Restructuring the form of REST API deployment to provide
for security of app's REST APIs and for consistency of
exception mappers and JSON writer.
Change-Id: Id318372bf62f82ed974355c05e7fe64e0fbfc0c5
diff --git a/utils/rest/src/main/java/org/onlab/rest/JsonBodyWriter.java b/utils/rest/src/main/java/org/onlab/rest/JsonBodyWriter.java
new file mode 100644
index 0000000..8e14167
--- /dev/null
+++ b/utils/rest/src/main/java/org/onlab/rest/JsonBodyWriter.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2014-2015 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.rest;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.MessageBodyWriter;
+import javax.ws.rs.ext.Provider;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+
+/**
+ * JAX-RS Response message body writer.
+ */
+@Provider
+@Produces("application/json")
+public class JsonBodyWriter implements MessageBodyWriter<ObjectNode> {
+
+ private ObjectMapper mapper = new ObjectMapper();
+
+ @Override
+ public boolean isWriteable(Class<?> type, Type genericType,
+ Annotation[] annotations, MediaType mediaType) {
+ return type == ObjectNode.class;
+ }
+
+ @Override
+ public long getSize(ObjectNode node, Class<?> type, Type genericType,
+ Annotation[] annotations, MediaType mediaType) {
+ return -1;
+ }
+
+ @Override
+ public void writeTo(ObjectNode node, Class<?> type, Type genericType,
+ Annotation[] annotations, MediaType mediaType,
+ MultivaluedMap<String, Object> httpHeaders,
+ OutputStream entityStream) throws IOException {
+ mapper.writer().writeValue(entityStream, node);
+ entityStream.flush();
+ }
+}