br.com.binarti.simplesearchexpr.DefaultOperatorResolver.java Source code

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Here is the source code for br.com.binarti.simplesearchexpr.DefaultOperatorResolver.java

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/***
 * Copyright (c) 2014 Binar tecnologia da informao - www.binarti.com.br All rights reserved.
 * 
 * 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 br.com.binarti.simplesearchexpr;

import static br.com.binarti.simplesearchexpr.SimpleSearchRelationalOperator.EQUALS;
import static br.com.binarti.simplesearchexpr.SimpleSearchRelationalOperator.INTERVAL;
import static br.com.binarti.simplesearchexpr.SimpleSearchRelationalOperator.LIKE;
import static br.com.binarti.simplesearchexpr.SimpleSearchRelationalOperator.LIST;

import java.util.Date;

import org.apache.commons.lang3.ClassUtils;

public class DefaultOperatorResolver implements OperatorResolver {

    protected boolean isIntervalOperator(String value, Class<?> type) {
        if (value != null && (Number.class.isAssignableFrom(type) || Date.class.isAssignableFrom(type))) {
            if (value.contains(INTERVAL_SEPARATOR)) {
                return true;
            }
        }
        return false;
    }

    protected boolean isListOperator(String value, Class<?> fieldType) {
        if (value != null && value.contains(LIST_SEPARATOR)) {
            return true;
        }
        return false;
    }

    @Override
    public SimpleSearchRelationalOperator resolveOperator(Class<?> fieldType, String value,
            SimpleSearchExpressionField field) {
        if (String.class.isAssignableFrom(fieldType)) {
            return (field.getDefaultOperator() == null) ? LIKE : field.getDefaultOperator();
        }
        if (fieldType.isPrimitive()) {
            fieldType = ClassUtils.primitiveToWrapper(fieldType);
        }
        SimpleSearchRelationalOperator operator = (field.getDefaultOperator() == null) ? EQUALS
                : field.getDefaultOperator();
        if (value != null) {
            if (Number.class.isAssignableFrom(fieldType) || Date.class.isAssignableFrom(fieldType)) {
                if (value.contains(INTERVAL_SEPARATOR)) {
                    operator = INTERVAL;
                }
            }
            if (value.contains(LIST_SEPARATOR)) {
                operator = LIST;
            }
        }
        return operator;
    }

}