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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5  * This code is free software; you can redistribute it and/or modify it
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8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
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11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
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25 
26 /*
27  * This file is available under and governed by the GNU General Public
28  * License version 2 only, as published by the Free Software Foundation.
29  * However, the following notice accompanied the original version of this
30  * file:
31  *
32  * The MIT License
33  *
34  * Copyright (c) 2004-2015 Paul R. Holser, Jr.
35  *
36  * Permission is hereby granted, free of charge, to any person obtaining
37  * a copy of this software and associated documentation files (the
38  * "Software"), to deal in the Software without restriction, including
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41  * permit persons to whom the Software is furnished to do so, subject to
42  * the following conditions:
43  *
44  * The above copyright notice and this permission notice shall be
45  * included in all copies or substantial portions of the Software.
46  *
47  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
48  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
49  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
50  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
51  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
52  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
53  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
54  */
55 
56 package jdk.internal.joptsimple;
57 
58 import java.util.ArrayList;
59 import java.util.Collection;
60 import java.util.Iterator;
61 import java.util.LinkedHashSet;
62 import java.util.List;
63 import java.util.Locale;
64 import java.util.Set;
65 
66 import jdk.internal.joptsimple.internal.Strings;
67 
68 import static java.util.Collections.*;
69 import static jdk.internal.joptsimple.internal.Messages.*;
70 
71 /**
72  * Thrown when a problem occurs during option parsing.
73  *
74  * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
75  */
76 public abstract class OptionException extends RuntimeException {
77     private static final long serialVersionUID = -1L;
78 
79     private final List<String> options = new ArrayList<>();
80 
OptionException( List<String> options )81     protected OptionException( List<String> options ) {
82         this.options.addAll( options );
83     }
84 
OptionException( Collection<? extends OptionSpec<?>> options )85     protected OptionException( Collection<? extends OptionSpec<?>> options ) {
86         this.options.addAll( specsToStrings( options ) );
87     }
88 
OptionException( Collection<? extends OptionSpec<?>> options, Throwable cause )89     protected OptionException( Collection<? extends OptionSpec<?>> options, Throwable cause ) {
90         super( cause );
91         this.options.addAll( specsToStrings( options ) );
92     }
93 
specsToStrings( Collection<? extends OptionSpec<?>> options )94     private List<String> specsToStrings( Collection<? extends OptionSpec<?>> options ) {
95         List<String> strings = new ArrayList<>();
96         for ( OptionSpec<?> each : options )
97             strings.add( specToString( each ) );
98         return strings;
99     }
100 
specToString( OptionSpec<?> option )101     private String specToString( OptionSpec<?> option ) {
102         return Strings.join( new ArrayList<>( option.options() ), "/" );
103     }
104 
105     /**
106      * Gives the option being considered when the exception was created.
107      *
108      * @return the option being considered when the exception was created
109      */
options()110     public List<String> options() {
111         return unmodifiableList( options );
112     }
113 
singleOptionString()114     protected final String singleOptionString() {
115         return singleOptionString( options.get( 0 ) );
116     }
117 
singleOptionString( String option )118     protected final String singleOptionString( String option ) {
119         return option;
120     }
121 
multipleOptionString()122     protected final String multipleOptionString() {
123         StringBuilder buffer = new StringBuilder( "[" );
124 
125         Set<String> asSet = new LinkedHashSet<String>( options );
126         for ( Iterator<String> iter = asSet.iterator(); iter.hasNext(); ) {
127             buffer.append( singleOptionString(iter.next()) );
128             if ( iter.hasNext() )
129                 buffer.append( ", " );
130         }
131 
132         buffer.append( ']' );
133 
134         return buffer.toString();
135     }
136 
unrecognizedOption( String option )137     static OptionException unrecognizedOption( String option ) {
138         return new UnrecognizedOptionException( option );
139     }
140 
141     @Override
getMessage()142     public final String getMessage() {
143         return localizedMessage( Locale.getDefault() );
144     }
145 
localizedMessage( Locale locale )146     final String localizedMessage( Locale locale ) {
147         return formattedMessage( locale );
148     }
149 
formattedMessage( Locale locale )150     private String formattedMessage( Locale locale ) {
151         return message( locale, "jdk.internal.joptsimple.ExceptionMessages", getClass(), "message", messageArguments() );
152     }
153 
messageArguments()154     abstract Object[] messageArguments();
155 }
156