langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/OptionException.java
author ksrini
Mon, 10 Oct 2016 06:47:47 -0700
changeset 41451 a847c7aa25a7
permissions -rw-r--r--
8151102: Cleanup javadoc exception handling Reviewed-by: jjg
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/*
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 * Copyright (c) 2016, 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 jdk.javadoc.internal.tool;
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import jdk.javadoc.internal.tool.Main.Result;
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/**
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 * Provides a general mechanism for the javadoc tool to indicate an option
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 * decoding issue.
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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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class OptionException extends Exception {
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    private static final long serialVersionUID = 0;
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    public final Result result;
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    public final String message;
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    public final Runnable m;
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    /**
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     * Constructs an object with a result, runnable and a message
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     * to be printed out by the catcher. The runnable can be invoked
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     * by the catcher to display the usage text.
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     * @param result the exit code
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     * @param method the method to invoke
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     * @param message the detailed message
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     */
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    public OptionException(Result result, Runnable method, String message) {
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        this.result = result;
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        this.m = method;
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        this.message = message;
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        if (result == null || result.isOK() || method == null || message == null) {
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            throw new AssertionError("result == null || result.isOK() || " +
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                    "method == null || message == null");
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        }
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    }
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    /**
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     * Constructs an object with a result and a runnable.
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     * The runnable can be invoked by the catcher to display the usage text.
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     * @param result the exit code
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     * @param method the method to invoke
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     */
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    public OptionException(Result result, Runnable method) {
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        this.result = result;
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        this.m = method;
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        this.message = null;
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        if (result == null || method == null) {
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            throw new AssertionError("result == null || method == null");
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        }
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    }
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}