Example usage for com.google.gson.stream JsonReader JsonReader

List of usage examples for com.google.gson.stream JsonReader JsonReader

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Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader JsonReader.

Prototype

public JsonReader(Reader in)

Source Link

Document

Creates a new instance that reads a JSON-encoded stream from in .

Usage

From source file:com.berniesanders.fieldthebern.repositories.CollectionRepo.java

License:Apache License

private Observable<Collection> getFromFile() {

    return Observable.create(new Observable.OnSubscribe<Collection>() {

        @Override//  ww  w  . ja  v a  2 s  .  c om
        public void call(Subscriber<? super Collection> subscriber) {

            Timber.v("getFromFile()");
            File file = new File(context.getFilesDir(), JSON_FILE_PATH);
            Reader fileReader;

            try {
                fileReader = new FileReader(file);
            } catch (FileNotFoundException e) {
                Timber.e(e, "File not found? we're doomed");
                subscriber.onError(e);
                return;
            }

            JsonReader jsonReader = new JsonReader(fileReader);
            collectionMemCache = gson.fromJson(jsonReader, Collection.class);
            subscriber.onNext(collectionMemCache);
            subscriber.onCompleted();
        }
    });
}

From source file:com.boc.lfj.httpdemo.retrofit.gson.GsonResponseBodyConverter.java

License:Apache License

@Override
public T convert(ResponseBody value) throws IOException {
    JsonReader jsonReader = new JsonReader(value.charStream());
    try {//from w  w  w. jav  a 2s . c  o  m
        return adapter.read(jsonReader);
    } finally {
        value.close();
    }
}

From source file:com.buddycloud.friendfinder.HttpUtils.java

License:Apache License

public static JsonElement consumeJSON(String URL) throws Exception {
    HttpClient client = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(URL);
    HttpResponse httpResponse = client.execute(httpGet);

    JsonElement parse = new JsonParser()
            .parse(new JsonReader(new InputStreamReader(httpResponse.getEntity().getContent())));

    return parse;
}

From source file:com.builtbroken.builder.utils.Utils.java

/**
 * Reads a file from disk as a json element
 *
 * @param file - file to load, does not check if the
 *             file exists or is a json file.
 * @return element//from w  ww  .  j av  a  2  s. com
 */
public static JsonElement toJsonElement(final File file) {
    try {
        FileReader stream = new FileReader(file);
        BufferedReader reader = new BufferedReader(stream);

        JsonReader jsonReader = new JsonReader(reader);
        JsonElement element = Streams.parse(jsonReader);

        reader.close();
        stream.close();
        return element;
    } catch (Exception e) {
        throw new RuntimeException("Failed to parse file as json [" + file + "]", e);
    }
}

From source file:com.cdancy.artifactory.rest.fallbacks.ArtifactoryFallbacks.java

License:Apache License

public static RequestStatus createPromoteBuildFromError(String message) {
    List<Message> messages = new ArrayList<>();
    List<Error> errors = new ArrayList<>();

    JsonReader reader = new JsonReader(new StringReader(message));
    reader.setLenient(true);/*w w w . j  av  a2s  .com*/

    JsonElement possibleMessages = parser.parse(reader).getAsJsonObject().get("messages");
    if (possibleMessages != null) {
        JsonArray jsonArray = possibleMessages.getAsJsonArray();
        Iterator<JsonElement> iter = jsonArray.iterator();
        while (iter.hasNext()) {
            JsonElement jsonElement = iter.next();
            JsonObject jsonObject = jsonElement.getAsJsonObject();
            Message mess = Message.create(jsonObject.get("level").getAsString(),
                    jsonObject.get("message").getAsString());
            messages.add(mess);
        }
    }

    JsonElement possibleErrors = parser.parse(message).getAsJsonObject().get("errors");
    if (possibleErrors != null) {
        JsonArray jsonArray = possibleErrors.getAsJsonArray();
        Iterator<JsonElement> iter = jsonArray.iterator();
        while (iter.hasNext()) {
            JsonElement jsonElement = iter.next();
            JsonObject jsonObject = jsonElement.getAsJsonObject();
            Error error = Error.create(jsonObject.get("status").getAsInt(),
                    jsonObject.get("message").getAsString());
            errors.add(error);
        }
    }

    return RequestStatus.create(messages, errors);
}

From source file:com.cinchapi.concourse.util.Convert.java

License:Apache License

/**
 * Takes a JSON string representation of an object or an array of JSON
 * objects and returns a list of {@link Multimap multimaps} with the
 * corresponding data. Unlike {@link #jsonToJava(String)}, this method will
 * allow the top level element to be an array in the {code json} string.
 * /*from ww  w.j ava2  s. c  o m*/
 * @param json
 * @return A list of Java objects
 */
public static List<Multimap<String, Object>> anyJsonToJava(String json) {
    List<Multimap<String, Object>> result = Lists.newArrayList();
    try (JsonReader reader = new JsonReader(new StringReader(json))) {
        reader.setLenient(true);
        if (reader.peek() == JsonToken.BEGIN_ARRAY) {
            try {
                reader.beginArray();
                while (reader.peek() != JsonToken.END_ARRAY) {
                    result.add(jsonToJava(reader));
                }
                reader.endArray();
            } catch (IllegalStateException e) {
                throw new JsonParseException(e.getMessage());
            }
        } else {
            result.add(jsonToJava(reader));
        }
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
    return result;
}

From source file:com.cinchapi.concourse.util.Convert.java

License:Apache License

/**
 * Convert a JSON formatted string to a mapping that associates each key
 * with the Java objects that represent the corresponding values. This
 * method is designed to parse simple JSON structures that associate keys to
 * simple values or arrays without knowing the type of each element ahead of
 * time./*  w w w . j ava2 s. c  o m*/
 * <p>
 * This method can properly handle JSON strings that abide by the following
 * rules:
 * <ul>
 * <li>The top level element in the JSON string must be an Object</li>
 * <li>No nested objects (e.g. a key cannot map to an object)</li>
 * <li>No null values</li>
 * </ul>
 * </p>
 * 
 * @param json
 * @return the converted data
 */
public static Multimap<String, Object> jsonToJava(String json) {
    try (JsonReader reader = new JsonReader(new StringReader(json))) {
        reader.setLenient(true);
        return jsonToJava(reader);
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
}

From source file:com.cloud.agent.manager.SimulatorManagerImpl.java

License:Apache License

@DB
@Override/*  w ww  .j  a  v a 2  s .  c o  m*/
public Answer simulate(final Command cmd, final String hostGuid) {
    Answer answer = null;
    Exception exception = null;
    TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.SIMULATOR_DB);
    try {
        final MockHost host = _mockHost.findByGuid(hostGuid);
        String cmdName = cmd.toString();
        final int index = cmdName.lastIndexOf(".");
        if (index != -1) {
            cmdName = cmdName.substring(index + 1);
        }

        final SimulatorInfo info = new SimulatorInfo();
        info.setHostUuid(hostGuid);

        final MockConfigurationVO config = _mockConfigDao.findByNameBottomUP(host.getDataCenterId(),
                host.getPodId(), host.getClusterId(), host.getId(), cmdName);
        if (config != null && (config.getCount() == null || config.getCount().intValue() > 0)) {
            final Map<String, String> configParameters = config.getParameters();
            for (final Map.Entry<String, String> entry : configParameters.entrySet()) {
                if (entry.getKey().equalsIgnoreCase("enabled")) {
                    info.setEnabled(Boolean.parseBoolean(entry.getValue()));
                } else if (entry.getKey().equalsIgnoreCase("timeout")) {
                    try {
                        info.setTimeout(Integer.valueOf(entry.getValue()));
                    } catch (final NumberFormatException e) {
                        s_logger.debug("invalid timeout parameter: " + e.toString());
                    }
                }

                if (entry.getKey().equalsIgnoreCase("wait")) {
                    try {
                        final int wait = Integer.valueOf(entry.getValue());
                        Thread.sleep(wait);
                    } catch (final NumberFormatException e) {
                        s_logger.debug("invalid wait parameter: " + e.toString());
                    } catch (final InterruptedException e) {
                        s_logger.debug("thread is interrupted: " + e.toString());
                    }
                }

                if (entry.getKey().equalsIgnoreCase("result")) {
                    final String value = entry.getValue();
                    if (value.equalsIgnoreCase("fail")) {
                        answer = new Answer(cmd, false, "Simulated failure");
                    } else if (value.equalsIgnoreCase("fault")) {
                        exception = new Exception("Simulated fault");
                    }
                }
            }

            if (exception != null) {
                throw exception;
            }

            if (answer == null) {
                final String message = config.getJsonResponse();
                if (message != null) {
                    // json response looks like {"<Type>":....}
                    final String objectType = message.split(":")[0].substring(2).replace("\"", "");
                    final String objectData = message.substring(message.indexOf(':') + 1, message.length() - 1);
                    if (objectType != null) {
                        Class<?> clz = null;
                        try {
                            clz = Class.forName(objectType);
                        } catch (final ClassNotFoundException e) {
                        }
                        if (clz != null) {
                            final StringReader reader = new StringReader(objectData);
                            final JsonReader jsonReader = new JsonReader(reader);
                            jsonReader.setLenient(true);
                            answer = (Answer) s_gson.fromJson(jsonReader, clz);
                        }
                    }
                }
            }
        }

        if (answer == null) {
            if (cmd instanceof GetHostStatsCommand) {
                answer = _mockAgentMgr.getHostStatistic((GetHostStatsCommand) cmd);
            } else if (cmd instanceof CheckHealthCommand) {
                answer = _mockAgentMgr.checkHealth((CheckHealthCommand) cmd);
            } else if (cmd instanceof PingTestCommand) {
                answer = _mockAgentMgr.pingTest((PingTestCommand) cmd);
            } else if (cmd instanceof PrepareForMigrationCommand) {
                answer = _mockVmMgr.prepareForMigrate((PrepareForMigrationCommand) cmd);
            } else if (cmd instanceof MigrateCommand) {
                answer = _mockVmMgr.migrate((MigrateCommand) cmd, info);
            } else if (cmd instanceof StartCommand) {
                answer = _mockVmMgr.startVM((StartCommand) cmd, info);
            } else if (cmd instanceof CheckSshCommand) {
                answer = _mockVmMgr.checkSshCommand((CheckSshCommand) cmd);
            } else if (cmd instanceof CheckVirtualMachineCommand) {
                answer = _mockVmMgr.checkVmState((CheckVirtualMachineCommand) cmd);
            } else if (cmd instanceof SetStaticNatRulesCommand) {
                answer = _mockNetworkMgr.SetStaticNatRules((SetStaticNatRulesCommand) cmd);
            } else if (cmd instanceof SetFirewallRulesCommand) {
                answer = _mockNetworkMgr.SetFirewallRules((SetFirewallRulesCommand) cmd);
            } else if (cmd instanceof SetPortForwardingRulesCommand) {
                answer = _mockNetworkMgr.SetPortForwardingRules((SetPortForwardingRulesCommand) cmd);
            } else if (cmd instanceof NetworkUsageCommand) {
                answer = _mockNetworkMgr.getNetworkUsage((NetworkUsageCommand) cmd);
            } else if (cmd instanceof IpAssocCommand) {
                answer = _mockNetworkMgr.IpAssoc((IpAssocCommand) cmd);
            } else if (cmd instanceof LoadBalancerConfigCommand) {
                answer = _mockNetworkMgr.LoadBalancerConfig((LoadBalancerConfigCommand) cmd);
            } else if (cmd instanceof DhcpEntryCommand) {
                answer = _mockNetworkMgr.AddDhcpEntry((DhcpEntryCommand) cmd);
            } else if (cmd instanceof VmDataCommand) {
                answer = _mockVmMgr.setVmData((VmDataCommand) cmd);
            } else if (cmd instanceof CleanupNetworkRulesCmd) {
                answer = _mockVmMgr.cleanupNetworkRules((CleanupNetworkRulesCmd) cmd, info);
            } else if (cmd instanceof CheckNetworkCommand) {
                answer = _mockAgentMgr.checkNetworkCommand((CheckNetworkCommand) cmd);
            } else if (cmd instanceof StopCommand) {
                answer = _mockVmMgr.stopVM((StopCommand) cmd);
            } else if (cmd instanceof RebootCommand) {
                answer = _mockVmMgr.rebootVM((RebootCommand) cmd);
            } else if (cmd instanceof GetVncPortCommand) {
                answer = _mockVmMgr.getVncPort((GetVncPortCommand) cmd);
            } else if (cmd instanceof CheckConsoleProxyLoadCommand) {
                answer = _mockVmMgr.checkConsoleProxyLoad((CheckConsoleProxyLoadCommand) cmd);
            } else if (cmd instanceof WatchConsoleProxyLoadCommand) {
                answer = _mockVmMgr.watchConsoleProxyLoad((WatchConsoleProxyLoadCommand) cmd);
            } else if (cmd instanceof SecurityGroupRulesCmd) {
                answer = _mockVmMgr.addSecurityGroupRules((SecurityGroupRulesCmd) cmd, info);
            } else if (cmd instanceof SavePasswordCommand) {
                answer = _mockVmMgr.savePassword((SavePasswordCommand) cmd);
            } else if (cmd instanceof PrimaryStorageDownloadCommand) {
                answer = _mockStorageMgr.primaryStorageDownload((PrimaryStorageDownloadCommand) cmd);
            } else if (cmd instanceof CreateCommand) {
                answer = _mockStorageMgr.createVolume((CreateCommand) cmd);
            } else if (cmd instanceof AttachIsoCommand) {
                answer = _mockStorageMgr.AttachIso((AttachIsoCommand) cmd);
            } else if (cmd instanceof DeleteStoragePoolCommand) {
                answer = _mockStorageMgr.DeleteStoragePool((DeleteStoragePoolCommand) cmd);
            } else if (cmd instanceof ModifyStoragePoolCommand) {
                answer = _mockStorageMgr.ModifyStoragePool((ModifyStoragePoolCommand) cmd);
            } else if (cmd instanceof CreateStoragePoolCommand) {
                answer = _mockStorageMgr.CreateStoragePool((CreateStoragePoolCommand) cmd);
            } else if (cmd instanceof SecStorageSetupCommand) {
                answer = _mockStorageMgr.SecStorageSetup((SecStorageSetupCommand) cmd);
            } else if (cmd instanceof ListTemplateCommand) {
                answer = _mockStorageMgr.ListTemplates((ListTemplateCommand) cmd);
            } else if (cmd instanceof ListVolumeCommand) {
                answer = _mockStorageMgr.ListVolumes((ListVolumeCommand) cmd);
            } else if (cmd instanceof DestroyCommand) {
                answer = _mockStorageMgr.Destroy((DestroyCommand) cmd);
            } else if (cmd instanceof DownloadProgressCommand) {
                answer = _mockStorageMgr.DownloadProcess((DownloadProgressCommand) cmd);
            } else if (cmd instanceof DownloadCommand) {
                answer = _mockStorageMgr.Download((DownloadCommand) cmd);
            } else if (cmd instanceof GetStorageStatsCommand) {
                answer = _mockStorageMgr.GetStorageStats((GetStorageStatsCommand) cmd);
            } else if (cmd instanceof ManageSnapshotCommand) {
                answer = _mockStorageMgr.ManageSnapshot((ManageSnapshotCommand) cmd);
            } else if (cmd instanceof BackupSnapshotCommand) {
                answer = _mockStorageMgr.BackupSnapshot((BackupSnapshotCommand) cmd, info);
            } else if (cmd instanceof CreateVolumeFromSnapshotCommand) {
                answer = _mockStorageMgr.CreateVolumeFromSnapshot((CreateVolumeFromSnapshotCommand) cmd);
            } else if (cmd instanceof DeleteCommand) {
                answer = _mockStorageMgr.Delete((DeleteCommand) cmd);
            } else if (cmd instanceof SecStorageVMSetupCommand) {
                answer = _mockStorageMgr.SecStorageVMSetup((SecStorageVMSetupCommand) cmd);
            } else if (cmd instanceof CreatePrivateTemplateFromSnapshotCommand) {
                answer = _mockStorageMgr
                        .CreatePrivateTemplateFromSnapshot((CreatePrivateTemplateFromSnapshotCommand) cmd);
            } else if (cmd instanceof ComputeChecksumCommand) {
                answer = _mockStorageMgr.ComputeChecksum((ComputeChecksumCommand) cmd);
            } else if (cmd instanceof CreatePrivateTemplateFromVolumeCommand) {
                answer = _mockStorageMgr
                        .CreatePrivateTemplateFromVolume((CreatePrivateTemplateFromVolumeCommand) cmd);
            } else if (cmd instanceof UploadStatusCommand) {
                answer = _mockStorageMgr.getUploadStatus((UploadStatusCommand) cmd);
            } else if (cmd instanceof MaintainCommand) {
                answer = _mockAgentMgr.maintain((MaintainCommand) cmd);
            } else if (cmd instanceof GetVmStatsCommand) {
                answer = _mockVmMgr.getVmStats((GetVmStatsCommand) cmd);
            } else if (cmd instanceof CheckRouterCommand) {
                answer = _mockVmMgr.checkRouter((CheckRouterCommand) cmd);
            } else if (cmd instanceof GetDomRVersionCmd) {
                answer = _mockVmMgr.getDomRVersion((GetDomRVersionCmd) cmd);
            } else if (cmd instanceof CopyVolumeCommand) {
                answer = _mockStorageMgr.CopyVolume((CopyVolumeCommand) cmd);
            } else if (cmd instanceof PlugNicCommand) {
                answer = _mockNetworkMgr.plugNic((PlugNicCommand) cmd);
            } else if (cmd instanceof UnPlugNicCommand) {
                answer = _mockNetworkMgr.unplugNic((UnPlugNicCommand) cmd);
            } else if (cmd instanceof IpAssocVpcCommand) {
                answer = _mockNetworkMgr.ipAssoc((IpAssocVpcCommand) cmd);
            } else if (cmd instanceof SetSourceNatCommand) {
                answer = _mockNetworkMgr.setSourceNat((SetSourceNatCommand) cmd);
            } else if (cmd instanceof SetNetworkACLCommand) {
                answer = _mockNetworkMgr.setNetworkAcl((SetNetworkACLCommand) cmd);
            } else if (cmd instanceof SetupGuestNetworkCommand) {
                answer = _mockNetworkMgr.setUpGuestNetwork((SetupGuestNetworkCommand) cmd);
            } else if (cmd instanceof SetPortForwardingRulesVpcCommand) {
                answer = _mockNetworkMgr.setVpcPortForwards((SetPortForwardingRulesVpcCommand) cmd);
            } else if (cmd instanceof SetStaticNatRulesCommand) {
                answer = _mockNetworkMgr.setVPCStaticNatRules((SetStaticNatRulesCommand) cmd);
            } else if (cmd instanceof SetStaticRouteCommand) {
                answer = _mockNetworkMgr.setStaticRoute((SetStaticRouteCommand) cmd);
            } else if (cmd instanceof Site2SiteVpnCfgCommand) {
                answer = _mockNetworkMgr.siteToSiteVpn((Site2SiteVpnCfgCommand) cmd);
            } else if (cmd instanceof CheckS2SVpnConnectionsCommand) {
                answer = _mockNetworkMgr.checkSiteToSiteVpnConnection((CheckS2SVpnConnectionsCommand) cmd);
            } else if (cmd instanceof CreateVMSnapshotCommand) {
                answer = _mockVmMgr.createVmSnapshot((CreateVMSnapshotCommand) cmd);
            } else if (cmd instanceof DeleteVMSnapshotCommand) {
                answer = _mockVmMgr.deleteVmSnapshot((DeleteVMSnapshotCommand) cmd);
            } else if (cmd instanceof RevertToVMSnapshotCommand) {
                answer = _mockVmMgr.revertVmSnapshot((RevertToVMSnapshotCommand) cmd);
            } else if (cmd instanceof NetworkRulesVmSecondaryIpCommand) {
                answer = _mockVmMgr.plugSecondaryIp((NetworkRulesVmSecondaryIpCommand) cmd);
            } else if (cmd instanceof ScaleVmCommand) {
                answer = _mockVmMgr.scaleVm((ScaleVmCommand) cmd);
            } else if (cmd instanceof PvlanSetupCommand) {
                answer = _mockNetworkMgr.setupPVLAN((PvlanSetupCommand) cmd);
            } else if (cmd instanceof StorageSubSystemCommand) {
                answer = storageHandler.handleStorageCommands((StorageSubSystemCommand) cmd);
            } else if (cmd instanceof FenceCommand) {
                answer = _mockVmMgr.fence((FenceCommand) cmd);
            } else if (cmd instanceof GetRouterAlertsCommand || cmd instanceof VpnUsersCfgCommand
                    || cmd instanceof RemoteAccessVpnCfgCommand || cmd instanceof SetMonitorServiceCommand
                    || cmd instanceof AggregationControlCommand
                    || cmd instanceof SecStorageFirewallCfgCommand) {
                answer = new Answer(cmd);
            } else {
                s_logger.error("Simulator does not implement command of type " + cmd.toString());
                answer = Answer.createUnsupportedCommandAnswer(cmd);
            }
        }

        if (config != null && config.getCount() != null && config.getCount().intValue() > 0) {
            if (answer != null) {
                config.setCount(config.getCount().intValue() - 1);
                _mockConfigDao.update(config.getId(), config);
            }
        }

        return answer;
    } catch (final Exception e) {
        s_logger.error("Failed execute cmd: ", e);
        txn.rollback();
        return new Answer(cmd, false, e.toString());
    } finally {
        txn.close();
        txn = TransactionLegacy.open(TransactionLegacy.CLOUD_DB);
        txn.close();
    }
}

From source file:com.cloud.agent.transport.Request.java

License:Apache License

public Command[] getCommands() {
    if (_cmds == null) {
        try {//  w  w w  . j a  v a2 s.  c om
            StringReader reader = new StringReader(_content);
            JsonReader jsonReader = new JsonReader(reader);
            jsonReader.setLenient(true);
            _cmds = s_gson.fromJson(jsonReader, (Type) Command[].class);
        } catch (RuntimeException e) {
            s_logger.error("Caught problem with " + _content, e);
            throw e;
        }
    }
    return _cmds;
}

From source file:com.cloud.resource.AgentRoutingResource.java

License:Apache License

@Override
public PingCommand getCurrentStatus(long id) {
    TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.SIMULATOR_DB);
    try {//from  w w w . j a v  a 2  s.c  o m
        MockConfigurationVO config = _simMgr.getMockConfigurationDao().findByNameBottomUP(
                agentHost.getDataCenterId(), agentHost.getPodId(), agentHost.getClusterId(), agentHost.getId(),
                "PingCommand");
        if (config != null) {
            Map<String, String> configParameters = config.getParameters();
            for (Map.Entry<String, String> entry : configParameters.entrySet()) {
                if (entry.getKey().equalsIgnoreCase("result")) {
                    String value = entry.getValue();
                    if (value.equalsIgnoreCase("fail")) {
                        return null;
                    }
                }
            }
        }

        config = _simMgr.getMockConfigurationDao().findByNameBottomUP(agentHost.getDataCenterId(),
                agentHost.getPodId(), agentHost.getClusterId(), agentHost.getId(),
                "PingRoutingWithNwGroupsCommand");
        if (config != null) {
            String message = config.getJsonResponse();
            if (message != null) {
                // json response looks like {"<Type>":....}
                String objectType = message.split(":")[0].substring(2).replace("\"", "");
                String objectData = message.substring(message.indexOf(':') + 1, message.length() - 1);
                if (objectType != null) {
                    Class<?> clz = null;
                    try {
                        clz = Class.forName(objectType);
                    } catch (ClassNotFoundException e) {
                        s_logger.info("[ignored] ping returned class", e);
                    }
                    if (clz != null) {
                        StringReader reader = new StringReader(objectData);
                        JsonReader jsonReader = new JsonReader(reader);
                        jsonReader.setLenient(true);
                        return (PingCommand) s_gson.fromJson(jsonReader, clz);
                    }
                }
            }
        }
    } catch (Exception e) {
        txn.rollback();
    } finally {
        txn.close();
        txn = TransactionLegacy.open(TransactionLegacy.CLOUD_DB);
        txn.close();
    }

    if (isStopped()) {
        return null;
    }
    HashMap<String, Pair<Long, Long>> nwGrpStates = _simMgr.syncNetworkGroups(hostGuid);
    return new PingRoutingWithNwGroupsCommand(getType(), id, getHostVmStateReport(), nwGrpStates);
}