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:org.eclipselabs.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.POST, URL.encode(uri.toString()));

    String data = new String(bytes);
    try {/*from  www .j  a  v a  2  s .  c o  m*/
        builder.sendRequest(data, new RequestCallback() {
            @Override
            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);
            }

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

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 w w .  j  a va 2  s .  c o 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 ww w .  j a  va  2 s.c o m
 *
 * @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/* w  ww.  j  av a 2  s  .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 o m*/
 *
 * @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// w  w w.j av a2 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 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);

            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//  ww  w. ja 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);

            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/*from w  ww . j ava2  s  .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/*  www.  j a  v a  2s  . c  o  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);
    }
}