/*
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/*
* $Header: /cvs/glassfish/admin-cli/cli-api/src/java/com/sun/cli/jmx/cmd/ArgHelperOptionsInfo.java,v 1.5 2007/05/05 05:24:48 tcfujii Exp $
* $Revision: 1.5 $
* $Date: 2007/05/05 05:24:48 $
*/
package com.sun.cli.jmx.cmd;
import java.util.HashMap;
import java.util.Iterator;
public class ArgHelperOptionsInfo implements ArgHelper.OptionsInfo
{
final HashMap mOptionDescriptions;
public
ArgHelperOptionsInfo( )
throws ArgHelper.IllegalOptionException
{
mOptionDescriptions = new HashMap();
}
public
ArgHelperOptionsInfo( String options )
throws ArgHelper.IllegalOptionException
{
mOptionDescriptions = new HashMap();
addOptions( options );
}
public String
tokenToOptionName( String token )
{
final int delimIndex = token.indexOf( '=' );
String name = token;
if ( delimIndex > 0 )
{
name = token.substring( 0, delimIndex );
}
return( name );
}
public String
tokenToOptionData( String token )
{
final int delimIndex = token.indexOf( '=' );
String data = null; // return null if no data eg "--foo"
if ( delimIndex > 0 )
{
// note: form "--foo=" is valid and should result in an empty string
data = token.substring( delimIndex + 1, token.length() );
}
return( data );
}
private static void
dm( Object o )
{
System.out.println( o.toString() );
}
OptionDesc
findOptionDesc( String token )
{
final String optionName = tokenToOptionName( OptionDesc.mapName( token ) );
return( (OptionDesc)mOptionDescriptions.get( optionName ) );
}
public boolean
isLegalOption( String token )
{
if ( ! token.startsWith( "-" ) )
{
return( false );
}
final boolean isLegal = (findOptionDesc( token ) != null);
return( isLegal );
}
public void
checkLegalOption( String token )
{
if ( ! isLegalOption( token ) )
{
throw new IllegalArgumentException( "illegal option: " + token );
}
}
public int
getNumValues( String token )
{
checkLegalOption( token );
final OptionDesc info = findOptionDesc( token );
return( info.mNumValues );
}
public boolean
isBoolean( String token )
{
checkLegalOption( token );
final OptionDesc info = findOptionDesc( token );
return( info.mIsBoolean );
}
public void
foundIllegalOption( final String token )
throws ArgHelper.IllegalOptionException
{
throw new ArgHelper.IllegalOptionException( "illegal option: " + token );
}
boolean
exists( final String optionName )
{
return( mOptionDescriptions.get( optionName ) != null );
}
void
checkExists( final String optionName )
{
if ( exists( optionName ) )
{
throw new IllegalArgumentException( "can't add same option twice: " + optionName );
}
}
void
add( final OptionDesc desc )
{
checkExists( desc.mName );
mOptionDescriptions.put( desc.mName, desc );
}
public void
addBoolean( final String name )
throws ArgHelper.IllegalOptionException
{
add( new OptionDesc( name ) );
}
public void
addNonBoolean( final String name, final int numValues )
throws ArgHelper.IllegalOptionException
{
add( new OptionDesc( name, numValues ) );
}
public final static char MULTIPLE_DELIM = ' ';
public final static char NUMVALUES_DELIM = ',';
public void
addOptions( String list )
throws ArgHelper.IllegalOptionException
{
final String [] names = list.split(" ");
for (int i = 0; i < names.length; ++i) {
final String[] data = names[i].split("" + NUMVALUES_DELIM);
if (data.length == 1) {
addBoolean(data[0]);
} else {
addNonBoolean(data[0],
Integer.valueOf(data[1]).intValue());
}
}
}
public final static class OptionDesc
{
public String mName; // include "-" or "--" prefix
public int mNumValues;
public boolean mIsBoolean;
boolean
isLegalOptionNameChar( final char theChar )
{
return( (theChar >= 'a' && theChar <= 'z') ||
(theChar >= 'A' && theChar <= 'Z') ||
(theChar >= '0' && theChar <= '9') ||
( theChar == '-' || theChar == '_' || theChar == '.' )
);
}
void
validateName( String name )
throws ArgHelper.IllegalOptionException
{
final boolean isLongOption = name.startsWith( "--" );
final boolean isShortOption = (! isLongOption) && name.startsWith( "-" );
final int length = name.length();
if ( ! (isLongOption || isShortOption) )
{
throw new ArgHelper.IllegalOptionException( "invalid option name: " + name );
}
if ( isShortOption && length != 2 )
{
throw new ArgHelper.IllegalOptionException( "invalid short option name: " + name );
}
for( int i = 0; i < length; ++i )
{
final char theChar = name.charAt( i );
if ( ! isLegalOptionNameChar( theChar ) )
{
throw new ArgHelper.IllegalOptionException( "invalid character '" +
theChar + "' in option name: " + name );
}
}
}
OptionDesc( String name, int numValues )
throws ArgHelper.IllegalOptionException
{
mName = mapName( name );
validateName( mName );
if ( numValues == 0 )
{
throw new IllegalArgumentException( "use OptionDesc( name ) for boolean options" );
}
mNumValues = numValues;
mIsBoolean = false;
}
OptionDesc( String name )
throws ArgHelper.IllegalOptionException
{
mName = mapName( name );
validateName( mName );
mIsBoolean = true;
mNumValues = 1;
}
static String
mapName( String name )
{
String mappedName = name;
if ( ! name.startsWith( "-" ) )
{
final String prefix = (name.length() == 1) ? "-" : "--";
mappedName = prefix + name;
}
return( mappedName );
}
public String
toString()
{
if ( mIsBoolean )
{
return( mName + ":boolean" );
}
return( mName + ":" + mNumValues + " values" );
}
}
}
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