/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
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*
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* its licensees as provided above. However, if you add GPL Version 2 code
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/*
* $Header: /cvs/glassfish/admin-cli/cli-api/src/java/com/sun/cli/jmx/cmd/CmdReader.java,v 1.4 2007/05/05 05:24:49 tcfujii Exp $
* $Revision: 1.4 $
* $Date: 2007/05/05 05:24:49 $
*/
package com.sun.cli.jmx.cmd;
import com.sun.cli.util.stringifier.SmartStringifier;
import com.sun.cli.util.LineReader;
import com.sun.cli.util.TokenizerImpl;
public class CmdReader implements CmdOutput
{
public
CmdReader( )
{
}
public void
print( Object o )
{
System.out.print( o.toString() );
}
public void
println( Object o )
{
System.out.println( o.toString() );
}
public void
printError( Object o )
{
System.err.println( o.toString() );
}
public void
printDebug( Object o )
{
println( o );
}
private static void
p( Object o )
{
System.out.println( SmartStringifier.toString( o ) );
}
private final static String ADVISORY =
"Type 'help' for help, 'quit' to quit.\n";
private final static String USAGE = initUsage();
private static String
initUsage()
{
String usage = "*** Available commands ***\n\n";
final CmdStrings.CmdHelp [] allHelp = CmdStrings.getAllHelp();
for( int i = 0; i < allHelp.length; ++i )
{
usage = usage + allHelp[ i ] + "\n\n";
}
return( usage );
}
public String
readLine( LineReader lineReader )
throws Exception
{
String line = lineReader.readLine( "> ");
if ( line != null )
{
line = line.trim();
}
return( line );
}
private final static String DELIM_CHARS = " \t";
private final static char ESCAPE_CHAR = '\\';
private final static String ESCAPABLE_CHARS = DELIM_CHARS + ESCAPE_CHAR + "\"";
static String []
lineToTokens( String line )
{
final TokenizerImpl tk = new TokenizerImpl( line, "" + DELIM_CHARS,
ESCAPE_CHAR, ESCAPABLE_CHARS);
return( tk.getTokens( ) );
}
public static int
processLine( final String line, final CmdRunner cmdRunner )
{
int errorCode = 0;
final String [] tokens = lineToTokens( line );
try
{
final String cmdName = tokens[ 0 ];
cmdRunner.execute( cmdName, tokens );
}
catch (Exception e )
{
errorCode = -1;
}
return( errorCode );
}
public void
processCmd( final String line, final CmdRunner cmdRunner )
{
final String [] tokens = lineToTokens( line );
try
{
final String cmdName = tokens[ 0 ];
cmdRunner.execute( cmdName, tokens );
}
catch (Exception e )
{
}
}
boolean
isQuitLine( String line )
{
final boolean isQuit =
line == null ||
line.equalsIgnoreCase( "quit" ) ||
line.equalsIgnoreCase( "q" ) ||
line.equalsIgnoreCase( "exit" );
line.equalsIgnoreCase( "exit" );
return( isQuit );
}
public void
goInteractive(
final LineReader lineReader,
final CmdRunner cmdRunner )
throws Exception
{
p( ADVISORY );
while ( true )
{
final String line = readLine( lineReader );
if ( isQuitLine( line ) )
{
println( "Quitting..." );
break;
}
if ( line.length() == 0 )
continue;
processLine( line, cmdRunner );
}
}
}