TextResourcesGenerator.java

/*
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 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
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 * file and include the License file at packager/legal/LICENSE.txt.
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package org.glassfish.admin.rest.generator;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Date;
import java.util.logging.Level;
import org.glassfish.admin.rest.RestLogging;

import org.glassfish.hk2.api.ServiceLocator;

/**
 * @author Mitesh Meswani
 */
public class TextResourcesGenerator extends ResourcesGeneratorBase {

    /* The absolute path to dir where resources are generated */
    private File generationDir;

    public TextResourcesGenerator(String outputDir, ServiceLocator habitat) {
        super(habitat);
        generationDir= new File(outputDir);
        if (!generationDir.mkdirs()) {
            throw new RuntimeException("Unable to create output directory: " + outputDir);
        }
    }
    
    @Override
    public ClassWriter getClassWriter(String className, String baseClassName, String resourcePath) {
        ClassWriter writer = null;
        try {
            writer = new TextClassWriter( habitat ,generationDir, className, baseClassName, resourcePath);
        } catch (IOException e) {
            // Log the root cause. The generation is going to fail with NPE.
            RestLogging.restLogger.log(Level.SEVERE, e.getMessage());
            throw new GeneratorException(e);
        }
        return writer;
    }

    @Override
    public String endGeneration() {
        //generate date info in 1 single file
        File file = new File(generationDir+ "/codegeneration.properties");
        BufferedWriter out = null;
        try {
            if (file.createNewFile()) {
                FileWriter fstream = new FileWriter(file);
                out = new BufferedWriter(fstream);
                out.write("generation_date=" + new Date() + "\n");
            } else {
                RestLogging.restLogger.log(Level.SEVERE, RestLogging.FILE_CREATION_FAILED, "codegeneration.properties");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (out != null) {
                try {
                    out.close();
                } catch (IOException ex) {
                    RestLogging.restLogger.log(Level.SEVERE, null, ex);
                }
            }
        }

        return  "Code Generation done at : " + generationDir;
    }

    @Override
    protected boolean alreadyGenerated(String className) {
        return false; // Always generate. It just overwrites the file.
    }
}