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c2eab3101c
Use BrutIO where possible to improve and simplify stream handling. Ensure streams are closed when no longer needed. Some minor formatting tweaks and naming consistency. No functionality changes.
67 lines
2.4 KiB
Java
67 lines
2.4 KiB
Java
/*
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* Copyright (C) 2010 Ryszard Wiśniewski <brut.alll@gmail.com>
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* Copyright (C) 2010 Connor Tumbleson <connor.tumbleson@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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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* https://www.apache.org/licenses/LICENSE-2.0
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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 brut.util;
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import brut.common.BrutException;
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import brut.util.BrutIO;
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import org.apache.commons.io.IOUtils;
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import java.io.*;
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import java.nio.file.Files;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.concurrent.ThreadLocalRandom;
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public abstract class Jar {
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private static final Map<String, File> mExtracted = new HashMap<>();
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public static File getResourceAsFile(String name, Class<?> clazz) throws BrutException {
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File file = mExtracted.get(name);
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if (file == null) {
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file = extractToTmp(name, clazz);
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mExtracted.put(name, file);
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}
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return file;
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}
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public static File extractToTmp(String resourcePath, Class<?> clazz) throws BrutException {
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return extractToTmp(resourcePath, "brut_util_Jar_", clazz);
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}
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public static File extractToTmp(String resourcePath, String tmpPrefix, Class<?> clazz) throws BrutException {
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InputStream in = null;
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try {
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in = clazz.getResourceAsStream(resourcePath);
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if (in == null) {
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throw new FileNotFoundException(resourcePath);
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}
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long suffix = ThreadLocalRandom.current().nextLong();
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suffix = suffix == Long.MIN_VALUE ? 0 : Math.abs(suffix);
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File fileOut = File.createTempFile(tmpPrefix, suffix + ".tmp");
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fileOut.deleteOnExit();
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BrutIO.copyAndClose(in, Files.newOutputStream(fileOut.toPath()));
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return fileOut;
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} catch (IOException ex) {
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throw new BrutException("Could not extract resource: " + resourcePath, ex);
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} finally {
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IOUtils.closeQuietly(in);
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}
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}
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}
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