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 /*
  * Copyright 2006-2007 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.batch.item.file.transform;
A LineTokenizer implementation that stores a mapping of String patterns to delegate LineTokenizers. Each line tokenizied will be checked to see if it matches a pattern. If the line matches a key in the map of delegates, then the corresponding delegate LineTokenizer will be used. Patterns are sorted starting with the most specific, and the first match succeeds.

Author(s):
Ben Hale
Dan Garrette
Dave Syer
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.springframework.batch.item.file.transform.LineTokenizer#tokenize(
	 * java.lang.String)
	 */
	public FieldSet tokenize(String line) {
		return .match(line).tokenize(line);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
	 */
	public void afterPropertiesSet() throws Exception {
		Assert.isTrue(this. != null"The 'tokenizers' property must be non-empty");
	}
	public void setTokenizers(Map<StringLineTokenizertokenizers) {
		Assert.isTrue(!tokenizers.isEmpty(), "The 'tokenizers' property must be non-empty");
		this. = new PatternMatcher<LineTokenizer>(tokenizers);
	}
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