57 lines
2.0 KiB
Java
57 lines
2.0 KiB
Java
/* ====================================================================
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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package org.apache.poi.openxml4j.util;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Enumeration;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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/**
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* A ZipEntrySource wrapper around a ZipFile.
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* Should be as low in terms of memory as a
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* normal ZipFile implementation is.
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*/
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public class ZipFileZipEntrySource implements ZipEntrySource {
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private ZipFile zipArchive;
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public ZipFileZipEntrySource(ZipFile zipFile) {
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this.zipArchive = zipFile;
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}
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public void close() throws IOException {
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if(zipArchive != null) {
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zipArchive.close();
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}
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zipArchive = null;
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}
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public Enumeration<? extends ZipEntry> getEntries() {
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if (zipArchive == null)
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throw new IllegalStateException("Zip File is closed");
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return zipArchive.entries();
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}
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public InputStream getInputStream(ZipEntry entry) throws IOException {
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if (zipArchive == null)
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throw new IllegalStateException("Zip File is closed");
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return zipArchive.getInputStream(entry);
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}
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}
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