org.jboss.maven.plugins.qstools.checkers.DuplicatePropertiesChecker Maven / Gradle / Ivy

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This a Maven Plugin that helps JBoss Developer quickstarts maintenance. You can use it to verify if your project/quickstart follow the JBoss Developer Guidelines. It will run all JBoss Developer Guideline checkers and generate a report that provides information about any violations that your project/quickstarts has.

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the 
 * distribution for a full listing of individual contributors.
 *
 * 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.
 */
package org.jboss.maven.plugins.qstools.checkers;

import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.xml.xpath.XPathConstants;

import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.component.annotations.Component;
import org.jboss.maven.plugins.qstools.QSChecker;
import org.jboss.maven.plugins.qstools.Violation;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * @author Rafael Benevides
 * 
 */
@Component(role = QSChecker.class, hint = "duplicatePropertiesChecker")
public class DuplicatePropertiesChecker extends AbstractProjectChecker {

    /*
     * (non-Javadoc)
     * 
     * @see org.jboss.maven.plugins.qstools.QSChecker#getCheckerDescription()
     */
    @Override
    public String getCheckerDescription() {
        return "Verifies if the POM has duplicate declared property";
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.jboss.maven.plugins.qstools.checkers.AbstractPomChecker#processProject(org.apache.maven.project.MavenProject,
     * org.w3c.dom.Document, java.util.Map)
     */
    @Override
    public void processProject(MavenProject project, Document doc, Map> results) throws Exception {
        NodeList properties = (NodeList) getxPath().evaluate("/project/properties/*", doc, XPathConstants.NODESET);
        Set declaredProperties = new HashSet();
        for (int x = 0; x < properties.getLength(); x++) {
            Node property = properties.item(x);
            String propertyName = property.getNodeName();
            int lineNumber = getLineNumberFromNode(property);
            if (!declaredProperties.add(propertyName)) { // return false if already exists
                String msg = "Property [%s] is declared more than once";
                addViolation(project.getFile(), results, lineNumber, String.format(msg, propertyName));
            }
        }
    }

}