001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    
023    package org.granite.generator.ant;
024    
025    import java.io.PrintWriter;
026    import java.io.StringWriter;
027    
028    import org.apache.tools.ant.Project;
029    import org.apache.tools.ant.Task;
030    import org.granite.generator.Input;
031    import org.granite.generator.Listener;
032    import org.granite.generator.Output;
033    
034    /**
035     * @author Franck WOLFF
036     */
037    public class AntListener implements Listener {
038    
039        private final Task task;
040    
041        public AntListener(Task task) {
042            this.task = task;
043        }
044    
045            @Override
046            public void generating(Input<?> input, Output<?> output) {
047                    log("  Generating: " + output.getDescription() + " (" + output.getMessage() + ")", Project.MSG_INFO, null);
048            }
049    
050            @Override
051            public void generating(String file, String message) {
052                    log("  Generating: " + file + " (" + message + ")", Project.MSG_INFO, null);
053            }
054    
055            @Override
056            public void removing(Input<?> input, Output<?> output) {
057            }
058    
059            @Override
060            public void removing(String file, String message) {
061            }
062    
063            @Override
064            public void skipping(Input<?> input, Output<?> output) {
065                    log("  Skipping: " + output.getDescription() + " (" + output.getMessage() + ")", Project.MSG_DEBUG, null);
066            }
067    
068            @Override
069            public void skipping(String file, String message) {
070                    log("  Skipping: " + file + " (" + message + ")", Project.MSG_DEBUG, null);
071            }
072    
073            @Override
074            public void debug(String message) {
075            log(message, Project.MSG_DEBUG, null);
076            }
077    
078            @Override
079            public void debug(String message, Throwable t) {
080            log(message, Project.MSG_DEBUG, t);
081            }
082    
083        @Override
084            public void info(String message) {
085            log(message, Project.MSG_INFO, null);
086        }
087        @Override
088            public void info(String message, Throwable t) {
089            log(message, Project.MSG_INFO, t);
090        }
091    
092        @Override
093            public void warn(String message) {
094            log(message, Project.MSG_WARN, null);
095        }
096        @Override
097            public void warn(String message, Throwable t) {
098            log(message, Project.MSG_WARN, t);
099        }
100    
101        @Override
102            public void error(String message) {
103            log(message, Project.MSG_ERR, null);
104        }
105        @Override
106            public void error(String message, Throwable t) {
107            log(message, Project.MSG_ERR, t);
108        }
109    
110        private void log(String message, int level, Throwable t) {
111            if (t != null)
112                message += "\n" + getStackTrace(t);
113            task.log(message, level);
114        }
115    
116        private static String getStackTrace(Throwable t) {
117            StringWriter sw = new StringWriter();
118            PrintWriter pw = new PrintWriter(sw);
119            t.printStackTrace(pw);
120            return sw.toString();
121        }
122    }