/*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html.
*
* This file is a derivative of code released under the terms listed below.
*
*/
/*
*
* Copyright (c) 2009-2012,
*
* Jonathan Bardin <astrosus@gmail.com>
* Steve Suh <suhsteve@gmail.com>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The names of the contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
*/
package com.ibm.wala.dalvik.classLoader;
import static org.jf.dexlib.Util.AccessFlags.FINAL;
import static org.jf.dexlib.Util.AccessFlags.PRIVATE;
import static org.jf.dexlib.Util.AccessFlags.PROTECTED;
import static org.jf.dexlib.Util.AccessFlags.PUBLIC;
import static org.jf.dexlib.Util.AccessFlags.STATIC;
import static org.jf.dexlib.Util.AccessFlags.VOLATILE;
import java.util.Collection;
import org.jf.dexlib.ClassDataItem.EncodedField;
import org.jf.dexlib.StringIdItem;
import org.jf.dexlib.TypeIdItem;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.classLoader.IField;
import com.ibm.wala.ipa.cha.IClassHierarchy;
import com.ibm.wala.types.FieldReference;
import com.ibm.wala.types.TypeName;
import com.ibm.wala.types.TypeReference;
import com.ibm.wala.types.annotations.Annotation;
import com.ibm.wala.util.strings.Atom;
public class DexIField implements IField {
/*
* The EncodedFied object for which this DexIField is a wrapper
*/
private final EncodedField eField;
/**
* The declaring class for this method.
*/
private final DexIClass myClass;
/**
* name of the return type for this method,
* construct in the get return type method.
*/
//private TypeReference typeReference;
/**
* canonical FieldReference corresponding to this method,
* construct in the getReference method.
*/
private FieldReference fieldReference, myFieldRef;
private Atom name;
public DexIField(EncodedField encodedField, DexIClass klass) {
//public DexIField(EncodedField encodedField) {
eField = encodedField;
myClass = klass;
StringIdItem fieldName = eField.field.getFieldName();
name = Atom.findOrCreateUnicodeAtom(fieldName.getStringValue());
TypeIdItem fieldType = eField.field.getFieldType();
TypeName T = DexUtil.getTypeName(fieldType);
TypeReference type = TypeReference.findOrCreate(myClass.getClassLoader().getReference(), T);
myFieldRef = FieldReference.findOrCreate(myClass.getReference(), name, type);
}
public TypeReference getFieldTypeReference() {
//compute the typeReference from the EncodedField
// if (typeReference == null) {
// typeReference = TypeReference.findOrCreate(myClass.getClassLoader()
// .getReference(), eField.field.getFieldType().getTypeDescriptor());
// }
// return typeReference;
return myFieldRef.getFieldType();
}
public FieldReference getReference() {
if (fieldReference == null) {
// fieldReference = FieldReference.findOrCreate(myClass.getReference(),
// eField.field.getContainingClass().getTypeDescriptor(), eField.field.getFieldName().getStringValue(),
// eField.field.getFieldType().getTypeDescriptor());
fieldReference = FieldReference.findOrCreate(myClass.getReference(), getName(), getFieldTypeReference());
}
return fieldReference;
}
public Atom getName() {
return name;
}
public boolean isFinal() {
return (eField.accessFlags & FINAL.getValue()) != 0;
}
public boolean isPrivate() {
return (eField.accessFlags & PRIVATE.getValue()) != 0;
}
public boolean isProtected() {
return (eField.accessFlags & PROTECTED.getValue()) != 0;
}
public boolean isPublic() {
return (eField.accessFlags & PUBLIC.getValue()) != 0;
}
public boolean isStatic() {
return (eField.accessFlags & STATIC.getValue()) != 0;
}
public IClass getDeclaringClass() {
return myClass;
}
public boolean isVolatile() {
return (eField.accessFlags & VOLATILE.getValue()) != 0;
}
public IClassHierarchy getClassHierarchy() {
return myClass.getClassHierarchy();
}
@Override
public Collection<Annotation> getAnnotations() {
return DexUtil.getAnnotations(myClass.getAnnotations(eField.field), myClass.getClassLoader().getReference());
}
}