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From mben...@apache.org
Subject svn commit: r280944 - in /ant/core/trunk: docs/manual/CoreTasks/ src/etc/testcases/taskdefs/ src/main/org/apache/tools/ant/taskdefs/ src/main/org/apache/tools/ant/types/resources/ src/main/org/apache/tools/ant/types/resources/comparators/ src/main/org/...
Date Wed, 14 Sep 2005 21:24:23 GMT
Author: mbenson
Date: Wed Sep 14 14:24:08 2005
New Revision: 280944

URL: http://svn.apache.org/viewcvs?rev=280944&view=rev
Log:
delete + resource collection support

Added:
    ant/core/trunk/src/main/org/apache/tools/ant/types/resources/BCFileSet.java   (with props)
    ant/core/trunk/src/main/org/apache/tools/ant/types/resources/comparators/FileSystem.java
  (with props)
Modified:
    ant/core/trunk/docs/manual/CoreTasks/delete.html
    ant/core/trunk/src/etc/testcases/taskdefs/delete.xml
    ant/core/trunk/src/main/org/apache/tools/ant/taskdefs/Delete.java
    ant/core/trunk/src/main/org/apache/tools/ant/util/FileUtils.java
    ant/core/trunk/src/testcases/org/apache/tools/ant/taskdefs/DeleteTest.java

Modified: ant/core/trunk/docs/manual/CoreTasks/delete.html
URL: http://svn.apache.org/viewcvs/ant/core/trunk/docs/manual/CoreTasks/delete.html?rev=280944&r1=280943&r2=280944&view=diff
==============================================================================
--- ant/core/trunk/docs/manual/CoreTasks/delete.html (original)
+++ ant/core/trunk/docs/manual/CoreTasks/delete.html Wed Sep 14 14:24:08 2005
@@ -12,11 +12,14 @@
 <h3>Description</h3>
 <p>Deletes a single file, a specified directory and all its files and
 subdirectories, or a set of files specified by one or more
-<a href="../CoreTypes/fileset.html">FileSet</a>s.
-When specifying a set of files, empty directories are <i>not</i> removed by
-default.
-To remove empty directories, use the <code>includeEmptyDirs</code> attribute.
-</p>
+<a href="../CoreTypes/resources.html#collection">resource collection</a>s.
+The literal implication of <code>&lt;fileset&gt;</code> is that
+directories are not included; however the removal of empty directories can
+be triggered when using nested filesets by setting the
+<code>includeEmptyDirs</code> attribute to <i>true</i>. Note that
this
+attribute is meaningless in the context of any of the various resource
+collection types that <i>do</i> include directories, but that no attempt
+will be made to delete non-empty directories in any case.</p>
 <p>
 If you use this task to delete temporary files created by editors
 and it doesn't seem to work, read up on the 
@@ -37,7 +40,7 @@
      filename (if the file exists in the current base directory), a
      relative-path filename, or a full-path filename.</td>
     <td align="center" valign="middle" rowspan="2">At least one of the two,
-     unless a <code>&lt;fileset&gt;</code> is specified.</td>
+     unless nested resource collections are specified
   </tr>
   <tr>
     <td valign="top">dir</td>
@@ -88,7 +91,7 @@
   </tr>
   <tr>
     <td valign="top">includes</td>
-    <td valign="top"><em>Deprecated.</em>  Use <code>&lt;fileset&gt;</code>.
+    <td valign="top"><em>Deprecated.</em>  Use resource collections.
       Comma- or space-separated list of patterns of
       files that must be deleted. All files are relative to the directory
       specified in <code>dir</code>.</td>
@@ -96,14 +99,14 @@
   </tr>
   <tr>
     <td valign="top">includesfile</td>
-    <td valign="top"><em>Deprecated.</em>  Use <code>&lt;fileset&gt;</code>.
+    <td valign="top"><em>Deprecated.</em>  Use resource collections.
       The name of a file. Each line of
       this file is taken to be an include pattern.</td>
     <td valign="top" align="center">No</td>
   </tr>
   <tr>
     <td valign="top">excludes</td>
-    <td valign="top"><em>Deprecated.</em>  Use <code>&lt;fileset&gt;</code>.
+    <td valign="top"><em>Deprecated.</em>  Use resource collections.
       Comma- or space-separated list of patterns of
       files that must be excluded from the deletion list.
       All files are relative to the directory specified in <code>dir</code>.
@@ -112,14 +115,14 @@
   </tr>
   <tr>
     <td valign="top">excludesfile</td>
-    <td valign="top"><em>Deprecated.</em>  Use <code>&lt;fileset&gt;</code>.
+    <td valign="top"><em>Deprecated.</em>  Use resource collections.
       The name of a file. Each line of
       this file is taken to be an exclude pattern</td>
     <td valign="top" align="center">No</td>
   </tr>
   <tr>
     <td valign="top">defaultexcludes</td>
-    <td valign="top"><em>Deprecated.</em>  Use <code>&lt;fileset&gt;</code>.
+    <td valign="top"><em>Deprecated.</em>  Use resource collections.
       Whether to use <a href="../dirtasks.html#defaultexcludes">
       default excludes.</a></td>
     <td align="center" valign="top">No, default &quot;true&quot;</td>
@@ -131,7 +134,7 @@
       failure to delete a file, this causes the jvm to attempt
       to delete the file when the jvm process is terminating.
       <em>Since Ant 1.6.2</em></td>
-    <td align="center" valign="top">No, default &quot;false&quot;.</td>
+    <td align="center" valign="top">No, default &quot;false&quot;</td>
   </tr>
 </table>
 <h3>Examples</h3>
@@ -158,7 +161,7 @@
 </pre>
 <p>deletes all files and subdirectories of <code>build</code>, without
 <code>build</code> itself.</p>
-<hr><p align="center">Copyright &copy; 2000-2002,2004-2005 The Apache Software
Foundation.
+<hr><p align="center">Copyright &copy; 2000-2002, 2004-2005 The Apache Software
Foundation.
 All rights Reserved.</p>
 
 </body>

Modified: ant/core/trunk/src/etc/testcases/taskdefs/delete.xml
URL: http://svn.apache.org/viewcvs/ant/core/trunk/src/etc/testcases/taskdefs/delete.xml?rev=280944&r1=280943&r2=280944&view=diff
==============================================================================
--- ant/core/trunk/src/etc/testcases/taskdefs/delete.xml (original)
+++ ant/core/trunk/src/etc/testcases/taskdefs/delete.xml Wed Sep 14 14:24:08 2005
@@ -2,27 +2,107 @@
 
 <project name="delete-test" basedir="." default="test1">
 
-  <target name="test1">
-    <delete/>
-  </target>
+  <property name="dirname" value="taskdefs.tmp" />
+  <property name="dir" location="${dirname}" />
+
+  <macrodef name="expectabsent">
+    <sequential>
+      <fail>
+        <condition>
+          <available file="${dir}" />
+        </condition>
+    </fail>
+    </sequential>
+  </macrodef>
+
+  <macrodef name="expectdirsonly">
+    <sequential>
+      <fail>
+        <condition>
+          <or>
+            <resourcecount when="greater" count="0">
+              <fileset refid="fs" />
+            </resourcecount>
+            <not>
+              <resourcecount count="${srcdirs}">
+                <dirset dir="${dir}" />
+              </resourcecount>
+            </not>
+          </or>
+        </condition>
+      </fail>
+    </sequential>
+  </macrodef>
 
   <target name="init">
-    <mkdir dir="taskdefs.tmp" />
-    <copy todir="taskdefs.tmp">
-      <fileset dir="." excludes="taskdefs.tmp,taskdefs.tmp/**" />
+    <resourcecount property="srcdirs">
+      <dirset dir="${basedir}" />
+    </resourcecount>
+
+    <resourcecount property="srcsize">
+      <files includes="${basedir}/" />
+    </resourcecount>
+
+    <mkdir dir="${dir}" />
+
+    <copy todir="${dir}">
+      <fileset dir="${basedir}" excludes="${dirname},${dirname}/**" />
     </copy>
   </target>
 
+  <target name="test1">
+    <delete />
+  </target>
+
   <target name="test2" depends="init">
-    <delete file="taskdefs.tmp"/>
+    <delete file="${dir}" />
+    <fail>
+      <condition>
+        <not>
+          <resourcecount count="${srcsize}">
+            <files includes="${dir}/" />
+          </resourcecount>
+        </not>
+      </condition>
+    </fail>
   </target>
 
   <target name="test4" depends="init">
-    <delete dir="taskdefs.tmp"/>
+    <delete dir="${dir}" />
+    <expectabsent />
   </target>
 
-  <target name="cleanup">
-    <delete dir="taskdefs.tmp" />
+  <target name="test5" depends="init">
+    <delete dir="${dir}" includes="**" />
+    <expectdirsonly />
   </target>
+
+  <target name="test6" depends="init">
+    <delete dir="${dir}" includes="**" includeemptydirs="true" />
+    <expectabsent />
+  </target>
+
+  <target name="test7" depends="init">
+    <delete>
+      <fileset id="fs" dir="${dir}" />
+    </delete>
+    <expectdirsonly />
+  </target>
+
+  <target name="test8" depends="init">
+    <delete includeemptydirs="true">
+      <fileset dir="${dir}" />
+    </delete>
+    <expectabsent />
+  </target>
+
+  <target name="test9" depends="init">
+    <delete>
+      <files includes="${dir}/**" />
+    </delete>
+    <expectabsent />
+  </target>
+
+  <target name="cleanup" depends="test4" />
 
 </project>

Modified: ant/core/trunk/src/main/org/apache/tools/ant/taskdefs/Delete.java
URL: http://svn.apache.org/viewcvs/ant/core/trunk/src/main/org/apache/tools/ant/taskdefs/Delete.java?rev=280944&r1=280943&r2=280944&view=diff
==============================================================================
--- ant/core/trunk/src/main/org/apache/tools/ant/taskdefs/Delete.java (original)
+++ ant/core/trunk/src/main/org/apache/tools/ant/taskdefs/Delete.java Wed Sep 14 14:24:08
2005
@@ -19,12 +19,21 @@
 
 import java.io.File;
 import java.util.Vector;
+import java.util.Iterator;
+
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.DirectoryScanner;
 import org.apache.tools.ant.Project;
 import org.apache.tools.ant.taskdefs.condition.Os;
+import org.apache.tools.ant.types.Path;
 import org.apache.tools.ant.types.FileSet;
 import org.apache.tools.ant.types.PatternSet;
+import org.apache.tools.ant.types.ResourceCollection;
+import org.apache.tools.ant.types.resources.Sort;
+import org.apache.tools.ant.types.resources.BCFileSet;
+import org.apache.tools.ant.types.resources.FileResource;
+import org.apache.tools.ant.types.resources.comparators.FileSystem;
+import org.apache.tools.ant.types.resources.comparators.Reverse;
 import org.apache.tools.ant.types.selectors.AndSelector;
 import org.apache.tools.ant.types.selectors.ContainsRegexpSelector;
 import org.apache.tools.ant.types.selectors.ContainsSelector;
@@ -70,6 +79,7 @@
     private boolean quiet = false;
     private boolean failonerror = true;
     private boolean deleteOnExit = false;
+    private Vector rcs = new Vector();
 
     /**
      * Set the name of a single file to be removed.
@@ -87,6 +97,7 @@
      */
     public void setDir(File dir) {
         this.dir = dir;
+        getImplicitFileSet().setDir(dir);
     }
 
     /**
@@ -156,6 +167,14 @@
     }
 
     /**
+     * Add an arbitrary ResourceCollection to be deleted.
+     * @param rc the filesystem-only ResourceCollection.
+     */
+    public void add(ResourceCollection rc) {
+        rcs.add(rc);
+    }
+
+    /**
      * add a name entry on the include list
      * @return a NameEntry object to be configured
      */
@@ -442,9 +461,9 @@
                 + "Use a nested fileset element instead.");
         }
 
-        if (file == null && dir == null && filesets.size() == 0) {
+        if (file == null && dir == null && filesets.size() == 0 &&
rcs.size() == 0) {
             throw new BuildException("At least one of the file or dir "
-                                     + "attributes, or a fileset element, "
+                                     + "attributes, or a nested resource collection, "
                                      + "must be set.");
         }
 
@@ -453,7 +472,6 @@
                                      + "set to true", getLocation());
         }
 
-
         // delete the single file
         if (file != null) {
             if (file.exists()) {
@@ -497,39 +515,32 @@
             }
             removeDir(dir);
         }
-
-        // delete the files in the filesets
+        Path p = new Path(getProject());
+        p.addAll(rcs);
         for (int i = 0; i < filesets.size(); i++) {
-            FileSet fs = (FileSet) filesets.elementAt(i);
-            try {
-                DirectoryScanner ds = fs.getDirectoryScanner(getProject());
-                String[] files = ds.getIncludedFiles();
-                String[] dirs = ds.getIncludedDirectories();
-                removeFiles(fs.getDir(getProject()), files, dirs);
-            } catch (BuildException be) {
-                // directory doesn't exist or is not readable
-                if (failonerror) {
-                    throw be;
-                } else {
-                    log(be.getMessage(),
-                        quiet ? Project.MSG_VERBOSE : Project.MSG_WARN);
-                }
-            }
+            FileSet fs = (FileSet) filesets.get(i);
+            p.add(includeEmpty ? new BCFileSet(fs) : fs);
         }
-
-        // delete the files from the default fileset
         if (usedMatchingTask && dir != null) {
-            try {
-                DirectoryScanner ds = super.getDirectoryScanner(dir);
-                String[] files = ds.getIncludedFiles();
-                String[] dirs = ds.getIncludedDirectories();
-                removeFiles(dir, files, dirs);
-            } catch (BuildException be) {
-                // directory doesn't exist or is not readable
-                if (failonerror) {
-                    throw be;
-                } else {
-                    log(be.getMessage(),
+            //add the files from the default fileset:
+            FileSet implicit = getImplicitFileSet();
+            p.add(includeEmpty ? new BCFileSet(implicit) : implicit);
+        }
+        // delete the files in the resource collections; sort to files, then dirs
+        Sort s = new Sort();
+        s.add(new Reverse(new FileSystem()));
+        s.add(p);
+        for (Iterator iter = s.iterator(); iter.hasNext();) {
+            FileResource r = (FileResource) iter.next();
+            if (!(r.isDirectory()) || r.getFile().list().length == 0) {
+                log("Deleting " + r, verbosity);
+                if (!delete(r.getFile())) {
+                    String message = "Unable to delete "
+                        + (r.isDirectory() ? "directory " : "file ") + r;
+                    if (failonerror) {
+                        throw new BuildException(message);
+                    }
+                    log(message,
                         quiet ? Project.MSG_VERBOSE : Project.MSG_WARN);
                 }
             }

Added: ant/core/trunk/src/main/org/apache/tools/ant/types/resources/BCFileSet.java
URL: http://svn.apache.org/viewcvs/ant/core/trunk/src/main/org/apache/tools/ant/types/resources/BCFileSet.java?rev=280944&view=auto
==============================================================================
--- ant/core/trunk/src/main/org/apache/tools/ant/types/resources/BCFileSet.java (added)
+++ ant/core/trunk/src/main/org/apache/tools/ant/types/resources/BCFileSet.java Wed Sep 14
14:24:08 2005
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2005 The Apache Software Foundation
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+package org.apache.tools.ant.types.resources;
+
+import java.util.Iterator;
+
+import org.apache.tools.ant.types.FileSet;
+
+/**
+ * Utility FileSet that includes directories for backwards-compatibility
+ * with certain tasks e.g. Delete.
+ * @since Ant 1.7
+ */
+public class BCFileSet extends FileSet {
+    /**
+     * Default constructor.
+     */
+    public BCFileSet() {
+    }
+
+    /**
+     * Construct a new BCFileSet from the specified FileSet.
+     * @param fs the FileSet from which to inherit config.
+     */
+    public BCFileSet(FileSet fs) {
+        super(fs);
+    }
+
+    /**
+     * Fulfill the ResourceCollection contract.
+     * @return an Iterator of Resources.
+     * @since Ant 1.7
+     */
+    public Iterator iterator() {
+        if (isReference()) {
+            return ((FileSet) getRef(getProject())).iterator();
+        }
+        FileResourceIterator result = new FileResourceIterator(getDir());
+        result.addFiles(getDirectoryScanner().getIncludedFiles());
+        result.addFiles(getDirectoryScanner().getIncludedDirectories());
+        return result;
+    }
+
+    /**
+     * Fulfill the ResourceCollection contract.
+     * @return number of elements as int.
+     * @since Ant 1.7
+     */
+    public int size() {
+        if (isReference()) {
+            return ((FileSet) getRef(getProject())).size();
+        }
+        return getDirectoryScanner().getIncludedFilesCount()
+            + getDirectoryScanner().getIncludedDirsCount();
+    }
+
+}

Propchange: ant/core/trunk/src/main/org/apache/tools/ant/types/resources/BCFileSet.java
------------------------------------------------------------------------------
    svn:eol-style = native

Added: ant/core/trunk/src/main/org/apache/tools/ant/types/resources/comparators/FileSystem.java
URL: http://svn.apache.org/viewcvs/ant/core/trunk/src/main/org/apache/tools/ant/types/resources/comparators/FileSystem.java?rev=280944&view=auto
==============================================================================
--- ant/core/trunk/src/main/org/apache/tools/ant/types/resources/comparators/FileSystem.java
(added)
+++ ant/core/trunk/src/main/org/apache/tools/ant/types/resources/comparators/FileSystem.java
Wed Sep 14 14:24:08 2005
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2005 The Apache Software Foundation
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+package org.apache.tools.ant.types.resources.comparators;
+
+import java.io.File;
+import org.apache.tools.ant.types.Resource;
+import org.apache.tools.ant.types.resources.FileResource;
+import org.apache.tools.ant.util.FileUtils;
+
+/**
+ * Compares filesystem Resources.
+ * @since Ant 1.7
+ */
+public class FileSystem extends ResourceComparator {
+    private static FileUtils fileUtils = FileUtils.getFileUtils();
+
+    /**
+     * Compare two Resources.
+     * @param foo the first Resource.
+     * @param bar the second Resource.
+     * @return a negative integer, zero, or a positive integer as the first
+     *         argument is less than, equal to, or greater than the second.
+     * @throws ClassCastException if either resource is not an instance of FileResource.
+     */
+    protected int resourceCompare(Resource foo, Resource bar) {
+        File foofile = ((FileResource) foo).getFile();
+        File barfile = ((FileResource) bar).getFile();
+        return foofile.equals(barfile) ? 0
+            : fileUtils.isLeadingPath(foofile, barfile) ? -1
+            : fileUtils.normalize(foofile.getAbsolutePath()).compareTo(
+                fileUtils.normalize(barfile.getAbsolutePath()));
+    }
+
+}

Propchange: ant/core/trunk/src/main/org/apache/tools/ant/types/resources/comparators/FileSystem.java
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: ant/core/trunk/src/main/org/apache/tools/ant/util/FileUtils.java
URL: http://svn.apache.org/viewcvs/ant/core/trunk/src/main/org/apache/tools/ant/util/FileUtils.java?rev=280944&r1=280943&r2=280944&view=diff
==============================================================================
--- ant/core/trunk/src/main/org/apache/tools/ant/util/FileUtils.java (original)
+++ ant/core/trunk/src/main/org/apache/tools/ant/util/FileUtils.java Wed Sep 14 14:24:08 2005
@@ -1342,6 +1342,27 @@
     }
 
     /**
+     * Learn whether one path "leads" another.
+     * @param leading The leading path, must not be null, must be absolute.
+     * @param path The path to remove from, must not be null, must be absolute.
+     * @return true if path starts with leading; false otherwise.
+     * @since Ant 1.7
+     */
+    public boolean isLeadingPath(File leading, File path) {
+        String l = normalize(leading.getAbsolutePath()).getAbsolutePath();
+        String p = normalize(path.getAbsolutePath()).getAbsolutePath();
+        if (l.equals(p)) {
+            return true;
+        }
+        // ensure that l ends with a /
+        // so we never think /foo was a parent directory of /foobar
+        if (!l.endsWith(File.separator)) {
+            l += File.separator;
+        }
+        return p.startsWith(l);
+    }
+
+    /**
      * Constructs a <code>file:</code> URI that represents the
      * external form of the given pathname.
      *

Modified: ant/core/trunk/src/testcases/org/apache/tools/ant/taskdefs/DeleteTest.java
URL: http://svn.apache.org/viewcvs/ant/core/trunk/src/testcases/org/apache/tools/ant/taskdefs/DeleteTest.java?rev=280944&r1=280943&r2=280944&view=diff
==============================================================================
--- ant/core/trunk/src/testcases/org/apache/tools/ant/taskdefs/DeleteTest.java (original)
+++ ant/core/trunk/src/testcases/org/apache/tools/ant/taskdefs/DeleteTest.java Wed Sep 14
14:24:08 2005
@@ -42,8 +42,23 @@
     public void test2() {
         executeTarget("test2");
     }
-
+//where oh where has my test case 3 gone?
     public void test4() {
         executeTarget("test4");
+    }
+    public void test5() {
+        executeTarget("test5");
+    }
+    public void test6() {
+        executeTarget("test6");
+    }
+    public void test7() {
+        executeTarget("test7");
+    }
+    public void test8() {
+        executeTarget("test8");
+    }
+    public void test9() {
+        executeTarget("test9");
     }
 }



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