atc.otn.ckan.portlets.DeleteDataset.java Source code

Introduction

Here is the source code for atc.otn.ckan.portlets.DeleteDataset.java

Source

package atc.otn.ckan.portlets;

import java.io.IOException;
import java.net.URLDecoder;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
import javax.portlet.PortletRequest;
import javax.portlet.PortletURL;
import javax.portlet.ProcessAction;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.servlet.http.HttpServletRequest;

import org.json.JSONArray;
import org.json.JSONObject;

import atc.otn.ckan.client.CKANClient;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.upload.UploadPortletRequest;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.model.User;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.PortletURLFactoryUtil;
import com.liferay.util.bridges.mvc.MVCPortlet;

public class DeleteDataset extends MVCPortlet {

    public void doView(RenderRequest renderRequest, RenderResponse renderResponse) {

        //********************** Variables **********************

        CKANClient client;

        HttpServletRequest httpReq = PortalUtil
                .getOriginalServletRequest(PortalUtil.getHttpServletRequest(renderRequest));
        String datasetId = httpReq.getParameter("datasetId");

        //********************** Action **********************

        try {

            //init CKAN client
            client = new CKANClient();
            System.out.println(datasetId);
            if (datasetId != null) {
                JSONObject datasetDetails = new JSONObject();
                datasetDetails = client.getDataset(datasetId);

                String mode = httpReq.getParameter("mode");
                if (mode != null && mode.equals("edit")) {
                    String dataCreator = datasetDetails.getString("creator_user_id");
                    ThemeDisplay themeDisplay = (ThemeDisplay) renderRequest.getAttribute(WebKeys.THEME_DISPLAY);
                    User user = themeDisplay.getUser();
                    String currentUserID = "" + user.getUserId();
                    if (currentUserID.equals(dataCreator)) {
                        renderRequest.setAttribute("mode", "edit");
                        JSONArray licenses = new JSONArray();
                        licenses = client.getLicenses();
                        //return list to jsp
                        renderRequest.setAttribute("licenses", licenses);
                    } else// user not owner of dataset
                    {
                        renderRequest.setAttribute("datasetDetails", null);
                    }
                }

                //System.out.println(datasetDetails);
                renderRequest.setAttribute("datasetDetails", datasetDetails);

            } else {
                renderRequest.setAttribute("datasetDetails", null);
            }
            super.doView(renderRequest, renderResponse);

        } catch (Exception e) {

            e.printStackTrace();
        }

    }//end doView()

    @ProcessAction(name = "deleteDocument")
    public void deleteDocument(ActionRequest actionRequest, ActionResponse actionResponse)
            throws IOException, PortletException, PortalException, SystemException {

        //********************** Variables **********************

        ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
        User user = themeDisplay.getUser();

        HttpServletRequest httpReq = PortalUtil
                .getOriginalServletRequest(PortalUtil.getHttpServletRequest(actionRequest));
        //String datasetId = ParamUtil.getString(actionRequest, "datasetId");

        String mimeType;

        UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(actionRequest);

        CKANClient client;

        JSONObject datasetData = new JSONObject(), resource = new JSONObject();
        JSONObject datasetDetails = new JSONObject();

        //********************** Action **********************

        try {
            PortletURL actionUrl = PortletURLFactoryUtil.create(actionRequest,
                    themeDisplay.getPortletDisplay().getId(), themeDisplay.getPlid(), PortletRequest.ACTION_PHASE);
            //         System.out.println("url: "+actionUrl);

            datasetDetails = new JSONObject(
                    URLDecoder.decode(ParamUtil.getString(uploadPortletRequest, "dataset"), "UTF-8"));

            datasetDetails.put("title", ParamUtil.getString(uploadPortletRequest, "dstitle"));

            String datasetId = ParamUtil.getString(uploadPortletRequest, "id");
            System.out.println("dataset id: " + datasetId);

            String redirectUrl = actionUrl.toString().substring(0, actionUrl.toString().indexOf("delete-dataset"));
            //         System.out.println("url redirect: "+redirectUrl);

            //init CKAN client
            client = new CKANClient();

            //create dataset
            client.deleteUserDataset(user.getUserId(), datasetId, datasetDetails);

            System.out.println("dataset deleted");
            actionResponse.sendRedirect(redirectUrl + "my-datasets");

        } catch (Exception e) {
            e.printStackTrace();
        }

    }//end editDocument()

}