org.ayound.js.debug.resource.JsResourceManager.java Source code

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Here is the source code for org.ayound.js.debug.resource.JsResourceManager.java

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/*******************************************************************************
 *
 *==============================================================================
 *
 * Copyright (c) 2008-2011 ayound@gmail.com
 * This program and the accompanying materials
 * are made available under the terms of the Apache License 2.0
 * which accompanies this distribution, and is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 * All rights reserved.
 *
 * Created on 2008-10-26
 *******************************************************************************/
package org.ayound.js.debug.resource;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.GZIPInputStream;

import org.apache.commons.io.FileUtils;
import org.ayound.js.debug.server.ResponseInfo;
import org.ayound.js.debug.util.PathUtil;

/**
 *
 * JsResourceManager is used to manager javascript files create file ,remove
 * file ,or create temp project and folder
 *
 */
public class JsResourceManager {

    public JsResourceManager(String port) {
        super();
    }

    private static File getTempFolder() {
        File folder = new File(PathUtil.getJsdtHome());
        folder = new File(folder, "jsdebug");
        if (!folder.exists()) {
            folder.mkdirs();
        }
        return folder.getAbsoluteFile();
    }

    public static void main(String[] args) {
        System.out.println(PathUtil.getJsdtHome());
    }

    public static String getResourceRealPath(String resource) {
        if (resource.endsWith("/")) {
            resource = resource + "_homePage";
        }
        File file = new File(getTempFolder(), resource);
        return file.getAbsolutePath().replace('\\', '/');
    }

    /**
     * create file by resource path,and write stream to the file
     *
     * @param resourcePath
     * @param isResult
     */
    public static void createFile(String resourcePath, InputStream isResult, String encoding) {
        String realPath = getResourceRealPath(resourcePath);
        createParentFolder(realPath);
        if ("gzip".equals(encoding)) {
            writeGzip2File(new File(realPath), isResult);
            return;
        }

        try {
            OutputStream out = new FileOutputStream(realPath);
            byte buf[] = new byte[1024];
            int len;
            while ((len = isResult.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
            out.close();
            isResult.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    private static void writeGzip2File(File file, InputStream inputStream) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        // Transfer bytes from the compressed stream to the output stream
        byte[] buf;
        try {
            inputStream = new GZIPInputStream(inputStream);
            buf = new byte[1024];
            int len;
            while ((len = inputStream.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
            FileUtils.writeByteArrayToFile(file, out.toByteArray());
            // Close the file and stream
            inputStream.close();
            out.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    private static void createParentFolder(String realPath) {
        File parent = new File(realPath).getParentFile();
        if (!parent.exists()) {
            parent.mkdirs();
        }
    }

    public static void createFile(String resourcePath, ResponseInfo info) {
        createFile(resourcePath, info.getInputStream(), info.getEncoding());
    }

}