/*
* 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.brooklyn.rest.client.util.http;
import java.lang.annotation.Annotation;
import javax.ws.rs.core.Response;
import org.apache.brooklyn.util.exceptions.Exceptions;
import org.jboss.resteasy.client.core.BaseClientResponse;
import org.jboss.resteasy.core.Headers;
import org.jboss.resteasy.specimpl.BuiltResponse;
/**
* Allows wrapping a {@link Response} with the stream fully read and closed so that the client can be re-used.
* <p>
* The entity may be stored as a string as type info is not available when it is deserialized,
* and that's a relatively convenient common format.
*
* TODO It would be nice to support other parsing, storing the byte array.
*/
public class BuiltResponsePreservingError extends BuiltResponse {
private Throwable error;
public BuiltResponsePreservingError(int status, Headers<Object> headers, Object entity, Annotation[] annotations, Throwable error) {
super(status, headers, entity, annotations);
this.error = error;
}
@SuppressWarnings("deprecation")
public static <T> Response copyResponseAndClose(Response source, Class<T> type) {
int status = -1;
Headers<Object> headers = new Headers<Object>();
Object entity = null;
try {
status = source.getStatus();
if (source instanceof BaseClientResponse)
headers.putAll(((BaseClientResponse<?>)source).getMetadata());
if (source instanceof org.jboss.resteasy.client.ClientResponse) {
entity = ((org.jboss.resteasy.client.ClientResponse<?>)source).getEntity(type);
} else {
entity = source.getEntity();
}
return new BuiltResponsePreservingError(status, headers, entity, new Annotation[0], null);
} catch (Exception e) {
Exceptions.propagateIfFatal(e);
return new BuiltResponsePreservingError(status, headers, entity, new Annotation[0], e);
} finally {
if (source instanceof BaseClientResponse)
((BaseClientResponse<?>)source).close();
}
}
@Override
public Object getEntity() {
if (error!=null) {
throw new IllegalStateException("getEntity called on BuiltResponsePreservingError, where an Error had been preserved", error);
}
return super.getEntity();
}
}