com.balajeetm.mystique.core.ConditionMystTurn.java Source code

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Here is the source code for com.balajeetm.mystique.core.ConditionMystTurn.java

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/*
 * Copyright (c) Balajee TM 2016.
 * All rights reserved.
 * License -  @see <a href="http://www.apache.org/licenses/LICENSE-2.0"></a>
 */

/*
 * Created on 25 Aug, 2016 by balajeetm
 * http://www.balajeetm.com
 */
package com.balajeetm.mystique.core;

import java.util.List;

import com.balajeetm.mystique.core.util.MystiqueConstants;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;

/**
 * The Class ConditionMystTurn.
 *
 * @author balajeetm
 */
public class ConditionMystTurn extends AbstractMystTurn {

    /* (non-Javadoc)
     * @see com.futuresight.util.mystique.AbstractMystique#transmute(java.util.List, com.google.gson.JsonObject, com.google.gson.JsonObject)
     */
    @Override
    protected JsonElement transmute(List<JsonElement> source, JsonObject deps, JsonObject aces, JsonObject turn) {
        JsonElement transform = null;
        JsonElement elementSource = mystiqueLever.getFirst(source);
        turn = mystiqueLever.asJsonObject(turn, new JsonObject());
        JsonElement granularSource = getGranularSource(elementSource, turn, deps, aces);
        JsonElement value = turn.get(MystiqueConstants.VALUE);
        Boolean equals = isEquals(granularSource, value);
        JsonObject defaultJson = mystiqueLever.asJsonObject(turn.get(String.valueOf(equals)));
        transform = mystiqueLever.isNull(defaultJson) ? new JsonPrimitive(equals)
                : transformToDefault(defaultJson, source, deps, aces);
        return transform;
    }

    /**
     * Checks if is equals.
     *
     * @param source the source
     * @param expected the expected
     * @return the boolean
     */
    private Boolean isEquals(JsonElement source, JsonElement expected) {
        Boolean isEqual = Boolean.FALSE;
        // This is to check the existence case. The condition is to check the
        // existence of the element
        if (null == expected) {
            if (mystiqueLever.isNotNull(source)) {
                isEqual = Boolean.TRUE;
            }
        } else {
            if (mystiqueLever.isNull(source) && expected.isJsonNull()) {
                isEqual = Boolean.TRUE;
            }
            isEqual = expected.equals(source);
        }
        return isEqual;
    }
}