/******************************************************************************* * Copyright (C) 2015 Josef Cacek * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. *******************************************************************************/ package com.github.kwart.jd; import org.jd.core.v1.ClassFileToJavaSourceDecompiler; import org.jd.core.v1.api.loader.Loader; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.github.kwart.jd.options.DecompilerOptions; import com.github.kwart.jd.printer.StringBuilderPrinter; /** * Decompiler implementation, which uses an JD Core to decompile classes. */ public class JavaDecompiler { private static final Logger LOGGER = LoggerFactory.getLogger(JavaDecompiler.class); private final DecompilerOptions options; private final ClassFileToJavaSourceDecompiler classDecompiler; public JavaDecompiler(DecompilerOptions options) { this.options = options; this.classDecompiler = new ClassFileToJavaSourceDecompiler(); } /** * Decompile a single class from given base location. * * @param loader * @param internalName class name (with path relative to basePath) * @return decompiled class as a String or null if sth fails */ public String decompileClass(Loader loader, String internalName) { LOGGER.debug("Decompiling class {}", internalName); if (loader == null) { LOGGER.warn("Loader was null"); return null; } StringBuilderPrinter sbp = new StringBuilderPrinter(options); try { classDecompiler.decompile(loader, sbp, internalName); } catch (Exception e) { LOGGER.error("Can't decompile " + internalName, e); return null; } return sbp.toString(); } public DecompilerOptions getOptions() { return options; } }