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89 lines
2.7 KiB
89 lines
2.7 KiB
/* SerializePreserver Copyright (C) 1999 Jochen Hoenicke.
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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 2, or (at your option)
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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*/
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package jode.obfuscator.modules;
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import jode.obfuscator.*;
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import java.lang.reflect.Modifier;
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import @COLLECTIONS@.Collection;
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public class SerializePreserver implements IdentifierMatcher, OptionHandler {
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boolean onlySUID = true;
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public SerializePreserver() {
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}
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public void setOption(String option, Collection values) {
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if (option.equals("all")) {
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onlySUID = false;
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} else
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throw new IllegalArgumentException("Invalid option `"+option+"'.");
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}
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public final boolean matchesSub(Identifier ident, String name) {
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if (ident instanceof PackageIdentifier)
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return true;
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if (ident instanceof ClassIdentifier) {
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ClassIdentifier clazz = (ClassIdentifier) ident;
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return (clazz.isSerializable()
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&& (!onlySUID || clazz.hasSUID()));
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}
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return false;
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}
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public final boolean matches(Identifier ident) {
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ClassIdentifier clazz;
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if (ident instanceof ClassIdentifier)
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clazz = (ClassIdentifier) ident;
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else if (ident instanceof FieldIdentifier)
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clazz = (ClassIdentifier) ident.getParent();
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else
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return false;
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if (!clazz.isSerializable()
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|| (onlySUID && !clazz.hasSUID()))
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return false;
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if (ident instanceof FieldIdentifier) {
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FieldIdentifier field = (FieldIdentifier) ident;
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if ((field.getModifiers()
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& (Modifier.TRANSIENT | Modifier.STATIC)) == 0)
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return true;
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if (ident.getName().equals("serialPersistentFields")
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|| ident.getName().equals("serialVersionUID"))
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return true;
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} else if (ident instanceof MethodIdentifier) {
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if (ident.getName().equals("writeObject")
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&& ident.getType().equals("(Ljava.io.ObjectOutputStream)V"))
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return true;
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if (ident.getName().equals("readObject")
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&& ident.getType().equals("(Ljava.io.ObjectInputStream)V"))
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return true;
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} else if (ident instanceof ClassIdentifier) {
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if (!clazz.hasSUID())
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clazz.addSUID();
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return true;
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}
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return false;
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}
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public final String getNextComponent(Identifier ident) {
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return null;
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}
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}
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