org.clickframes.engine.AppspecWorker2.java Source code

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Here is the source code for org.clickframes.engine.AppspecWorker2.java

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/*
 * Clickframes: Full lifecycle software development automation.
 * Copyright (C)  2009 Children's Hospital Boston
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

package org.clickframes.engine;

import java.io.IOException;
import java.util.Map;
import java.util.concurrent.Callable;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.clickframes.techspec.Techspec;
import org.clickframes.util.VelocityCodeGenerator;

/**
 * Thread wrapper for CodeGenerator calls. Allows us to generate templates in
 * parallel.
 * 
 * @author Steven Boscarine
 * @author Vineet Manohar
 */
public class AppspecWorker2 implements Callable<Boolean> {
    private final Log logger = LogFactory.getLog(getClass());

    private final String filename;
    private final String outputPath;
    private final String templatePath;
    private final boolean ignore;
    private final Map<String, Object> params;

    public AppspecWorker2(String filename, String relativePath, String templatePath, Map<String, Object> params) {
        super();

        // example values:
        // templatePath =
        // /clickframes/seam/autoscan/src/main/java/${packagePath}/controller/
        // EmailController.java.vm,

        // relativePath = src/main/java/demo/controller/,

        // filename = EmailController.java.vm }

        this.templatePath = cleanTemplatePath(templatePath);
        this.ignore = isIgnore(filename);
        this.filename = cleanFilename(filename);
        this.params = params;
        outputPath = relativePath + this.filename;
        if (outputPath.contains("${")) {
            throw new RuntimeException(outputPath + " has unparsed tokens.  Your engine has failed.");
        }
    }

    private String cleanTemplatePath(String templatePath) {
        if (templatePath.startsWith("/")) {
            return templatePath;
        }
        return "/" + templatePath;
    }

    private static String cleanFilename(String in) {
        if (in.endsWith(".vm")) {
            return in.substring(0, in.length() - 3);
        } else if (in.endsWith(".ignore")) {
            return in.substring(0, in.length() - 7);
        }
        return in;
    }

    private static boolean isIgnore(String in) {
        return in.endsWith(".ignore");
    }

    @Override
    public Boolean call() {
        try {
            callSync();

            return true;
        } catch (Throwable t) {
            logger.error("Template call failed for template: " + templatePath, t);
            return false;
        }
    }

    public void callSync() throws IOException {
        // logger.debug("Processing template: " + templatePath);
        if (!ignore) {
            VelocityCodeGenerator.generateFromTemplate(params, filename, templatePath, outputPath);
        } else {
            Techspec techspec = (Techspec) params.get("techspec");
            VelocityCodeGenerator.generateIgnoredFile(techspec, filename, templatePath, outputPath);
        }
        // logger.debug("Processed template: " + templatePath);
    }
}