org.neo4j.vagrant.Shell.java Source code

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Here is the source code for org.neo4j.vagrant.Shell.java

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/**
 * Copyright (c) 2002-2013 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.vagrant;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringUtils;

public class Shell extends AbstractShell {

    public static class Result {
        private final int result;
        private final String message;
        private final String cmd;

        Result(int result, String message, String cmd) {
            this.result = result;
            this.cmd = cmd;
            this.message = message;
        }

        public int getExitCode() {
            return result;
        }

        public String getOutput() {
            return message;
        }

        public List<String> getOutputAsList() {
            return Arrays.asList(message.split("\n"));
        }

        public String getCommand() {
            return cmd;
        }
    }

    private File workingDir;
    private Map<String, String> env = new HashMap<String, String>();
    private String shellName;

    public Shell(String shellName, File workingDir, PrintWriter log) {
        super(log);
        this.shellName = shellName;
        this.workingDir = workingDir;
    }

    public Map<String, String> getEnvironment() {
        return env;
    }

    public Result run(String... cmds) {
        String cmd = StringUtils.join(cmds, " ");
        try {
            logOutput(shellName + " $ ", cmd);
            Process proc = startProcess(cmd);

            String msg = outputToString(shellName, proc.getInputStream())
                    + outputToString(shellName, proc.getErrorStream());
            proc.waitFor();

            return new Result(proc.exitValue(), msg, cmd);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public Process startProcess(String cmd) {
        try {
            return Runtime.getRuntime().exec(cmd, getEnvironmentParams(), workingDir);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    private String[] getEnvironmentParams() {
        String[] envList = new String[env.size()];
        int i = 0;
        for (String k : env.keySet()) {
            envList[i++] = k + "=" + env.get(k);
        }
        return envList;
    }

    public void setWorkingDir(File dir) {
        workingDir = dir;
    }

    public File getWorkingDir() {
        return workingDir;
    }

}