73 lines
2.8 KiB
Java
73 lines
2.8 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package external.com.android.dx;
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import external.com.android.dx.rop.cst.CstBoolean;
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import external.com.android.dx.rop.cst.CstByte;
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import external.com.android.dx.rop.cst.CstChar;
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import external.com.android.dx.rop.cst.CstDouble;
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import external.com.android.dx.rop.cst.CstFloat;
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import external.com.android.dx.rop.cst.CstInteger;
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import external.com.android.dx.rop.cst.CstKnownNull;
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import external.com.android.dx.rop.cst.CstLong;
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import external.com.android.dx.rop.cst.CstShort;
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import external.com.android.dx.rop.cst.CstString;
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import external.com.android.dx.rop.cst.CstType;
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import external.com.android.dx.rop.cst.TypedConstant;
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/**
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* Factory for rop constants.
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*/
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final class Constants {
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private Constants() {}
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/**
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* Returns a rop constant for the specified value.
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*
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* @param value null, a boxed primitive, String, Class, or TypeId.
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*/
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static TypedConstant getConstant(Object value) {
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if (value == null) {
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return CstKnownNull.THE_ONE;
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} else if (value instanceof Boolean) {
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return CstBoolean.make((Boolean) value);
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} else if (value instanceof Byte) {
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return CstByte.make((Byte) value);
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} else if (value instanceof Character) {
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return CstChar.make((Character) value);
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} else if (value instanceof Double) {
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return CstDouble.make(Double.doubleToLongBits((Double) value));
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} else if (value instanceof Float) {
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return CstFloat.make(Float.floatToIntBits((Float) value));
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} else if (value instanceof Integer) {
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return CstInteger.make((Integer) value);
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} else if (value instanceof Long) {
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return CstLong.make((Long) value);
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} else if (value instanceof Short) {
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return CstShort.make((Short) value);
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} else if (value instanceof String) {
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return new CstString((String) value);
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} else if (value instanceof Class) {
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return new CstType(TypeId.get((Class<?>) value).ropType);
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} else if (value instanceof TypeId) {
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return new CstType(((TypeId) value).ropType);
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} else {
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throw new UnsupportedOperationException("Not a constant: " + value);
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}
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}
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}
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