move WeakishReference1.2 to optional, fix copyright, fix string ref to classname

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273419 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/util/WeakishReference.java

@@ -69,7 +69,7 @@ public abstract class WeakishReference  {
 
     private static Constructor referenceConstructor;
 
-    private final static String WEAK_REFERENCE_NAME= "org,apache.tools.ant.util.WeakishReference12";
+    private final static String WEAK_REFERENCE_NAME= "org.apache.tools.ant.util.optional.WeakishReference12";
 
     /**
      * create the appropriate type of reference for the java version

src/main/org/apache/tools/ant/util/WeakishReference12.java

@@ -1,38 +0,0 @@
-/*
- * User: slo
- * Date: Sep 10, 2002
- * Time: 11:02:16 PM
- * Status:      Experimental (Do Not Distribute)
- *
- * (c) Copyright 2002, Hewlett-Packard Company, all rights reserved.
- */
-
-package org.apache.tools.ant.util;
-
-import java.lang.ref.WeakReference;
-
-/**
- *
- */
-public class WeakishReference12 extends WeakishReference  {
-
-    private WeakReference weakref;
-
-    /**
-     * create a new soft reference, which is bound to a
-     * Weak reference inside
-     * @param reference
-     * @see java.lang.ref.WeakReference
-     */
-    public WeakishReference12(Object reference) {
-        this.weakref = new WeakReference(reference);
-    }
-
-    /**
-     * Returns this reference object's referent.
-     */
-    public Object get() {
-        return weakref.get();
-    }
-
-}

src/main/org/apache/tools/ant/util/optional/WeakishReference12.java

@@ -0,0 +1,86 @@
+/*
+ *  The Apache Software License, Version 1.1
+ *
+ *  Copyright (c) 2002 The Apache Software Foundation.  All rights
+ *  reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *  notice, this list of conditions and the following disclaimer in
+ *  the documentation and/or other materials provided with the
+ *  distribution.
+ *
+ *  3. The end-user documentation included with the redistribution, if
+ *  any, must include the following acknowlegement:
+ *  "This product includes software developed by the
+ *  Apache Software Foundation (http://www.apache.org/)."
+ *  Alternately, this acknowlegement may appear in the software itself,
+ *  if and wherever such third-party acknowlegements normally appear.
+ *
+ *  4. The names "The Jakarta Project", "Ant", and "Apache Software
+ *  Foundation" must not be used to endorse or promote products derived
+ *  from this software without prior written permission. For written
+ *  permission, please contact apache@apache.org.
+ *
+ *  5. Products derived from this software may not be called "Apache"
+ *  nor may "Apache" appear in their names without prior written
+ *  permission of the Apache Group.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ *  SUCH DAMAGE.
+ *  ====================================================================
+ *
+ *  This software consists of voluntary contributions made by many
+ *  individuals on behalf of the Apache Software Foundation.  For more
+ *  information on the Apache Software Foundation, please see
+ *  <http://www.apache.org/>.
+ */
+
+package org.apache.tools.ant.util.optional;
+
+import org.apache.tools.ant.util.WeakishReference;
+
+import java.lang.ref.WeakReference;
+
+/**
+ * This is a reference that really is is Weak, as it uses the
+ * appropriate java.lang.ref class.
+ */
+public class WeakishReference12 extends WeakishReference  {
+
+    private WeakReference weakref;
+
+    /**
+     * create a new soft reference, which is bound to a
+     * Weak reference inside
+     * @param reference
+     * @see java.lang.ref.WeakReference
+     */
+    public WeakishReference12(Object reference) {
+        this.weakref = new WeakReference(reference);
+    }
+
+    /**
+     * Returns this reference object's referent.
+     */
+    public Object get() {
+        return weakref.get();
+    }
+
+}