/**
* 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.cxf.jaxrs.rx.provider;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Providers;
import org.apache.cxf.jaxrs.utils.InjectionUtils;
import rx.Observable;
public class ObservableReader<T> implements MessageBodyReader<Observable<T>> {
@Context
private Providers providers;
@Override
public boolean isReadable(Class<?> arg0, Type arg1, Annotation[] arg2, MediaType arg3) {
return true;
}
@Override
public Observable<T> readFrom(Class<Observable<T>> cls, Type t, Annotation[] anns, MediaType mt,
MultivaluedMap<String, String> headers, InputStream is)
throws IOException, WebApplicationException {
@SuppressWarnings("unchecked")
Class<T> actualCls = (Class<T>)InjectionUtils.getActualType(t);
final MessageBodyReader<T> mbr =
(MessageBodyReader<T>)providers.getMessageBodyReader(actualCls, actualCls, anns, mt);
if (mbr == null) {
throw new ProcessingException("MBR is null");
}
return Observable.just(mbr.readFrom(actualCls, actualCls, anns, mt, headers, is));
}
}