npanday.plugin.MavenProjectConfigurationAppender.java Source code

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Here is the source code for npanday.plugin.MavenProjectConfigurationAppender.java

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package npanday.plugin;

/*
 * 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 org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.Document;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
import org.codehaus.plexus.util.IOUtil;

import java.io.StringWriter;
import java.io.IOException;
import java.io.File;
import java.io.FileOutputStream;

@ConfigurationAppenderAnnotation(targetClassName = "org.apache.maven.project.MavenProject")
public class MavenProjectConfigurationAppender implements ConfigurationAppender {
    public void append(Document document, Element element, FieldInfo fieldInfo) throws MojoExecutionException {
        Object value = fieldInfo.getValue();
        if (!(value instanceof MavenProject)) {
            throw new MojoExecutionException("");
        }
        File mavenProjectFile = writeMavenProjectToTempFile((MavenProject) value);
        Node mavenProjectFileNode = document.createElement("mavenProject");
        mavenProjectFileNode.setTextContent(mavenProjectFile.getAbsolutePath());
        element.appendChild(mavenProjectFileNode);
    }

    private String ToString(MavenProject mavenProject) {
        StringWriter stringWriter = new StringWriter();
        try {
            new MavenXpp3Writer().write(stringWriter, mavenProject.getModel());
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            IOUtil.close(stringWriter);
        }
        return stringWriter.getBuffer().toString().replaceFirst("<project>",
                "<project xmlns=\"http://maven.apache.org/POM/4.0.0\">");
    }

    public File writeMavenProjectToTempFile(MavenProject project) {
        String p = ToString(project);
        try {
            File tempFile = File.createTempFile("MavenProject", ".xml");
            FileOutputStream fos = new FileOutputStream(tempFile);
            fos.write(p.getBytes());
            fos.close();
            return tempFile;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
}