Package it.eng.spagobi.engines.qbe.services.formbuilder

Source Code of it.eng.spagobi.engines.qbe.services.formbuilder.SaveFormAction

/**

SpagoBI - The Business Intelligence Free Platform

Copyright (C) 2005-2009 Engineering Ingegneria Informatica S.p.A.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

**/
package it.eng.spagobi.engines.qbe.services.formbuilder;

import it.eng.spago.base.SourceBean;
import it.eng.spagobi.commons.utilities.StringUtilities;
import it.eng.spagobi.engines.qbe.QbeEngineInstance;
import it.eng.spagobi.engines.qbe.services.core.AbstractQbeEngineAction;
import it.eng.spagobi.services.proxy.ContentServiceProxy;
import it.eng.spagobi.utilities.assertion.Assert;
import it.eng.spagobi.utilities.engines.EngineConstants;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceException;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceExceptionHandler;
import it.eng.spagobi.utilities.service.JSONAcknowledge;

import java.io.IOException;

import org.apache.log4j.Logger;
import org.json.JSONObject;

/**
* @author Andrea Gioia (andrea.gioia@eng.it)
*/
public class SaveFormAction extends AbstractQbeEngineAction

  // INPUT PARAMETERS
  public static final String FORM_STATE = "FORM_STATE";
  public static final String TEMPLATE_NAME = "TEMPLATE_NAME";
 
 
  /** Logger component. */
    private static transient Logger logger = Logger.getLogger(SaveFormAction.class);
  
  public void service(SourceBean request, SourceBean response)  {
   
    JSONObject formState;
    String templateName;
    SourceBean template;
    SourceBean formBlock;
    SourceBean queryBlock;
   
    QbeEngineInstance qbeEngineInstance;
    ContentServiceProxy contentServiceProxy;
   
    logger.debug("IN");
   
    try {   
      super.service(request, response);
     
      qbeEngineInstance = getEngineInstance();
      Assert.assertNotNull(qbeEngineInstance, "It's not possible to execute " + this.getActionName() + " service before having properly created an instance of EngineInstance class");
     
     
      formState = this.getAttributeAsJSONObject(FORM_STATE);
      logger.debug("Parameter [" + FORM_STATE + "] is equals to [" + formState + "]");
      Assert.assertNotNull(formState, "Parameter [" + FORM_STATE + "] cannot be null");
     
      qbeEngineInstance.getFormState().setConf(formState);
     
      templateName = this.getAttributeAsString(TEMPLATE_NAME);
      logger.debug("Parameter [" + TEMPLATE_NAME + "] is equals to [" + templateName + "]");
      if(StringUtilities.isEmpty(templateName)) {
        templateName = "template.sbiform";
        logger.debug("The default template name [" + templateName + "] will be used");
      }
     
      template = (SourceBean)qbeEngineInstance.getEnv().get("TEMPLATE");
     
      StringBuffer dataDefinition = new StringBuffer();
      String formStateString = new String(getEngineInstance().getFormState().store());
      JSONObject formStateJSON = new JSONObject(formStateString);
      dataDefinition.append("<FORM>");
      dataDefinition.append("<![CDATA[\n" + formStateJSON.toString(3) + "\n]]>");
      dataDefinition.append("</FORM>");
      formBlock = SourceBean.fromXMLString(dataDefinition.toString());
      template.updAttribute(formBlock);
     
      dataDefinition = new StringBuffer();
      String analysisState = new String(getEngineInstance().getAnalysisState().store());
      JSONObject queryJSON = new JSONObject(analysisState);
      dataDefinition.append("<QUERY>");
      dataDefinition.append("<![CDATA[\n" + queryJSON.toString(3) + "\n]]>");
      dataDefinition.append("</QUERY>");
      queryBlock = SourceBean.fromXMLString(dataDefinition.toString());
      template.updAttribute(queryBlock);
     
      logger.debug(template.toString());
     
      contentServiceProxy = (ContentServiceProxy)qbeEngineInstance.getEnv().get(EngineConstants.ENV_CONTENT_SERVICE_PROXY);
      Assert.assertNotNull(formState, "Parameter [" + FORM_STATE + "] cannot be null");
     
      String docId = (String)qbeEngineInstance.getEnv().get("DOCUMENT");
      String result = contentServiceProxy.saveObjectTemplate(docId, templateName, template.toString());
     
      if (result == null || !result.trim().equals("OK")) {
        throw new Exception("Error while saving document's template");
      }
     
      try {
        writeBackToClient( new JSONAcknowledge() );
      } catch (IOException e) {
        throw new SpagoBIEngineServiceException(getActionName(), "Impossible to write back the responce to the client", e);
      }
     
    } catch(Throwable t) {
      throw SpagoBIEngineServiceExceptionHandler.getInstance().getWrappedException(getActionName(), getEngineInstance(), t);
    } finally {     
      logger.debug("OUT");
   
  }
}
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