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DexField.java
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package soot.dexpler;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2012 Michael Markert, Frank Hartmann
*
* (c) 2012 University of Luxembourg - Interdisciplinary Centre for
* Security Reliability and Trust (SnT) - All rights reserved
* Alexandre Bartel
*
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import org.jf.dexlib2.iface.Field;
import org.jf.dexlib2.iface.value.BooleanEncodedValue;
import org.jf.dexlib2.iface.value.ByteEncodedValue;
import org.jf.dexlib2.iface.value.CharEncodedValue;
import org.jf.dexlib2.iface.value.DoubleEncodedValue;
import org.jf.dexlib2.iface.value.EncodedValue;
import org.jf.dexlib2.iface.value.FloatEncodedValue;
import org.jf.dexlib2.iface.value.IntEncodedValue;
import org.jf.dexlib2.iface.value.LongEncodedValue;
import org.jf.dexlib2.iface.value.ShortEncodedValue;
import org.jf.dexlib2.iface.value.StringEncodedValue;
import soot.Scene;
import soot.SootField;
import soot.Type;
import soot.tagkit.DoubleConstantValueTag;
import soot.tagkit.FloatConstantValueTag;
import soot.tagkit.IntegerConstantValueTag;
import soot.tagkit.LongConstantValueTag;
import soot.tagkit.StringConstantValueTag;
import soot.tagkit.Tag;
/**
* This class represents all instance and static fields of a dex class. It holds its name, its modifier, and the type
*/
public class DexField {
private DexField() {
}
/**
* Add constant tag. Should only be called if field is final.
*
* @param df
* @param sf
*/
private static void addConstantTag(SootField df, Field sf) {
Tag tag = null;
EncodedValue ev = sf.getInitialValue();
if (ev instanceof BooleanEncodedValue) {
tag = new IntegerConstantValueTag(((BooleanEncodedValue) ev).getValue() ? 1 : 0);
} else if (ev instanceof ByteEncodedValue) {
tag = new IntegerConstantValueTag(((ByteEncodedValue) ev).getValue());
} else if (ev instanceof CharEncodedValue) {
tag = new IntegerConstantValueTag(((CharEncodedValue) ev).getValue());
} else if (ev instanceof DoubleEncodedValue) {
tag = new DoubleConstantValueTag(((DoubleEncodedValue) ev).getValue());
} else if (ev instanceof FloatEncodedValue) {
tag = new FloatConstantValueTag(((FloatEncodedValue) ev).getValue());
} else if (ev instanceof IntEncodedValue) {
tag = new IntegerConstantValueTag(((IntEncodedValue) ev).getValue());
} else if (ev instanceof LongEncodedValue) {
tag = new LongConstantValueTag(((LongEncodedValue) ev).getValue());
} else if (ev instanceof ShortEncodedValue) {
tag = new IntegerConstantValueTag(((ShortEncodedValue) ev).getValue());
} else if (ev instanceof StringEncodedValue) {
tag = new StringConstantValueTag(((StringEncodedValue) ev).getValue());
}
if (tag != null) {
df.addTag(tag);
}
}
/**
*
* @return the Soot equivalent of a field
*/
public static SootField makeSootField(Field f) {
String name = f.getName();
Type type = DexType.toSoot(f.getType());
int flags = f.getAccessFlags();
SootField sf = Scene.v().makeSootField(name, type, flags);
DexField.addConstantTag(sf, f);
return sf;
}
}