001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.hivemind.service.impl; 016 017import java.util.HashMap; 018import java.util.List; 019import java.util.Map; 020 021import org.apache.hivemind.SymbolSource; 022import org.apache.hivemind.impl.BaseLocatable; 023 024/** 025 * Implementation of {@link org.apache.hivemind.SymbolSource} driven off of an extension point. 026 * 027 * @author Howard Lewis Ship 028 */ 029public class DefaultsSymbolSource extends BaseLocatable implements SymbolSource 030{ 031 private List _defaults; 032 033 private Map _symbols = new HashMap(); 034 035 public String valueForSymbol(String name) 036 { 037 return (String) _symbols.get(name); 038 } 039 040 public void initializeService() 041 { 042 int count = _defaults.size(); 043 for (int i = 0; i < count; i++) 044 { 045 FactoryDefault fd = (FactoryDefault) _defaults.get(i); 046 047 String symbol = fd.getSymbol(); 048 String value = fd.getValue(); 049 050 _symbols.put(symbol, value); 051 } 052 } 053 054 public void setDefaults(List list) 055 { 056 _defaults = list; 057 } 058}