85 lines
3.0 KiB
JavaScript
85 lines
3.0 KiB
JavaScript
/*
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* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* JDK-8023373: allow super invocation for adapters
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*
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* @test
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* @run
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*/
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var CharArray = Java.type("char[]")
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var jString = Java.type("java.lang.String")
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var Character = Java.type("java.lang.Character")
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function capitalize(s) {
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if(s instanceof CharArray) {
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return new jString(s).toUpperCase()
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}
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if(s instanceof jString) {
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return s.toUpperCase()
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}
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return Character.toUpperCase(s) // must be int
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}
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var sw = new (Java.type("java.io.StringWriter"))
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var FilterWriterAdapter = Java.extend(Java.type("java.io.FilterWriter"))
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var cw = new FilterWriterAdapter(sw) {
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write: function(s, off, len) {
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s = capitalize(s)
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// Must handle overloads by arity
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if(off === undefined) {
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cw.super$write(s, 0, s.length())
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} else if (typeof s === "string") {
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cw.super$write(s, off, len)
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}
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}
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}
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cw.write("abcd")
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cw.write("e".charAt(0))
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cw.write("fgh".toCharArray())
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cw.write("**ijk**", 2, 3)
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cw.write("***lmno**".toCharArray(), 3, 4)
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cw.flush()
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print(sw)
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// Can invoke super for Object methods
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print("cw has super hashCode(): " + (typeof cw.super$hashCode === "function"))
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print("cw has super equals(): " + (typeof cw.super$equals === "function"))
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// Can't invoke super for final methods
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print("cw has no super getClass(): " + (typeof cw.super$getClass === "undefined"))
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print("cw has no super wait(): " + (typeof cw.super$wait === "undefined"))
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var r = new (Java.type("java.lang.Runnable"))(function() {})
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// Can't invoke super for abstract methods
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print("r has no super run(): " + (typeof r.super$run === "undefined"))
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// Interfaces can also invoke super Object methods
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print("r has super hashCode(): " + (typeof r.super$hashCode === "function"))
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print("r has super equals(): " + (typeof r.super$equals === "function"))
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// But still can't invoke final methods
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print("r has no super getClass(): " + (typeof r.super$getClass === "undefined"))
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print("r has no super wait(): " + (typeof r.super$wait === "undefined"))
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