001 package 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 */ 021 022 import java.io.IOException; 023 import java.util.Iterator; 024 025 import org.apache.commons.jxpath.JXPathContext; 026 import org.apache.commons.jxpath.JXPathNotFoundException; 027 import org.apache.commons.jxpath.ri.JXPathContextReferenceImpl; 028 import org.apache.maven.plugin.MojoExecution; 029 import org.apache.maven.project.harness.Xpp3DomPointerFactory; 030 031 public class MojoExecutionXPathContainer 032 { 033 private JXPathContext context; 034 035 private MojoExecution mojoExecution; 036 037 static 038 { 039 JXPathContextReferenceImpl.addNodePointerFactory( new Xpp3DomPointerFactory() ); 040 } 041 042 public MojoExecutionXPathContainer( MojoExecution mojoExecution ) 043 throws IOException 044 { 045 this.mojoExecution = mojoExecution; 046 context = JXPathContext.newContext( mojoExecution ); 047 } 048 049 public Iterator<?> getIteratorForXPathExpression( String expression ) 050 { 051 return context.iterate( expression ); 052 } 053 054 public boolean containsXPathExpression( String expression ) 055 { 056 return context.getValue( expression ) != null; 057 } 058 059 public Object getValue( String expression ) 060 { 061 try 062 { 063 return context.getValue( expression ); 064 } 065 catch ( JXPathNotFoundException e ) 066 { 067 return null; 068 } 069 } 070 071 public boolean xPathExpressionEqualsValue( String expression, String value ) 072 { 073 return context.getValue( expression ) != null && context.getValue( expression ).equals( value ); 074 } 075 }