java : dom4j 美化 XML 输出文件

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PrettyXML.java

package test;

import java.io.*;

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

/**
* dom4j 学习: 使用dom4j 读取 xml文档并美化输出保存
*
*/
public class PrettyXML {

	public static void main(String[] args) throws Exception {
		if (args.length ==0){
			System.out.println(" usage: java -cp %JAR%;. test.PrettyXML file1.xml ");
			return;
		}
		String f1 = args[0];
		if (!f1.endsWith("xml") && !f1.endsWith("XML")){
			System.out.println("Error: "+f1+" is not xml file.");
			return;
		}
		File file1 = new File(f1);
		if (!file1.exists()){
			System.out.println("Error: "+f1+" is not exists.");
			return;
		}
		int i = f1.lastIndexOf(".");
		String f2 = f1.substring(0,i) +".out";
		try {
			SAXReader reader = new SAXReader();
			Document document = reader.read(file1);
			// 美化格式
			OutputFormat format = OutputFormat.createPrettyPrint();
			// 指定输出文件
			XMLWriter xWriter = new XMLWriter(new FileOutputStream(f2), format);
			xWriter.write(document);
			xWriter.flush();
			xWriter.close();
			System.out.println("outfile: "+f2);
		} catch (IOException e) {
				e.printStackTrace();
		}
	}
}

运行 pretty.bat

set JAR=dom4j-1.6.1.jar
set JAR=%JAR%;jaxen-1.1-beta-6.jar
java -cp %JAR%;. test.PrettyXML %1