001/*
002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.shell.cmds;
020
021import java.io.File;
022import java.io.InputStream;
023import java.net.URL;
024
025import org.nuxeo.shell.Argument;
026import org.nuxeo.shell.Command;
027import org.nuxeo.shell.Context;
028import org.nuxeo.shell.Shell;
029import org.nuxeo.shell.ShellException;
030import org.nuxeo.shell.fs.FileSystem;
031
032/**
033 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
034 */
035@Command(name = "install", help = "Install a SH script to launch the shell in the terminal. Available only for UNIX systems.")
036public class Install implements Runnable {
037
038    @Context
039    Shell shell;
040
041    @Argument(name = "file", required = false, index = 0, help = "the file where to install the shell script. If not used the script will be printed on stdout.")
042    protected File file;
043
044    public void run() {
045        try {
046            if (file == null) {
047                // dump on stdout
048                shell.getConsole().println(getShellScript());
049            } else {
050                FileSystem.writeFile(file, getShellScript());
051                file.setExecutable(true);
052            }
053        } catch (Exception e) {
054            throw new ShellException("Failed to install shell script", e);
055        }
056    }
057
058    public String getShellScript() throws Exception {
059        InputStream in = Install.class.getClassLoader().getResourceAsStream("run.sh");
060        String content = FileSystem.read(in);
061        URL url = Install.class.getProtectionDomain().getCodeSource().getLocation();
062        String path = new File(url.toURI()).getAbsolutePath();
063        return content.replace("%SHELL_JAR%", path);
064    }
065}