/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements. See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership. The ASF licenses this file

  * to you 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.apache.johnzon.jaxrs;

 import javax.ws.rs.core.MediaType;

 import javax.ws.rs.core.MultivaluedMap;

 import javax.ws.rs.ext.MessageBodyReader;

 import javax.ws.rs.ext.MessageBodyWriter;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.OutputStream;

 import java.lang.annotation.Annotation;

 import java.lang.reflect.Type;

 public abstract class DelegateProvider<T> implements MessageBodyWriter<T>, MessageBodyReader<T>  {

     private final MessageBodyReader<T> reader;

     private final MessageBodyWriter<T> writer;

     protected DelegateProvider(final MessageBodyReader<T> reader, final MessageBodyWriter<T> writer) {

         this.reader = reader;

         this.writer = writer;

     }

     @Override

     public boolean isReadable(final Class<?> rawType, final Type genericType,

                               final Annotation[] annotations, final MediaType mediaType) {

         return reader.isReadable(rawType, genericType, annotations, mediaType);

     }

     @Override

     public T readFrom(final Class<T> rawType, final Type genericType,

                       final Annotation[] annotations, final MediaType mediaType,

                       final MultivaluedMap<String, String> httpHeaders,

                       final InputStream entityStream) throws IOException {

         return reader.readFrom(rawType, genericType, annotations, mediaType, httpHeaders, entityStream);

     }

     @Override

     public long getSize(final T t, final Class<?> rawType, final Type genericType,

                         final Annotation[] annotations, final MediaType mediaType) {

         return writer.getSize(t, rawType, genericType, annotations, mediaType);

     }

     @Override

     public boolean isWriteable(final Class<?> rawType, final Type genericType,

                                final Annotation[] annotations, final MediaType mediaType) {

         return writer.isWriteable(rawType, genericType, annotations, mediaType);

     }

     @Override

     public void writeTo(final T t, final Class<?> rawType, final Type genericType,

                         final Annotation[] annotations, final MediaType mediaType,

                         final MultivaluedMap<String, Object> httpHeaders,

                         final OutputStream entityStream) throws IOException {

         writer.writeTo(t, rawType, genericType, annotations, mediaType, httpHeaders, entityStream);

     }

 }