package org.togglz.console.handlers.edit;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.togglz.console.RequestEvent;
import org.togglz.console.RequestHandlerBase;
import org.togglz.console.model.FeatureModel;
import org.togglz.core.Feature;
import org.togglz.core.manager.FeatureManager;
import org.togglz.core.metadata.FeatureMetaData;
import org.togglz.core.repository.FeatureState;
import org.togglz.core.spi.ActivationStrategy;
import com.floreysoft.jmte.Engine;
public class EditPageHandler extends RequestHandlerBase {
@Override
public boolean handles(String path) {
return path.equals("/edit");
}
@Override
public boolean adminOnly() {
return true;
}
@Override
public void process(RequestEvent event) throws IOException {
FeatureManager featureManager = event.getFeatureManager();
HttpServletRequest request = event.getRequest();
HttpServletResponse response = event.getResponse();
// identify the feature
Feature feature = null;
String featureAsString = request.getParameter("f");
for (Feature f : featureManager.getFeatures()) {
if (f.name().equals(featureAsString)) {
feature = f;
}
}
if (feature == null) {
response.sendError(403);
return;
}
FeatureMetaData metadata = featureManager.getMetaData(feature);
List<ActivationStrategy> impls = featureManager.getActivationStrategies();
FeatureModel featureModel = new FeatureModel(feature, metadata, impls);
// GET requests for this feature
if ("GET".equals(request.getMethod())) {
FeatureState state = featureManager.getFeatureState(feature);
featureModel.populateFromFeatureState(state);
renderEditPage(event, featureModel);
}
// POST requests for this feature
if ("POST".equals(request.getMethod())) {
featureModel.restoreFromRequest(request);
// no validation errors
if (featureModel.isValid()) {
FeatureState state = featureModel.toFeatureState();
featureManager.setFeatureState(state);
response.sendRedirect("index");
}
// got validation errors
else {
renderEditPage(event, featureModel);
}
}
}
private void renderEditPage(RequestEvent event, FeatureModel featureModel) throws IOException {
Map<String, Object> model = new HashMap<String, Object>();
model.put("model", featureModel);
String template = getResourceAsString("edit.html");
String content = new Engine().transform(template, model);
writeResponse(event, content);
}
}