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JCLOUDS-641 fix return code for deleteIfEmpty
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Adrian Cole
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Adrian Cole
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Oct 8, 2014
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commit cc00dee92a3075fa26b4fef307d79f571ad9de73
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/* | ||
* 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.openstack.swift.v1; | ||
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import static com.google.common.base.Preconditions.checkNotNull; | ||
import static com.google.common.base.Predicates.equalTo; | ||
import static com.google.common.base.Throwables.propagate; | ||
import static org.jclouds.http.HttpUtils.contains404; | ||
import static org.jclouds.http.HttpUtils.returnValueOnCodeOrNull; | ||
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import org.jclouds.Fallback; | ||
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public final class SwiftFallbacks { | ||
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public static final class TrueOn404FalseOn409 implements Fallback<Boolean> { | ||
@Override | ||
public Boolean createOrPropagate(Throwable t) throws Exception { | ||
if (contains404(checkNotNull(t, "throwable"))) | ||
return true; | ||
if (returnValueOnCodeOrNull(t, false, equalTo(409)) != null) | ||
return false; | ||
throw propagate(t); | ||
} | ||
} | ||
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private SwiftFallbacks() { | ||
throw new AssertionError("intentionally unimplemented"); | ||
} | ||
} |
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