eu.forgestore.ws.util.Utils.java Source code

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Here is the source code for eu.forgestore.ws.util.Utils.java

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/**
 * Copyright 2014 forgestore.eu, University of Patras 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License.
 * You may obtain a copy of the License at:
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * 
 * See the License for the specific language governing permissions and limitations under the License.
 */

package eu.forgestore.ws.util;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.apache.commons.exec.CommandLine;
import org.apache.commons.exec.DefaultExecutor;
import org.apache.commons.exec.ExecuteException;
import org.apache.commons.exec.Executor;
import org.apache.commons.exec.PumpStreamHandler;

public class Utils {

    public static int executeSystemCommand(String cmdStr) {

        CommandLine cmdLine = CommandLine.parse(cmdStr);
        final Executor executor = new DefaultExecutor();
        // create the executor and consider the exitValue '0' as success
        executor.setExitValue(0);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        PumpStreamHandler streamHandler = new PumpStreamHandler(out);
        executor.setStreamHandler(streamHandler);

        int exitValue = -1;
        try {
            exitValue = executor.execute(cmdLine);

        } catch (ExecuteException e) {

            e.printStackTrace();
        } catch (IOException e) {

            e.printStackTrace();
        }

        return exitValue;

    }
}