Example usage for com.google.gwt.http.client RequestCallback RequestCallback

Introduction

In this page you can find the example usage for com.google.gwt.http.client RequestCallback RequestCallback.

Prototype

RequestCallback

Source Link

Usage

From source file:ecplugins.websphere.client.WebSphereConfigListLoader.java

License:Apache License

private void loadConfigs(Map<String, String> cgiParams) {

    try {//w  w  w . j  av  a 2s  .  co  m
        String request = m_cgiRequestProxy.issueGetRequest(cgiParams, new RequestCallback() {
            @Override
            public void onError(Request request, Throwable exception) {
                ((HasErrorPanel) m_component).addErrorMessage("Error loading WebSphere configuration list: ",
                        exception);
            }

            @Override
            public void onResponseReceived(Request request, Response response) {
                String responseString = response.getText();

                // if HTML returned we never made it to the CGI
                Boolean isHtml = (responseString.indexOf("DOCTYPE HTML") != -1);
                String error;

                if (!isHtml) {
                    error = m_configList.parseResponse(responseString);
                } else {
                    error = responseString;
                }

                if (m_component.getLog().isDebugEnabled()) {
                    m_component.getLog().debug("Recieved CGI response: " + responseString + " isHTML:" + isHtml
                            + " error:" + error);
                }

                if (error != null) {
                    ((HasErrorPanel) m_component).addErrorMessage(error);
                } else {

                    if (StringUtil.isEmpty(m_editorName) || m_configList.isEmpty()) {

                        // We're done!
                        if (m_callback != null) {
                            m_callback.onComplete();
                        }
                    } else {
                        loadEditors();
                    }
                }
            }
        });

        if (m_component.getLog().isDebugEnabled()) {
            m_component.getLog().debug("Issued CGI request: " + request);
        }
    } catch (RequestException e) {

        if (m_component instanceof HasErrorPanel) {
            ((HasErrorPanel) m_component).addErrorMessage("Error loading WebSphere configuration list: ", e);
        } else {
            m_component.getLog().error(e);
        }
    }
}

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From source file:edu.caltech.ipac.firefly.core.HtmlRegionLoader.java

public void load(String url, final String regionName) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
    try {/*from   ww  w  .  j  a  v  a 2 s  .co  m*/
        builder.sendRequest(null, new RequestCallback() {
            public void onResponseReceived(com.google.gwt.http.client.Request req, Response res) {
                updateHtml(res.getText(), regionName);
            }

            public void onError(com.google.gwt.http.client.Request request, Throwable exception) {
            }
        });
    } catch (RequestException e) {
        e.printStackTrace();
    }

}

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From source file:edu.cudenver.bios.glimmpse.client.panels.ResultsDisplayPanel.java

License:Open Source License

private void sendPowerRequest() {
    showWorkingDialog();/*from   w  w w  . j  av  a  2  s  . com*/
    String requestEntityBody = manager.getPowerRequestXML();
    matrixDisplayPanel.loadFromXML(requestEntityBody);
    RequestBuilder builder = null;
    switch (solutionType) {
    case POWER:
        builder = new RequestBuilder(RequestBuilder.POST, POWER_URL);
        break;
    case TOTAL_N:
        builder = new RequestBuilder(RequestBuilder.POST, SAMPLE_SIZE_URL);
        break;
    }

    try {
        builder.setHeader("Content-Type", "text/xml");
        builder.sendRequest(requestEntityBody, new RequestCallback() {

            public void onError(Request request, Throwable exception) {
                showError("Calculation failed: " + exception.getMessage());
            }

            public void onResponseReceived(Request request, Response response) {
                if (STATUS_CODE_OK == response.getStatusCode()
                        || STATUS_CODE_CREATED == response.getStatusCode()) {
                    showResults(response.getText());
                } else {
                    showError("Calculation failed: [HTTP STATUS " + response.getStatusCode() + "] "
                            + response.getText());
                }
            }
        });
    } catch (Exception e) {
        showError("Failed to send the request: " + e.getMessage());
    }
}

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From source file:edu.stanford.bmir.protege.web.client.ui.projectmanager.ProjectRevisionBundleConverter.java

License:Open Source License

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 {//from   w w w  .ja v a  2  s.  c  om
        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());
    }
    //}
}

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From source file:edu.stanford.bmir.protege.web.client.ui.projectmanager.ProjectRevisionConverter.java

License:Open Source License

public void convert() {
    String encodedProjectName = URL.encode(projectid.getId());
    String requestData = "";
    String baseURL = GWT.getHostPageBaseURL();
    String convertURL = baseURL + "convert?ontology=" + encodedProjectName + "&revision="
            + revisionnumber.getValue();
    boolean opened = openedPage();
    //controllo se la pagina  stata aperta da un'altra pagina, in modo da avere un riferimento a cui inviare l'ontologia in RDF/XML
    if (opened == true) { //invio la richiesta alla servlet per ottenere l'ontologia convertita!!!
        RequestBuilder request = new RequestBuilder(RequestBuilder.GET, convertURL);
        try {// w w w. j  a  v  a  2 s. com
            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());
                        returnTOtrill(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());
        }
    }
}

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From source file:edu.ucdenver.bios.glimmpseweb.client.shared.ResultsDisplayPanel.java

License:Open Source License

/**
 * Send a request to the power web service to 
 * calculate the results/*from  ww  w .ja  v  a 2s.co  m*/
 */
private void sendPowerRequest() {
    showWorkingDialog();
    StudyDesign studyDesign = studyDesignContext.getStudyDesign();

    // send an ajax request to calculate power
    try {
        RequestCallback callback = new RequestCallback() {

            @Override
            public void onResponseReceived(Request request, Response response) {
                hideWorkingDialog();
                if (response.getStatusCode() == Response.SC_OK) {

                    String resultsJSON = response.getText();

                    List<PowerResult> results = powerSvcConnector.parsePowerResultList(resultsJSON);
                    if (results != null && results.size() > 0) {
                        showResults(results);
                        showCurveResults(results);
                    } else {
                        showError("0 results");
                    }
                } else {
                    showError(response.getText());
                }
            }

            @Override
            public void onError(Request request, Throwable exception) {
                hideWorkingDialog();
                showError(exception.getMessage());
            }
        };
        switch (studyDesign.getSolutionTypeEnum()) {
        case POWER:
            powerSvcConnector.getPower(studyDesign, callback);
            break;
        case SAMPLE_SIZE:
            powerSvcConnector.getSampleSize(studyDesign, callback);
            break;
        }
    } catch (Exception e) {

    }

}

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From source file:es.deusto.weblab.client.configuration.ConfigurationManager.java

License:Open Source License

public void start() {
    final RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, this.configurationPath);
    try {//from w w w. jav a2  s  .  com
        builder.sendRequest(null, new RequestCallback() {
            @Override
            public void onError(Request request, Throwable exception) {
                ConfigurationManager.this.callback.onFailure(exception);
            }

            @Override
            public void onResponseReceived(Request request, Response response) {
                if (response.getStatusCode() / 100 == 2 || response.getStatusCode() / 100 == 3) {
                    final JSONValue value;
                    try {
                        value = JSONParser.parseLenient(response.getText());
                    } catch (final Exception e) {
                        ConfigurationManager.this.callback.onFailure(new ConfigurationException(
                                "Error parsing configuration: " + e.getMessage(), e));
                        return;
                    }

                    final JSONObject objValue = value.isObject();
                    if (objValue == null) {
                        ConfigurationManager.this.callback.onFailure(
                                new ConfigurationException("Error parsing configuration: object expected"));
                        return;
                    }

                    for (final String key : objValue.keySet()) {
                        final JSONValue currentValue = objValue.get(key);
                        if (currentValue == null) {
                            ConfigurationManager.this.callback.onFailure(new ConfigurationException(
                                    "Error parsing configuration: empty value for key: " + key));
                            return;
                        }
                        ConfigurationManager.this.configurationMap.put(key, currentValue);
                    }

                    ConfigurationManager.this.callback.onLoaded();
                } else {
                    ConfigurationManager.this.callback
                            .onFailure(new ConfigurationException("Invalid status code: "
                                    + response.getStatusCode() + "; " + response.getStatusText()));
                }
            }
        });
    } catch (final RequestException e1) {
        ConfigurationManager.this.callback
                .onFailure(new ConfigurationException("Exception thrown creating request: " + e1.getMessage()));
    }
}

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From source file:fi.jasoft.uidlcompressor.client.ui.UIDLCompressorApplicationConnection.java

License:Apache License

@Override
protected void doAsyncUIDLRequest(String uri, String payload, final RequestCallback requestCallback)
        throws RequestException {

    // Wrap the request callback
    RequestCallback wrappedCallback = new RequestCallback() {
        public void onResponseReceived(Request request, final Response response) {

            Response jsonResponse = new Response() {

                /*/*ww  w  .  j  av a 2 s .  c o m*/
                 * Caching the decoded json string in case getText() is
                 * called several times
                 */
                private String decodedJson;

                @Override
                public String getText() {
                    String base64 = response.getText();
                    if (base64.startsWith("for(")) {
                        // Server is sending json, digress
                        return base64;
                    }

                    if (decodedJson == null) {
                        long start = new Date().getTime();
                        decodedJson = decompressBase64Gzip(base64);
                        long end = new Date().getTime();
                        VConsole.log("Decoding JSON took " + (end - start) + "ms");
                    }

                    return decodedJson;
                }

                @Override
                public String getStatusText() {
                    return response.getStatusText();
                }

                @Override
                public int getStatusCode() {
                    return response.getStatusCode();
                }

                @Override
                public String getHeadersAsString() {
                    return response.getHeadersAsString();
                }

                @Override
                public Header[] getHeaders() {
                    return response.getHeaders();
                }

                @Override
                public String getHeader(String header) {
                    return response.getHeader(header);
                }
            };

            requestCallback.onResponseReceived(request, jsonResponse);
        }

        public void onError(Request request, Throwable exception) {
            requestCallback.onError(request, exception);
        }
    };

    // TODO Add payload compression here
    super.doAsyncUIDLRequest(uri, payload, wrappedCallback);
}

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From source file:fr.aliasource.webmail.client.reader.invitation.GoingEventDataRequest.java

License:GNU General Public License

public void requestGoing(String extId, final String going) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, URL.encode(url));
    builder.setHeader("Content-Type", "application/x-www-form-urlencoded");

    String requestData = "token=" + URL.encodeComponent(token);
    requestData += "&extId=" + URL.encodeComponent(extId);
    requestData += "&going=" + URL.encodeComponent(going);
    try {// w ww  .j  a  v  a  2s.  c  om
        builder.sendRequest(requestData, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                GWT.log("srv error", exception);
            }

            public void onResponseReceived(Request request, Response response) {
                if (200 == response.getStatusCode()) {
                    // Process the response in response.getText()
                    String resp = response.getText();
                    GWT.log("text:\n" + resp, null);
                    ctrl.goingReceived(going);
                } else {
                    GWT.log("error: " + response.getStatusCode() + " " + response.getStatusText(), null);
                }
            }
        });
    } catch (RequestException e) {
        // Couldn't connect to server
    }
}

---

From source file:fr.aliasource.webmail.client.reader.invitation.InvitationInfoDataProvider.java

License:GNU General Public License

public void requestInvitation(MessageId messageId, String folder) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, URL.encode(url));
    builder.setHeader("Content-Type", "application/x-www-form-urlencoded");

    String requestData = "token=" + URL.encodeComponent(token);
    requestData += "&messageId=" + URL.encodeComponent(String.valueOf(messageId.getMessageId()));
    requestData += "&folder=" + URL.encodeComponent(folder);
    try {//  w  ww  . ja  v a  2 s  .c  om
        builder.sendRequest(requestData, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                GWT.log("srv error", exception);
            }

            public void onResponseReceived(Request request, Response response) {
                if (200 == response.getStatusCode()) {
                    // Process the response in response.getText()
                    String resp = response.getText();
                    Document doc = XMLParser.parse(resp);

                    InvitationInfo invitationInfo = parseXml(doc);
                    ctrl.invitationReceived(invitationInfo);
                } else {
                    GWT.log("error: " + response.getStatusCode() + " " + response.getStatusText(), null);
                }
            }

        });
    } catch (RequestException e) {
        GWT.log("Couldn't connect to server", e);
    }
}

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