/*
* 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.jclouds.atmos.fallbacks;
import static com.google.common.base.Throwables.propagate;
import static com.google.common.util.concurrent.Futures.immediateFuture;
import static org.jclouds.util.Throwables2.getFirstThrowableOfType;
import org.jclouds.Fallback;
import org.jclouds.atmos.AtmosResponseException;
import org.jclouds.atmos.reference.AtmosErrorCode;
import org.jclouds.http.HttpUtils;
import com.google.common.util.concurrent.ListenableFuture;
public final class TrueOn404FalseOnPathNotEmpty implements Fallback<Boolean> {
@Override
public ListenableFuture<Boolean> create(Throwable t) throws Exception {
return immediateFuture(createOrPropagate(t));
}
@Override
public Boolean createOrPropagate(Throwable t) throws Exception {
if (HttpUtils.contains404(t)) {
return true;
}
AtmosResponseException exception = getFirstThrowableOfType(t, AtmosResponseException.class);
if (exception != null && exception.getError().getCode() == AtmosErrorCode.DIRECTORY_NOT_EMPTY.getCode()) {
return false;
}
throw propagate(t);
}
}