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src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/nav/ParameterizedTypeImpl.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/nav/ParameterizedTypeImpl.java

Thu, 31 Aug 2017 15:18:52 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:18:52 +0800

changeset 637

9c07ef4934dd

parent 368

0989ad8c0860

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.xml.internal.bind.v2.model.nav;
aoqi@0	27
aoqi@0	28	import java.lang.reflect.MalformedParameterizedTypeException;
aoqi@0	29	import java.lang.reflect.ParameterizedType;
aoqi@0	30	import java.lang.reflect.Type;
aoqi@0	31	import java.lang.reflect.TypeVariable;
aoqi@0	32	import java.util.Arrays;
aoqi@0	33
aoqi@0	34
aoqi@0	35	/**
aoqi@0	36	* {@link ParameterizedType} implementation.
aoqi@0	37	*/
aoqi@0	38	class ParameterizedTypeImpl implements ParameterizedType {
aoqi@0	39	private Type[] actualTypeArguments;
aoqi@0	40	private Class<?> rawType;
aoqi@0	41	private Type ownerType;
aoqi@0	42
aoqi@0	43	ParameterizedTypeImpl(Class<?> rawType,
aoqi@0	44	Type[] actualTypeArguments,
aoqi@0	45	Type ownerType) {
aoqi@0	46	this.actualTypeArguments = actualTypeArguments;
aoqi@0	47	this.rawType = rawType;
aoqi@0	48	if (ownerType != null) {
aoqi@0	49	this.ownerType = ownerType;
aoqi@0	50	} else {
aoqi@0	51	this.ownerType = rawType.getDeclaringClass();
aoqi@0	52	}
aoqi@0	53	validateConstructorArguments();
aoqi@0	54	}
aoqi@0	55
aoqi@0	56	private void validateConstructorArguments() {
aoqi@0	57	TypeVariable/*<?>*/[] formals = rawType.getTypeParameters();
aoqi@0	58	// check correct arity of actual type args
aoqi@0	59	if (formals.length != actualTypeArguments.length) {
aoqi@0	60	throw new MalformedParameterizedTypeException();
aoqi@0	61	}
aoqi@0	62	/*
aoqi@0	63	for (int i = 0; i < actualTypeArguments.length; i++) {
aoqi@0	64	// check actuals against formals' bounds
aoqi@0	65	}
aoqi@0	66	*/
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	public Type[] getActualTypeArguments() {
aoqi@0	70	return actualTypeArguments.clone();
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	public Class<?> getRawType() {
aoqi@0	74	return rawType;
aoqi@0	75	}
aoqi@0	76
aoqi@0	77	public Type getOwnerType() {
aoqi@0	78	return ownerType;
aoqi@0	79	}
aoqi@0	80
aoqi@0	81	/*
aoqi@0	82	* From the JavaDoc for java.lang.reflect.ParameterizedType
aoqi@0	83	* "Instances of classes that implement this interface must
aoqi@0	84	* implement an equals() method that equates any two instances
aoqi@0	85	* that share the same generic type declaration and have equal
aoqi@0	86	* type parameters."
aoqi@0	87	*/
aoqi@0	88	@Override
aoqi@0	89	public boolean equals(Object o) {
aoqi@0	90	if (o instanceof ParameterizedType) {
aoqi@0	91	// Check that information is equivalent
aoqi@0	92	ParameterizedType that = (ParameterizedType) o;
aoqi@0	93
aoqi@0	94	if (this == that)
aoqi@0	95	return true;
aoqi@0	96
aoqi@0	97	Type thatOwner = that.getOwnerType();
aoqi@0	98	Type thatRawType = that.getRawType();
aoqi@0	99
aoqi@0	100	/*
aoqi@0	101	if (false) { // Debugging
aoqi@0	102	boolean ownerEquality = (ownerType == null ?
aoqi@0	103	thatOwner == null :
aoqi@0	104	ownerType.equals(thatOwner));
aoqi@0	105	boolean rawEquality = (rawType == null ?
aoqi@0	106	thatRawType == null :
aoqi@0	107	rawType.equals(thatRawType));
aoqi@0	108
aoqi@0	109	boolean typeArgEquality = Arrays.equals(actualTypeArguments, // avoid clone
aoqi@0	110	that.getActualTypeArguments());
aoqi@0	111	for (Type t : actualTypeArguments) {
aoqi@0	112	System.out.printf("\t\t%s%s%n", t, t.getClass());
aoqi@0	113	}
aoqi@0	114
aoqi@0	115	System.out.printf("\towner %s\traw %s\ttypeArg %s%n",
aoqi@0	116	ownerEquality, rawEquality, typeArgEquality);
aoqi@0	117	return ownerEquality && rawEquality && typeArgEquality;
aoqi@0	118	}
aoqi@0	119	*/
aoqi@0	120
aoqi@0	121
aoqi@0	122	return
aoqi@0	123	(ownerType == null ?
aoqi@0	124	thatOwner == null :
aoqi@0	125	ownerType.equals(thatOwner)) &&
aoqi@0	126	(rawType == null ?
aoqi@0	127	thatRawType == null :
aoqi@0	128	rawType.equals(thatRawType)) &&
aoqi@0	129	Arrays.equals(actualTypeArguments, // avoid clone
aoqi@0	130	that.getActualTypeArguments());
aoqi@0	131	} else
aoqi@0	132	return false;
aoqi@0	133	}
aoqi@0	134
aoqi@0	135	@Override
aoqi@0	136	public int hashCode() {
aoqi@0	137	return Arrays.hashCode(actualTypeArguments) ^
aoqi@0	138	(ownerType == null ? 0 : ownerType.hashCode()) ^
aoqi@0	139	(rawType == null ? 0 : rawType.hashCode());
aoqi@0	140	}
aoqi@0	141
aoqi@0	142	public String toString() {
aoqi@0	143	StringBuilder sb = new StringBuilder();
aoqi@0	144
aoqi@0	145	if (ownerType != null) {
aoqi@0	146	if (ownerType instanceof Class)
aoqi@0	147	sb.append(((Class) ownerType).getName());
aoqi@0	148	else
aoqi@0	149	sb.append(ownerType.toString());
aoqi@0	150
aoqi@0	151	sb.append(".");
aoqi@0	152
aoqi@0	153	if (ownerType instanceof ParameterizedTypeImpl) {
aoqi@0	154	// Find simple name of nested type by removing the
aoqi@0	155	// shared prefix with owner.
aoqi@0	156	sb.append(rawType.getName().replace(((ParameterizedTypeImpl) ownerType).rawType.getName() + "$",
aoqi@0	157	""));
aoqi@0	158	} else
aoqi@0	159	sb.append(rawType.getName());
aoqi@0	160	} else
aoqi@0	161	sb.append(rawType.getName());
aoqi@0	162
aoqi@0	163	if (actualTypeArguments != null &&
aoqi@0	164	actualTypeArguments.length > 0) {
aoqi@0	165	sb.append("<");
aoqi@0	166	boolean first = true;
aoqi@0	167	for (Type t : actualTypeArguments) {
aoqi@0	168	if (!first)
aoqi@0	169	sb.append(", ");
aoqi@0	170	if (t instanceof Class)
aoqi@0	171	sb.append(((Class) t).getName());
aoqi@0	172	else
aoqi@0	173	sb.append(t.toString());
aoqi@0	174	first = false;
aoqi@0	175	}
aoqi@0	176	sb.append(">");
aoqi@0	177	}
aoqi@0	178
aoqi@0	179	return sb.toString();
aoqi@0	180	}
aoqi@0	181	}