Fix the nullpointer error when register PNF

[aai/esr-server.git] / esr-mgr / src / main / java / org / onap / aai / esr / externalservice / aai / PnfRegisterProvider.java

diff --git a/esr-mgr/src/main/java/org/onap/aai/esr/externalservice/aai/PnfRegisterProvider.java b/esr-mgr/src/main/java/org/onap/aai/esr/externalservice/aai/PnfRegisterProvider.java
index 596f062..ec83cc6 100644 (file)
--- a/esr-mgr/src/main/java/org/onap/aai/esr/externalservice/aai/PnfRegisterProvider.java
+++ b/esr-mgr/src/main/java/org/onap/aai/esr/externalservice/aai/PnfRegisterProvider.java
@@ -15,6 +15,39 @@
  */
 package org.onap.aai.esr.externalservice.aai;
 
-public class PnfRegisterProvider {
+import java.io.IOException;
+import java.io.OutputStream;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.MessageBodyWriter;
+import org.onap.aai.esr.entity.aai.Pnf;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import com.google.gson.Gson;
 
+public class PnfRegisterProvider implements MessageBodyWriter<Pnf> {
+    private static final Logger logger = LoggerFactory.getLogger(PnfRegisterProvider.class);
+
+    @Override
+    public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+        return Pnf.class.isAssignableFrom(type);
+    }
+
+    @Override
+    public long getSize(Pnf t, Class<?> type, Type genericType, Annotation[] annotations,
+            MediaType mediaType) {
+        return -1;
+    }
+
+    @Override
+    public void writeTo(Pnf t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+            MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream)
+            throws IOException, WebApplicationException {
+        String json = new Gson().toJson(t, Pnf.class);
+        logger.info("the param to register PNF input is:" + json);
+        entityStream.write(json.getBytes("UTF-8"));
+    }
 }