xmlutility.java

采用JAVA开发

/**
 * $RCSfile: XMLUtility.java,v $
 * $Revision: 1.1.1.1 $
 * $Date: 2004/01/07 05:06:28 $
 *
 * Copyright (C) 2003 ICSS, Inc. All rights reserved.
 *
 * This software is the proprietary information of ICSS, Inc.
 * Use is subject to license terms.
 */

package com.gctech.misc.util;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.Reader;
import java.io.StringWriter;
import java.io.Writer;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

/**
 * <p>Title: OA系统</p>
 * <p>Description: XML工具类</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: 中软远东国际</p>
 *
 * @author Huchm 2003-6-23
 * @version 1.0
 */

public class XMLUtility {

    /**
     * 用于把xml流转化为html输出流。
     * @param xmlInput java.io.Reader          xml输入流
     * @param htmlOutput java.io.Writer        html输出流
     * @param xslInput java.io.Reader          xsl文件输入流
     */
    public static void renderXmlStream(Reader xmlInput, Writer htmlOutput, Reader xslInput) {
        try {
            TransformerFactory factory = TransformerFactory.newInstance();
            Transformer transformer = factory.newTransformer(new StreamSource(xslInput));
            xslInput.close();
            transformer.setOutputProperty(OutputKeys.ENCODING, "GB2312");
            transformer.setOutputProperty(OutputKeys.METHOD, "html");
            transformer.transform(new StreamSource(xmlInput), new StreamResult(htmlOutput));
            xmlInput.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 用于把xml流转化为html输出流。
     * @param xmlInput java.io.Reader          xml输入流
     * @param htmlOutput java.io.Writer        html输出流
     * @param xsl java.lang.String             xsl文件
     */
    public static void renderXmlStream(Reader xmlInput, Writer htmlOutput, String xsl) {
        try {
            FileReader xslInput = new FileReader(xsl);
            renderXmlStream(xmlInput, htmlOutput, xslInput);
            //xslInput.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 传入XML流和XSL文档的URL,返回用于显示的HTML字符串
     * 一般把返回值放到request对象中，
     * 在JSP中get出来并输出。
     * @param xmlInput java.io.Reader  xml输入流，可以从Clob中得到
     * @param xsl java.lang.String     xsl文件url
     */
    public static String renderXmlStream(Reader xmlInput, String xsl) {
        StringWriter sw = new StringWriter();
        renderXmlStream(xmlInput, sw, xsl);
        sw.flush();
        return sw.toString();
    }

    public static void main(String args[]) {
        try {
            FileReader xmlInput = new FileReader("d:\\a.xml");
            FileReader xslInput = new FileReader("d:\\b.xsl");
            FileWriter htmlOutput = new FileWriter("d:\\output.html");
            renderXmlStream(xmlInput, htmlOutput, xslInput);
            htmlOutput.flush();
            htmlOutput.close();
        }
        catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
}