rempl-maven-plugin-1.1.1.src.main.java.com.rempl.maven.ReaderMojo Maven / Gradle / Ivy

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Reverse Engineering Meta Programming Library (REMPL) that enables manipulations with source code meta constructs, like classes, methods, files, packages, etc. in runtime.

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/**
 * Copyright (c) 2011, REMPL.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1) Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 2) Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided
 * with the distribution.
 * 3) Neither the name of the REMPL.com nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.rempl.maven;

// REMPL API from com.rempl:rempl-api
import com.rempl.api.Model;

// for file management
import java.io.File;
import java.io.FileWriter;
import java.io.Writer;

// MOJO API
import org.apache.maven.plugin.MojoExecutionException;

/**
 * Maven Object Java Object (MOJO), plugin entry point.
 *
 * @author Yegor Bugayenko ([email protected])
 * @version $Id: Main.java 42 2010-12-17 16:16:55Z [email protected] $
 * @goal read
 * @phase generate-test-resources
 */
public class ReaderMojo extends AbstractRemplMojo {

    /**
     * {@inheritDoc}
     */
    @Override
    protected final void run() throws MojoExecutionException {
        this.getLog().info("Reading started");
        final Model model = this.model();
        final File xmi = this.xmiForWriting();
        Writer writer;
        try {
            writer = new FileWriter(xmi);
        } catch (java.io.IOException ex) {
            throw new MojoExecutionException("IO failure", ex);
        }
        Exception failure = null;
        try {
            model.save(writer);
        } catch (java.io.IOException ex) {
            failure = ex;
        }
        try {
            writer.close();
        } catch (java.io.IOException ex) {
            failure = ex;
        }
        if (failure != null) {
            throw new MojoExecutionException("Failed to save XMI", failure);
        }
        this.getLog().debug("XMI saved to: " + xmi);
        this.getLog().info("Reading finished");
    }

    /**
     * Read model instance.
     * @return The model just read
     * @throws MojoExecutionException If something goes wrong
     */
    private Model model() throws MojoExecutionException {
        Model model;
        try {
            model = this.rempler().read();
        } catch (java.io.IOException ex) {
            throw new MojoExecutionException("Failed to read", ex);
        }
        this.getLog().debug("Model built");
        return model;
    }

}