opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/JsonToCompositeNodeProvider.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.sal.rest.impl;
   9
  10 import java.io.IOException;
  11 import java.io.InputStream;
  12 import java.lang.annotation.Annotation;
  13 import java.lang.reflect.Type;
  14 import javax.ws.rs.Consumes;
  15 import javax.ws.rs.WebApplicationException;
  16 import javax.ws.rs.core.MediaType;
  17 import javax.ws.rs.core.MultivaluedMap;
  18 import javax.ws.rs.ext.MessageBodyReader;
  19 import javax.ws.rs.ext.Provider;
  20 import org.opendaylight.controller.sal.rest.api.Draft02;
  21 import org.opendaylight.controller.sal.rest.api.RestconfService;
  22 import org.opendaylight.controller.sal.restconf.impl.RestconfDocumentedException;
  23 import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorTag;
  24 import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorType;
  25 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 @Provider
  30 @Consumes({ Draft02.MediaTypes.DATA + RestconfService.JSON, Draft02.MediaTypes.OPERATION + RestconfService.JSON,
  31     MediaType.APPLICATION_JSON })
  32 public enum JsonToCompositeNodeProvider implements MessageBodyReader<CompositeNode> {
  33     INSTANCE;
  34
  35     private final static Logger LOG = LoggerFactory.getLogger(JsonToCompositeNodeProvider.class);
  36
  37     @Override
  38     public boolean isReadable(final Class<?> type, final Type genericType,
  39                               final Annotation[] annotations, final MediaType mediaType) {
  40         return true;
  41     }
  42
  43     @Override
  44     public CompositeNode readFrom(final Class<CompositeNode> type, final Type genericType,
  45                                   final Annotation[] annotations, final MediaType mediaType,
  46                                   final MultivaluedMap<String, String> httpHeaders,
  47                                   final InputStream entityStream)
  48                                           throws IOException, WebApplicationException {
  49         try {
  50             return JsonToCompositeNodeReader.read(entityStream);
  51         } catch (Exception e) {
  52             LOG.debug( "Error parsing json input", e);
  53
  54             throw new RestconfDocumentedException(
  55                     "Error parsing input: " + e.getMessage(),
  56                     ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
  57         }
  58     }
  59 }