/**
* 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.
*/
package org.apache.cxf.maven_plugin.jdee;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import org.apache.commons.io.FileUtils;
import org.apache.cxf.tools.wsdlto.core.VelocityWriter;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
/**
* A super-simple Mojo to emit JDEE project files.
*
* @goal jdee
* @description Outputs a JDEE project file.
* @requiresDependencyResolution test
*/
// TODO:
// * include the generated srouce root
//
public class JdeeMojo extends AbstractMojo {
/**
* The Maven Project.
*
* @parameter expression="${project}"
* @required
* @readonly
*/
protected MavenProject project;
/**
* @component
*/
protected ArtifactFactory artifactFactory;
/**
* Build directory
*
* @parameter expression="${project.build.outputDirectory}"
* @required
*/
private File buildDirectory;
/**
* The set of dependencies required by the project
* @parameter default-value="${project.artifacts}"
* @required
* @readonly
*/
private java.util.Set dependencies;
private String getVelocityLogFile(String log) {
return new File(buildDirectory, log).toString();
}
@SuppressWarnings("unchecked")
private Set<String> getSourceDirs() throws Exception {
Set<String> results = new HashSet<String>();
File file = new File(".jdee_sources");
if (file.exists()) {
results.addAll(FileUtils.readLines(file));
} else {
file.createNewFile();
}
results.addAll(emitPaths(project.getCompileSourceRoots()));
results.addAll(emitPaths(project.getTestCompileSourceRoots()));
FileUtils.writeLines(file, results);
return results;
}
@SuppressWarnings("unchecked")
private Set<String> getGlobalClasspath() throws Exception {
Set<String> results = new HashSet<String>();
File file = new File(".jdee_classpath");
if (file.exists()) {
results.addAll(FileUtils.readLines(file));
} else {
file.createNewFile();
}
results.addAll(emitPaths(project.getCompileClasspathElements()));
results.addAll(emitPaths(project.getTestClasspathElements()));
results.addAll(emitPaths(project.getSystemClasspathElements()));
results.addAll(getDependencies());
FileUtils.writeLines(file, results);
return results;
}
private Set<String> getDependencies() throws Exception {
Set<String> results = new HashSet<String>();
if (dependencies != null && !dependencies.isEmpty()) {
for (Iterator it = dependencies.iterator(); it.hasNext();) {
Artifact artifact = (Artifact)it.next();
results.add(artifact.getFile().toString().replace("\\", "/"));
}
}
return results;
}
private Set<String> emitPaths(List paths) throws IOException {
Set<String> np = new HashSet<String>();
for (Object path : paths) {
np.add(path.toString().replace("\\", "/"));
}
return np;
}
// TODO: Reuse the velocity in the tools
private void initVelocity() throws Exception {
Properties props = new Properties();
String clzName = "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader";
props.put("resource.loader", "class");
props.put("class.resource.loader.class", clzName);
props.put("runtime.log", getVelocityLogFile("velocity.log"));
Velocity.init(props);
}
private void generatePrj() throws Exception {
initVelocity();
String templateFile = "/org/apache/cxf/maven_plugin/jdee/prj.vm";
Template tmpl = Velocity.getTemplate(templateFile);
if (tmpl == null) {
throw new RuntimeException("Can not load template file: " + templateFile);
}
File outputFile = new File("prj.el");
VelocityContext ctx = new VelocityContext();
ctx.put("SOURCE_DIRS", getSourceDirs());
ctx.put("GLOBAL_CP", getGlobalClasspath());
Writer outputs = new OutputStreamWriter(new BufferedOutputStream(new FileOutputStream(outputFile)),
"UTF-8");
VelocityWriter writer = new VelocityWriter(outputs);
tmpl.merge(ctx, writer);
writer.close();
}
public void execute() throws MojoExecutionException {
try {
generatePrj();
} catch (Exception e) {
getLog().debug(e);
throw new MojoExecutionException(e.getMessage(), e);
}
}
}