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