package org.apidesign.infra.ant;

 import java.io.File;

 import java.io.FileWriter;

 import java.io.IOException;

 import java.net.URL;

 import java.util.Map.Entry;

 import org.apache.tools.ant.BuildException;

 import org.apache.tools.ant.Task;

 import org.apache.tools.ant.types.FileSet;

 import org.apache.tools.ant.types.FilterSet;

 public class GrepCopy extends Task {

     private GrepFilter filter = new GrepFilter();

     private File dir;

     private URL url;

     public GrepCopy() {

     }

     public FileSet createFileSet() {

         return filter.createFileSet();

     }

     public void setTarget(File dir) {

         this.dir = dir;

     }

     public void setBaseURL(URL url) {

         this.url = url;

     }

     @Override

     public void execute() throws BuildException {

         filter.setProject(getProject());

         FilterSet set = filter.createFilterSet();

         for (Object object : set.getFilterHash().entrySet()) {

             FileWriter w = null;

             try {

                 Entry en = (Entry) object;

                 String key = (String)en.getKey();

                 {

                     File to = new File(dir, key);

                     to.getParentFile().mkdirs();

                     w = new FileWriter(to);

                     w.write((String) en.getValue());

                     w.close();

                 }

                 if (url != null) {

                     URL u = filter.getPath(url, key);

                     File to = new File(dir, key + ".url");

                     to.getParentFile().mkdirs();

                     w = new FileWriter(to);

                     w.write(u.toExternalForm());

                     w.close();

                 }

             } catch (IOException ex) {

                 throw new BuildException(ex);

             }

         }

     }

 }