/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.handlers;
import java.util.List;
import org.jboss.as.cli.CommandFormatException;
import org.jboss.as.cli.CommandLineCompleter;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.impl.ArgumentWithValue;
/**
*
* @author Alexey Loubyansky
*/
public class EchoDMRHandler extends CommandHandlerWithHelp {
public EchoDMRHandler() {
super("echo-dmr");
new ArgumentWithValue(this, new CommandLineCompleter() {
@Override
public int complete(CommandContext ctx, String buffer, int cursor, List<String> candidates) {
final String originalLine = ctx.getParsedCommandLine().getOriginalLine();
boolean skipWS;
int wordCount;
if(Character.isWhitespace(originalLine.charAt(0))) {
skipWS = true;
wordCount = 0;
} else {
skipWS = false;
wordCount = 1;
}
int cmdStart = 1;
while(cmdStart < originalLine.length()) {
if(skipWS) {
if(!Character.isWhitespace(originalLine.charAt(cmdStart))) {
skipWS = false;
++wordCount;
if(wordCount == 2) {
break;
}
}
} else if(Character.isWhitespace(originalLine.charAt(cmdStart))) {
skipWS = true;
}
++cmdStart;
}
final String cmd;
if(wordCount == 1) {
cmd = "";
} else if(wordCount != 2) {
return -1;
} else {
cmd = originalLine.substring(cmdStart);
}
int cmdResult = ctx.getDefaultCommandCompleter().complete(ctx, cmd, cmd.length(), candidates);
if(cmdResult < 0) {
return cmdResult;
}
// escaping index correction
int escapeCorrection = 0;
int start = originalLine.length() - 1 - buffer.length();
while(start - escapeCorrection >= 0) {
final char ch = originalLine.charAt(start - escapeCorrection);
if(Character.isWhitespace(ch) || ch == '=') {
break;
}
++escapeCorrection;
}
return buffer.length() + escapeCorrection - (cmd.length() - cmdResult);
}}, Integer.MAX_VALUE, "--line") {
};
}
@Override
protected void recognizeArguments(CommandContext ctx) throws CommandFormatException {
// allow arbitrary arguments, it's up to the command or operation handler to validate them
}
/* (non-Javadoc)
* @see org.jboss.as.cli.handlers.CommandHandlerWithHelp#doHandle(org.jboss.as.cli.CommandContext)
*/
@Override
protected void doHandle(CommandContext ctx) throws CommandFormatException {
String argsStr = ctx.getArgumentsString();
if(argsStr == null) {
throw new CommandFormatException("Missing the command or operation to translate to DMR.");
}
ctx.printLine(ctx.buildRequest(argsStr).toString());
}
}