core-it-suite/src/test/resources/mng-3703/maven-mng3703-plugin/src/main/java/jar/AbstractCheckMojo.java

package jar;

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 *
 * 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.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;

public abstract class AbstractCheckMojo
    extends AbstractMojo
{

    protected static boolean forkHasRun = false;

    /**
     * @parameter default-value="${project}"
     * @required
     * @readonly
     */
    private MavenProject project;

    /**
     * @parameter default-value="${executedProject}"
     * @required
     * @readonly
     */
    private MavenProject executionProject;

    public void execute()
        throws MojoExecutionException
    {
        if ( getMainProject().getBasedir() == null )
        {
            throw new MojoExecutionException( "Basedir is null on the main project instance." );
        }

        if ( getTestProject().getBasedir() == null )
        {
            throw new MojoExecutionException( "Basedir is null on the " + getTestProjectLabel() + " instance (during mojo execution)." );
        }

        String executionBasedir = getTestProject().getBasedir().getAbsolutePath();

        Map failedPaths = new LinkedHashMap();

        checkListOfPaths( getTestProject().getCompileSourceRoots(), executionBasedir, "compileSourceRoots", failedPaths );
        checkListOfPaths( getTestProject().getTestCompileSourceRoots(), executionBasedir, "testCompileSourceRoots", failedPaths );

        // MNG-3741: Don't worry about relative paths in scriptSourceRoots.
        // checkListOfPaths( getTestProject().getScriptSourceRoots(), executionBasedir, "scriptSourceRoots", failedPaths );


        if ( !failedPaths.isEmpty() )
        {
            StringBuffer buffer = new StringBuffer();
            buffer.append( "The following paths were relative (should have been absolute):" );
            for ( Iterator it = failedPaths.entrySet().iterator(); it.hasNext(); )
            {
                Map.Entry entry = (Map.Entry) it.next();

                buffer.append( "\n-  " ).append( entry.getKey() ).append( ": '" ).append( entry.getValue() ).append( "'" );
            }

            throw new MojoExecutionException( buffer.toString() );
        }

        forkHasRun = true;
    }

    protected MavenProject getMainProject()
    {
        return project;
    }

    protected MavenProject getExecutionProject()
    {
        return executionProject;
    }

    protected abstract MavenProject getTestProject();

    protected abstract String getTestProjectLabel();

    private void checkListOfPaths( List paths, String base, String label, Map failedPaths )
    {
        if ( paths != null && !paths.isEmpty() )
        {
            for ( int i = 0; i < paths.size(); i++ )
            {
                String root = (String) paths.get( i );
                if ( !root.startsWith( base ) )
                {
                    failedPaths.put( label + "[" + i + "]", root );
                }
            }
        }
    }
}