Package org.apache.maven.wagon.providers.ssh

Source Code of org.apache.maven.wagon.providers.ssh.ShellCommand

package org.apache.maven.wagon.providers.ssh;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you 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 org.apache.sshd.server.Command;
import org.apache.sshd.server.Environment;
import org.apache.sshd.server.ExitCallback;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.cli.CommandLineUtils;
import org.codehaus.plexus.util.cli.Commandline;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

/**
* @author Olivier Lamy
*/
public class ShellCommand implements Command
{
protected static final int OK = 0;

        protected static final int WARNING = 1;

        protected static final int ERROR = 2;

        private InputStream in;

        private OutputStream out;

        private OutputStream err;

        private ExitCallback callback;

        private Thread thread;

        private String commandLine;

        public ShellCommand( String commandLine )
        {
            this.commandLine = commandLine;
        }

        public void setInputStream( InputStream in )
        {
            this.in = in;
        }

        public void setOutputStream( OutputStream out )
        {
            this.out = out;
        }

        public void setErrorStream( OutputStream err )
        {
            this.err = err;
        }

        public void setExitCallback( ExitCallback callback )
        {
            this.callback = callback;
        }

        public void start( Environment env )
            throws IOException
        {
            File tmpFile = File.createTempFile( "wagon", "test-sh" );
            tmpFile.deleteOnExit();
            int exitValue = 0;
            CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
            CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
            try
            {

                // hackhish defaut commandline tools not support ; or && so write a file with the script
                // and "/bin/sh -e " + tmpFile.getPath();
                FileUtils.fileWrite( tmpFile, commandLine );

                Commandline cl = new Commandline();
                cl.setExecutable( "/bin/sh" );
                //cl.createArg().setValue( "-e" );
                //cl.createArg().setValue( tmpFile.getPath() );
                cl.createArg().setFile( tmpFile );

                exitValue = CommandLineUtils.executeCommandLine( cl, stdout, stderr );
                System.out.println( "exit value " + exitValue );
                /*
                if ( exitValue == 0 )
                {
                    out.write( stdout.getOutput().getBytes() );
                    out.write( '\n' );
                    out.flush();

                }
                else
                {
                    out.write( stderr.getOutput().getBytes() );
                    out.write( '\n' );
                    out.flush();

                }*/

            }
            catch ( Exception e )
            {
                exitValue = ERROR;
                e.printStackTrace();
            }
            finally
            {
                deleteQuietly( tmpFile );
                if ( exitValue != 0 )
                {
                    err.write( stderr.getOutput().getBytes() );
                    err.write( '\n' );
                    err.flush();
                    callback.onExit( exitValue, stderr.getOutput() );
                }
                else
                {
                    out.write( stdout.getOutput().getBytes() );
                    out.write( '\n' );
                    out.flush();
                    callback.onExit( exitValue, stdout.getOutput() );
                }

            }
            /*
            out.write( exitValue );
            out.write( '\n' );

            */
            out.flush();
        }

        public void destroy()
        {

        }

        private void deleteQuietly( File f )
        {

            try
            {
                f.delete();
            }
            catch ( Exception e )
            {
                // ignore
            }
        }
}
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