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

List of usage examples for com.google.gwt.http.client RequestCallback RequestCallback

  1. HOME
  2. Java
  3. com.google.gwt
  4. com.google.gwt.http.client.*
  5. RequestCallback
  6. 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:n3phele.client.view.AccountListView.java

License:Open Source License

private void kill(String uri) {
    String url = uri;//  www.  j a  va 2s .  c o  m
    // Send request to server and catch any errors.
    RequestBuilder builder = AuthenticatedRequestFactory.newRequest(RequestBuilder.DELETE, url);

    try {
        @SuppressWarnings("unused")
        Request request = builder.sendRequest(null, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                Window.alert("Couldn't delete " + exception.getMessage());
            }

            public void onResponseReceived(Request request, Response response) {
                if (204 == response.getStatusCode()) {
                    if (AccountListView.this.accountListActivity != null)
                        AccountListView.this.accountListActivity.getAccountList();
                } else {
                    Window.alert("Couldn't delete (" + response.getStatusText() + ")");
                }
            }
        });
    } catch (RequestException e) {
        Window.alert("Couldn't delete " + e.getMessage());

    }

}

From source file:n3phele.client.view.ActivityListView.java

License:Open Source License

private void kill(String uri) {
    String url = uri;/*from w  w  w  . j  a v a2  s  . c o m*/
    // Send request to server and catch any errors.
    RequestBuilder builder = AuthenticatedRequestFactory.newRequest(RequestBuilder.DELETE, url);

    try {
        @SuppressWarnings("unused")
        Request request = builder.sendRequest(null, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                Window.alert("Couldn't delete " + exception.getMessage());
            }

            public void onResponseReceived(Request request, Response response) {
                if (204 == response.getStatusCode()) {
                } else {
                    Window.alert("Couldn't delete (" + response.getStatusText() + ")");
                }
            }
        });
    } catch (RequestException e) {
        Window.alert("Couldn't delete " + e.getMessage());

    }
}

From source file:n3phele.client.view.ForgotPasswordView.java

License:Open Source License

private void createUser(String url, final String email, String firstName, String lastName) {

    // Send request to server and catch any errors.
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, url);
    builder.setUser("signup");
    builder.setPassword("newuser");
    builder.setHeader("Content-type", "application/x-www-form-urlencoded");
    StringBuilder args = new StringBuilder();
    args.append("email=");
    args.append(URL.encodeQueryString(email));
    args.append("&firstName=");
    args.append(URL.encodeQueryString(firstName));
    args.append("&lastName=");
    args.append(URL.encodeQueryString(lastName));

    try {/*from   w ww.j ava  2 s . c  o  m*/
        @SuppressWarnings("unused")
        Request request = builder.sendRequest(args.toString(), new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                Window.alert("User create error " + exception.getMessage());
            }

            public void onResponseReceived(Request request, Response response) {
                GWT.log("Got reply");
                if (201 == response.getStatusCode()) {
                    Window.alert("User " + email + " password reset. Check your email for details.");
                } else {
                    Window.alert("User password reset failure " + response.getStatusText() + "\n"
                            + response.getText());
                }
            }

        });
    } catch (RequestException e) {
        Window.alert("User password reset exception " + e.getMessage());
    }
}

From source file:n3phele.client.view.NewUserView.java

License:Open Source License

private void createUser(String url, final String email, String firstName, String lastName, String password,
        String ec2Id, String ec2Secret) {

    // Send request to server and catch any errors.
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, url);
    builder.setUser("signup");
    builder.setPassword("newuser");
    builder.setHeader("Content-type", "application/x-www-form-urlencoded");
    StringBuilder args = new StringBuilder();
    args.append("email=");
    args.append(URL.encodeQueryString(email));
    args.append("&firstName=");
    args.append(URL.encodeQueryString(firstName));
    args.append("&lastName=");
    args.append(URL.encodeQueryString(lastName));
    if (password != null && password.length() > 0) {
        args.append("&secret=");
        args.append(URL.encodeQueryString(password));
    }//from  w  ww  . j a  v a 2  s .c o  m
    if (ec2Id != null && ec2Id.length() != 0) {
        args.append("&ec2Id=");
        args.append(URL.encodeQueryString(ec2Id));
        args.append("&ec2Secret=");
        args.append(URL.encodeQueryString(ec2Secret));
    }
    try {
        @SuppressWarnings("unused")
        Request request = builder.sendRequest(args.toString(), new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                Window.alert("User create error " + exception.getMessage());
            }

            public void onResponseReceived(Request request, Response response) {
                GWT.log("Got reply");
                if (201 == response.getStatusCode()) {
                    Window.alert("User " + email + " created.");
                } else {
                    Window.alert("User create failure " + response.getStatusText() + "\n" + response.getText());
                }
            }

        });
    } catch (RequestException e) {
        Window.alert("Account create exception " + e.getMessage());
    }
}

From source file:n3phele.client.view.RepoListView.java

License:Open Source License

private void kill(String uri) {
    String url = uri;//www  . j  a  v  a2 s  .c o m
    // Send request to server and catch any errors.
    RequestBuilder builder = AuthenticatedRequestFactory.newRequest(RequestBuilder.DELETE, url);

    try {
        builder.sendRequest(null, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                Window.alert("Couldn't delete " + exception.getMessage());
            }

            public void onResponseReceived(Request request, Response response) {
                if (204 == response.getStatusCode()) {
                    if (RepoListView.this.repositoryListActivity != null)
                        RepoListView.this.repositoryListActivity.getRepositoryList();
                } else {
                    Window.alert("Couldn't delete (" + response.getStatusText() + ")");
                }
            }
        });
    } catch (RequestException e) {
        Window.alert("Couldn't delete " + e.getMessage());

    }
}

From source file:name.cphillipson.experimental.gwt.client.module.common.widget.suggest.MultivalueSuggestBox.java

License:Apache License

/**
 * Retrieve Options (name-value pairs) that are suggested from the REST endpoint
 * /*w  w w .  j  a  v a2 s  .  co  m*/
 * @param query
 *            - the String search term
 * @param from
 *            - the 0-based begin index int
 * @param to
 *            - the end index inclusive int
 * @param callback
 *            - the OptionQueryCallback to handle the response
 */
private void queryOptions(final String query, final int from, final int to,
        final OptionQueryCallback callback) {
    final RequestBuilder builder = new RequestBuilder(RequestBuilder.GET,
            URL.encode(m_restEndpointUrl + "?q=" + query + "&indexFrom=" + from + "&indexTo=" + to));

    // Set our headers
    builder.setHeader("Accept", "application/json");
    builder.setHeader("Accept-Charset", "UTF-8");

    builder.setCallback(new RequestCallback() {

        @Override
        public void onResponseReceived(com.google.gwt.http.client.Request request, Response response) {
            final JSONValue val = JSONParser.parse(response.getText());
            final JSONObject obj = val.isObject();
            final int totSize = (int) obj.get(OptionResultSet.TOTAL_SIZE).isNumber().doubleValue();
            final OptionResultSet options = new OptionResultSet(totSize);
            final JSONArray optionsArray = obj.get(OptionResultSet.OPTIONS).isArray();

            if (options.getTotalSize() > 0 && optionsArray != null) {

                for (int i = 0; i < optionsArray.size(); i++) {
                    if (optionsArray.get(i) == null) {
                        /*
                         * This happens when a JSON array has an invalid trailing comma
                         */
                        continue;
                    }

                    final JSONObject jsonOpt = optionsArray.get(i).isObject();
                    final Option option = new Option();
                    option.setName(jsonOpt.get(OptionResultSet.DISPLAY_NAME).isString().stringValue());
                    option.setValue(jsonOpt.get(OptionResultSet.VALUE).isString().stringValue());
                    options.addOption(option);
                }
            }
            callback.success(options);
        }

        @Override
        public void onError(com.google.gwt.http.client.Request request, Throwable exception) {
            callback.error(exception);
        }
    });

    try {
        builder.send();
    } catch (final RequestException e) {
        updateFormFeedback(FormFeedback.ERROR, "Error: " + e.getMessage());
    }
}

From source file:net.autosauler.ballance.client.gui.ChangeLogPanel.java

License:Apache License

/**
 * Instantiates a new change log panel.//from w w  w  . j  a  v  a 2 s.  c  o m
 */
private ChangeLogPanel() {

    MainPanel.setCommInfo(true);
    try {
        new RequestBuilder(RequestBuilder.GET, "CHANGELOG").sendRequest("", new RequestCallback() {
            @Override
            public void onError(Request res, Throwable throwable) {
                MainPanel.setCommInfo(false);
                Log.error(throwable.getMessage());
            }

            @Override
            public void onResponseReceived(Request request, Response response) {
                MainPanel.setCommInfo(false);
                String text = response.getText();
                HTML w = new HTML("<p>" + text + "</p>");
                d.setWidget(w);

            }
        });
    } catch (RequestException e) {
        MainPanel.setCommInfo(false);
        Log.error(e.getMessage());
    }

    d = new DecoratorPanel();
    d.setWidth("100%");

    initWidget(d);
}

From source file:net.dancioi.jcsphotogallery.client.model.ReadXMLGeneric.java

License:Open Source License

/**
 * Gets the XML file from http server./*w  ww .  j a  va2  s  .c o  m*/
 */
public void readXmlFile(final String file, final int flag) {
    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, file);
    try {
        requestBuilder.sendRequest(null, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                showException("Error sending request");
            }

            public void onResponseReceived(Request request, Response response) {
                if (200 == response.getStatusCode()) {
                    parseXMLString(response.getText(), flag); // careful here, this is an asynchronous callback.
                } else if (404 == response.getStatusCode()) {
                    showException("File " + file + " not found on server. Wrong name or missing.");
                } else {
                    showException("Other exception on GET the " + file + " file");
                }
            }
        });
    } catch (RequestException ex) {
        new ReadException("Error sending request");
    }
}

From source file:net.dancioi.webdav.client.Put.java

License:Open Source License

protected void tryRequest(RequestBuilderWebdav builder) {
    try {/*from  w  w  w  .  jav a 2 s .  c o m*/
        builder.sendRequest(dataContent, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                //setConnected(false); //"Could not connect to server."
            }

            public void onResponseReceived(Request request, Response response) {
                if (201 == response.getStatusCode()) {

                } else {
                    commandException = new CommandException(response.getStatusCode(), response.getStatusText());
                }
            }
        });
    } catch (RequestException e) {
        // do something with this.
        // failed to send the request
    }
}

From source file:net.dancioi.webdav.client.WdHttpMethod.java

License:Open Source License

protected void tryRequest(RequestBuilderWebdav builder) {

    try {/*from w w  w .j  a va  2s. co  m*/
        builder.sendRequest(null, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                setConnected(false); //"Could not connect to server."
            }

            public void onResponseReceived(Request request, Response response) {
                setStatusCode(response.getStatusCode());
                setResponseText(response.getText());
                setResponseStatus(response.getStatusText());
                goNext();
            }
        });
    } catch (RequestException e) {
        // do something with this.
        // failed to send the request
    }
}