+/*
+ * Copyright 2005-2011 the original author or authors.
+ *
+ * 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.wamblee.xmlrouter.impl;
+
+import static org.wamblee.xmlrouter.impl.MessageUtil.*;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.wamblee.xmlrouter.common.Id;
+import org.wamblee.xmlrouter.config.Identifiable;
+
+/**
+ * Composite config. The composite config
+ *
+ * @author Erik Brakkee
+ *
+ * @param <T>
+ */
+public class CompositeConfig<T extends Identifiable<T>> implements
+ ExtendedConfig<T> {
+
+ private static final String PREFIX = "compositeconfig";
+ private static final String READ_ONLY_INSTANCE = "read only instance";
+
+ private Class<T> type;
+ private Set<String> prefixes;
+ private List<Id<T>> valueIds;
+ private List<T> values;
+
+ public CompositeConfig(Class<T> aType) {
+ type = aType;
+ prefixes = new HashSet<String>();
+ valueIds = new ArrayList<Id<T>>();
+ values = new ArrayList<T>();
+ }
+
+ @Override
+ public Class<T> getType() {
+ return type;
+ }
+
+ @Override
+ public String getPrefix() {
+ return PREFIX;
+ }
+
+ public void addConfig(Config<T> aConfig) {
+ notNull("aConfig", aConfig);
+ if (prefixes.contains(aConfig.getPrefix())) {
+ throw new ConfigException("duplicate prefix '" +
+ aConfig.getPrefix() + "'");
+ }
+ String prefix = aConfig.getPrefix() + ".";
+ for (T item : aConfig.values()) {
+ Id<T> newId = new Id<T>(prefix + item.getId());
+ if (valueIds.contains(newId)) {
+ throw new ConfigException("duplicate id '" +
+ item.getId().toString() + "'");
+ }
+ }
+
+ prefixes.add(aConfig.getPrefix());
+
+ for (T item : aConfig.values()) {
+ Id<T> newId = new Id<T>(prefix + item.getId());
+ valueIds.add(newId);
+ values.add(IdentifiablePrefixProxyFactory.getProxy(prefix, item,
+ Identifiable.class, aConfig.getType()));
+ }
+ }
+
+ @Override
+ public List<T> values() {
+ return values;
+ }
+
+ @Override
+ public boolean remove(Id<T> aId) {
+ notSupported(READ_ONLY_INSTANCE);
+ return false;
+ }
+
+ @Override
+ public void add(T aT) {
+ notSupported(READ_ONLY_INSTANCE);
+ }
+}