runtime/org.argeo.slc.support.ant/src/main/java/org/argeo/slc/ant/AntRun.java

   1 package org.argeo.slc.ant;
   2
   3 import java.io.File;
   4 import java.util.ArrayList;
   5 import java.util.HashMap;
   6 import java.util.List;
   7 import java.util.Map;
   8 import java.util.Vector;
   9
  10 import org.apache.commons.logging.Log;
  11 import org.apache.commons.logging.LogFactory;
  12 import org.apache.tools.ant.BuildEvent;
  13 import org.apache.tools.ant.BuildListener;
  14 import org.apache.tools.ant.Project;
  15 import org.apache.tools.ant.ProjectHelper;
  16 import org.apache.tools.ant.helper.ProjectHelper2;
  17 import org.argeo.slc.SlcException;
  18 import org.springframework.core.io.Resource;
  19
  20 public class AntRun implements Runnable {
  21         private final static Log log = LogFactory.getLog(AntRun.class);
  22
  23         private Resource buildFile;
  24
  25         private List<String> targets = new ArrayList<String>();
  26         private Map<Object, Object> properties = new HashMap<Object, Object>();
  27
  28         public void run() {
  29                 Project project = new Project();
  30
  31                 try {
  32                         String path = buildFile.getURL().getPath();
  33                         project.setUserProperty("ant.file", path);
  34                         project.setBaseDir(extractBaseDir(path));
  35
  36                         project.init();
  37                         ProjectHelper projectHelper = new ProjectHelper2();
  38                         project.addReference(ProjectHelper.PROJECTHELPER_REFERENCE,
  39                                         projectHelper);
  40                         projectHelper.parse(project, buildFile.getURL());
  41                 } catch (Exception e) {
  42                         throw new SlcException("Could not parse " + buildFile, e);
  43                 }
  44
  45                 if (properties != null) {
  46                         for (Map.Entry<Object, Object> entry : properties.entrySet()) {
  47                                 project.setUserProperty(entry.getKey().toString(), entry
  48                                                 .getValue().toString());
  49                         }
  50                 }
  51
  52                 project.fireBuildStarted();
  53                 Throwable exception = null;
  54                 try {
  55                         project.addBuildListener(new LoggingListener());
  56                         if (targets.size() == 0) {
  57                                 project.executeTarget(project.getDefaultTarget());
  58                         } else {
  59                                 project.executeTargets(new Vector<String>(targets));
  60                         }
  61                 } catch (Throwable e) {
  62                         exception = e;
  63                         throw new SlcException("Could not run Ant script " + buildFile, e);
  64                 } finally {
  65                         project.fireBuildFinished(exception);
  66                 }
  67         }
  68
  69         private File extractBaseDir(String path) {
  70                 String baseDir = null;
  71                 if (path.length() > 1) {
  72                         int indx = path.lastIndexOf('/', path.length() - 1);
  73                         if (indx == -1 || indx == 0) {
  74                                 baseDir = "/";
  75                         } else {
  76                                 baseDir = path.substring(0, indx) + "/";
  77                         }
  78                 } else {
  79                         baseDir = "/";
  80                 }
  81                 File file = new File(baseDir);
  82                 if (file.exists()) {
  83                         return file;
  84                 } else {
  85                         return new File(System.getProperty("user.dir"));
  86                 }
  87         }
  88
  89         public void setBuildFile(Resource buildFile) {
  90                 this.buildFile = buildFile;
  91         }
  92
  93         public void setTargets(List<String> targets) {
  94                 this.targets = targets;
  95         }
  96
  97         public void setProperties(Map<Object, Object> properties) {
  98                 this.properties = properties;
  99         }
 100
 101         protected static class LoggingListener implements BuildListener {
 102
 103                 public void buildFinished(BuildEvent event) {
 104                         if (log.isDebugEnabled())
 105                                 log.debug("Ant build finished: " + event);
 106                 }
 107
 108                 public void buildStarted(BuildEvent event) {
 109                         if (log.isDebugEnabled())
 110                                 log.debug("Ant build started: " + event);
 111                 }
 112
 113                 public void messageLogged(BuildEvent event) {
 114                         log.info(event.getMessage());
 115                 }
 116
 117                 public void targetFinished(BuildEvent event) {
 118                         if (log.isTraceEnabled())
 119                                 log.debug("Target finished: " + event.getTarget());
 120                 }
 121
 122                 public void targetStarted(BuildEvent event) {
 123                         if (log.isTraceEnabled())
 124                                 log.debug("Target started: " + event.getTarget());
 125                 }
 126
 127                 public void taskFinished(BuildEvent event) {
 128                 }
 129
 130                 public void taskStarted(BuildEvent event) {
 131                 }
 132         }
 133 }