AntListener.java

/**
 *   GRANITE DATA SERVICES
 *   Copyright (C) 2006-2015 GRANITE DATA SERVICES S.A.S.
 *
 *   This file is part of the Granite Data Services Platform.
 *
 *   Granite Data Services 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.
 *
 *   Granite Data Services 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, or see <http://www.gnu.org/licenses/>.
 */
package org.granite.generator.ant;

import java.io.PrintWriter;
import java.io.StringWriter;

import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.granite.generator.Input;
import org.granite.generator.Listener;
import org.granite.generator.Output;

/**
 * @author Franck WOLFF
 */
public class AntListener implements Listener {

    private final Task task;

    public AntListener(Task task) {
        this.task = task;
    }

	@Override
	public void generating(Input<?> input, Output<?> output) {
		log("  Generating: " + output.getDescription() + " (" + output.getMessage() + ")", Project.MSG_INFO, null);
	}

	@Override
	public void generating(String file, String message) {
		log("  Generating: " + file + " (" + message + ")", Project.MSG_INFO, null);
	}

	@Override
	public void removing(Input<?> input, Output<?> output) {
	}

	@Override
	public void removing(String file, String message) {
	}

	@Override
	public void skipping(Input<?> input, Output<?> output) {
		log("  Skipping: " + output.getDescription() + " (" + output.getMessage() + ")", Project.MSG_DEBUG, null);
	}

	@Override
	public void skipping(String file, String message) {
		log("  Skipping: " + file + " (" + message + ")", Project.MSG_DEBUG, null);
	}

	@Override
	public void debug(String message) {
        log(message, Project.MSG_DEBUG, null);
	}

	@Override
	public void debug(String message, Throwable t) {
        log(message, Project.MSG_DEBUG, t);
	}

    @Override
	public void info(String message) {
        log(message, Project.MSG_INFO, null);
    }
    @Override
	public void info(String message, Throwable t) {
        log(message, Project.MSG_INFO, t);
    }

    @Override
	public void warn(String message) {
        log(message, Project.MSG_WARN, null);
    }
    @Override
	public void warn(String message, Throwable t) {
        log(message, Project.MSG_WARN, t);
    }

    @Override
	public void error(String message) {
        log(message, Project.MSG_ERR, null);
    }
    @Override
	public void error(String message, Throwable t) {
        log(message, Project.MSG_ERR, t);
    }

    private void log(String message, int level, Throwable t) {
        if (t != null)
            message += "\n" + getStackTrace(t);
        task.log(message, level);
    }

    private static String getStackTrace(Throwable t) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        t.printStackTrace(pw);
        return sw.toString();
    }
}