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/* ====================================================================
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.poi;
/**
* Common Parent for Text Extractors
* of POI Documents.
* You will typically find the implementation of
* a given format's text extractor under
* org.apache.poi.[format].extractor .
* @see org.apache.poi.hssf.extractor.ExcelExtractor
* @see org.apache.poi.hslf.extractor.PowerPointExtractor
* @see org.apache.poi.hdgf.extractor.VisioTextExtractor
* @see org.apache.poi.hwpf.extractor.WordExtractor
*/
public abstract class POITextExtractor {
/** The POIDocument that's open */
protected POIDocument document;
/**
* Creates a new text extractor for the given document
*/
public POITextExtractor(POIDocument document) {
this.document = document;
}
/**
* Retrieves all the text from the document.
* How cells, paragraphs etc are separated in the text
* is implementation specific - see the javadocs for
* a specific project for details.
* @return All the text from the document
*/
public abstract String getText();
}
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