org.apache.camel.jsonpath.easypredicate.EasyPredicateOperators Maven / Gradle / Ivy
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* 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);
}
}