| // Copyright 2007 The Apache Software Foundation |
| // |
| // Licensed 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.tapestry5.internal; |
| |
| import org.apache.tapestry5.ioc.services.SymbolProvider; |
| |
| /** |
| * Implementation of {@link SymbolProvider} that only supports a single key/value pair. |
| */ |
| public class SingleKeySymbolProvider implements SymbolProvider |
| { |
| private final String symbolName; |
| |
| private final String value; |
| |
| public SingleKeySymbolProvider(final String symbolName, final String value) |
| { |
| this.symbolName = symbolName; |
| this.value = value; |
| } |
| |
| public String valueForSymbol(String symbolName) |
| { |
| if (this.symbolName.equalsIgnoreCase(symbolName)) return value; |
| |
| return null; |
| } |
| |
| } |