/*******************************************************************************
* Signavio Core Components
* Copyright (C) 2012 Signavio GmbH
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package com.signavio.warehouse.model.handler;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.JSONException;
import org.json.JSONObject;
import org.oryxeditor.server.diagram.basic.BasicDiagramBuilder;
import com.signavio.platform.annotations.HandlerConfiguration;
import com.signavio.platform.exceptions.IORequestException;
import com.signavio.platform.exceptions.JSONRequestException;
import com.signavio.platform.exceptions.RequestException;
import com.signavio.platform.handler.BasisHandler;
import com.signavio.platform.security.business.FsAccessToken;
import com.signavio.platform.security.business.FsSecureBusinessObject;
import com.signavio.warehouse.model.syntaxchecker.SyntaxCheckerPerformer;
import de.hpi.bpmn2_0.exceptions.BpmnConverterException;
import de.hpi.bpmn2_0.factory.AbstractBpmnFactory;
@HandlerConfiguration(uri="/syntaxchecker", rel="syntaxchecker")
public class SyntaxCheckerHandler extends BasisHandler {
public SyntaxCheckerHandler(ServletContext servletContext) {
super(servletContext);
}
/**
* Implementation of a POST request
* @param req
* @param res
* @param identifier
* @throws Exception
*/
public <T extends FsSecureBusinessObject> void doPost(HttpServletRequest req, HttpServletResponse res, FsAccessToken token, T sbo) {
try {
// Get the parameter list
JSONObject params = (JSONObject)req.getAttribute("params");
String isJson = params.getString("isJson");
JSONObject result = null;
if(isJson.equals("true")) {
String json = params.getString("data_json");
List<Class<? extends AbstractBpmnFactory>> factoryClasses = AbstractBpmnFactory.getFactoryClasses();
SyntaxCheckerPerformer checker = new SyntaxCheckerPerformer();
result = checker.processDocument(BasicDiagramBuilder.parseJson(json), factoryClasses);
} //else {
// String rdf = req.getParameter("data");
//
// context = req.getParameter("context");
//
// DocumentBuilder builder;
// DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
// builder = factory.newDocumentBuilder();
// Document document = builder.parse(new ByteArrayInputStream(rdf.getBytes("UTF-8")));
//
// processDocument(document, res.getWriter());
// }
if(result == null) {
result = new JSONObject();
}
res.setContentType("application/json");
res.setStatus(200);
res.getWriter().write(result.toString());
} catch(BpmnConverterException e) {
throw new RequestException("syntaxchecker.failed", e);
} catch (JSONException e) {
throw new JSONRequestException(e);
} catch (IOException e) {
throw new IORequestException(e);
}
}
}