/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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.jclouds.fallbacks;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Throwables.propagate;
import static com.google.common.util.concurrent.Futures.immediateFuture;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.Fallback;
import org.jclouds.http.HttpResponseException;
import org.jclouds.rest.AuthorizationException;
import org.jclouds.rest.ResourceNotFoundException;
import com.google.common.util.concurrent.ListenableFuture;
/**
*
* @author Adrian Cole
*/
@Singleton
public final class MapHttp4xxCodesToExceptions implements Fallback<Object> {
private final PropagateIfRetryAfter propagateIfRetryAfter;
@Inject
MapHttp4xxCodesToExceptions(PropagateIfRetryAfter propagateIfRetryAfter) { // NO_UCD
this.propagateIfRetryAfter = checkNotNull(propagateIfRetryAfter, "propagateIfRetryAfter");
}
@Override
public ListenableFuture<Object> create(Throwable t) throws Exception { // NO_UCD
return immediateFuture(createOrPropagate(t));
}
@Override
public Object createOrPropagate(Throwable t) throws Exception {
propagateIfRetryAfter.create(t); // if we pass here, we aren't a retry-after exception
if (t instanceof HttpResponseException) {
HttpResponseException responseException = HttpResponseException.class.cast(t);
if (responseException.getResponse() != null)
switch (responseException.getResponse().getStatusCode()) {
case 401:
throw new AuthorizationException(responseException);
case 403:
throw new AuthorizationException(responseException);
case 404:
throw new ResourceNotFoundException(responseException);
case 409:
throw new IllegalStateException(responseException);
}
}
throw propagate(t);
}
}