com.marvelution.maven.components.jar.identification.exposer.EnhancedEmbeddedMavenModelExposer Maven / Gradle / Ivy

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/*
 * Licensed to Marvelution under one or more contributor license 
 * agreements.  See the NOTICE file distributed with this work 
 * for additional information regarding copyright ownership.
 * Marvelution 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.
 */

package com.marvelution.maven.components.jar.identification.exposer;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.List;
import java.util.Properties;
import java.util.jar.JarEntry;
import java.util.regex.Pattern;

import org.apache.maven.model.Model;
import org.apache.maven.model.Organization;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.apache.maven.shared.jar.JarAnalyzer;
import org.apache.maven.shared.jar.identification.JarIdentification;
import org.apache.maven.shared.jar.identification.JarIdentificationExposer;
import org.codehaus.plexus.logging.AbstractLogEnabled;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

import com.marvelution.utils.StringUtils;

/**
 * Enhanced Embedded Mavel Model exposer for {@link JarIdentificationAnalysis}
 * 
 * Note: If not using Plexus, the following must be set before executing
 * {@link #expose(JarIdentification, JarAnalyzer)}:
 * 

 * the {@link Logger} implementation using method {@link #enableLogging(org.codehaus.plexus.logging.Logger)}
 * 
 * 
 * 
 * @author Mark Rekveld
 */
public class EnhancedEmbeddedMavenModelExposer extends AbstractLogEnabled implements JarIdentificationExposer {

	/**
	 * pom.properties pattern
	 */
	private static final Pattern MAVEN_POM_PROPERTIES_FILTER = Pattern.compile("META-INF/maven/.*/pom\\.properties$");

	/**
	 * {@inheritDoc}
	 */
	public void expose(JarIdentification identification, JarAnalyzer jarAnalyzer) {
		List entries = jarAnalyzer.getMavenPomEntries();
		if (!entries.isEmpty()) {
			getLogger().debug("Exposing Jar Identification using Enhanced Embedded Maven Model Exposer");
			exposeByXml(identification, jarAnalyzer);
		}
		entries = jarAnalyzer.filterEntries(MAVEN_POM_PROPERTIES_FILTER);
		if (!entries.isEmpty()) {
			getLogger().debug("Exposing Jar Identification using Enhanced Embedded Maven Model Properties Exposer");
			exposeByProperties(identification, jarAnalyzer);
		}
	}

	/**
	 * Exposer that will read the pom.xml file in the JarFile
	 * 
	 * @param identification the {@link JarIdentification}
	 * @param jarAnalyzer the {@link JarAnalyzer}
	 */
	private void exposeByXml(JarIdentification identification, JarAnalyzer jarAnalyzer) {
		final List entries = jarAnalyzer.getMavenPomEntries();
		if (entries.size() > 1) {
			getLogger().warn(
				"More than one Maven model entry was found in the JAR, using only the first of: " + entries);
		}
		final JarEntry pom = (JarEntry) entries.get(0);
		final MavenXpp3Reader pomreader = new MavenXpp3Reader();
		InputStream inputStream = null;
		try {
			inputStream = jarAnalyzer.getEntryInputStream(pom);
			final InputStreamReader isreader = new InputStreamReader(inputStream);
			final Model model = pomreader.read(isreader);

			identification.addAndSetGroupId(model.getGroupId());
			if (StringUtils.isEmpty(model.getGroupId()) && model.getParent() != null
				&& StringUtils.isNotEmpty(model.getParent().getGroupId())) {
				identification.addAndSetGroupId(model.getParent().getGroupId());
			}
			identification.addAndSetArtifactId(model.getArtifactId());
			identification.addAndSetVersion(model.getVersion());
			identification.addAndSetName(model.getName());

			if (StringUtils.isEmpty(model.getName())) {
				identification.addAndSetName(model.getArtifactId());
			}

			final Organization org = model.getOrganization();
			if (org != null) {
				identification.addAndSetVendor(org.getName());
			}
		} catch (IOException e) {
			getLogger().error("Unable to read model " + pom.getName() + " in " + jarAnalyzer.getFile() + ".", e);
		} catch (XmlPullParserException e) {
			getLogger().error("Unable to parse model " + pom.getName() + " in " + jarAnalyzer.getFile() + ".", e);
		} finally {
			IOUtil.close(inputStream);
		}
	}

	/**
	 * Exposer that will read the pom.properties file in the JarFile
	 * 
	 * @param identification the {@link JarIdentification}
	 * @param jarAnalyzer the {@link JarAnalyzer}
	 */
	private void exposeByProperties(JarIdentification identification, JarAnalyzer jarAnalyzer) {
		final List entries = jarAnalyzer.filterEntries(MAVEN_POM_PROPERTIES_FILTER);
		if (entries.size() > 1) {
			getLogger().warn(
				"More than one Maven model properties entry was found in the JAR, using only the first of: "
					+ entries);
		}
		final JarEntry pom = (JarEntry) entries.get(0);
		InputStream inputStream = null;
		try {
			inputStream = jarAnalyzer.getEntryInputStream(pom);
			final Properties props = new Properties();
			props.load(inputStream);
			identification.addAndSetGroupId(props.getProperty("groupId"));
			identification.addAndSetArtifactId(props.getProperty("artifactId"));
			identification.addAndSetVersion(props.getProperty("version"));
		} catch (IOException e) {
			getLogger().error(
				"Unable to read model properties " + pom.getName() + " in " + jarAnalyzer.getFile() + ".", e);
		} finally {
			IOUtil.close(inputStream);
		}
	}

}