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https://github.com/wisemapping/wisemapping-open-source.git
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69 lines
2.2 KiB
Java
Executable File
69 lines
2.2 KiB
Java
Executable File
/*
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* Copyright [2015] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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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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package com.wisemapping.util;
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import org.apache.commons.io.IOUtils;
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import org.jetbrains.annotations.NotNull;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipInputStream;
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import java.util.zip.ZipOutputStream;
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public class ZipUtils {
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public static byte[] zipToBytes(byte[] zip) throws IOException {
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byte[] result = null;
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if (zip != null) {
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final ByteArrayInputStream in = new ByteArrayInputStream(zip);
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final ZipInputStream zipIn = new ZipInputStream(in);
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zipIn.getNextEntry();
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result = IOUtils.toByteArray(zipIn);
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zipIn.closeEntry();
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zipIn.close();
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}
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return result;
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}
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public static byte[] bytesToZip(@NotNull final byte[] content) throws IOException {
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ZipOutputStream zip = null;
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final ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
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try {
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zip = new ZipOutputStream(byteArray);
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ZipEntry zEntry = new ZipEntry("content");
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zip.putNextEntry(zEntry);
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IOUtils.write(content, zip);
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zip.closeEntry();
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} finally {
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if (zip != null) {
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zip.flush();
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zip.close();
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}
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}
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return byteArray.toByteArray();
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}
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}
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