diff options
Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSReader.java | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSReader.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSReader.java new file mode 100644 index 0000000000..d38881eb28 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSReader.java @@ -0,0 +1,88 @@ +/* + * 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.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 +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; + } + + + +} |