| /* |
| * ==================================================================== |
| * 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); |
| } |
| |
| } |