| /** |
| * 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.camel.component.file.strategy; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.component.file.GenericFile; |
| import org.apache.camel.component.file.GenericFileEndpoint; |
| import org.apache.camel.component.file.GenericFileOperations; |
| |
| public class GenericFileRenameProcessStrategy<T> extends GenericFileProcessStrategySupport<T> { |
| private GenericFileRenamer<T> beginRenamer; |
| private GenericFileRenamer<T> failureRenamer; |
| private GenericFileRenamer<T> commitRenamer; |
| |
| public GenericFileRenameProcessStrategy() { |
| } |
| |
| @Override |
| public boolean begin(GenericFileOperations<T> operations, GenericFileEndpoint<T> endpoint, Exchange exchange, GenericFile<T> file) throws Exception { |
| |
| // We need to invoke super, but to the file that we are going to use for processing, so we do super after renaming. |
| GenericFile<T> to = file; |
| |
| if (beginRenamer != null) { |
| GenericFile<T> newName = beginRenamer.renameFile(exchange, file); |
| to = renameFile(operations, file, newName); |
| if (to != null) { |
| to.bindToExchange(exchange); |
| } |
| } |
| // must invoke super |
| boolean result = super.begin(operations, endpoint, exchange, to); |
| if (!result) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void rollback(GenericFileOperations<T> operations, GenericFileEndpoint<T> endpoint, Exchange exchange, GenericFile<T> file) throws Exception { |
| // must invoke super |
| super.rollback(operations, endpoint, exchange, file); |
| |
| if (failureRenamer != null) { |
| // create a copy and bind the file to the exchange to be used by the renamer to evaluate the file name |
| Exchange copy = exchange.copy(); |
| file.bindToExchange(copy); |
| // must preserve message id |
| copy.getIn().setMessageId(exchange.getIn().getMessageId()); |
| copy.setExchangeId(exchange.getExchangeId()); |
| |
| GenericFile<T> newName = failureRenamer.renameFile(copy, file); |
| renameFile(operations, file, newName); |
| } |
| } |
| |
| @Override |
| public void commit(GenericFileOperations<T> operations, GenericFileEndpoint<T> endpoint, Exchange exchange, GenericFile<T> file) throws Exception { |
| // must invoke super |
| super.commit(operations, endpoint, exchange, file); |
| |
| if (commitRenamer != null) { |
| // create a copy and bind the file to the exchange to be used by the renamer to evaluate the file name |
| Exchange copy = exchange.copy(); |
| file.bindToExchange(copy); |
| // must preserve message id |
| copy.getIn().setMessageId(exchange.getIn().getMessageId()); |
| copy.setExchangeId(exchange.getExchangeId()); |
| |
| GenericFile<T> newName = commitRenamer.renameFile(copy, file); |
| renameFile(operations, file, newName); |
| } |
| } |
| |
| public GenericFileRenamer<T> getBeginRenamer() { |
| return beginRenamer; |
| } |
| |
| public void setBeginRenamer(GenericFileRenamer<T> beginRenamer) { |
| this.beginRenamer = beginRenamer; |
| } |
| |
| public GenericFileRenamer<T> getCommitRenamer() { |
| return commitRenamer; |
| } |
| |
| public void setCommitRenamer(GenericFileRenamer<T> commitRenamer) { |
| this.commitRenamer = commitRenamer; |
| } |
| |
| public GenericFileRenamer<T> getFailureRenamer() { |
| return failureRenamer; |
| } |
| |
| public void setFailureRenamer(GenericFileRenamer<T> failureRenamer) { |
| this.failureRenamer = failureRenamer; |
| } |
| } |