001package org.apache.maven.scm.provider.integrity.command.tag;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import com.mks.api.response.APIException;
023import com.mks.api.response.Response;
024import com.mks.api.response.WorkItem;
025import groovy.lang.Binding;
026import groovy.lang.GroovyShell;
027import org.apache.maven.scm.ScmException;
028import org.apache.maven.scm.ScmFileSet;
029import org.apache.maven.scm.ScmTagParameters;
030import org.apache.maven.scm.command.tag.AbstractTagCommand;
031import org.apache.maven.scm.command.tag.TagScmResult;
032import org.apache.maven.scm.provider.ScmProviderRepository;
033import org.apache.maven.scm.provider.integrity.ExceptionHandler;
034import org.apache.maven.scm.provider.integrity.Project;
035import org.apache.maven.scm.provider.integrity.repository.IntegrityScmProviderRepository;
036import org.codehaus.groovy.control.CompilationFailedException;
037import org.codehaus.groovy.control.CompilerConfiguration;
038
039/**
040 * MKS Integrity implementation of Maven's AbstractTagCommand
041 * <br>This command will execute a 'si checkpoint' command using a groovy
042 * script for evaluating the tag (label) name
043 *
044 * @author <a href="mailto:cletus@mks.com">Cletus D'Souza</a>
045 * @version $Id: IntegrityTagCommand.java 1.4 2011/08/22 13:06:38EDT Cletus D'Souza (dsouza) Exp  $
046 * @since 1.6
047 */
048public class IntegrityTagCommand
049    extends AbstractTagCommand
050{
051    /**
052     * {@inheritDoc}
053     */
054    @Override
055    public TagScmResult executeTagCommand( ScmProviderRepository repository, ScmFileSet fileSet, String tagName,
056                                           ScmTagParameters scmTagParameters )
057        throws ScmException
058    {
059        getLogger().info(
060            "Attempting to checkpoint project associated with sandbox " + fileSet.getBasedir().getAbsolutePath() );
061        TagScmResult result;
062        String message = scmTagParameters.getMessage();
063        IntegrityScmProviderRepository iRepo = (IntegrityScmProviderRepository) repository;
064
065        try
066        {
067            // First validate the checkpoint label string by evaluating the groovy script
068            String chkptLabel = evalGroovyExpression( tagName );
069            Project.validateTag( chkptLabel );
070            String msg = ( ( null == message || message.length() == 0 ) ? System.getProperty( "message" ) : message );
071            // Get information about the Project
072            Project siProject = iRepo.getProject();
073            // Ensure this is not a build project configuration
074            if ( !siProject.isBuild() )
075            {
076                Response res = siProject.checkpoint( msg, chkptLabel );
077                int exitCode = res.getExitCode();
078                boolean success = ( exitCode == 0 ? true : false );
079                WorkItem wi = res.getWorkItem( siProject.getConfigurationPath() );
080                String chkpt = wi.getResult().getField( "resultant" ).getItem().getId();
081                getLogger().info(
082                    "Successfully checkpointed project " + siProject.getConfigurationPath() + " with label '"
083                        + chkptLabel + "', new revision is " + chkpt );
084                result =
085                    new TagScmResult( res.getCommandString(), wi.getResult().getMessage(), "Exit Code: " + exitCode,
086                                      success );
087            }
088            else
089            {
090                getLogger().error(
091                    "Cannot checkpoint a build project configuration: " + siProject.getConfigurationPath() + "!" );
092                result =
093                    new TagScmResult( "si checkpoint", "Cannot checkpoint a build project configuration!", "", false );
094            }
095        }
096        catch ( CompilationFailedException cfe )
097        {
098            getLogger().error( "Groovy Compilation Exception: " + cfe.getMessage() );
099            result = new TagScmResult( "si checkpoint", cfe.getMessage(), "", false );
100        }
101        catch ( APIException aex )
102        {
103            ExceptionHandler eh = new ExceptionHandler( aex );
104            getLogger().error( "MKS API Exception: " + eh.getMessage() );
105            getLogger().info( eh.getCommand() + " exited with return code " + eh.getExitCode() );
106            result = new TagScmResult( eh.getCommand(), eh.getMessage(), "Exit Code: " + eh.getExitCode(), false );
107        }
108        catch ( Exception e )
109        {
110            getLogger().error( "Failed to checkpoint project! " + e.getMessage() );
111            result = new TagScmResult( "si checkpoint", e.getMessage(), "", false );
112        }
113        return result;
114    }
115
116    public String evalGroovyExpression( String expression )
117    {
118        Binding binding = new Binding();
119        binding.setVariable( "env", System.getenv() );
120        binding.setVariable( "sys", System.getProperties() );
121        CompilerConfiguration config = new CompilerConfiguration();
122        GroovyShell shell = new GroovyShell( binding, config );
123        Object result = shell.evaluate( "return \"" + expression + "\"" );
124        if ( result == null )
125        {
126            return "";
127        }
128        else
129        {
130            return result.toString().trim();
131        }
132    }
133}