/*
* Copyright 2012 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.aesh.commands;
import java.io.File;
import java.util.Iterator;
import javax.inject.Inject;
import org.jboss.aesh.console.Config;
import org.jboss.aesh.console.Console;
import org.jboss.aesh.extensions.more.More;
import org.jboss.forge.aesh.ShellContext;
import org.jboss.forge.ui.UICommand;
import org.jboss.forge.ui.context.UIBuilder;
import org.jboss.forge.ui.context.UIContext;
import org.jboss.forge.ui.context.UIValidationContext;
import org.jboss.forge.ui.input.UIInputMany;
import org.jboss.forge.ui.metadata.UICommandMetadata;
import org.jboss.forge.ui.result.Result;
import org.jboss.forge.ui.result.Results;
import org.jboss.forge.ui.util.Metadata;
/**
* @author <a href="mailto:stale.pedersen@jboss.org">Ståle W. Pedersen</a>
*/
public class MoreCommand implements UICommand {
@Inject
private UIInputMany<File> arguments;
@Override
public UICommandMetadata getMetadata() {
return Metadata.forCommand(getClass())
.name("more")
.description("more — file perusal filter for crt viewing");
}
@Override
public boolean isEnabled(UIContext context) {
return (context instanceof ShellContext);
}
@Override
public void initializeUI(UIBuilder builder) throws Exception {
arguments.setLabel("");
arguments.setRequired(false);
builder.add(arguments);
}
@Override
public void validate(UIValidationContext validator) {
}
@Override
public Result execute(UIContext context) throws Exception {
if(arguments.getValue() != null &&
context instanceof ShellContext) {
Iterator<File> iter = arguments.getValue().iterator();
Console console = ((ShellContext) context).getShell().getConsole();
File file = arguments.getValue().iterator().next();
//a simple hack that we should try to avoid
//probably the converter that add the cwd dir if the
//user input start with ~/
if(file.getAbsolutePath().contains("~/")) {
file = new File(Config.getHomeDir()+file.getAbsolutePath().substring(
file.getAbsolutePath().indexOf("~/")+1));
}
if(file.isFile()) {
More more = new More(console);
more.setFile(file);
more.attach(((ShellContext) context).getConsoleOutput());
return Results.success();
}
else if(file.isDirectory()) {
return Results.fail(
Config.getLineSeparator()+
"*** "+ file.getAbsolutePath() + " directory ***"+
Config.getLineSeparator()+Config.getLineSeparator());
}
else {
return Results.fail(file.getAbsolutePath() + " No such file or directory");
}
}
else {
return Results.fail("Missing filename (\"more --help\" for help)");
}
}
}