47 lines
1.3 KiB
Java
47 lines
1.3 KiB
Java
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/*
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* Copyright (C) 2009 The Guava Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.common.io;
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import java.io.IOException;
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import com.google.common.annotations.Beta;
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/**
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* A callback to be used with the streaming {@code readLines} methods.
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*
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* <p>
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* {@link #processLine} will be called for each line that is read, and should
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* return {@code false} when you want to stop processing.
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*
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* @author Miles Barr
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* @since 1.0
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*/
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@Beta
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public interface LineProcessor<T> {
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/**
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* This method will be called once for each line.
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*
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* @param line the line read from the input, without delimiter
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* @return true to continue processing, false to stop
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*/
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boolean processLine(String line) throws IOException;
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/** Return the result of processing all the lines. */
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T getResult();
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}
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