edu.stanford.bmir.protege.web.client.ui.projectmanager.ProjectRevisionBundleConverter.java Source code

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Here is the source code for edu.stanford.bmir.protege.web.client.ui.projectmanager.ProjectRevisionBundleConverter.java

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package edu.stanford.bmir.protege.web.client.ui.projectmanager;

import edu.stanford.bmir.protege.web.shared.project.ProjectId;
import edu.stanford.bmir.protege.web.shared.revision.RevisionNumber;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.gwt.core.client.GWT;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.URL;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.FormPanel;
import com.google.gwt.user.client.ui.Hidden;

/**
 *
 * @author chiara
 */
public class ProjectRevisionBundleConverter {
    private final ProjectId projectid;

    private final RevisionNumber revisionnumber;

    public ProjectRevisionBundleConverter(ProjectId projectid, RevisionNumber revisionnumber) {
        this.projectid = checkNotNull(projectid);
        this.revisionnumber = checkNotNull(revisionnumber);
    }

    public void convert() {
        String encodedProjectName = URL.encode(projectid.getId());
        String requestData = "";
        String baseURL = GWT.getHostPageBaseURL();
        String convertURL = baseURL + "convert?ontology=" + encodedProjectName + "&revision="
                + revisionnumber.getValue();

        RequestBuilder request = new RequestBuilder(RequestBuilder.GET, convertURL);
        try {
            request.sendRequest(requestData.toString(), new RequestCallback() //requestData vuoti poich i parametri di interesse sono gi specificati nell'URL
            {
                public void onError(Request request, Throwable e) {
                    Window.alert(e.getMessage());
                }

                public void onResponseReceived(Request request, Response response) {
                    if (200 == response.getStatusCode()) //controllo che la response sia stata ricevuta in maniera corretta (stato 200)
                    {
                        String convertedProject = new String(response.getText());
                        returnTObundle(convertedProject); //funzione javascript che invia la stringa ottenuta a TRILL on SWISH
                    } else {
                        Window.alert("Received HTTP status code other than 200 : " + response.getStatusText());
                    }
                }
            });
        } catch (RequestException e) {
            // Couldn't connect to server
            Window.alert(e.getMessage());
        }
        //}
    }

    /* Funzioni javascript utilizzate, scritte seguendo la sintassi di JSNI*/

    private void returnTObundle(String converted) {
        FormPanel form = new FormPanel("_blank");
        form.setAction("http://localhost:8080/BundleQueryInterface/BundleQuery.jsp");
        form.setMethod(FormPanel.METHOD_POST);
        Hidden onto = new Hidden("ontology", converted);
        form.add(onto);
        form.submit();
    }

}