/**
* 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.command;
import java.util.List;
import javax.inject.Inject;
import org.jboss.forge.addon.resource.DirectoryResource;
import org.jboss.forge.addon.resource.Resource;
import org.jboss.forge.addon.resource.ResourceFactory;
import org.jboss.forge.addon.resource.util.ResourcePathResolver;
import org.jboss.forge.addon.shell.ui.AbstractShellCommand;
import org.jboss.forge.addon.ui.context.UIBuilder;
import org.jboss.forge.addon.ui.context.UIContext;
import org.jboss.forge.addon.ui.context.UIExecutionContext;
import org.jboss.forge.addon.ui.hints.InputType;
import org.jboss.forge.addon.ui.input.UIInput;
import org.jboss.forge.addon.ui.input.UIInputMany;
import org.jboss.forge.addon.ui.input.UIPrompt;
import org.jboss.forge.addon.ui.metadata.UICommandMetadata;
import org.jboss.forge.addon.ui.metadata.WithAttributes;
import org.jboss.forge.addon.ui.output.UIOutput;
import org.jboss.forge.addon.ui.result.Result;
import org.jboss.forge.addon.ui.result.Results;
import org.jboss.forge.addon.ui.util.Metadata;
/**
* Implementation of the "rm" command
*
* @author <a href="ggastald@redhat.com">George Gastaldi</a>
*/
public class RmCommand extends AbstractShellCommand
{
@Inject
ResourceFactory resourceFactory;
@Inject
@WithAttributes(label = "Arguments", type = InputType.FILE_PICKER, required = true)
private UIInputMany<String> arguments;
@Inject
@WithAttributes(label = "force", shortName = 'f', description = "ignore nonexistent files and arguments, never prompt", type = InputType.CHECKBOX, defaultValue = "false")
private UIInput<Boolean> force;
@Inject
@WithAttributes(label = "force", shortName = 'r', description = "remove directories and their contents recursively", type = InputType.CHECKBOX, defaultValue = "false")
private UIInput<Boolean> recursive;
@Override
public UICommandMetadata getMetadata(UIContext context)
{
return Metadata.from(super.getMetadata(context), getClass()).name("rm")
.description("Remove (unlink) the FILE(s).");
}
@Override
public void initializeUI(UIBuilder builder) throws Exception
{
builder.add(arguments).add(force).add(recursive);
}
@Override
public Result execute(UIExecutionContext context) throws Exception
{
Resource<?> currentResource = (Resource<?>) context.getUIContext().getInitialSelection().get();
for (String file : arguments.getValue())
{
List<Resource<?>> resources = new ResourcePathResolver(resourceFactory, currentResource, file).resolve();
for (Resource<?> resource : resources)
{
if (!resource.exists())
{
return Results.fail(file + ": no such file or directory");
}
}
}
boolean forceOption = force.getValue();
boolean recurse = recursive.getValue();
UIPrompt prompt = context.getPrompt();
UIOutput output = context.getUIContext().getProvider().getOutput();
for (String file : arguments.getValue())
{
List<Resource<?>> resources = new ResourcePathResolver(resourceFactory, currentResource, file).resolve();
for (Resource<?> resource : resources)
{
if ((resource instanceof DirectoryResource))
{
if (!recurse)
{
output.err().println(
"rm: cannot remove '" + resource.getName()
+ "': Is a directory ");
}
else if (!resource.listResources().isEmpty() && !forceOption)
{
output.err().println(
"rm: directory '" + resource.getName()
+ "' not empty and cannot be deleted without '--force' '-f' option.");
}
else if (forceOption || prompt.promptBoolean("Delete '" + resource.getFullyQualifiedName() + "'?"))
{
if (!resource.delete(recurse))
{
output.err().println("rm: cannot remove ‘" + resource.getFullyQualifiedName()
+ "’: Error occurred during deletion");
}
}
}
else
{
if (!resource.delete(recurse))
{
output.err().println("rm: cannot remove ‘" + resource.getFullyQualifiedName()
+ "’: Error occurred during deletion");
}
}
}
}
while (!currentResource.exists())
{
currentResource = currentResource.getParent();
}
context.getUIContext().setSelection(currentResource);
return Results.success();
}
}