Java InputStream Copy to File copyStreamsToFile(String path, Map streamMap)

Description

copy Streams To File

License

Open Source License

Declaration

public static void copyStreamsToFile(String path, Map<String, InputStream> streamMap) throws IOException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2014 OpenLegacy Inc./*www.  j av a  2s .  co  m*/
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     OpenLegacy Inc. - initial API and implementation
 *******************************************************************************/

import java.io.BufferedReader;

import java.io.File;
import java.io.FileOutputStream;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

import java.util.Map;

public class Main {
    private static String LINE_START = "      ";
    private static int LINE_MIN_LENGTH = 6;
    private static String newLine = System.getProperty("line.separator");

    public static void copyStreamsToFile(String path, Map<String, InputStream> streamMap) throws IOException {

        for (String copyBookName : streamMap.keySet()) {
            File copyBookFile = new File(path + copyBookName);
            OutputStream copyBookStream = new FileOutputStream(copyBookFile);
            OutputStreamWriter copyBookStreamWriter = new OutputStreamWriter(copyBookStream);

            copyBookFile.deleteOnExit();

            BufferedReader input = new BufferedReader(new InputStreamReader(streamMap.get(copyBookName)));
            String line;
            while ((line = input.readLine()) != null) {
                if ((line = preProcessLine(line)) != null) {
                    copyBookStreamWriter.write(line);
                }

            }
            // IOUtils.copy(streamMap.get(copyBookName), copyBookStream);
            copyBookStreamWriter.close();
            copyBookStream.close();
        }
    }

    public static String preProcessLine(String line) {
        if (line.length() > LINE_MIN_LENGTH) {
            line = LINE_START + line.substring(6);
            if (isComment(line) == false) {
                return line + newLine;

            }
        }
        return null;
    }

    private static boolean isComment(String line) {

        for (int i = 6; i < line.length(); i++) {
            if (line.charAt(i) != ' ') {
                if (line.charAt(i) == '*') {
                    return true;
                } else {
                    return false;
                }
            }
        }
        return false;
    }
}

Related

1. copyStream(final InputStream is, final File destinationFile)
2. copyStream(InputStream copyFrom, File copyTo)
3. copyStream(InputStream in, File dest)
4. copyStream(InputStream in, File dest)
5. copyStreamIntoFile(File outFile, InputStream is)
6. copyStreamsToFolder(Iterator> streams, File folder)
7. copyStreamToFile(final File to, final InputStream from)
8. copyStreamToFile(InputStream from, File to)
9. copyStreamToFile(InputStream in, File destination)