Digester进阶

将下面的xml转换成RequireConfig对象：

<reqConfig id="req20120413000048">
  <alipay>
    <appName to="/home/admin/copywriter">cmscenter</appName> 
    <appName to="/home/admin/copywriter">ecmng</appName> 
    <appName to="/home/admin/copywriter">devcenter</appName> 
    <appName to="/home/admin/copywriter">zpublish</appName> 
  </alipay>
  <appName to="/home/admin/copywriter">zpublish</appName>
</reqConfig>

 RequireConfig对象：

/**
 * created since 2012-4-11
 */
package com.alipay.ecmng.biz.shared.model;

import java.util.ArrayList;
import java.util.List;

/**
 * @author wb-gaoy
 * @version $Id: RequireConfig.java,v 0.1 2012-4-11 下午7:41:12 wb-gaoy Exp $
 */
public class RequireConfig {

    private String                   reqId;
    private AlipayClusterInfo        alipayCluster;
    private List<RequireApplication> requireApps = new ArrayList<RequireApplication>();

    public String getReqId() {
        return reqId;
    }

    public void setReqId(String reqId) {
        this.reqId = reqId;
    }

    public List<RequireApplication> getRequireApps() {
        return requireApps;
    }

    public void setRequireApps(List<RequireApplication> requireApps) {
        this.requireApps = requireApps;
    }

    public void addReqApp(RequireApplication reqApp) {
        requireApps.add(reqApp);
    }

    public AlipayClusterInfo getAlipayCluster() {
        return alipayCluster;
    }

    public void setAlipayCluster(AlipayClusterInfo alipayCluster) {
        this.alipayCluster = alipayCluster;
    }

}

 

 AlipayClusterInfo对象：

/**
 * created since 2012-4-16
 */
package com.alipay.ecmng.biz.shared.model;

import java.util.ArrayList;
import java.util.List;

/**
 * @author wb-gaoy
 * @version $Id: AlipayClusterInfo.java,v 0.1 2012-4-16 下午8:48:31 wb-gaoy Exp $
 */
public class AlipayClusterInfo {

    private List<RequireApplication> requireApps = new ArrayList<RequireApplication>();

    public List<RequireApplication> getRequireApps() {
        return requireApps;
    }

    public void setRequireApps(List<RequireApplication> requireApps) {
        this.requireApps = requireApps;
    }

    public void addReqApp(RequireApplication reqApp) {
        requireApps.add(reqApp);
    }
}

 

 

RequireApplication对象：

/**
 * created since 2012-4-11
 */
package com.alipay.ecmng.biz.shared.model;

/**
 * @author wb-gaoy
 * @version $Id: RequireApplication.java,v 0.1 2012-4-11 下午7:47:49 wb-gaoy Exp $
 */
public class RequireApplication {

    private String name;
    private String targetDir;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getTargetDir() {
        return targetDir;
    }

    public void setTargetDir(String targetDir) {
        this.targetDir = targetDir;
    }
}

 

 

将xml解析成对象的主要方法：

public RequireConfig readReqConfigFile(File reqConfigFile) {

        if (!reqConfigFile.exists())
            return null;

        Digester digester = new Digester();
        digester.setValidating(false);

        digester.addObjectCreate("reqConfig", RequireConfig.class);
        digester.addSetProperties("reqConfig", "id", "reqId");

        digester.addObjectCreate("reqConfig/alipay", AlipayClusterInfo.class);
        digester.addObjectCreate("reqConfig/alipay/appName", RequireApplication.class);
        digester.addCallMethod("reqConfig/alipay/appName", "setName", 0);
        digester.addSetProperties("reqConfig/alipay/appName", "to", "targetDir");
        digester.addSetNext("reqConfig/alipay/appName", "addReqApp",
            "com.alipay.ecmng.biz.shared.model.RequireApplication");
        digester.addSetNext("reqConfig/alipay", "setAlipayCluster");

        digester.addObjectCreate("reqConfig/appName", RequireApplication.class);
        digester.addCallMethod("reqConfig/appName", "setName", 0);
        digester.addSetProperties("reqConfig/appName", "to", "targetDir");

        digester.addSetNext("reqConfig/appName", "addReqApp",
            "com.alipay.ecmng.biz.shared.model.RequireApplication");

        try {
            return (RequireConfig) digester.parse(reqConfigFile);
        } catch (IOException e) {
            errorMessage.set(e.getMessage());
        } catch (SAXException e) {
            errorMessage.set(e.getMessage());
        }
    }

 

O!!