src/java.base/share/classes/java/lang/TypeNotPresentException.java
author rriggs
Wed, 28 Nov 2018 15:53:49 -0500
changeset 52724 0bdbf854472f
parent 47216 71c04702a3d5
child 57956 e0b8b019d2f5
permissions -rw-r--r--
4947890: Minimize JNI upcalls in system-properties initialization Reviewed-by: erikj, mchung, bchristi, ihse, coleenp, stuefe
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/*
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 * Copyright (c) 2003, 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 java.lang;
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/**
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 * Thrown when an application tries to access a type using a string
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 * representing the type's name, but no definition for the type with
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 * the specified name can be found.   This exception differs from
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 * {@link ClassNotFoundException} in that {@code ClassNotFoundException} is a
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 * checked exception, whereas this exception is unchecked.
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 *
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 * <p>Note that this exception may be used when undefined type variables
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 * are accessed as well as when types (e.g., classes, interfaces or
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 * annotation types) are loaded.
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 * In particular, this exception can be thrown by the {@linkplain
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 * java.lang.reflect.AnnotatedElement API used to read annotations
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 * reflectively}.
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 *
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 * @author  Josh Bloch
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 * @see     java.lang.reflect.AnnotatedElement
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 * @since 1.5
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 */
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public class TypeNotPresentException extends RuntimeException {
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    private static final long serialVersionUID = -5101214195716534496L;
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    private String typeName;
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    /**
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     * Constructs a {@code TypeNotPresentException} for the named type
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     * with the specified cause.
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     *
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     * @param typeName the fully qualified name of the unavailable type
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     * @param cause the exception that was thrown when the system attempted to
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     *    load the named type, or {@code null} if unavailable or inapplicable
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     */
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    public TypeNotPresentException(String typeName, Throwable cause) {
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        super("Type " + typeName + " not present", cause);
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        this.typeName = typeName;
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    }
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    /**
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     * Returns the fully qualified name of the unavailable type.
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     *
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     * @return the fully qualified name of the unavailable type
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     */
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    public String typeName() { return typeName;}
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}