XMLReader—一个可以读取XML文件的java类

<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
<session-factory name="foo">

<property name="connection.driver_class">com.mysql.jdbc.Driver</property>

<property name="connection.url">jdbc:mysql://localhost/db?characterEncoding=gb2312</property>

<property name="connection.username">root</property>

<property name="connection.password">root</property>

</session-factory>
</hibernate-configuration>

import java.io.*;
import java.util.*;

import org.dom4j.*;
import org.dom4j.io.*;

public class XMLReader {

public static List<String> getdbxml() {
List<String> db=new ArrayList<String>();
try {
File f = new File("D:\\db.xml");
SAXReader reader = new SAXReader();
Document doc = reader.read(f);
Element root = doc.getRootElement();
Element fo;
Element value;
int j=0;
//迭代器查看有几个session-factory
for (Iterator i = root.elementIterator("session-factory"); i.hasNext();)
{
fo = (Element) i.next();//将foo赋给fo，然后循环查看名为property的值，存到db里
for(Iterator k = fo.elementIterator("property");k.hasNext();)
{
value = (Element)k.next();
db.add((String)value.getData());//使用ArrayList的add方法将元素存储到容器里
j++;
}
}

} catch (Exception e) {
e.printStackTrace();
}
return db;
}
}