/*
* Copyright 2002-2008 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.springframework.integration.splitter;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import org.springframework.integration.core.Message;
/**
* The default Message Splitter implementation. Returns individual Messages
* after receiving an array or Collection. If a value is provided for the
* 'delimiters' property, then String payloads will be tokenized based on
* those delimiters.
*
* @author Mark Fisher
*/
public class DefaultMessageSplitter extends AbstractMessageSplitter {
private volatile String delimiters;
/**
* Set delimiters to use for tokenizing String values. The default is
* <code>null</code> indicating that no tokenization should occur. If
* delimiters are provided, they will be applied to any String payload.
*/
public void setDelimiters(String delimiters) {
this.delimiters = delimiters;
}
protected final Object splitMessage(Message<?> message) {
Object payload = message.getPayload();
if (payload instanceof String && this.delimiters != null) {
List<String> tokens = new ArrayList<String>();
StringTokenizer tokenizer = new StringTokenizer((String) payload, this.delimiters);
while (tokenizer.hasMoreElements()) {
tokens.add(tokenizer.nextToken());
}
return tokens;
}
return payload;
}
}
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