001package org.apache.maven.project.harness;
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 java.io.File;
023import java.util.Iterator;
024
025import org.apache.commons.jxpath.JXPathContext;
026import org.apache.commons.jxpath.JXPathNotFoundException;
027import org.apache.commons.jxpath.ri.JXPathContextReferenceImpl;
028import org.apache.maven.project.MavenProject;
029
030public class PomTestWrapper
031{
032
033    private File pomFile;
034
035    private JXPathContext context;
036
037    private MavenProject mavenProject;
038
039    static
040    {
041        JXPathContextReferenceImpl.addNodePointerFactory( new Xpp3DomPointerFactory() );
042    }
043
044    public PomTestWrapper( File pomFile, MavenProject mavenProject )
045    {
046        if ( mavenProject == null )
047        {
048            throw new IllegalArgumentException( "mavenProject: null" );
049        }
050        this.mavenProject = mavenProject;
051        this.pomFile = pomFile;
052        context = JXPathContext.newContext( mavenProject.getModel() );
053    }
054
055    public PomTestWrapper( MavenProject mavenProject )
056    {
057        if ( mavenProject == null )
058        {
059            throw new IllegalArgumentException( "mavenProject: null" );
060        }
061        this.mavenProject = mavenProject;
062        context = JXPathContext.newContext( mavenProject.getModel() );
063    }
064
065    public MavenProject getMavenProject()
066    {
067        return mavenProject;
068    }
069
070    public File getBasedir()
071    {
072        return ( pomFile != null ) ? pomFile.getParentFile() : null;
073    }
074
075    public void setValueOnModel( String expression, Object value )
076    {
077        context.setValue( expression, value );
078    }
079
080    /*
081    public int containerCountForUri( String uri )
082        throws IOException
083    {
084        if ( uri == null || uri.trim().equals( "" ) )
085        {
086            throw new IllegalArgumentException( "uri: null or empty" );
087        }
088        ModelDataSource source = new DefaultModelDataSource();
089        source.init( domainModel.getModelProperties(), null );
090        return source.queryFor( uri ).size();
091    }
092        */
093
094        public Iterator<?> getIteratorForXPathExpression( String expression )
095    {
096        return context.iterate( expression );
097    }
098
099    public boolean containsXPathExpression( String expression )
100    {
101        return context.getValue( expression ) != null;
102    }
103
104    public Object getValue( String expression )
105    {
106        try
107        {
108            return context.getValue( expression );
109        }
110        catch ( JXPathNotFoundException e )
111        {
112            return null;
113        }
114    }
115
116    public boolean xPathExpressionEqualsValue( String expression, String value )
117    {
118        return context.getValue( expression ) != null && context.getValue( expression ).equals( value );
119    }
120
121}