Restructured the project creating a router directory for the router bundle implementa...

[xmlrouter] / router / impl / src / main / java / org / wamblee / xmlrouter / impl / CompositeConfig.java

diff --git a/router/impl/src/main/java/org/wamblee/xmlrouter/impl/CompositeConfig.java b/router/impl/src/main/java/org/wamblee/xmlrouter/impl/CompositeConfig.java
new file mode 100644 (file)
index 0000000..3b45a3e
--- /dev/null
+++ b/router/impl/src/main/java/org/wamblee/xmlrouter/impl/CompositeConfig.java
@@ -0,0 +1,103 @@
+/*
+ * 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);
+    }
+}