/**
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Eclipse Public License version 1.0, available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.jboss.forge.addon.shell.aesh;
import java.io.IOException;
import java.util.List;
import org.jboss.aesh.console.Console;
import org.jboss.aesh.console.ConsoleCallback;
import org.jboss.aesh.console.ConsoleOutput;
import org.jboss.forge.addon.shell.ShellImpl;
import org.jboss.forge.addon.shell.ui.ShellContext;
import org.jboss.forge.addon.ui.result.Result;
import org.jboss.forge.furnace.util.Strings;
/**
* Hook for Aesh operations
*
* @author <a href="ggastald@redhat.com">George Gastaldi</a>
*/
public class ForgeConsoleCallback implements ConsoleCallback
{
private final ShellImpl shell;
public ForgeConsoleCallback(ShellImpl shell)
{
this.shell = shell;
}
/**
* This method will be called when a user press the "enter/return" key. The return value is to indicate if the
* outcome was a success or not. Return 0 for success and something else for failure (typical 1 or -1).
*/
@Override
public int readConsoleOutput(ConsoleOutput output) throws IOException
{
String line = output.getBuffer();
Console console = shell.getConsole();
if (!Strings.isNullOrEmpty(line))
{
try
{
ShellContext context = shell.newShellContext();
AbstractShellInteraction command = shell.findCommand(context, line);
if (command == null)
{
throw new IOException("Command not found for line: " + line);
}
command.populateInputs(line, false);
List<String> errors = command.validate();
if (errors.isEmpty())
{
Result result = shell.execute(command);
if (result != null && result.getMessage() != null)
{
console.out().println(result.getMessage());
}
}
else
{
// Display the error messages
for (String error : errors)
{
console.err().println("**ERROR**: " + error);
}
}
}
catch (Exception e)
{
console.err().println("**ERROR**: " + e.getMessage());
// if VERBOSE = true
// e.printStackTrace(console.err());
return -1;
}
}
return 0;
}
}