org.opensingular.requirement.module.jackson.IconJsonDeserializer Maven / Gradle / Ivy

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/*
 * Copyright (C) 2016 Singular Studios (a.k.a Atom Tecnologia) - www.opensingular.com
 *
 * 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 org.opensingular.requirement.module.jackson;

import java.io.IOException;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.TreeNode;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.node.TextNode;
import org.opensingular.lib.commons.ui.Icon;

public class IconJsonDeserializer extends JsonDeserializer {

    @Override
    public Icon deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
        TreeNode jsonNode = p.getCodec().readTree(p);
        String   cssClass = ((TextNode) jsonNode.get("cssClass")).asText();
        return () -> cssClass;
    }

}