org.apache.poi.xssf.streaming.GZIPSheetDataWriter Maven / Gradle / Ivy
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This OSGi bundle wraps poi, poi-contrib, poi-ooxml, poi-ooxml-schemas and poi-scratchpad ${pkgVersion} jar files.
/*
* ====================================================================
* 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.xssf.streaming;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import org.apache.poi.util.TempFile;
import org.apache.poi.xssf.model.SharedStringsTable;
/**
* Sheet writer that supports gzip compression of the temp files.
*/
public class GZIPSheetDataWriter extends SheetDataWriter {
public GZIPSheetDataWriter() throws IOException {
super();
}
/**
* @param sharedStringsTable the shared strings table, or null if inline text is used
*/
public GZIPSheetDataWriter(SharedStringsTable sharedStringsTable) throws IOException {
super(sharedStringsTable);
}
/**
* @return temp file to write sheet data
*/
@Override
public File createTempFile() throws IOException {
return TempFile.createTempFile("poi-sxssf-sheet-xml", ".gz");
}
@Override
protected InputStream decorateInputStream(FileInputStream fis) throws IOException {
return new GZIPInputStream(fis);
}
@Override
protected OutputStream decorateOutputStream(FileOutputStream fos) throws IOException {
return new GZIPOutputStream(fos);
}
}