Initial sketch of codecs and REST API approach.
FIxed typos and defects.
ONOS-81
Change-Id: I789444a181abea509c354966545c927e305710d1
diff --git a/web/api/src/main/java/org/onlab/onos/codec/impl/CodecManager.java b/web/api/src/main/java/org/onlab/onos/codec/impl/CodecManager.java
new file mode 100644
index 0000000..30be730
--- /dev/null
+++ b/web/api/src/main/java/org/onlab/onos/codec/impl/CodecManager.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * 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.onlab.onos.codec.impl;
+
+import com.google.common.collect.ImmutableSet;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Service;
+import org.onlab.onos.codec.CodecService;
+import org.onlab.onos.codec.JsonCodec;
+import org.onlab.onos.net.Annotations;
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.Device;
+import org.onlab.onos.net.Link;
+import org.onlab.onos.net.Port;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Implementation of the JSON codec brokering service.
+ */
+@Component(immediate = true)
+@Service
+public class CodecManager implements CodecService {
+
+ private static Logger log = LoggerFactory.getLogger(CodecManager.class);
+
+ private final Map<Class<?>, JsonCodec> codecs = new ConcurrentHashMap<>();
+
+ @Activate
+ public void activate() {
+ codecs.clear();
+ registerCodec(Annotations.class, new AnnotationsCodec());
+ registerCodec(Device.class, new DeviceCodec());
+ registerCodec(Port.class, new PortCodec());
+ registerCodec(ConnectPoint.class, new ConnectPointCodec());
+ registerCodec(Link.class, new LinkCodec());
+ log.info("Started");
+ }
+
+ @Deactivate
+ public void deativate() {
+ codecs.clear();
+ log.info("Stopped");
+ }
+
+ @Override
+ public Set<Class<?>> getCodecs() {
+ return ImmutableSet.copyOf(codecs.keySet());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public <T> JsonCodec<T> getCodec(Class<T> entityClass) {
+ return codecs.get(entityClass);
+ }
+
+ @Override
+ public <T> void registerCodec(Class<T> entityClass, JsonCodec<T> codec) {
+ codecs.putIfAbsent(entityClass, codec);
+ }
+
+ @Override
+ public void unregisterCodec(Class<?> entityClass) {
+ codecs.remove(entityClass);
+ }
+
+}