| /* |
| * 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.tuscany.sca.binding.rest.provider; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Type; |
| import java.util.Collections; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.WebApplicationException; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.MultivaluedMap; |
| import javax.ws.rs.ext.MessageBodyReader; |
| import javax.ws.rs.ext.Provider; |
| |
| import org.apache.tuscany.sca.core.ExtensionPointRegistry; |
| import org.apache.tuscany.sca.interfacedef.DataType; |
| import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl; |
| |
| /** |
| * The generic JAX-RS message body reader based on Tuscany's databindingframework |
| */ |
| @Provider |
| @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML, MediaType.TEXT_XML, MediaType.WILDCARD}) |
| public class DataBindingJAXRSReader<T> extends DataBindingJAXRSProvider implements MessageBodyReader<T> { |
| |
| public DataBindingJAXRSReader(ExtensionPointRegistry registry) { |
| super(registry); |
| } |
| |
| public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) { |
| // DataType dataType = createDataType(type, genericType); |
| return supports(type, genericType, annotations, mediaType); |
| } |
| |
| public T readFrom(Class<T> type, |
| Type genericType, |
| Annotation[] annotations, |
| MediaType mediaType, |
| MultivaluedMap<String, String> httpHeaders, |
| InputStream entityStream) throws IOException, WebApplicationException { |
| |
| Object source = entityStream; |
| DataType targetDataType = createDataType(type, genericType); |
| |
| String dataBinding = null; |
| |
| mediaType = new MediaType(mediaType.getType(), mediaType.getSubtype()); |
| // FIXME: [rfeng] This is a hack to handle application/json |
| if (MediaType.APPLICATION_JSON_TYPE.equals(mediaType)) { |
| dataBinding = mediaType.toString() + "#" + InputStream.class.getName(); |
| } else if ("application/x-protobuf".equals(mediaType.toString())) { |
| dataBinding = mediaType.toString() + "#" + InputStream.class.getName(); |
| } |
| else if (MediaType.APPLICATION_XML_TYPE.equals(mediaType) || MediaType.TEXT_XML_TYPE.equals(mediaType)) { |
| dataBinding = InputStream.class.getName(); |
| } else { |
| dataBinding = targetDataType.getDataBinding(); |
| source = convert(entityStream, mediaType.toString(), type); |
| return (T) source; |
| } |
| DataType sourceDataType = |
| new DataTypeImpl(dataBinding, InputStream.class, InputStream.class, InputStream.class); |
| |
| Object result = mediator.mediate(source, sourceDataType, targetDataType, Collections.<String, Object>emptyMap()); |
| return (T)result; |
| } |
| |
| |
| |
| } |