| // Copyright 2009 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.ioc.internal.services; |
| |
| import org.apache.tapestry5.ioc.Resource; |
| import org.apache.tapestry5.ioc.internal.util.CollectionFactory; |
| import org.apache.tapestry5.ioc.internal.util.InternalUtils; |
| import org.apache.tapestry5.ioc.services.SymbolProvider; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| /** |
| * Makes a {@link org.apache.tapestry5.ioc.Resource} available as a {@link org.apache.tapestry5.ioc.services.SymbolProvider} |
| * |
| * @since 5.1.0.5 |
| */ |
| public class ResourceSymbolProvider implements SymbolProvider |
| { |
| private final Resource resource; |
| |
| private final Map<String, String> properties = CollectionFactory.newCaseInsensitiveMap(); |
| |
| public ResourceSymbolProvider(final Resource resource) |
| { |
| this.resource = resource; |
| |
| readProperties(); |
| } |
| |
| private void readProperties() |
| { |
| Properties p = new Properties(); |
| |
| InputStream is = null; |
| |
| try |
| { |
| is = resource.openStream(); |
| |
| p.load(is); |
| |
| is.close(); |
| |
| is = null; |
| |
| for (Map.Entry<Object, Object> entry : p.entrySet()) |
| { |
| String key = entry.getKey().toString(); |
| |
| properties.put(key, p.getProperty(key)); |
| } |
| } |
| catch (IOException ex) |
| { |
| throw new RuntimeException(ex); |
| } |
| finally |
| { |
| InternalUtils.close(is); |
| } |
| } |
| |
| public String valueForSymbol(String symbolName) |
| { |
| return properties.get(symbolName); |
| } |
| } |