001package org.apache.maven.lifecycle; 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.IOException; 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.plugin.MojoExecution; 029import org.apache.maven.project.harness.Xpp3DomPointerFactory; 030 031public class MojoExecutionXPathContainer 032{ 033 private JXPathContext context; 034 035 static 036 { 037 JXPathContextReferenceImpl.addNodePointerFactory( new Xpp3DomPointerFactory() ); 038 } 039 040 public MojoExecutionXPathContainer( MojoExecution mojoExecution ) 041 throws IOException 042 { 043 context = JXPathContext.newContext( mojoExecution ); 044 } 045 046 public Iterator<?> getIteratorForXPathExpression( String expression ) 047 { 048 return context.iterate( expression ); 049 } 050 051 public boolean containsXPathExpression( String expression ) 052 { 053 return context.getValue( expression ) != null; 054 } 055 056 public Object getValue( String expression ) 057 { 058 try 059 { 060 return context.getValue( expression ); 061 } 062 catch ( JXPathNotFoundException e ) 063 { 064 return null; 065 } 066 } 067 068 public boolean xPathExpressionEqualsValue( String expression, String value ) 069 { 070 return context.getValue( expression ) != null && context.getValue( expression ).equals( value ); 071 } 072}