Apache Commons-configuration 范例

configuration.xml:

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <header>
        <result forceReloadCheck="true"></result>
    </header>

    <override>
        <system />
        <properties fileName="${user.home}/users.properties">
            <reloadingStrategy config-class="org.apache.commons.configuration.reloading.FileChangedReloadingStrategy"
                refreshDelay="1000" />
        </properties>
        <xml fileName="hibernate.cfg.xml" />
    </override>
</configuration>

users.properties

a.b=sss
a.a=${sys:user.dir}-${a.b}

hibernate.cfg.xml

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<!-- Generated by MyEclipse Hibernate Tools.                   -->
<hibernate-configuration>

    <session-factory>
        <property name="connection.username">aName</property>
        <property name="connection.url">
            jdbc:oracle:thin:@192.168.0.123:1521:ora123
        </property>
        <property name="dialect">
            org.hibernate.dialect.Oracle9Dialect
        </property>
        <property name="myeclipse.connection.profile">
            oracle.jdbc.driver.OracleDriver
        </property>
        <property name="connection.password">pass</property>
        <property name="connection.driver_class">
            oracle.jdbc.driver.OracleDriver
        </property>
        <mapping resource="test/TABLE_ONE.hbm.xml" />

    </session-factory>

</hibernate-configuration>

Test.java

    ConfigurationBuilder factory = new DefaultConfigurationBuilder("bin/configuration.xml");
    Configuration config = factory.getConfiguration();
    System.out.println(config.getClass());
   
    for (int i = 0; i < 50; i++) ...{
        //System.out.println(rs.reloadingRequired());
        System.out.println(config.getString("a.a"));
        Thread.sleep(1000);
    }

        System.out.println(config.getString("a.a"));
        System.out.println(config.getString("a.b"));
        System.out.println(config.getString("session-factory.mapping[@resource]"));
        System.out.println(config.getString("session-factory.property(0)[@name]"));
        System.out.println(config.getString("session-factory.property(1)"));