org.jboss.maven.plugins.qstools.checkers.MavenCompilerChecker 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.List;
import java.util.Map;

import javax.xml.xpath.XPathConstants;

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

/**
 * @author Rafael Benevides
 * 
 */
@Component(role = QSChecker.class, hint = "mavenCompilerChecker")
public class MavenCompilerChecker extends AbstractBaseCheckerAdapter {

    /*
     * (non-Javadoc)
     * 
     * @see org.jboss.maven.plugins.qstools.QSChecker#getCheckerDescription()
     */
    @Override
    public String getCheckerDescription() {
        return "Check for the right usage of maven-compile-plugin";
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.jboss.maven.plugins.qstools.checkers.AbstractProjectChecker#processProject(org.apache.maven.project.MavenProject,
     * org.w3c.dom.Document, java.util.Map)
     */
    @Override
    public void checkProject(MavenProject project, Document doc, Map> results) throws Exception {
        String compilerSource = getConfigurationProvider().getQuickstartsRules(project.getGroupId()).getExpectedCompilerSource();
        String target = project.getProperties().getProperty("maven.compiler.target");
        String compiler = project.getProperties().getProperty("maven.compiler.source");
        if (target == null || compiler == null) {
            addViolation(project.getFile(), results, 1, "pom.xml should define  and  properties");
        } else if (!target.equals(compilerSource) || !compiler.equals(compilerSource)) {
            addViolation(project.getFile(), results, 1, " and  should be set to " + compilerSource);
        }
        Node compilerNode = (Node) getxPath().evaluate("/project/build/plugins/plugin[artifactId='maven-compiler-plugin']", doc, XPathConstants.NODE);
        Node compilerConfigNode = (Node) getxPath().evaluate("/project/build/plugins/plugin[artifactId='maven-compiler-plugin']/./configuration", doc, XPathConstants.NODE);
        int lineNumber = compilerConfigNode == null ? -1 : XMLUtil.getLineNumberFromNode(compilerConfigNode);
        if (compilerNode != null && compilerConfigNode == null) {
            addViolation(project.getFile(), results, lineNumber, "You should NOT declare 'maven-compile-plugin' without any configuration");
        } else if (compilerConfigNode != null) {
            NodeList configs = compilerConfigNode.getChildNodes();
            for (int i = 0; i < configs.getLength(); i++) {
                Node config = configs.item(i);
                if (config.getNodeName().equals("source") || config.getNodeName().equals("target")) {
                    lineNumber = compilerConfigNode == null ? -1 : XMLUtil.getLineNumberFromNode(config);
                    addViolation(project.getFile(), results, lineNumber, "You should not define 'source' or 'target' for 'maven-compiler-plugin'");
                }
            }
        }
    }

}