1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.dx.cf.iface; 18 19 import com.android.dx.cf.attrib.AttConstantValue; 20 import com.android.dx.rop.cst.CstNat; 21 import com.android.dx.rop.cst.CstType; 22 import com.android.dx.rop.cst.TypedConstant; 23 24 /** 25 * Standard implementation of {@link Field}, which directly stores 26 * all the associated data. 27 */ 28 public final class StdField extends StdMember implements Field { 29 /** 30 * Constructs an instance. 31 * 32 * @param definingClass {@code non-null;} the defining class 33 * @param accessFlags access flags 34 * @param nat {@code non-null;} member name and type (descriptor) 35 * @param attributes {@code non-null;} list of associated attributes 36 */ StdField(CstType definingClass, int accessFlags, CstNat nat, AttributeList attributes)37 public StdField(CstType definingClass, int accessFlags, CstNat nat, 38 AttributeList attributes) { 39 super(definingClass, accessFlags, nat, attributes); 40 } 41 42 /** {@inheritDoc} */ getConstantValue()43 public TypedConstant getConstantValue() { 44 AttributeList attribs = getAttributes(); 45 AttConstantValue cval = (AttConstantValue) 46 attribs.findFirst(AttConstantValue.ATTRIBUTE_NAME); 47 48 if (cval == null) { 49 return null; 50 } 51 52 return cval.getConstantValue(); 53 } 54 } 55