pt.webdetails.cpk.elements.impl.DashboardElement.java Source code

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Here is the source code for pt.webdetails.cpk.elements.impl.DashboardElement.java

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/*!
* Copyright 2002 - 2013 Webdetails, a Pentaho company.  All rights reserved.
*
* This software was developed by Webdetails and is provided under the terms
* of the Mozilla Public License, Version 2.0, or any later version. You may not use
* this file except in compliance with the license. If you need a copy of the license,
* please go to  http://mozilla.org/MPL/2.0/. The Initial Developer is Webdetails.
*
* Software distributed under the Mozilla Public License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to
* the license for the specific language governing your rights and limitations.
*/

package pt.webdetails.cpk.elements.impl;

import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang.StringUtils;
import pt.webdetails.cpf.Util;
import pt.webdetails.cpf.utils.MimeTypes;
import pt.webdetails.cpk.CpkEngine;
import pt.webdetails.cpk.InterPluginBroker;
import pt.webdetails.cpk.elements.Element;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

public class DashboardElement extends Element {

    public DashboardElement() {
    }

    @Override
    public void processRequest(Map<String, Map<String, Object>> bloatedMap) {
        try {
            callCDE(bloatedMap);
        } catch (Exception ex) {
            logger.error("Error while calling CDE: " + Util.getExceptionDescription(ex));
        }
    }

    protected void callCDE(Map<String, Map<String, Object>> bloatedMap)
            throws UnsupportedEncodingException, IOException {

        //String path =  pluginUtils.getPluginRelativeDirectory( element.getLocation(), true );
        String path = CpkEngine.getInstance().getEnvironment().getPluginUtils()
                .getPluginRelativeDirectory(this.getLocation(), true);

        //ServletRequest wrapper = (HttpServletRequest) bloatedMap.get( "path" ).get( "httprequest" );
        HttpServletResponse response = (HttpServletResponse) bloatedMap.get("path").get("httpresponse");
        response.setContentType(MimeTypes.HTML);
        OutputStream out = response.getOutputStream();

        //String root = wrapper.getScheme() + "://" + wrapper.getServerName() + ":" + wrapper.getServerPort();

        Map<String, Object> params = new HashMap<String, Object>();
        Map<String, Object> requestParams = bloatedMap.get("request");

        path = FilenameUtils.separatorsToUnix(path);

        params.put("solution", "system");
        params.put("path", path);
        if (requestParams.containsKey("mode") && requestParams.get("mode").equals("preview")) {
            params.put("file", this.getName() + "_tmp.cdfde");
        } else {
            params.put("file", this.getName() + ".wcdf");
        }
        params.put("absolute", "false");
        params.put("inferScheme", "false");
        //params.put( "root", root );
        //PluginUtils.copyParametersFromProvider( params, requestParams );
        Iterator<String> it = requestParams.keySet().iterator();
        while (it.hasNext()) {
            String name = it.next();
            params.put(name, requestParams.get(name));
        }

        if (requestParams.containsKey("mode") && requestParams.get("mode").equals("edit")) {
            redirectToCdeEditor(response, params);
            return;
        }
        try {
            InterPluginBroker.run(params, out);
        } catch (Exception e) {
            e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
        }
    }

    private void redirectToCdeEditor(HttpServletResponse response, Map<String, Object> params) throws IOException {

        StringBuilder urlBuilder = new StringBuilder();
        urlBuilder.append("../../pentaho-cdf-dd/api/renderer/edit");
        if (params.size() > 0) {
            urlBuilder.append("?");
        }

        List<String> paramArray = new ArrayList<String>();
        for (String key : params.keySet()) {
            Object value = params.get(key);
            if (value instanceof String) {
                paramArray.add(key + "=" + URLEncoder.encode((String) value, "utf-8"));
            }
        }

        urlBuilder.append(StringUtils.join(paramArray, "&"));

        if (response == null) {
            logger.error("response not found");
            return;
        }
        try {
            response.sendRedirect(urlBuilder.toString());
        } catch (IOException e) {
            logger.error("could not redirect", e);
        }

    }

    @Override
    public boolean isRenderable() {
        return true;
    }

}