com.pros.jsontransform.constraint.ConstraintRequired.java Source code

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Here is the source code for com.pros.jsontransform.constraint.ConstraintRequired.java

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/*
 * Copyright (c) 2016 PROS, Inc.
 *
 * 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 com.pros.jsontransform.constraint;

import com.fasterxml.jackson.databind.JsonNode;
import com.pros.jsontransform.ObjectTransformer;
import com.pros.jsontransform.ObjectTransformerException;

public class ConstraintRequired {
    public static void validate(final JsonNode constraintNode, final JsonNode resultNode,
            final ObjectTransformer transformer) throws ObjectTransformerException {
        boolean required = constraintNode.get(Constraint.$REQUIRED.toString()).asBoolean();
        if (required == true && resultNode.isMissingNode()) {
            throw new ObjectTransformerException("Constraint violation [" + Constraint.$REQUIRED.toString() + "]"
                    + " on transform node " + transformer.getTransformNodeFieldName());
        }
    }
}