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diff --git a/buildscripts/phing/classes/phing/input/PropertyFileInputHandler.php b/buildscripts/phing/classes/phing/input/PropertyFileInputHandler.php
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+/*
+ * 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 "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.input;
+
+import org.apache.tools.ant.BuildException;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.Properties;
+
+/**
+ * Reads input from a property file, the file name is read from the
+ * system property ant.input.properties, the prompt is the key for input.
+ *
+ * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
+ * @version $Revision: 1.1 $
+ * @since Ant 1.5
+ */
+public class PropertyFileInputHandler implements InputHandler {
+    private Properties props = null;
+
+    /**
+     * Name of the system property we expect to hold the file name.
+     */
+    public static final String FILE_NAME_KEY = "ant.input.properties";
+
+    /**
+     * Empty no-arg constructor.
+     */
+    public PropertyFileInputHandler() {
+    }
+
+    /**
+     * Picks up the input from a property, using the prompt as the
+     * name of the property.
+     *
+     * @exception BuildException if no property of that name can be found.
+     */
+    public void handleInput(InputRequest request) throws BuildException {
+        readProps();
+        
+        Object o = props.get(request.getPrompt());
+        if (o == null) {
+            throw new BuildException("Unable to find input for \'"
+                                     + request.getPrompt()+"\'");
+        }
+        request.setInput(o.toString());
+        if (!request.isInputValid()) {
+            throw new BuildException("Found invalid input " + o
+                                     + " for \'" + request.getPrompt() + "\'");
+        }
+    }
+
+    /**
+     * Reads the properties file if it hasn't already been read.
+     */
+    private synchronized void readProps() throws BuildException {
+        if (props == null) {
+            String propsFile = System.getProperty(FILE_NAME_KEY);
+            if (propsFile == null) {
+                throw new BuildException("System property "
+                                         + FILE_NAME_KEY
+                                         + " for PropertyFileInputHandler not"
+                                         + " set");
+            }
+            
+            props = new Properties();
+            
+            try {
+                props.load(new FileInputStream(propsFile));
+            } catch (IOException e) {
+                throw new BuildException("Couldn't load " + propsFile, e);
+            }
+        }
+    }
+
+}