Java tutorial
package org.apache.maven.project.harness; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.io.File; import java.util.Iterator; import org.apache.commons.jxpath.JXPathContext; import org.apache.commons.jxpath.JXPathNotFoundException; import org.apache.commons.jxpath.ri.JXPathContextReferenceImpl; import org.apache.commons.lang3.Validate; import org.apache.maven.project.MavenProject; public class PomTestWrapper { private File pomFile; private JXPathContext context; private MavenProject mavenProject; static { JXPathContextReferenceImpl.addNodePointerFactory(new Xpp3DomPointerFactory()); } public PomTestWrapper(File pomFile, MavenProject mavenProject) { this.mavenProject = Validate.notNull(mavenProject, "mavenProject cannot be null"); this.pomFile = pomFile; context = JXPathContext.newContext(mavenProject.getModel()); } public PomTestWrapper(MavenProject mavenProject) { this.mavenProject = Validate.notNull(mavenProject, "mavenProject cannot be null"); context = JXPathContext.newContext(mavenProject.getModel()); } public MavenProject getMavenProject() { return mavenProject; } public File getBasedir() { return (pomFile != null) ? pomFile.getParentFile() : null; } public void setValueOnModel(String expression, Object value) { context.setValue(expression, value); } /* public int containerCountForUri( String uri ) throws IOException { Validate.notEmpty( uri, "uri can neither be null nor empty " ); ModelDataSource source = new DefaultModelDataSource(); source.init( domainModel.getModelProperties(), null ); return source.queryFor( uri ).size(); } */ public Iterator<?> getIteratorForXPathExpression(String expression) { return context.iterate(expression); } public boolean containsXPathExpression(String expression) { return context.getValue(expression) != null; } public Object getValue(String expression) { try { return context.getValue(expression); } catch (JXPathNotFoundException e) { return null; } } public boolean xPathExpressionEqualsValue(String expression, String value) { return context.getValue(expression) != null && context.getValue(expression).equals(value); } }