// Path: rsql-api-parent/rsql-api-core/src/main/java/com/github/vineey/rql/core/util/StringUtils.java
// public class StringUtils {
//     public static boolean isEmpty(String time) {
//       return time == null || time.isEmpty();
//     }
// 
//     public static boolean isNotEmpty(String time) {
//         return !isEmpty(time);
//     }
// }


import com.github.vineey.rql.core.util.StringUtils;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import cz.jirutka.rsql.parser.ast.ComparisonOperator;
import cz.jirutka.rsql.parser.ast.RSQLOperators;
/*
* MIT License
*
* Copyright (c) 2016 John Michael Vincent S. Rustia
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
 package com.github.vineey.rql.querydsl.filter.util;


/**
 * @author vrustia on 9/26/2015.
 */
public final class RSQLUtil {
    private final static ImmutableList<ComparisonOperator> singleArgOps = ImmutableList.<ComparisonOperator>builder()
            .add(RSQLOperators.EQUAL,
// Path: rsql-api-parent/rsql-api-core/src/main/java/com/github/vineey/rql/core/util/StringUtils.java
// public class StringUtils {
//     public static boolean isEmpty(String time) {
//       return time == null || time.isEmpty();
//     }
// 
//     public static boolean isNotEmpty(String time) {
//         return !isEmpty(time);
//     }
// }


// Path: rsql-querydsl-parent/rsql-querydsl-filter/src/main/java/com/github/vineey/rql/querydsl/filter/util/RSQLUtil.java
import com.github.vineey.rql.core.util.StringUtils;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import cz.jirutka.rsql.parser.ast.ComparisonOperator;
import cz.jirutka.rsql.parser.ast.RSQLOperators;

/*
* MIT License
*
* Copyright (c) 2016 John Michael Vincent S. Rustia
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
 package com.github.vineey.rql.querydsl.filter.util;


/**
 * @author vrustia on 9/26/2015.
 */
public final class RSQLUtil {
    private final static ImmutableList<ComparisonOperator> singleArgOps = ImmutableList.<ComparisonOperator>builder()
            .add(RSQLOperators.EQUAL,
                    RSQLOperators.NOT_EQUAL,