langtools/src/share/classes/com/sun/tools/javap/Context.java
author briangoetz
Wed, 18 Dec 2013 16:05:18 -0500
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parent 5847 1908176fd6e3
permissions -rw-r--r--
8030244: Update langtools to use Diamond Reviewed-by: darcy
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/*
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 * Copyright (c) 2007, 2008, 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.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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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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package com.sun.tools.javap;
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import java.util.HashMap;
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import java.util.Map;
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/*
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 *  Class from which to put/get shared resources.
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 *
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 *  <p><b>This is NOT part of any supported API.
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 *  If you write code that depends on this, you do so at your own risk.
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 *  This code and its internal interfaces are subject to change or
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 *  deletion without notice.</b>
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 */
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public class Context {
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    Map<Class<?>, Object> map;
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    public Context() {
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       map = new HashMap<>();
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    }
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    @SuppressWarnings("unchecked")
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    public <T> T get(Class<T> key) {
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        return (T) map.get(key);
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    }
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    @SuppressWarnings("unchecked")
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    public <T> T put(Class<T> key, T value) {
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        return (T) map.put(key, value);
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    }
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}