diff --git a/common/util/src/main/java/org/thingsboard/common/util/ExceptionUtil.java b/common/util/src/main/java/org/thingsboard/common/util/ExceptionUtil.java new file mode 100644 index 0000000000..fb08e21791 --- /dev/null +++ b/common/util/src/main/java/org/thingsboard/common/util/ExceptionUtil.java @@ -0,0 +1,67 @@ +/** + * Copyright © 2016-2023 The Thingsboard Authors + * + * Licensed 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.thingsboard.common.util; + +import com.google.gson.JsonParseException; +import lombok.extern.slf4j.Slf4j; +import org.thingsboard.server.common.data.StringUtils; +import org.thingsboard.server.common.data.id.EntityId; + +import javax.script.ScriptException; +import java.io.PrintWriter; +import java.io.StringWriter; + +@Slf4j +public class ExceptionUtil { + + @SuppressWarnings("unchecked") + public static T lookupException(Throwable source, Class clazz) { + Exception e = lookupExceptionInCause(source, clazz); + if (e != null) { + return (T) e; + } else { + return null; + } + } + + public static Exception lookupExceptionInCause(Throwable source, Class... clazzes) { + if (source == null) { + return null; + } + for (Class clazz : clazzes) { + if (clazz.isAssignableFrom(source.getClass())) { + return (Exception) source; + } + } + return lookupExceptionInCause(source.getCause(), clazzes); + } + + public static String toString(Exception e, EntityId componentId, boolean stackTraceEnabled) { + Exception exception = lookupExceptionInCause(e, ScriptException.class, JsonParseException.class); + if (exception != null && StringUtils.isNotEmpty(exception.getMessage())) { + return exception.getMessage(); + } else { + if (stackTraceEnabled) { + StringWriter sw = new StringWriter(); + e.printStackTrace(new PrintWriter(sw)); + return sw.toString(); + } else { + log.debug("[{}] Unknown error during message processing", componentId, e); + return "Please contact system administrator"; + } + } + } +}