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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dx.gen;
import com.android.dx.rop.cst.CstType;
import java.util.HashMap;
import java.util.Map;
/**
* A primitive type, interface or class.
*/
public final class Type<T> {
/** The {@code boolean} primitive type. */
public static final Type<Boolean> BOOLEAN
= new Type<Boolean>(com.android.dx.rop.type.Type.BOOLEAN);
/** The {@code byte} primitive type. */
public static final Type<Byte> BYTE = new Type<Byte>(com.android.dx.rop.type.Type.BYTE);
/** The {@code char} primitive type. */
public static final Type<Character> CHAR
= new Type<Character>(com.android.dx.rop.type.Type.CHAR);
/** The {@code double} primitive type. */
public static final Type<Double> DOUBLE = new Type<Double>(com.android.dx.rop.type.Type.DOUBLE);
/** The {@code float} primitive type. */
public static final Type<Float> FLOAT = new Type<Float>(com.android.dx.rop.type.Type.FLOAT);
/** The {@code int} primitive type. */
public static final Type<Integer> INT = new Type<Integer>(com.android.dx.rop.type.Type.INT);
/** The {@code long} primitive type. */
public static final Type<Long> LONG = new Type<Long>(com.android.dx.rop.type.Type.LONG);
/** The {@code short} primitive type. */
public static final Type<Short> SHORT = new Type<Short>(com.android.dx.rop.type.Type.SHORT);
/** The {@code void} primitive type. Only used as a return type. */
public static final Type<Void> VOID = new Type<Void>(com.android.dx.rop.type.Type.VOID);
/** The {@code Object} type. */
public static final Type<Object> OBJECT = new Type<Object>(com.android.dx.rop.type.Type.OBJECT);
/** The {@code String} type. */
public static final Type<String> STRING = new Type<String>(com.android.dx.rop.type.Type.STRING);
private static final Map<Class<?>, Type<?>> PRIMITIVE_TO_TYPE
= new HashMap<Class<?>, Type<?>>();
static {
PRIMITIVE_TO_TYPE.put(boolean.class, BOOLEAN);
PRIMITIVE_TO_TYPE.put(byte.class, BYTE);
PRIMITIVE_TO_TYPE.put(char.class, CHAR);
PRIMITIVE_TO_TYPE.put(double.class, DOUBLE);
PRIMITIVE_TO_TYPE.put(float.class, FLOAT);
PRIMITIVE_TO_TYPE.put(int.class, INT);
PRIMITIVE_TO_TYPE.put(long.class, LONG);
PRIMITIVE_TO_TYPE.put(short.class, SHORT);
PRIMITIVE_TO_TYPE.put(void.class, VOID);
}
final String name;
/** cached converted values */
final com.android.dx.rop.type.Type ropType;
final CstType constant;
Type(com.android.dx.rop.type.Type ropType) {
this(ropType.getDescriptor(), ropType);
}
Type(String name, com.android.dx.rop.type.Type ropType) {
if (name == null || ropType == null) {
throw new NullPointerException();
}
this.name = name;
this.ropType = ropType;
this.constant = CstType.intern(ropType);
}
/**
* @param name a descriptor like "Ljava/lang/Class;".
*/
public static <T> Type<T> get(String name) {
return new Type<T>(name, com.android.dx.rop.type.Type.internReturnType(name));
}
public static <T> Type<T> get(Class<T> type) {
if (type.isPrimitive()) {
@SuppressWarnings("unchecked") // guarded by equals
Type<T> result = (Type<T>) PRIMITIVE_TO_TYPE.get(type);
return result;
}
String name = type.getName().replace('.', '/');
return get(type.isArray() ? name : 'L' + name + ';');
}
public <V> FieldId<T, V> getField(Type<V> type, String name) {
return new FieldId<T, V>(this, type, name);
}
public MethodId<T, Void> getConstructor(Type<?>... parameters) {
return new MethodId<T, Void>(this, VOID, "<init>", new TypeList(parameters));
}
public <R> MethodId<T, R> getMethod(Type<R> returnType, String name, Type<?>... parameters) {
return new MethodId<T, R>(this, returnType, name, new TypeList(parameters));
}
public String getName() {
return name;
}
@Override public boolean equals(Object o) {
return o instanceof Type
&& ((Type) o).name.equals(name);
}
@Override public int hashCode() {
return name.hashCode();
}
@Override public String toString() {
return name;
}
}
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