it.eng.spagobi.jpivotaddins.bean.AnalysisBeanHandler.java Source code

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Here is the source code for it.eng.spagobi.jpivotaddins.bean.AnalysisBeanHandler.java

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/* SpagoBI, the Open Source Business Intelligence suite
    
 * Copyright (C) 2012 Engineering Ingegneria Informatica S.p.A. - SpagoBI Competency Center
 * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0, without the "Incompatible With Secondary Licenses" notice. 
 * If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package it.eng.spagobi.jpivotaddins.bean;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Node;

import sun.misc.BASE64Decoder;

import com.thoughtworks.xstream.XStream;

/**
 * @author Andrea Gioia
 *
 */
public class AnalysisBeanHandler {
    private static AnalysisBeanHandler instance;

    public static AnalysisBeanHandler getInstance() {
        if (instance == null)
            instance = new AnalysisBeanHandler();
        return instance;
    }

    private AnalysisBeanHandler() {
    }

    public void getAnalysisBean(HttpSession session, HttpServletRequest request)
            throws IOException, DocumentException {
        List parameters = null;
        InputStream is = null;
        String reference = null, name = null, nameConnection = null, query = null;
        AnalysisBean analysis = null;

        SaveAnalysisBean analysisBean = (SaveAnalysisBean) session.getAttribute("save01");
        String nameSubObject = request.getParameter("nameSubObject");

        // if into the request is defined the attribute "nameSubObject" the engine must run a subQuery
        if (nameSubObject != null) {
            String jcrPath = (String) session.getAttribute("templatePath");
            String spagoBIBaseUrl = (String) session.getAttribute("spagobiurl");
            String user = (String) session.getAttribute("user");
            // if subObject execution in the request there are the description and visibility
            String descrSO = request.getParameter("descriptionSubObject");
            if (descrSO == null) {
                descrSO = "";
            }
            String visSO = request.getParameter("visibilitySubObject");
            if (visSO == null) {
                visSO = "Private";
            }

            analysisBean.setAnalysisName(nameSubObject);
            analysisBean.setAnalysisDescription(descrSO);
            // the possible values of the visibility are (Private/Public)
            analysisBean.setAnalysisVisibility(visSO);
            // get content from cms

            String subobjdata64Coded = request.getParameter("subobjectdata");
            BASE64Decoder bASE64Decoder = new BASE64Decoder();
            byte[] subobjBytes = bASE64Decoder.decodeBuffer(subobjdata64Coded);
            is = new java.io.ByteArrayInputStream(subobjBytes);
            InputStreamReader isr = new InputStreamReader(is);
            XStream dataBinder = new XStream();
            try {
                analysis = (AnalysisBean) dataBinder.fromXML(isr, new AnalysisBean());
                isr.close();
                query = analysis.getMdxQuery();
                nameConnection = analysis.getConnectionName();
                reference = analysis.getCatalogUri();
            } catch (Throwable t) {
                t.printStackTrace();
            }

            // normal execution (no subObject)   
        } else {
            String templateBase64Coded = request.getParameter("template");
            BASE64Decoder bASE64Decoder = new BASE64Decoder();
            byte[] template = bASE64Decoder.decodeBuffer(templateBase64Coded);
            is = new java.io.ByteArrayInputStream(template);
            org.dom4j.io.SAXReader reader = new org.dom4j.io.SAXReader();
            Document document = reader.read(is);
            nameConnection = request.getParameter("connectionName");
            query = document.selectSingleNode("//olap/MDXquery").getStringValue();
            Node cube = document.selectSingleNode("//olap/cube");
            reference = cube.valueOf("@reference");
            name = cube.valueOf("@name");
            parameters = document.selectNodes("//olap/MDXquery/parameter");
            analysis = new AnalysisBean();
            analysis.setConnectionName(nameConnection);
            analysis.setCatalogUri(reference);
            session.setAttribute("analysisBean", analysis);
        }
    }

}