org.hydracache.client.transport.ConflictStatusHandler.java Source code

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Here is the source code for org.hydracache.client.transport.ConflictStatusHandler.java

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/*
 * Copyright 2008 the original author or authors.
 *
 * Licensed 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.hydracache.client.transport;

import org.apache.commons.httpclient.HttpStatus;
import org.hydracache.server.data.versioning.VersionConflictException;

/**
 * @author Tan Quach
 * @since 1.0
 */
public class ConflictStatusHandler implements ResponseMessageHandler {

    /* (non-Javadoc)
     * @see org.hydracache.client.http.ResponseCodeHandler#handleResponse()
     */
    @Override
    public ResponseMessage accept(int responseCode, byte[] responseBody) throws Exception {
        if (responseCode == HttpStatus.SC_CONFLICT) {
            throw new VersionConflictException("Version conflict detected, please refresh your local cache.");
        }
        return null;
    }

}