src/jdk.internal.opt/share/classes/jdk/internal/joptsimple/OptionException.java
author jlahoda
Wed, 06 Jun 2018 15:36:29 +0200
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8203891: Upgrade JOpt Simple to 5.0.4 Reviewed-by: alanb, chegar, mchung
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/*
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 * Copyright (c) 2009, 2015, 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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/*
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 * This file is available under and governed by the GNU General Public
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 * License version 2 only, as published by the Free Software Foundation.
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 * However, the following notice accompanied the original version of this
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 * file:
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 *
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 * The MIT License
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 *
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 * Copyright (c) 2004-2015 Paul R. Holser, Jr.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining
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 * a copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sublicense, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be
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 * included in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 */
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package jdk.internal.joptsimple;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Locale;
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import java.util.Set;
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import jdk.internal.joptsimple.internal.Strings;
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import static java.util.Collections.*;
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import static jdk.internal.joptsimple.internal.Messages.*;
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/**
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 * Thrown when a problem occurs during option parsing.
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 *
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 * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
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 */
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public abstract class OptionException extends RuntimeException {
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    private static final long serialVersionUID = -1L;
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    private final List<String> options = new ArrayList<>();
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    protected OptionException( List<String> options ) {
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        this.options.addAll( options );
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    }
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    protected OptionException( Collection<? extends OptionSpec<?>> options ) {
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        this.options.addAll( specsToStrings( options ) );
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    }
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    protected OptionException( Collection<? extends OptionSpec<?>> options, Throwable cause ) {
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        super( cause );
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        this.options.addAll( specsToStrings( options ) );
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    }
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    private List<String> specsToStrings( Collection<? extends OptionSpec<?>> options ) {
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        List<String> strings = new ArrayList<>();
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        for ( OptionSpec<?> each : options )
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            strings.add( specToString( each ) );
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        return strings;
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    }
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    private String specToString( OptionSpec<?> option ) {
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        return Strings.join( new ArrayList<>( option.options() ), "/" );
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    }
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    /**
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     * Gives the option being considered when the exception was created.
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     *
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     * @return the option being considered when the exception was created
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     */
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    public List<String> options() {
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        return unmodifiableList( options );
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    }
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    protected final String singleOptionString() {
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        return singleOptionString( options.get( 0 ) );
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    }
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    protected final String singleOptionString( String option ) {
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        return option;
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    }
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    protected final String multipleOptionString() {
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        StringBuilder buffer = new StringBuilder( "[" );
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        Set<String> asSet = new LinkedHashSet<String>( options );
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        for ( Iterator<String> iter = asSet.iterator(); iter.hasNext(); ) {
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            buffer.append( singleOptionString(iter.next()) );
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            if ( iter.hasNext() )
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                buffer.append( ", " );
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        }
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        buffer.append( ']' );
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        return buffer.toString();
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    }
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    static OptionException unrecognizedOption( String option ) {
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        return new UnrecognizedOptionException( option );
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    }
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    @Override
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    public final String getMessage() {
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        return localizedMessage( Locale.getDefault() );
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    }
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    final String localizedMessage( Locale locale ) {
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        return formattedMessage( locale );
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    }
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    private String formattedMessage( Locale locale ) {
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        return message( locale, "jdk.internal.joptsimple.ExceptionMessages", getClass(), "message", messageArguments() );
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    }
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    abstract Object[] messageArguments();
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}