48 lines
2.0 KiB
Java
48 lines
2.0 KiB
Java
package the.bytecode.club.bytecodeviewer.util;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Objects;
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/***************************************************************************
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* Bytecode Viewer (BCV) - Java & Android Reverse Engineering Suite *
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* Copyright (C) 2014 Kalen 'Konloch' Kinloch - http://bytecodeviewer.com *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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/**
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* @author Konloch
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* @since 7/6/2021
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*/
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public class ClassFileUtils
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{
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/**
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* Grab the byte array from the loaded Class object by getting the resource from the classloader
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*/
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public static byte[] getClassFileBytes(Class<?> clazz) throws IOException
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{
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try (InputStream is = clazz.getResourceAsStream("/" + clazz.getName().replace('.', '/') + ".class");
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ByteArrayOutputStream baos = new ByteArrayOutputStream())
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{
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int r;
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byte[] buffer = new byte[8192];
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while ((r = Objects.requireNonNull(is).read(buffer)) >= 0)
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baos.write(buffer, 0, r);
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return baos.toByteArray();
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}
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}
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}
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