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/*
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* Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
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*/
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package org.jetbrains.java.decompiler.main;
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import org.jetbrains.java.decompiler.main.ClassesProcessor.ClassNode;
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import org.jetbrains.java.decompiler.main.extern.*;
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import org.jetbrains.java.decompiler.modules.renamer.ConverterHelper;
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import org.jetbrains.java.decompiler.modules.renamer.IdentifierConverter;
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import org.jetbrains.java.decompiler.modules.renamer.PoolInterceptor;
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import org.jetbrains.java.decompiler.struct.IDecompiledData;
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import org.jetbrains.java.decompiler.struct.StructClass;
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import org.jetbrains.java.decompiler.struct.StructContext;
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import org.jetbrains.java.decompiler.struct.lazy.LazyLoader;
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import org.jetbrains.java.decompiler.util.TextBuffer;
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import java.util.Map;
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public class Fernflower implements IDecompiledData {
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private final StructContext structContext;
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private final ClassesProcessor classProcessor;
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private IIdentifierRenamer helper;
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private IdentifierConverter converter;
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public Fernflower(IBytecodeProvider provider, IResultSaver saver, Map<String, Object> options, IFernflowerLogger logger) {
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structContext = new StructContext(saver, this, new LazyLoader(provider));
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classProcessor = new ClassesProcessor(structContext);
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PoolInterceptor interceptor = null;
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Object rename = options.get(IFernflowerPreferences.RENAME_ENTITIES);
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if ("1".equals(rename) || rename == null && "1".equals(IFernflowerPreferences.DEFAULTS.get(IFernflowerPreferences.RENAME_ENTITIES))) {
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helper = loadHelper((String)options.get(IFernflowerPreferences.USER_RENAMER_CLASS));
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interceptor = new PoolInterceptor();
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converter = new IdentifierConverter(structContext, helper, interceptor);
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}
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DecompilerContext.initContext(options, logger, structContext, classProcessor, interceptor);
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}
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public void decompileContext() {
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if (converter != null) {
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converter.rename();
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}
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classProcessor.loadClasses(helper);
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structContext.saveContext();
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}
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private static IIdentifierRenamer loadHelper(String className) {
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if (className != null) {
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try {
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Class<?> renamerClass = Fernflower.class.getClassLoader().loadClass(className);
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return (IIdentifierRenamer) renamerClass.getDeclaredConstructor().newInstance();
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}
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catch (Exception ignored) { }
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}
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return new ConverterHelper();
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}
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public void clearContext() {
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DecompilerContext.clearContext();
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}
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public StructContext getStructContext() {
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return structContext;
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}
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@Override
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public String getClassEntryName(StructClass cl, String entryName) {
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ClassNode node = classProcessor.getMapRootClasses().get(cl.qualifiedName);
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if (node.type != ClassNode.CLASS_ROOT) {
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return null;
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}
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else if (converter != null) {
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String simpleClassName = cl.qualifiedName.substring(cl.qualifiedName.lastIndexOf('/') + 1);
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return entryName.substring(0, entryName.lastIndexOf('/') + 1) + simpleClassName + ".java";
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}
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else {
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return entryName.substring(0, entryName.lastIndexOf(".class")) + ".java";
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}
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}
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@Override
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public String getClassContent(StructClass cl) {
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try {
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TextBuffer buffer = new TextBuffer(ClassesProcessor.AVERAGE_CLASS_SIZE);
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buffer.append(DecompilerContext.getProperty(IFernflowerPreferences.BANNER).toString());
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classProcessor.writeClass(cl, buffer);
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return buffer.toString();
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}
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catch (Throwable ex) {
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DecompilerContext.getLogger().writeMessage("Class " + cl.qualifiedName + " couldn't be fully decompiled.", ex);
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return null;
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}
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}
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}
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