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/*
* Copyright 2003-2004 Apache Software Foundation
*
* 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.apache.tools.ant.util;
import java.io.Reader;
import java.io.IOException;
/**
* input stream tokenizers implement this interface
*
* @author Peter Reilly
* @version Ant 1.6
*/
public interface Tokenizer {
/**
* get the next token from the input stream
* @param in the input stream
* @return the next token, or null for the end
* of the stream
* @throws IOException if an error occurs
*/
String getToken(Reader in)
throws IOException;
/**
* return the string between tokens, after the
* previous token.
* @return the intra-token string
*/
String getPostToken();
}
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