001/* 002 * IzPack - Copyright 2001-2005 Julien Ponge, All Rights Reserved. 003 * 004 * http://www.izforge.com/izpack/ 005 * http://developer.berlios.de/projects/izpack/ 006 * 007 * Copyright 2005 Chad McHenry 008 * 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 */ 021 022package com.izforge.izpack.ant; 023 024import java.util.Properties; 025 026import org.apache.tools.ant.Project; 027 028/** 029 * A subclass of Ant Property to validate values, but not add to the ant 030 * project's properties. 031 * 032 * @author Chad McHenry 033 */ 034public class Property extends org.apache.tools.ant.taskdefs.Property 035{ 036 /** Store the property[s] of this Property tag. */ 037 protected Properties props = new Properties(); 038 039 /** Creates new IZPackTask */ 040 public Property() { 041 super(false); 042 } 043 044 public Properties getProperties() 045 { 046 return props; 047 } 048 049 /** 050 * Overridden to store properties locally, not in the Ant Project. 051 * 052 * @param n name of property 053 * @param v value to set 054 */ 055 protected void addProperty(String n, String v) { 056 if (props.get(n) == null) 057 props.put(n, v); 058 else 059 log("Override ignored for " + n, Project.MSG_VERBOSE); 060 } 061}