1 files changed, 124 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/ResourceCount.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/ResourceCount.java
new file mode 100644
index 00000000..b29b57b6
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/ResourceCount.java
@@ -0,0 +1,124 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You 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.taskdefs;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Task;
+import org.apache.tools.ant.taskdefs.condition.Condition;
+import org.apache.tools.ant.types.Comparison;
+import org.apache.tools.ant.types.Reference;
+import org.apache.tools.ant.types.ResourceCollection;
+
+/**
+ * Count resources from a ResourceCollection, storing to a property or
+ * writing to the log.  Can also be used as a Condition.
+ * @since Ant 1.7
+ */
+public class ResourceCount extends Task implements Condition {
+
+    private static final String ONE_NESTED_MESSAGE
+        = "ResourceCount can count resources from exactly one nested ResourceCollection.";
+
+    private static final String COUNT_REQUIRED
+        = "Use of the ResourceCount condition requires that the count attribute be set.";
+
+    private ResourceCollection rc;
+    private Comparison when = Comparison.EQUAL;
+    private Integer count;
+    private String property;
+
+    /**
+     * Add the ResourceCollection to count.
+     * @param r the ResourceCollection to count.
+     * @throws BuildException if already set.
+     */
+    public void add(ResourceCollection r) {
+        if (rc != null) {
+            throw new BuildException(ONE_NESTED_MESSAGE);
+        }
+        rc = r;
+    }
+
+    /**
+     * Set the ResourceCollection reference.
+     * @param r the Reference.
+     */
+    public void setRefid(Reference r) {
+        Object o = r.getReferencedObject();
+        if (!(o instanceof ResourceCollection)) {
+            throw new BuildException(r.getRefId()
+                + " doesn\'t denote a ResourceCollection");
+        }
+        add((ResourceCollection) o);
+    }
+
+    /**
+     * Execute as a Task.
+     */
+    public void execute() {
+        if (rc == null) {
+            throw new BuildException(ONE_NESTED_MESSAGE);
+        }
+        if (property == null) {
+            log("resource count = " + rc.size());
+        } else {
+            getProject().setNewProperty(property, Integer.toString(rc.size()));
+        }
+    }
+
+    /**
+     * Fulfill the condition contract.
+     * @return true if the specified ResourceCollection satisfies the set criteria.
+     * @throws BuildException if an error occurs.
+     */
+    public boolean eval() {
+        if (rc == null) {
+            throw new BuildException(ONE_NESTED_MESSAGE);
+        }
+        if (count == null) {
+            throw new BuildException(COUNT_REQUIRED);
+        }
+        return when.evaluate(new Integer(rc.size()).compareTo(count));
+    }
+
+    /**
+     * Set the target count number for use as a Condition.
+     * @param c number of Resources as int.
+     */
+    public void setCount(int c) {
+        count = new Integer(c);
+    }
+
+    /**
+     * Set the comparison for use as a Condition.
+     * @param c Comparison (an EnumeratedAttribute) When.
+     * @see org.apache.tools.ant.types.Comparison
+     */
+    public void setWhen(Comparison c) {
+        when = c;
+    }
+
+    /**
+     * Set the name of the property to set in task mode.
+     * @param p the property name to set.
+     */
+    public void setProperty(String p) {
+        property = p;
+    }
+
+}