/**
* 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.scaffold.impl.ui;
import java.util.List;
import javax.inject.Inject;
import org.jboss.forge.addon.convert.Converter;
import org.jboss.forge.addon.facets.AbstractFacet;
import org.jboss.forge.addon.projects.Project;
import org.jboss.forge.addon.projects.ProjectFactory;
import org.jboss.forge.addon.projects.ui.AbstractProjectCommand;
import org.jboss.forge.addon.scaffold.spi.ScaffoldGenerationContext;
import org.jboss.forge.addon.scaffold.spi.ScaffoldProvider;
import org.jboss.forge.addon.scaffold.ui.ScaffoldGenerateCommand;
import org.jboss.forge.addon.ui.UICommand;
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.context.UINavigationContext;
import org.jboss.forge.addon.ui.context.UIValidationContext;
import org.jboss.forge.addon.ui.input.UIInput;
import org.jboss.forge.addon.ui.input.UISelectOne;
import org.jboss.forge.addon.ui.metadata.WithAttributes;
import org.jboss.forge.addon.ui.result.NavigationResult;
import org.jboss.forge.addon.ui.result.Result;
import org.jboss.forge.addon.ui.result.Results;
import org.jboss.forge.addon.ui.util.Categories;
import org.jboss.forge.addon.ui.util.Metadata;
import org.jboss.forge.furnace.services.Imported;
/**
* Scaffold wizard
*
* @author <a href="ggastald@redhat.com">George Gastaldi</a>
*/
public class ScaffoldGenerateCommandImpl extends AbstractProjectCommand implements ScaffoldGenerateCommand
{
@Inject
@WithAttributes(label = "Scaffold Type", required = true, enabled = false)
private UISelectOne<ScaffoldProvider> provider;
@Inject
@WithAttributes(label = "Target Directory")
private UIInput<String> target;
@Inject
@WithAttributes(label = "Overwrite existing files?")
private UIInput<Boolean> overwrite;
@Inject
private ProjectFactory factory;
@Inject
private Imported<ScaffoldProvider> scaffoldProviders;
@Override
public void initializeUI(UIBuilder builder) throws Exception
{
provider.setDefaultValue(scaffoldProviders.get());
provider.setValueChoices(scaffoldProviders);
provider.setItemLabelConverter(new Converter<ScaffoldProvider, String>()
{
@Override
public String convert(ScaffoldProvider source)
{
return source == null ? null: source.getName();
}
});
builder.add(provider).add(target).add(overwrite);
}
@Override
public void validate(UIValidationContext validator)
{
super.validate(validator);
ScaffoldProvider scaffold = provider.getValue();
scaffold.validate(validator);
}
@Override
public Metadata getMetadata(UIContext context)
{
return Metadata.from(super.getMetadata(context), getClass()).name("Scaffold: Generate")
.description("Generates the scaffold")
.category(Categories.create("Scaffold", "Generate"));
}
@Override
public Result execute(UIExecutionContext context) throws Exception
{
// No-op. Do nothing.
return Results.success();
}
@Override
public NavigationResult next(UINavigationContext context) throws Exception
{
ScaffoldProvider selectedProvider = provider.getValue();
UIContext uiContext = context.getUIContext();
Project project = getSelectedProject(uiContext);
uiContext.setAttribute(Project.class, project);
uiContext.setAttribute(ScaffoldProvider.class, selectedProvider);
uiContext.setAttribute(ScaffoldGenerationContext.class, populateGenerationContext(uiContext));
((AbstractFacet) selectedProvider).setFaceted(project);
// Get the step sequence from the selected scaffold provider
List<Class<? extends UICommand>> generationFlow = selectedProvider.getGenerationFlow();
// Add the execution logic step in the end so that the scaffold generation step is executed last after all other
// steps
generationFlow.add(ExecuteGenerationStep.class);
// Extract the first command to obtain the next step
Class<? extends UICommand> next = generationFlow.remove(0);
Class<?>[] additional = generationFlow.toArray(new Class<?>[generationFlow.size()]);
return Results.navigateTo(next, (Class<? extends UICommand>[]) additional);
}
@Override
protected boolean isProjectRequired()
{
return true;
}
@Override
protected ProjectFactory getProjectFactory()
{
return factory;
}
private ScaffoldGenerationContext populateGenerationContext(UIContext context)
{
ScaffoldGenerationContext generationContext = (ScaffoldGenerationContext) context.getAttribute(ScaffoldGenerationContext.class);
if(generationContext == null)
{
return new ScaffoldGenerationContext(target.getValue(), overwrite.getValue(), null);
}
else
{
generationContext.setTargetDirectory(target.getValue());
generationContext.setOverwrite(overwrite.getValue());
return generationContext;
}
}
}