Execute system command. - Java Native OS

Description

Execute system command.
Demo Code

/**/*from w  ww  .j  a  va2 s.  co  m*/
 *  Copyright 2009 Welocalize, Inc. 
 *  
 *  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.
 *  
 */
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import org.apache.log4j.Logger;

public class Main{
    public static void main(String[] argv) throws Exception{
        String[] cmd = new String[]{"1","abc","level",null,"java2s.com","asdf 123"};
        System.out.println(run(cmd));
    }
    private static Logger log = Logger.getLogger(CmdUtil.class);
    /**
     * Excute system command.
     * 
     * @param cmd
     *            The system command.
     * @throws Exception
     *             Throwed out if excute failed.
     */
    public static List<String> run(String[] cmd) throws Exception {
        Process p = Runtime.getRuntime().exec(cmd);
        BufferedReader in = null;
        BufferedReader sin = null;

        List<String> result = new ArrayList<String>();
        try {
            in = new BufferedReader(new InputStreamReader(
                    p.getInputStream()));

            sin = new BufferedReader(new InputStreamReader(
                    p.getErrorStream()));

            String line;

            while ((line = in.readLine()) != null) {
                // System.out.println(line);
                result.add(line);
            }

            while ((line = sin.readLine()) != null) {
                log.info(line);
                if (line.indexOf(":") > 0) {
                    line = line.substring(line.indexOf(":") + 1);
                }
                if (line.indexOf("(") > 0) {
                    line = line.substring(0, line.lastIndexOf("("));
                }

                line = line.trim();

                if (!line.endsWith(".")) {
                    line += ".";
                }

                throw new Exception(line);
            }
        } finally {
            if (in != null) {
                in.close();
            }
            if (sin != null) {
                sin.close();
            }
        }

        return result;
    }
}
Execute system command. - Java Native OS

Description

Demo Code

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