2 * Copyright 2005-2011 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.xmlrouter.impl;
18 import java.util.ArrayList;
19 import java.util.Collections;
20 import java.util.Iterator;
21 import java.util.List;
23 import org.wamblee.xmlrouter.common.Id;
24 import org.wamblee.xmlrouter.config.Config;
25 import org.wamblee.xmlrouter.config.Identifiable;
27 // TODO think real hard about the prefixing. We want a consistent view for clients.
28 // perhaps only provide a method to add items and hide all access to the ids.
31 * Default implementation of the {@link Config} interface.
33 * @author Erik Brakkee
37 // TODO make sure that each item inside this config is prefixed with the id of
39 public abstract class ConfigImpl<T extends Identifiable> implements
42 private Id<Config> id;
43 private List<T> registered;
46 * Constructs the object.
48 public ConfigImpl(Id<Config> aId) {
49 // TODO test for null.
51 registered = new ArrayList<T>();
55 public Id<Config> getId() {
62 * @see org.wamblee.xmlrouter.config.Config#add(T)
65 public synchronized void add(T aT) {
66 // TODO test duplicate ids.
68 registered.add(wrap(id.getId() + ".", aT));
72 * This is called to wrap the given object by a safer version.
76 * @return Wrapped object.
78 public abstract T wrap(String aPrefix, T aT);
84 * org.wamblee.xmlrouter.config.Config#remove(org.wamblee.xmlrouter.common
88 public synchronized boolean remove(Id<T> aId) {
90 Iterator<T> i = registered.iterator();
93 if (t.getId().equals(aId)) {
102 public List<T> values() {
103 return Collections.unmodifiableList(registered);
106 private void notNull(T aT) {
108 throw new NullPointerException("Object is null");
112 private void notNull(Id<T> aId) {
114 throw new NullPointerException("Id is null");