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From mben...@apache.org
Subject svn commit: r1090431 - in /ant/core/trunk: WHATSNEW manual/Types/filterchain.html src/main/org/apache/tools/ant/filters/ExpandProperties.java src/tests/antunit/filters/expandproperties-test.xml
Date Fri, 08 Apr 2011 20:27:05 GMT
Author: mbenson
Date: Fri Apr  8 20:27:04 2011
New Revision: 1090431

URL: http://svn.apache.org/viewvc?rev=1090431&view=rev
Log:
Bug 51044 - Allow a <propertyset> in an <expandproperties> filter

Modified:
    ant/core/trunk/WHATSNEW
    ant/core/trunk/manual/Types/filterchain.html
    ant/core/trunk/src/main/org/apache/tools/ant/filters/ExpandProperties.java
    ant/core/trunk/src/tests/antunit/filters/expandproperties-test.xml

Modified: ant/core/trunk/WHATSNEW
URL: http://svn.apache.org/viewvc/ant/core/trunk/WHATSNEW?rev=1090431&r1=1090430&r2=1090431&view=diff
==============================================================================
--- ant/core/trunk/WHATSNEW (original)
+++ ant/core/trunk/WHATSNEW Fri Apr  8 20:27:04 2011
@@ -52,6 +52,10 @@ Other changes:
  * The concat task now permits the name of its exposed resource
    by means of its 'resourcename' attribute.
 
+ * The expandproperties filter now accepts a nested propertyset
+   which, if specified, provides the properties for expansion.
+   Bugzilla Report 51044.
+
 Changes from Ant 1.8.1 TO Ant 1.8.2
 ===================================
 

Modified: ant/core/trunk/manual/Types/filterchain.html
URL: http://svn.apache.org/viewvc/ant/core/trunk/manual/Types/filterchain.html?rev=1090431&r1=1090430&r2=1090431&view=diff
==============================================================================
--- ant/core/trunk/manual/Types/filterchain.html (original)
+++ ant/core/trunk/manual/Types/filterchain.html Fri Apr  8 20:27:04 2011
@@ -273,6 +273,22 @@ Convenience method:
 &lt;/loadfile&gt;
 </pre></blockquote>
 
+<p>As of Ant <strong>1.8.3</strong>, a nested
+ <a href="propertyset.html">PropertySet</a> can be specified:
+
+<blockquote><pre>
+&lt;property name=&quot;weather&quot; value=&quot;rain&quot;/&gt;
+&lt;loadfile property=&quot;modifiedmessage&quot; srcFile=&quot;loadfile1.tmp&quot;&gt;
+  &lt;filterchain&gt;
+    &lt;expandproperties&gt;
+      &lt;propertyset&gt;
+        &lt;propertyref name="weather" /&gt;
+      &lt;/propertyset&gt;
+    &lt;/expandproperties&gt;
+  &lt;/filterchain&gt;
+&lt;/loadfile&gt;
+</pre></blockquote>
+
 <h3><a name="headfilter">HeadFilter</a></h3>
 
 This filter reads the first few lines from the data supplied to it.

Modified: ant/core/trunk/src/main/org/apache/tools/ant/filters/ExpandProperties.java
URL: http://svn.apache.org/viewvc/ant/core/trunk/src/main/org/apache/tools/ant/filters/ExpandProperties.java?rev=1090431&r1=1090430&r2=1090431&view=diff
==============================================================================
--- ant/core/trunk/src/main/org/apache/tools/ant/filters/ExpandProperties.java (original)
+++ ant/core/trunk/src/main/org/apache/tools/ant/filters/ExpandProperties.java Fri Apr  8
20:27:04 2011
@@ -19,7 +19,14 @@ package org.apache.tools.ant.filters;
 
 import java.io.IOException;
 import java.io.Reader;
+import java.util.Properties;
+
+import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Project;
+import org.apache.tools.ant.PropertyHelper;
+import org.apache.tools.ant.property.GetProperty;
+import org.apache.tools.ant.property.ParseProperties;
+import org.apache.tools.ant.types.PropertySet;
 
 /**
  * Expands Ant properties, if any, in the data.
@@ -34,8 +41,10 @@ import org.apache.tools.ant.Project;
 public final class ExpandProperties
     extends BaseFilterReader
     implements ChainableReader {
+
     /** Data that must be read from, if not null. */
     private String queuedData = null;
+    private PropertySet propertySet;
 
     /**
      * Constructor for "dummy" instances.
@@ -57,6 +66,17 @@ public final class ExpandProperties
     }
 
     /**
+     * Restrict the expanded properties using a PropertySet.
+     * @param propertySet replacement lookup
+     */
+    public void add(PropertySet propertySet) {
+        if (this.propertySet != null) {
+            throw new BuildException("expandproperties filter accepts only one propertyset");
+        }
+        this.propertySet = propertySet;
+    }
+
+    /**
      * Returns the next character in the filtered stream. The original
      * stream is first read in fully, and the Ant properties are expanded.
      * The results of this expansion are then queued so they can be read
@@ -88,7 +108,20 @@ public final class ExpandProperties
                 ch = -1;
             } else {
                 Project project = getProject();
-                queuedData = project.replaceProperties(queuedData);
+                GetProperty getProperty;
+                if (propertySet == null) {
+                    getProperty = PropertyHelper.getPropertyHelper(project);
+                } else {
+                    final Properties props = propertySet.getProperties();
+                    getProperty = new GetProperty() {
+                        
+                        public Object getProperty(String name) {
+                            return props.getProperty(name);
+                        }
+                    };
+                }
+                queuedData = new ParseProperties(project, PropertyHelper.getPropertyHelper(project)
+                        .getExpanders(), getProperty).parseProperties(queuedData).toString();
                 return read();
             }
         }
@@ -108,6 +141,7 @@ public final class ExpandProperties
     public Reader chain(final Reader rdr) {
         ExpandProperties newFilter = new ExpandProperties(rdr);
         newFilter.setProject(getProject());
+        newFilter.add(propertySet);
         return newFilter;
     }
 }

Modified: ant/core/trunk/src/tests/antunit/filters/expandproperties-test.xml
URL: http://svn.apache.org/viewvc/ant/core/trunk/src/tests/antunit/filters/expandproperties-test.xml?rev=1090431&r1=1090430&r2=1090431&view=diff
==============================================================================
--- ant/core/trunk/src/tests/antunit/filters/expandproperties-test.xml (original)
+++ ant/core/trunk/src/tests/antunit/filters/expandproperties-test.xml Fri Apr  8 20:27:04
2011
@@ -36,4 +36,42 @@
     </au:assertTrue>
   </target>
 
+  <target name="testSubset">
+    <au:assertTrue>
+      <resourcesmatch>
+        <string value="FOO $${bar} BAZ" />
+        <concat>
+          <string value="$${foo} $${bar} $${baz}" />
+          <filterchain>
+            <expandproperties>
+              <propertyset>
+                <propertyref name="foo" />
+                <propertyref name="baz" />
+              </propertyset>
+            </expandproperties>
+          </filterchain>
+        </concat>
+      </resourcesmatch>
+    </au:assertTrue>
+  </target>
+
+  <target name="testMappedPropertySet">
+    <au:assertTrue>
+      <resourcesmatch>
+        <string value="FOO BAR BAZ" />
+        <concat>
+          <string value="$${food} $${bard} $${bazd}" />
+          <filterchain>
+            <expandproperties>
+              <propertyset>
+                <propertyref builtin="all" />
+                <globmapper from="*" to="*d" />
+              </propertyset>
+            </expandproperties>
+          </filterchain>
+        </concat>
+      </resourcesmatch>
+    </au:assertTrue>
+  </target>
+
 </project>



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