Example usage for com.google.gwt.http.client RequestBuilder setCallback

Introduction

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

Prototype

public void setCallback(RequestCallback callback) 

Source Link

Document

Sets the response handler for this request.

Usage

From source file:org.waveprotocol.box.webclient.search.JsoSearchBuilderImpl.java

License:Apache License

@Override
public Request search(final Callback callback) {
    Preconditions.checkArgument(searchRequest != null,
            "call SearchBuilder.newSearch method to construct a new query");
    Preconditions.checkArgument(searchRequest.getQuery() != null, "new query should be set");

    String url = getUrl(searchRequest);
    LOG.trace().log("Performing a search query: [Query: ", searchRequest.getQuery(), ", Index: ",
            searchRequest.getIndex(), ", NumResults: ", searchRequest.getNumResults(), "]");

    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);

    requestBuilder.setCallback(new RequestCallback() {
        @Override/*from   ww  w .j a v  a 2  s  .c  om*/
        public void onResponseReceived(Request request, Response response) {
            LOG.trace().log("Search response received: ", response.getText());
            if (response.getStatusCode() != Response.SC_OK) {
                callback.onFailure("Got back status code " + response.getStatusCode());
            } else if (!response.getHeader("Content-Type").startsWith("application/json")) {
                callback.onFailure("Search service did not return json");
            } else {
                SearchResponseJsoImpl searchResponse;
                try {
                    searchResponse = JsonMessage.parse(response.getText());
                } catch (JsonException e) {
                    callback.onFailure(e.getMessage());
                    return;
                }
                List<DigestSnapshot> digestSnapshots = SearchBuilderUtils
                        .deserializeSearchResponse(searchResponse);
                callback.onSuccess(searchResponse.getTotalResults(), digestSnapshots);
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            LOG.error().log("Search error: ", exception);
            callback.onFailure(exception.getMessage());
        }
    });

    try {
        return requestBuilder.send();
    } catch (RequestException e) {
        callback.onFailure(e.getMessage());
        return null;
    }
}

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From source file:org.waveprotocol.box.webclient.search.RemoteSearchesService.java

License:Apache License

@Override
public void storeSearches(List<SearchesItem> searches, final StoreCallback callback) {
    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.POST, SEARCHES_URL_BASE);

    requestBuilder.setRequestData(serializeSearches(searches).toJson());

    LOG.trace().log("Store searches");

    requestBuilder.setCallback(new RequestCallback() {
        @Override//from  w  ww .ja va2  s.  c o  m
        public void onResponseReceived(Request request, Response response) {
            if (response.getStatusCode() != Response.SC_OK) {
                callback.onFailure("Got back status code " + response.getStatusCode());
            } else {
                LOG.error().log("Searches was stored");
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            LOG.error().log("Storing searches error: ", exception);
            callback.onFailure(exception.getMessage());
        }
    });

    try {
        requestBuilder.send();
    } catch (RequestException e) {
        callback.onFailure(e.getMessage());
    }
}

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From source file:org.waveprotocol.box.webclient.search.RemoteSearchesService.java

License:Apache License

@Override
public void getSearches(final GetCallback callback) {

    String url = SEARCHES_URL_BASE;
    LOG.trace().log("Getting searches");

    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);

    requestBuilder.setCallback(new RequestCallback() {
        @Override//from  w w  w  .  j a va 2 s  .  co m
        public void onResponseReceived(Request request, Response response) {
            LOG.trace().log("Searches was received: ", response.getText());
            if (response.getStatusCode() != Response.SC_OK) {
                callback.onFailure("Got back status code " + response.getStatusCode());
            } else if (!response.getHeader("Content-Type").startsWith("application/json")) {
                callback.onFailure("Search service did not return json");
            } else {
                SearchesJsoImpl searchPatterns;
                try {
                    searchPatterns = JsonMessage.parse(response.getText());
                } catch (JsonException e) {
                    callback.onFailure(e.getMessage());
                    return;
                }
                List<SearchesItem> searches = deserializeSearches(searchPatterns);
                callback.onSuccess(searches);
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            LOG.error().log("Getting searches error: ", exception);
            callback.onFailure(exception.getMessage());
        }
    });

    try {
        requestBuilder.send();
    } catch (RequestException e) {
        callback.onFailure(e.getMessage());
    }
}

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From source file:org.waveprotocol.box.webclient.stat.dialog.StatDialog.java

License:Apache License

private void showUrl(String url) {
    clear();//from w  w  w .  j  a  va2 s. c om
    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);

    requestBuilder.setCallback(new RequestCallback() {

        @Override
        public void onResponseReceived(Request request, Response response) {
            show(response.getText());
        }

        @Override
        public void onError(Request request, Throwable ex) {
            Window.alert(ex.getMessage());
        }
    });
    try {
        requestBuilder.send();
    } catch (RequestException ex) {
        Window.alert(ex.getMessage());
    }
}

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From source file:org.waveprotocol.wave.client.doodad.attachment.AttachmentManagerImpl.java

License:Apache License

private void getAttachmentsInfo(final GetAttachmentsInfoCallback callback) {

    LOG.trace().log("Getting attachments info");

    String request = ATTACHMENTS_INFO_URL_BASE + "?attachmentIds=";

    for (String attacmentId : pendingQueue) {
        if (!request.endsWith("=")) {
            request += ",";
        }//from w  ww.  j ava 2s  . c om
        request += attacmentId;
    }
    final List<String> requestedAttachments = new ArrayList<String>(pendingQueue);
    pendingQueue.clear();

    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, request);

    requestBuilder.setCallback(new RequestCallback() {
        @Override
        public void onResponseReceived(Request request, Response response) {
            LOG.trace().log("Attachments info was received: ", response.getText());
            if (response.getStatusCode() != Response.SC_OK) {
                callback.onFailure(setFailureStatus(requestedAttachments),
                        "Got back status code " + response.getStatusCode());
            } else if (!response.getHeader("Content-Type").startsWith("application/json")) {
                callback.onFailure(setFailureStatus(requestedAttachments),
                        "Search service did not return json");
            } else {
                AttachmentsResponseJsoImpl attachmentsProto;
                try {
                    attachmentsProto = JsonMessage.parse(response.getText());
                } catch (JsonException e) {
                    callback.onFailure(setFailureStatus(requestedAttachments), e.getMessage());
                    return;
                }
                List<Attachment> attachments = initializeAttachments(attachmentsProto);
                callback.onSuccess(attachments);
            }
        }

        @Override
        public void onError(Request request, Throwable e) {
            LOG.error().log("Getting attachments info error: ", e);
            callback.onFailure(setFailureStatus(requestedAttachments), e.getMessage());
        }
    });

    try {
        requestBuilder.send();
    } catch (RequestException e) {
        callback.onFailure(setFailureStatus(requestedAttachments), e.getMessage());
    }
}

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From source file:pl.touk.wonderfulsecurity.gwt.client.rpc.RpcExecutor.java

License:Apache License

public static void execute(RequestBuilder rb, final boolean displayCommunicationStatus) {
    final RequestCallback originalCallback = rb.getCallback();

    /**/*www .jav a  2s . c o  m*/
     * Using default message
     */
    if (displayCommunicationStatus) {

        showServerCommunication(message);
        messageQueue.add(message);
    }

    /**
     * Replacing callback, to be able to get login page location from HTTP header
     */
    rb.setCallback(new RequestCallback() {

        public void onResponseReceived(Request request, Response response) {
            String header = response.getHeader("loginPage");
            if (header != null && header.length() > 0) {
                Redirect.redirect(header);
            }

            if (displayCommunicationStatus) {
                refreshUserMessage();
            }

            originalCallback.onResponseReceived(request, response);
        }

        public void onError(Request request, Throwable exception) {

            if (displayCommunicationStatus) {

                refreshUserMessage();
            }

            if (errorHandler != null) {
                errorHandler.handleError(request, exception);
            }
            originalCallback.onError(request, exception);
        }
    });

    try {
        rb.send();
    } catch (RequestException ex) {
        if (errorHandler != null) {
            errorHandler.handleError(ex);
        }
    }

}

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From source file:ru.prime.client.widgets.NewsPanel.java

public NewsPanel() {
    newsTitleField = new ListGridField("title", " ?");
    setFields(newsTitleField);/*from  ww  w . j av a2  s . c  o m*/

    RequestBuilder b = new RequestBuilder(RequestBuilder.GET, "/messages/news");
    try {
        b.setCallback(new RequestCallback() {

            public void onResponseReceived(Request request, Response response) {

                RecordList ls = new RecordList();
                //  Window.alert(response.getText());
                String t = response.getText();
                JSONArray v = JSONParser.parse(t).isArray();
                for (int i = 0; i < v.size(); i++) {

                    JSONObject val = v.get(i).isObject();
                    NewsEntity entry = new NewsEntity();

                    entry.setTitle(val.get("header").isString().stringValue());
                    ls.add(entry.toRecord());
                }
                setData(ls);
            }

            public void onError(Request request, Throwable exception) {
                //Window.alert(exception.getMessage());
            }
        });

        b.send();
    } catch (Exception e) {
        // Window.alert(e.getMessage());
    }

}

---

From source file:stroom.dashboard.client.vis.VisPanel.java

License:Apache License

private void injectScriptsFromString(final List<Script> scripts, final VisFunction function) {
    if (scripts == null || scripts.size() == 0) {
        // Set the function status to loaded. This will tell all handlers
        // that the function is ready for use.
        if (!LoadStatus.FAILURE.equals(function.getStatus())) {
            function.setStatus(LoadStatus.LOADED);
        }//from   w  w  w  .jav  a  2s  . c o m

    } else {
        // Only load script if we haven't already had a failure.
        if (!LoadStatus.FAILURE.equals(function.getStatus())) {
            // Get the next script to load.
            final Script script = scripts.remove(0);

            // Make sure we don't inject a script more than once.
            if (!loadedScripts.contains(script.getId())) {
                final RequestCallback requestCallback = new RequestCallback() {
                    @Override
                    public void onResponseReceived(final Request request, final Response response) {
                        // Make sure we don't inject a script more than
                        // once.
                        if (!loadedScripts.contains(script.getId())) {
                            try {
                                final String text = response.getText();

                                if (response.getStatusCode() == 200) {
                                    final FromString fromString = fromString(text);
                                    fromString.inject();

                                    // Inject the next script in the list.
                                    injectScriptsFromString(scripts, function);

                                } else {
                                    failure(function, "Failed to inject script '" + script.getName()
                                            + "' - Status " + response.getStatusCode());
                                }
                            } catch (final Exception e) {
                                failure(function, "Failed to inject script '" + script.getName() + "' - "
                                        + e.getMessage());
                            } finally {
                                // Remember that we have loaded or at least
                                // attempted to load this script so we don't
                                // try and fetch it again.
                                loadedScripts.add(script.getId());
                            }
                        } else {
                            // Inject the next script in the list.
                            injectScriptsFromString(scripts, function);
                        }
                    }

                    @Override
                    public void onError(final Request request, final Throwable e) {
                        failure(function,
                                "Failed to inject script '" + script.getName() + "' - " + e.getMessage());
                    }
                };

                try {
                    final String url = createURL(script);
                    final RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);
                    requestBuilder.setCallback(requestCallback);
                    requestBuilder.send();
                } catch (final Throwable e) {
                    failure(function, "Failed to inject script '" + script.getName() + "' - " + e.getMessage());
                }

            } else {
                // Inject the next script in the list.
                injectScriptsFromString(scripts, function);
            }
        }
    }
}

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From source file:uk.ac.diamond.gwt.rf.queue.client.core.QosRequestTransport.java

License:Open Source License

private void sendBatch(String payload, List<BatchedRequest> currentBatch) {
    // XXX use super.send?
    RequestBuilder builder = createRequestBuilder();
    configureRequestBuilder(builder);/*from   ww w  .  j av  a  2s  . c  o m*/

    builder.setRequestData(payload);
    builder.setCallback(createRequestCallbackBatch(currentBatch));

    try {
        wireLogger.finest("Sending fire request");
        builder.send();
    } catch (RequestException e) {
        wireLogger.log(Level.SEVERE, " (" + e.getMessage() + ")", e);
    }
}

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