dom4j例子

/**
  * 解析包含有DB连接信息的XML文件
  * 格式必须符合如下规范：
  * 1. 最多三级，每级的node名称自定义；
  * 2. 二级节点支持节点属性，属性将被视作子节点；
  * 3. CDATA必须包含在节点中，不能单独出现。
  *
  * 示例1——三级显示：
  * <db-connections>
  *         <connection>
  *            <name>DBTest</name>
  *            <jndi></jndi>
  *            <url>
  *                <![CDATA[jdbc:mysql://localhost:3306/db_test?useUnicode=true&characterEncoding=UTF8]]>
  *             </url>
  *            <driver>org.gjt.mm.mysql.Driver</driver>
  *             <user>test</user>
  *            <password>test2012</password>
  *            <max-active>10</max-active>
  *            <max-idle>10</max-idle>
  *            <min-idle>2</min-idle>
  *            <max-wait>10</max-wait>
  *            <validation-query>SELECT 1+1</validation-query>
  *         </connection>
  * </db-connections>
  *
  * 示例2——节点属性：
  * <bookstore>
  *         <book category="cooking">
  *            <title lang="en">Everyday Italian</title>
  *            <author>Giada De Laurentiis</author>
  *            <year>2005</year>
  *            <price>30.00</price>
  *         </book>
  *
  *         <book category="children" title="Harry Potter" author="J K. Rowling" year="2005" price="$29.9"/>
  * </bookstore>
  *
  * @param configFile
  * @return
  * @throws Exception
  */
 public static List<Map<String, String>> parseDBXML(String configFile) throws Exception {
     List<Map<String, String>> dbConnections = new ArrayList<Map<String, String>>();
     InputStream is = Parser.class.getResourceAsStream(configFile);
     SAXReader saxReader = new SAXReader();
     Document document = saxReader.read(is);
     Element connections = document.getRootElement();
 
     Iterator<Element> rootIter = connections.elementIterator();
     while (rootIter.hasNext()) {
         Element connection = rootIter.next();
         Iterator<Element> childIter = connection.elementIterator();
         Map<String, String> connectionInfo = new HashMap<String, String>();
         List<Attribute> attributes = connection.attributes();
         for (int i = 0; i < attributes.size(); ++i) { // 添加节点属性
             connectionInfo.put(attributes.get(i).getName(), attributes.get(i).getValue());
         }
         while (childIter.hasNext()) { // 添加子节点
             Element attr = childIter.next();
             connectionInfo.put(attr.getName().trim(), attr.getText().trim());
         }
         dbConnections.add(connectionInfo);
     }
 
     return dbConnections;
 }

 

 

 

 

 

 

 

 

/**
  * 解析包含有DB连接信息的XML文件
  * 格式必须符合如下规范：
  * 1. 最多三级，每级的node名称自定义；
  * 2. 二级节点支持节点属性，属性将被视作子节点；
  * 3. CDATA必须包含在节点中，不能单独出现。
  *
  * 示例1——三级显示：
  * <db-connections>
  *         <connection>
  *            <name>DBTest</name>
  *            <jndi></jndi>
  *            <url>
  *                <![CDATA[jdbc:mysql://localhost:3306/db_test?useUnicode=true&characterEncoding=UTF8]]>
  *             </url>
  *            <driver>org.gjt.mm.mysql.Driver</driver>
  *             <user>test</user>
  *            <password>test2012</password>
  *            <max-active>10</max-active>
  *            <max-idle>10</max-idle>
  *            <min-idle>2</min-idle>
  *            <max-wait>10</max-wait>
  *            <validation-query>SELECT 1+1</validation-query>
  *         </connection>
  * </db-connections>
  *
  * 示例2——节点属性：
  * <bookstore>
  *         <book category="cooking">
  *            <title lang="en">Everyday Italian</title>
  *            <author>Giada De Laurentiis</author>
  *            <year>2005</year>
  *            <price>30.00</price>
  *         </book>
  *
  *         <book category="children" title="Harry Potter" author="J K. Rowling" year="2005" price="$29.9"/>
  * </bookstore>
  *
  * @param configFile
  * @return
  * @throws Exception
  */
 public static List<Map<String, String>> parseDBXML(String configFile) throws Exception {
     List<Map<String, String>> dbConnections = new ArrayList<Map<String, String>>();
     InputStream is = Parser.class.getResourceAsStream(configFile);
     SAXReader saxReader = new SAXReader();
     Document document = saxReader.read(is);
     Element connections = document.getRootElement();
 
     Iterator<Element> rootIter = connections.elementIterator();
     while (rootIter.hasNext()) {
         Element connection = rootIter.next();
         Iterator<Element> childIter = connection.elementIterator();
         Map<String, String> connectionInfo = new HashMap<String, String>();
         List<Attribute> attributes = connection.attributes();
         for (int i = 0; i < attributes.size(); ++i) { // 添加节点属性
             connectionInfo.put(attributes.get(i).getName(), attributes.get(i).getValue());
         }
         while (childIter.hasNext()) { // 添加子节点
             Element attr = childIter.next();
             connectionInfo.put(attr.getName().trim(), attr.getText().trim());
         }
         dbConnections.add(connectionInfo);
     }
 
     return dbConnections;
 }