| /* ==================================================================== |
| 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.openxml4j.util; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.commons.compress.archivers.zip.ZipArchiveEntry; |
| import org.apache.poi.util.IOUtils; |
| |
| |
| /** |
| * So we can close the real zip entry and still |
| * effectively work with it. |
| * Holds the (decompressed!) data in memory, so |
| * close this as soon as you can! |
| */ |
| /* package */ class ZipArchiveFakeEntry extends ZipArchiveEntry { |
| private final byte[] data; |
| |
| ZipArchiveFakeEntry(ZipArchiveEntry entry, InputStream inp) throws IOException { |
| super(entry.getName()); |
| |
| final long entrySize = entry.getSize(); |
| |
| if (entrySize < -1 || entrySize>=Integer.MAX_VALUE) { |
| throw new IOException("ZIP entry size is too large or invalid"); |
| } |
| |
| // Grab the de-compressed contents for later |
| data = (entrySize == -1) ? IOUtils.toByteArray(inp) : IOUtils.toByteArray(inp, (int)entrySize); |
| } |
| |
| public InputStream getInputStream() { |
| return new ByteArrayInputStream(data); |
| } |
| } |