com.crushpaper.CommandLineUtil.java Source code

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Here is the source code for com.crushpaper.CommandLineUtil.java

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/*
Copyright 2015 CrushPaper.com.
    
This file is part of CrushPaper.
    
CrushPaper is free software: you can redistribute it and/or modify
it under the terms of version 3 of the GNU Affero General Public
License as published by the Free Software Foundation.
    
CrushPaper is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.
    
You should have received a copy of the GNU Affero General Public License
along with CrushPaper.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.crushpaper;

import org.apache.commons.lang3.StringUtils;

/** Command line related utility functions. */
public class CommandLineUtil {
    /** Copies one directory to another. */
    static public int copyDirectory(StringBuffer out, StringBuffer err, String source, String destination) {
        return ThreadedSynchronousStreamReader.exec(out, err, getCopyDirectoryArgs(source, destination));
    }

    /** Copies one directory to another. */
    static public int removeDirectory(StringBuffer out, StringBuffer err, String directory) {
        return ThreadedSynchronousStreamReader.exec(out, err, getRmDirArgs(directory));
    }

    /** Returns the array of command line arguments to copy a directory. */
    static public String[] getCopyDirectoryArgs(String source, String destination) {
        String osName = System.getProperty("os.name");
        if (!osName.startsWith("Windows")) {
            return new String[] { "cp", "-rp", source, destination };
        }

        // Reference
        // http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/xcopy.mspx?mfr=true
        return new String[] { "xcopy", source, destination, "/i", "/k", "/h", "/f", "/s", "/e", "/q" };
    }

    /** Returns the array of command line arguments to remove a directory. */
    static public String[] getRmDirArgs(String directory) {
        String osName = System.getProperty("os.name");
        if (!osName.startsWith("Windows")) {
            return new String[] { "rm", "-rf", directory };
        }

        return new String[] { "rmdir", directory, "/s", "/q" };
    }

    /**
     * Returns the array of with double quotes around any argument with spaces
     * in it so it can be run from the command line.
     */
    static public String getArgsForCopyAndPaste(String[] args) {
        String[] result = new String[args.length];

        for (int i = 0; i < args.length; ++i) {
            String arg = args[i];
            result[i] = arg.contains(" ") ? "\"" + arg + "\"" : arg;
        }

        return StringUtils.join(result, " ");
    }
}