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

Introduction

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

Prototype

protected RequestBuilder(String httpMethod, String url)

Source Link

Document

Creates a builder using the parameters values for configuration.

Usage

From source file:org.eclipselabs.emfjson.gwt.handlers.HttpHandler.java

License:Open Source License

@Override
public void exists(URI uri, Map<?, ?> options, final Callback<Boolean> callback) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.HEAD, URL.encode(uri.toString()));

    try {//from w ww .  ja v a 2s .  co m
        builder.sendRequest(null, new RequestCallback() {
            @Override
            public void onResponseReceived(Request request, Response response) {
                int code = response.getStatusCode();
                if (code >= 200 && code < 300) {
                    callback.onSuccess(true);
                } else {
                    callback.onSuccess(false);
                }
            }

            @Override
            public void onError(Request request, Throwable exception) {
                callback.onFailure(exception);
            }
        });
    } catch (RequestException e) {
        e.printStackTrace();
    }
}

From source file:org.ednovo.gooru.application.client.home.HomeView.java

License:Open Source License

/**
 *
 * @function generateDistrictLibraries/*from   www . ja v  a  2  s.c  om*/
 *
 * @created_date : 11-Nov-2014
 *
 * @description
 *
 *
 * @parm(s) :
 *
 * @return : void
 *
 * @throws : <Mentioned if any exceptions>
 *
 *
 *
 *
 */
private void generateDistrictLibraries() {

    try {
        new RequestBuilder(RequestBuilder.GET, "./images/json/district-libraries.json").sendRequest("",
                new RequestCallback() {
                    @Override
                    public void onResponseReceived(Request req, Response resp) {
                        List<JSONStandardsDo> stdList = getList(resp.getText());
                        for (int k = 0; k < stdList.size(); k++) {

                            PeListPanel pTag = new PeListPanel();
                            Anchor anchor = new Anchor();
                            anchor.setText(stdList.get(k).getLabel());
                            String url = StringUtil.generateMessage(stdList.get(k).getLink(),
                                    stdList.get(k).getCourseId() + "", stdList.get(k).getSubjectId() + "");
                            if (stdList.get(k).getExtraParms() != null) {
                                url = url + "&" + stdList.get(k).getExtraParms();
                            }
                            anchor.setHref(url);
                            pTag.add(anchor);
                            panelDistrictLibraries.add(pTag);
                        }
                    }

                    @Override
                    public void onError(Request res, Throwable throwable) {
                    }
                });
    } catch (RequestException e) {
        jsonDataString = null;
    }

}

From source file:org.ednovo.gooru.application.client.home.HomeView.java

License:Open Source License

/**
 * @function generateStandardLibraries// ww  w .j  a  v  a  2s. c o  m
 *
 * @created_date : Aug 5, 2014
 *
 * @description
 *
 *
 *
 * @return : void
 *
 * @throws : <Mentioned if any exceptions>
 *
 *
 *
 *
*/
private void generateStandardLibraries() {

    try {
        new RequestBuilder(RequestBuilder.GET, "./images/json/standards.json").sendRequest("",
                new RequestCallback() {
                    @Override
                    public void onResponseReceived(Request req, Response resp) {
                        List<JSONStandardsDo> stdList = getList(resp.getText());
                        for (int k = 0; k < stdList.size(); k++) {

                            PeListPanel pTag = new PeListPanel();
                            Anchor anchor = new Anchor();
                            anchor.setText(stdList.get(k).getLabel());
                            String url = StringUtil.generateMessage(stdList.get(k).getLink(),
                                    stdList.get(k).getCourseId() + "", stdList.get(k).getSubjectId() + "");
                            if (stdList.get(k).getExtraParms() != null) {
                                url = url + "&" + stdList.get(k).getExtraParms();
                            }
                            anchor.setHref(url);
                            pTag.add(anchor);
                            panelStandardLibraries.add(pTag);
                        }
                    }

                    @Override
                    public void onError(Request res, Throwable throwable) {
                    }
                });
    } catch (RequestException e) {
        jsonDataString = null;
    }

}

From source file:org.ednovo.gooru.application.client.home.HomeView.java

License:Open Source License

/**
 * @function getJSONDataFromFile//from  w w  w.  j a v  a 2  s  . c om
 *
 * @created_date : Aug 5, 2014
 *
 * @description
 *
 *
 *
 * @return : void
 *
 * @throws : <Mentioned if any exceptions>
 *
 *
 *
 *
*/

private String getJSONDataFromFile() {

    try {
        new RequestBuilder(RequestBuilder.GET, "./images/json/standards.json").sendRequest("",
                new RequestCallback() {
                    @Override
                    public void onResponseReceived(Request req, Response resp) {
                        jsonDataString = resp.getText();
                    }

                    @Override
                    public void onError(Request res, Throwable throwable) {
                    }
                });
    } catch (RequestException e) {
        jsonDataString = null;
    }
    return jsonDataString;
}

From source file:org.emfjson.gwt.handlers.HttpHandler.java

License:Open Source License

public static void create(final ResourceSet resourceSet, URI createService, final Callback<Resource> callback) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, URL.encode(createService.toString()));
    builder.setHeader("Content-Type", "application/json");
    builder.setCallback(new RequestCallback() {
        @Override//from  www . ja va2 s .c o  m
        public void onResponseReceived(Request request, Response response) {
            if (response.getStatusCode() == 201) {
                String location = response.getHeader("Location");
                Resource resource = resourceSet.createResource(URI.createURI(location));
                callback.onSuccess(resource);
            } else {
                callback.onFailure(new Exception("Resource has not been created"));
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            callback.onFailure(exception);
        }
    });

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

From source file:org.emfjson.gwt.handlers.HttpHandler.java

License:Open Source License

@Override
public void createInputStream(final URI uri, Map<?, ?> options, final Callback<Map<?, ?>> callback) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(uri.toString()));
    builder.setHeader("Content-Type", "application/json");
    builder.setCallback(new RequestCallback() {
        @Override/*from  ww w.  j a  v  a 2  s  .c  o m*/
        public void onResponseReceived(Request request, Response response) {
            Map<String, Object> resultMap = new HashMap<String, Object>();
            Map<String, Object> responseMap = new HashMap<String, Object>();
            resultMap.put(URIConverter.OPTION_RESPONSE, responseMap);

            if (200 == response.getStatusCode()) {
                String responseText = response.getText();
                if (responseText != null) {
                    InputStream stream = new ByteArrayInputStream(responseText.getBytes());
                    responseMap.put(URIConverter.RESPONSE_RESULT, stream);
                }
                callback.onSuccess(resultMap);
            } else {
                callback.onFailure(new Exception("Error " + response.getStatusCode()));
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            callback.onFailure(exception);
        }
    });

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

From source file:org.emfjson.gwt.handlers.HttpHandler.java

License:Open Source License

@Override
public void delete(URI uri, Map<?, ?> options, final Callback<Map<?, ?>> callback) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.DELETE, URL.encode(uri.toString()));
    builder.setHeader("Content-Type", "application/json");
    builder.setCallback(new RequestCallback() {
        @Override/*from   w  w  w  .  jav a 2s .  c o  m*/
        public void onResponseReceived(Request request, Response response) {
            Map<String, Object> resultMap = new HashMap<String, Object>();
            Map<String, Object> responseMap = new HashMap<String, Object>();
            resultMap.put(URIConverter.OPTION_RESPONSE, responseMap);

            int code = response.getStatusCode();
            if (code >= 200 && code < 300) {
                responseMap.put(URIConverter.RESPONSE_RESULT, null);
                responseMap.put(URIConverter.RESPONSE_TIME_STAMP_PROPERTY, null);
                responseMap.put(URIConverter.RESPONSE_URI, null);
                callback.onSuccess(resultMap);
            } else {
                callback.onFailure(new Exception(response.getStatusText()));
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            callback.onFailure(exception);
        }
    });

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

From source file:org.emfjson.gwt.handlers.HttpHandler.java

License:Open Source License

@Override
public void store(URI uri, byte[] bytes, Map<?, ?> options, final Callback<Map<?, ?>> callback) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.PUT, URL.encode(uri.toString()));
    builder.setHeader("Content-Type", "application/json");
    builder.setRequestData(new String(bytes));
    builder.setCallback(new RequestCallback() {
        @Override// w  ww .  j a  va2s  .  co  m
        public void onResponseReceived(Request request, Response response) {
            Map<String, Object> resultMap = new HashMap<String, Object>();
            Map<String, Object> responseMap = new HashMap<String, Object>();
            resultMap.put(URIConverter.OPTION_RESPONSE, responseMap);

            int code = response.getStatusCode();
            if (code >= 200 && code < 300) {
                responseMap.put(URIConverter.RESPONSE_RESULT,
                        new ByteArrayInputStream(response.getText().getBytes()));
                responseMap.put(URIConverter.RESPONSE_TIME_STAMP_PROPERTY, null);
                responseMap.put(URIConverter.RESPONSE_URI, null);
                callback.onSuccess(resultMap);
            } else {
                callback.onFailure(new Exception("Error " + response.getStatusCode()));
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            callback.onFailure(exception);
        }
    });

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

From source file:org.emfjson.gwt.handlers.HttpHandler.java

License:Open Source License

@Override
public void exists(URI uri, Map<?, ?> options, final Callback<Boolean> callback) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.HEAD, URL.encode(uri.toString()));
    builder.setHeader("Content-Type", "application/json");
    builder.setCallback(new RequestCallback() {
        @Override// ww w.  ja  v  a  2s.co m
        public void onResponseReceived(Request request, Response response) {
            int code = response.getStatusCode();
            if (code >= 200 && code < 300) {
                callback.onSuccess(true);
            } else {
                callback.onSuccess(false);
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            callback.onFailure(exception);
        }
    });

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

From source file:org.freemedsoftware.gwt.client.CurrentState.java

License:Open Source License

/**
 * Set user specific configuration value.
 * //from  ww  w .j a v  a 2 s.  c  o  m
 * @param key
 * @param value
 */
public static synchronized void setUserConfig(String key, Object value) {
    // Set key locally
    if (value == null) {
        value = new String("");
        JsonUtil.debug("For key = " + key + ", value was null");
    }
    if (value instanceof String) {
        userConfiguration.put(key, (String) value);
    } else if (value instanceof HashMap) {
        userConfiguration.put(key, JsonUtil.jsonify(value));
    } else if (value instanceof Serializable) {
        userConfiguration.put(key, ((Serializable) value).toString());
    } else {
        JsonUtil.debug("Unable to serialize value");
    }

    if (Util.getProgramMode() == ProgramMode.STUBBED) {
        // STUBBED mode
    } else if (Util.getProgramMode() == ProgramMode.JSONRPC) {
        RequestBuilder builder = new RequestBuilder(RequestBuilder.POST,
                URL.encode(Util.getJsonRequest("org.freemedsoftware.api.UserInterface.SetConfigValue",
                        new String[] { key, JsonUtil.jsonify(value) })));
        try {
            builder.sendRequest(null, new RequestCallback() {
                public void onError(Request request, Throwable ex) {
                    Util.showErrorMsg("CurrentState", "Failed to update configuration value.");
                }

                public void onResponseReceived(Request request, Response response) {
                    if (200 == response.getStatusCode()) {
                        Util.showInfoMsg("CurrentState", "Updated configuration value.");
                    } else {
                        Util.showErrorMsg("CurrentState", "Failed to update configuration value.");
                    }
                }
            });
        } catch (RequestException e) {
            Util.showErrorMsg("CurrentState", "Failed to update configuration value.");
        }

    } else {
        // GWT-RPC
    }
}