content: /*
   * 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.camel.jsonpath.easypredicate;
  
  import java.util.Arrays;
  import java.util.Objects;
  
  /**
   * Json path operators
   */
  public final class EasyPredicateOperators {
  
      private static final String EQ = "==";
      private static final String NE = "!=";
      private static final String LT = "<";
      private static final String LE = "<=";
      private static final String GT = ">";
      private static final String GE = ">=";
      private static final String REG = "=~";
      private static final String IN = "in";
      private static final String NIN = "nin";
      private static final String SIZE = "size";
      private static final String EMPTY = "empty";
  
      private static final String[] OPS = new String[] { EQ, NE, LT, LE, GT, GE, REG, IN, NIN, SIZE, EMPTY };
  
      private EasyPredicateOperators() {
      }
  
      /**
       * Does the expression have any operator (with single space around)?
       */
      static boolean hasOperator(String exp) {
          // need to have space around operator to not match eg in used in some other word
          return Arrays.stream(OPS).anyMatch(o -> exp.contains(" " + o));
      }
  
      /**
       * Is this an operator (with no space around)
       */
      static boolean isOperator(String exp) {
          return Arrays.stream(OPS).anyMatch(s -> Objects.equals(s, exp));
      }
  
      /**
       * Gets the operator (with single space around)
       */
      static String getOperatorAtStart(String exp) {
          return Arrays.stream(OPS).filter(o -> exp.startsWith(" " + o)).findFirst().orElse(null);
      }
  
  }
  