001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.generator.ant;
022    
023    import java.io.PrintWriter;
024    import java.io.StringWriter;
025    
026    import org.apache.tools.ant.Project;
027    import org.apache.tools.ant.Task;
028    import org.granite.generator.Input;
029    import org.granite.generator.Listener;
030    import org.granite.generator.Output;
031    
032    /**
033     * @author Franck WOLFF
034     */
035    public class AntListener implements Listener {
036    
037        private final Task task;
038    
039        public AntListener(Task task) {
040            this.task = task;
041        }
042    
043            @Override
044            public void generating(Input<?> input, Output<?> output) {
045                    log("  Generating: " + output.getDescription() + " (" + output.getMessage() + ")", Project.MSG_INFO, null);
046            }
047    
048            @Override
049            public void generating(String file, String message) {
050                    log("  Generating: " + file + " (" + message + ")", Project.MSG_INFO, null);
051            }
052    
053            @Override
054            public void removing(Input<?> input, Output<?> output) {
055            }
056    
057            @Override
058            public void removing(String file, String message) {
059            }
060    
061            @Override
062            public void skipping(Input<?> input, Output<?> output) {
063                    log("  Skipping: " + output.getDescription() + " (" + output.getMessage() + ")", Project.MSG_DEBUG, null);
064            }
065    
066            @Override
067            public void skipping(String file, String message) {
068                    log("  Skipping: " + file + " (" + message + ")", Project.MSG_DEBUG, null);
069            }
070    
071            @Override
072            public void debug(String message) {
073            log(message, Project.MSG_DEBUG, null);
074            }
075    
076            @Override
077            public void debug(String message, Throwable t) {
078            log(message, Project.MSG_DEBUG, t);
079            }
080    
081        @Override
082            public void info(String message) {
083            log(message, Project.MSG_INFO, null);
084        }
085        @Override
086            public void info(String message, Throwable t) {
087            log(message, Project.MSG_INFO, t);
088        }
089    
090        @Override
091            public void warn(String message) {
092            log(message, Project.MSG_WARN, null);
093        }
094        @Override
095            public void warn(String message, Throwable t) {
096            log(message, Project.MSG_WARN, t);
097        }
098    
099        @Override
100            public void error(String message) {
101            log(message, Project.MSG_ERR, null);
102        }
103        @Override
104            public void error(String message, Throwable t) {
105            log(message, Project.MSG_ERR, t);
106        }
107    
108        private void log(String message, int level, Throwable t) {
109            if (t != null)
110                message += "\n" + getStackTrace(t);
111            task.log(message, level);
112        }
113    
114        private static String getStackTrace(Throwable t) {
115            StringWriter sw = new StringWriter();
116            PrintWriter pw = new PrintWriter(sw);
117            t.printStackTrace(pw);
118            return sw.toString();
119        }
120    }