69 lines
2.3 KiB
Java
69 lines
2.3 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. 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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*/
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package org.apache.poi.xssf.streaming;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStreamWriter;
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import java.io.Writer;
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import java.util.zip.GZIPInputStream;
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import java.util.zip.GZIPOutputStream;
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/**
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* Sheet writer that supports gzip compression of the temp files.
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*/
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public class GZIPSheetDataWriter extends SheetDataWriter {
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public GZIPSheetDataWriter() throws IOException {
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super();
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}
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/**
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* @return temp file to write sheet data
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*/
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@Override
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public File createTempFile()throws IOException {
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File fd = File.createTempFile("poi-sxssf-sheet-xml", ".gz");
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return fd;
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}
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/**
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* @return a wrapped instance of GZIPOutputStream
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*/
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@Override
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public Writer createWriter(File fd)throws IOException {
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return new OutputStreamWriter(new GZIPOutputStream(new FileOutputStream(fd)));
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}
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/**
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* @return a GZIPInputStream stream to read the compressed temp file
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*/
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@Override
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public InputStream getWorksheetXMLInputStream() throws IOException {
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File fd = getTempFile();
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return new GZIPInputStream(new FileInputStream(fd));
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}
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}
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