| /* |
| * 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.eagle.alert.engine.siddhi.extension; |
| |
| import org.wso2.siddhi.core.config.ExecutionPlanContext; |
| import org.wso2.siddhi.core.exception.ExecutionPlanRuntimeException; |
| import org.wso2.siddhi.core.executor.ExpressionExecutor; |
| import org.wso2.siddhi.core.executor.function.FunctionExecutor; |
| import org.wso2.siddhi.query.api.definition.Attribute; |
| import org.wso2.siddhi.query.api.exception.ExecutionPlanValidationException; |
| |
| public class ContainsIgnoreCaseExtension extends FunctionExecutor { |
| |
| Attribute.Type returnType = Attribute.Type.BOOL; |
| |
| @Override |
| protected void init(ExpressionExecutor[] attributeExpressionExecutors, ExecutionPlanContext executionPlanContext) { |
| if (attributeExpressionExecutors.length != 2) { |
| throw new ExecutionPlanValidationException("Invalid no of arguments passed to str:containsIgnoreCase() function, required 2, " |
| + "but found " + attributeExpressionExecutors.length); |
| } |
| if (attributeExpressionExecutors[0].getReturnType() != Attribute.Type.STRING) { |
| throw new ExecutionPlanValidationException("Invalid parameter type found for the first argument of str:containsIgnoreCase() function, " |
| + "required " + Attribute.Type.STRING + ", but found " + attributeExpressionExecutors[0].getReturnType().toString()); |
| } |
| if (attributeExpressionExecutors[1].getReturnType() != Attribute.Type.STRING) { |
| throw new ExecutionPlanValidationException("Invalid parameter type found for the second argument of str:containsIgnoreCase() function, " |
| + "required " + Attribute.Type.STRING + ", but found " + attributeExpressionExecutors[1].getReturnType().toString()); |
| } |
| } |
| |
| @Override |
| protected Object execute(Object[] data) { |
| if (data[0] == null) { |
| throw new ExecutionPlanRuntimeException("Invalid input given to str:containsIgnoreCase() function. First argument cannot be null"); |
| } |
| if (data[1] == null) { |
| throw new ExecutionPlanRuntimeException("Invalid input given to str:containsIgnoreCase() function. Second argument cannot be null"); |
| } |
| String str1 = (String) data[0]; |
| String str2 = (String) data[1]; |
| return str1.toUpperCase().contains(str2.toUpperCase()); |
| } |
| |
| @Override |
| protected Object execute(Object data) { |
| return null; //Since the containsIgnoreCase function takes in 2 parameters, this method does not get called. Hence, not implemented. |
| } |
| |
| @Override |
| public void start() { |
| //Nothing to start |
| } |
| |
| @Override |
| public void stop() { |
| //Nothing to stop |
| } |
| |
| @Override |
| public Attribute.Type getReturnType() { |
| return returnType; |
| } |
| |
| @Override |
| public Object[] currentState() { |
| return new Object[] {}; |
| } |
| |
| @Override |
| public void restoreState(Object[] state) { |
| } |
| } |