)) {
 				mapList = new ArrayList();
 				mapList.add(obj);
 				mapList.add(m);
 			}
 			if (obj instanceof List) {
 				mapList = (List) obj;
 				mapList.add(m);
 			}
 			map.put(iter.getName(), mapList);
 		} else
 			map.put(iter.getName(), m);
 	} else {
 		if (map.get(iter.getName()) != null) {
 			Object obj = map.get(iter.getName());
 			if (!(obj instanceof List)) {
 				mapList = new ArrayList();
 				mapList.add(obj);
 				mapList.add(iter.getText());
 			}
 			if (obj instanceof List) {
 				mapList = (List) obj;
 				mapList.add(iter.getText());
 			}
 			map.put(iter.getName(), mapList);
 		} else
 			map.put(iter.getName(), iter.getText());
 	}
 }
```
  } else
  map.put(e.getName(), e.getText());
  return map;
  }
/**
- xml轉map 帶屬性
- @param e
- @return
  */
  private static Map xml2mapWithAttr(Element element) {
  Map<String, Object> map = new LinkedHashMap<String, Object>();
  
  List<Element> list = element.elements();
  List<Attribute> listAttr0 = element.attributes(); // 當前節點的所有屬性的list
  for (Attribute attr : listAttr0) {
  map.put("@" + attr.getName(), attr.getValue());
  }
  if (list.size() > 0) {
```
 for (int i = 0; i &lt; list.size(); i++) {
 	Element iter = list.get(i);
 	List mapList = new ArrayList();

 	if (iter.elements().size() &gt; 0) {
 		Map m = xml2mapWithAttr(iter);
 		if (map.get(iter.getName()) != null) {
 			Object obj = map.get(iter.getName());
 			if (!(obj instanceof List)) {
 				mapList = new ArrayList();
 				mapList.add(obj);
 				mapList.add(m);
 			}
 			if (obj instanceof List) {
 				mapList = (List) obj;
 				mapList.add(m);
 			}
 			map.put(iter.getName(), mapList);
 		} else
 			map.put(iter.getName(), m);
 	} else {

 		List&lt;Attribute&gt; listAttr = iter.attributes(); // 當前節點的所有屬性的list
 		Map&lt;String, Object&gt; attrMap = null;
 		boolean hasAttributes = false;
 		if (listAttr.size() &gt; 0) {
 			hasAttributes = true;
 			attrMap = new LinkedHashMap&lt;String, Object&gt;();
 			for (Attribute attr : listAttr) {
 				attrMap.put("@" + attr.getName(), attr.getValue());
 			}
 		}

 		if (map.get(iter.getName()) != null) {
 			Object obj = map.get(iter.getName());
 			if (!(obj instanceof List)) {
 				mapList = new ArrayList();
 				mapList.add(obj);
 				// mapList.add(iter.getText());
 				if (hasAttributes) {
 					attrMap.put("#text", iter.getText());
 					mapList.add(attrMap);
 				} else {
 					mapList.add(iter.getText());
 				}
 			}
 			if (obj instanceof List) {
 				mapList = (List) obj;
 				// mapList.add(iter.getText());
 				if (hasAttributes) {
 					attrMap.put("#text", iter.getText());
 					mapList.add(attrMap);
 				} else {
 					mapList.add(iter.getText());
 				}
 			}
 			map.put(iter.getName(), mapList);
 		} else {
 			// map.put(iter.getName(), iter.getText());
 			if (hasAttributes) {
 				attrMap.put("#text", iter.getText());
 				map.put(iter.getName(), attrMap);
 			} else {
 				map.put(iter.getName(), iter.getText());
 			}
 		}
 	}
 }
```
  } else {
  // 根節點的
  if (listAttr0.size() > 0) {
  map.put("#text", element.getText());
  } else {
  map.put(element.getName(), element.getText());
  }
  }
  return map;
  }
/**
- map轉xml map中沒有根節點的鍵
- @param map
- @param rootName
- @throws DocumentException
- @throws IOException
  */
  public static Document map2xml(Map<String, Object> map, String rootName) throws DocumentException, IOException {
  Document doc = DocumentHelper.createDocument();
  Element root = DocumentHelper.createElement(rootName);
  doc.add(root);
  map2xml(map, root);
  //System.out.println(doc.asXML());
  //System.out.println(formatXml(doc));
  return doc;
  }
/**
- map轉xml map中含有根節點的鍵
- @param map
- @throws DocumentException
- @throws IOException
  */
  public static Document map2xml(Map<String, Object> map) throws DocumentException, IOException {
  Iterator<Map.Entry<String, Object>> entries = map.entrySet().iterator();
  if(entries.hasNext()){ //獲取第一個鍵創建根節點
  Map.Entry<String, Object> entry = entries.next();
  Document doc = DocumentHelper.createDocument();
  Element root = DocumentHelper.createElement(entry.getKey());
  doc.add(root);
  map2xml((Map)entry.getValue(), root);
  //System.out.println(doc.asXML());
  //System.out.println(formatXml(doc));
  return doc;
  }
  return null;
  }
/**
- map轉xml
- @param map
- @param body xml元素
- @return
  */
  private static Element map2xml(Map<String, Object> map, Element body) {
  Iterator<Map.Entry<String, Object>> entries = map.entrySet().iterator();
  while (entries.hasNext()) {
  Map.Entry<String, Object> entry = entries.next();
  String key = entry.getKey();
  Object value = entry.getValue();
  if(key.startsWith("@")){ //屬性
  body.addAttribute(key.substring(1, key.length()), value.toString());
  } else if(key.equals("#text")){ //有屬性時的文本
  body.setText(value.toString());
  } else {
  if(value instanceof java.util.List ){
  List list = (List)value;
  Object obj;
  for(int i=0; i<list.size(); i++){
  obj = list.get(i);
  //list裏是map或String，不會存在list裏直接是list的，
  if(obj instanceof java.util.Map){
  Element subElement = body.addElement(key);
  map2xml((Map)list.get(i), subElement);
  } else {
  body.addElement(key).setText((String)list.get(i));
  }
  }
  } else if(value instanceof java.util.Map ){
  Element subElement = body.addElement(key);
  map2xml((Map)value, subElement);
  } else {
  body.addElement(key).setText(value.toString());
  }
  }
  //System.out.println("Key = " + entry.getKey() + ", Value = " + entry.getValue());
  }
  return body;
  }
/**
- 格式化輸出xml
- @param xmlStr
- @return
- @throws DocumentException
- @throws IOException
  */
  public static String formatXml(String xmlStr) throws DocumentException, IOException {
  Document document = DocumentHelper.parseText(xmlStr);
  return formatXml(document);
  }
/**
- 格式化輸出xml
- @param document
- @return
- @throws DocumentException
- @throws IOException
  */
  public static String formatXml(Document document) throws DocumentException, IOException {
  // 格式化輸出格式
  OutputFormat format = OutputFormat.createPrettyPrint();
  //format.setEncoding(“UTF-8”);
  StringWriter writer = new StringWriter();
  // 格式化輸出流
  XMLWriter xmlWriter = new XMLWriter(writer, format);
  // 將document寫入到輸出流
  xmlWriter.write(document);
  xmlWriter.close();
  return writer.toString();
  }

}

參考：

Java xml文件轉換爲map集合

http://my.oschina.net/u/2253208/blog/500877
java xml轉map 高級版
http://xuelianbobo.iteye.com/blog/2153384

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aqua datastudio 調整結果集日期格式 | java xml轉json json轉xml（json轉map）

2016-08-08 22:46
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