| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.metron.common.error; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.apache.metron.common.Constants.ERROR_TYPE; |
| import static org.apache.metron.common.Constants.ErrorFields; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.UUID; |
| import org.apache.commons.lang.exception.ExceptionUtils; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.metron.common.Constants; |
| import org.apache.metron.common.Constants.ErrorType; |
| import org.apache.metron.common.utils.HashUtils; |
| import org.json.simple.JSONArray; |
| import org.json.simple.JSONObject; |
| |
| public class MetronError { |
| |
| private String message; |
| private Throwable throwable; |
| private Set<String> sensorTypes = Collections.singleton(ERROR_TYPE); |
| private ErrorType errorType = ErrorType.DEFAULT_ERROR; |
| private Set<String> errorFields; |
| private List<Object> rawMessages; |
| |
| public MetronError withMessage(String message) { |
| this.message = message; |
| return this; |
| } |
| |
| public MetronError withThrowable(Throwable throwable) { |
| this.throwable = throwable; |
| return this; |
| } |
| |
| public MetronError withSensorType(Set<String> sensorTypes) { |
| this.sensorTypes = sensorTypes; |
| return this; |
| } |
| |
| public MetronError withErrorType(ErrorType errorType) { |
| this.errorType = errorType; |
| return this; |
| } |
| |
| public MetronError withErrorFields(Set<String> errorFields) { |
| this.errorFields = errorFields; |
| return this; |
| } |
| |
| |
| public MetronError addRawMessage(Object rawMessage) { |
| if (rawMessage != null) { |
| if (this.rawMessages == null) { |
| this.rawMessages = new ArrayList<>(); |
| } |
| this.rawMessages.add(rawMessage); |
| } |
| return this; |
| } |
| |
| public MetronError withRawMessages(List<Object> rawMessages) { |
| this.rawMessages = rawMessages; |
| return this; |
| } |
| |
| public Optional<Throwable> getThrowable() { |
| return throwable != null ? Optional.of(throwable) : Optional.empty(); |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| public JSONObject getJSONObject() { |
| JSONObject errorMessage = new JSONObject(); |
| errorMessage.put(Constants.GUID, UUID.randomUUID().toString()); |
| errorMessage.put(Constants.SENSOR_TYPE, "error"); |
| if (sensorTypes.size() == 1) { |
| errorMessage.put(ErrorFields.FAILED_SENSOR_TYPE.getName(), sensorTypes.iterator().next()); |
| } else { |
| errorMessage |
| .put(ErrorFields.FAILED_SENSOR_TYPE.getName(), new JSONArray().addAll(sensorTypes)); |
| } |
| errorMessage.put(ErrorFields.ERROR_TYPE.getName(), errorType.getType()); |
| |
| addMessageString(errorMessage); |
| addStacktrace(errorMessage); |
| addTimestamp(errorMessage); |
| addHostname(errorMessage); |
| addRawMessages(errorMessage); |
| addErrorHash(errorMessage); |
| |
| return errorMessage; |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| private void addMessageString(JSONObject errorMessage) { |
| if (message != null) { |
| errorMessage.put(ErrorFields.MESSAGE.getName(), message); |
| } else if (throwable != null) { |
| errorMessage.put(ErrorFields.MESSAGE.getName(), throwable.getMessage()); |
| } |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| private void addStacktrace(JSONObject errorMessage) { |
| if (throwable != null) { |
| String stackTrace = ExceptionUtils.getStackTrace(throwable); |
| String exception = throwable.toString(); |
| errorMessage.put(ErrorFields.EXCEPTION.getName(), exception); |
| errorMessage.put(ErrorFields.STACK.getName(), stackTrace); |
| } |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| private void addTimestamp(JSONObject errorMessage) { |
| errorMessage.put(ErrorFields.TIMESTAMP.getName(), System.currentTimeMillis()); |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| private void addHostname(JSONObject errorMessage) { |
| try { |
| errorMessage.put(ErrorFields.HOSTNAME.getName(), InetAddress.getLocalHost().getHostName()); |
| } catch (UnknownHostException ex) { |
| // Leave the hostname field off if it cannot be found |
| } |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| private void addRawMessages(JSONObject errorMessage) { |
| if(rawMessages != null) { |
| for(int i = 0; i < rawMessages.size(); i++) { |
| Object rawMessage = rawMessages.get(i); |
| // If multiple messages are included add an index to the field name, otherwise leave it off |
| String rawMessageField = rawMessages.size() == 1 ? ErrorFields.RAW_MESSAGE.getName() : ErrorFields.RAW_MESSAGE.getName() + "_" + i; |
| // It's unclear if we need a rawMessageBytes field so commenting out for now |
| //String rawMessageBytesField = rawMessages.size() == 1 ? ErrorFields.RAW_MESSAGE_BYTES.getName() : ErrorFields.RAW_MESSAGE_BYTES.getName() + "_" + i; |
| if(rawMessage instanceof byte[]) { |
| errorMessage.put(rawMessageField, Bytes.toString((byte[])rawMessage)); |
| //errorMessage.put(rawMessageBytesField, com.google.common.primitives.Bytes.asList((byte[])rawMessage)); |
| } else if (rawMessage instanceof JSONObject) { |
| JSONObject rawMessageJSON = (JSONObject) rawMessage; |
| String rawMessageJSONString = rawMessageJSON.toJSONString(); |
| errorMessage.put(rawMessageField, rawMessageJSONString); |
| //errorMessage.put(rawMessageBytesField, com.google.common.primitives.Bytes.asList(rawMessageJSONString.getBytes(UTF_8))); |
| } else { |
| errorMessage.put(rawMessageField, rawMessage.toString()); |
| //errorMessage.put(rawMessageBytesField, com.google.common.primitives.Bytes.asList(rawMessage.toString().getBytes(UTF_8))); |
| } |
| } |
| } |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| private void addErrorHash(JSONObject errorMessage) { |
| if (rawMessages != null && rawMessages.size() == 1) { |
| Object rawMessage = rawMessages.get(0); |
| if (rawMessage instanceof JSONObject) { |
| JSONObject rawJSON = (JSONObject) rawMessage; |
| if (errorFields != null) { |
| errorMessage.put(ErrorFields.ERROR_FIELDS.getName(), String.join(",", errorFields)); |
| errorMessage.put(ErrorFields.ERROR_HASH.getName(), HashUtils.getMessageHash(rawJSON, errorFields)); |
| } else { |
| errorMessage.put(ErrorFields.ERROR_HASH.getName(), HashUtils.getMessageHash(rawJSON)); |
| } |
| } else if (rawMessage instanceof byte[]) { |
| errorMessage.put(ErrorFields.ERROR_HASH.getName(), HashUtils.getMessageHash((byte[])rawMessage)); |
| } else { |
| errorMessage.put(ErrorFields.ERROR_HASH.getName(), HashUtils.getMessageHash(rawMessage.toString().getBytes(UTF_8))); |
| } |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| MetronError that = (MetronError) o; |
| |
| if (message != null ? !message.equals(that.message) : that.message != null) { |
| return false; |
| } |
| if (getThrowable() != null ? !getThrowable().equals(that.getThrowable()) |
| : that.getThrowable() != null) { |
| return false; |
| } |
| if (sensorTypes != null ? !sensorTypes.equals(that.sensorTypes) : that.sensorTypes != null) { |
| return false; |
| } |
| if (errorType != that.errorType) { |
| return false; |
| } |
| if (errorFields != null ? !errorFields.equals(that.errorFields) : that.errorFields != null) { |
| return false; |
| } |
| return rawMessages != null ? rawMessages.equals(that.rawMessages) : that.rawMessages == null; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = message != null ? message.hashCode() : 0; |
| result = 31 * result + (getThrowable() != null ? getThrowable().hashCode() : 0); |
| result = 31 * result + (sensorTypes != null ? sensorTypes.hashCode() : 0); |
| result = 31 * result + (errorType != null ? errorType.hashCode() : 0); |
| result = 31 * result + (errorFields != null ? errorFields.hashCode() : 0); |
| result = 31 * result + (rawMessages != null ? rawMessages.hashCode() : 0); |
| return result; |
| } |
| } |