step.automation.packages.yaml.deserialization.YamlKeywordDeserializer Maven / Gradle / Ivy

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 * Copyright (C) 2020, exense GmbH
 *
 * This file is part of STEP
 *
 * STEP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * STEP is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with STEP.  If not, see .
 ******************************************************************************/
package step.automation.packages.yaml.deserialization;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import step.automation.packages.model.AbstractYamlFunction;
import step.automation.packages.model.YamlAutomationPackageKeyword;
import step.automation.packages.yaml.AutomationPackageKeywordsLookuper;
import step.core.yaml.deserializers.NamedEntityYamlDeserializer;
import step.core.yaml.deserializers.StepYamlDeserializer;
import step.core.yaml.deserializers.StepYamlDeserializerAddOn;

import java.io.IOException;

@StepYamlDeserializerAddOn(targetClasses = {YamlAutomationPackageKeyword.class})
public class YamlKeywordDeserializer extends StepYamlDeserializer {

    private final AutomationPackageKeywordsLookuper keywordsLookuper;

    public YamlKeywordDeserializer() {
        this(null);
    }

    public YamlKeywordDeserializer(ObjectMapper yamlObjectMapper) {
        super(yamlObjectMapper);
        this.keywordsLookuper = new AutomationPackageKeywordsLookuper();
    }

    @Override
    public YamlAutomationPackageKeyword deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
        JsonNode node = jsonParser.getCodec().readTree(jsonParser);
        NamedEntityYamlDeserializer> nameEntityDeserializer = new NamedEntityYamlDeserializer<>() {
            @Override
            protected String resolveTargetClassNameByYamlName(String yamlName) {
                return null;
            }

            protected Class resolveTargetClassByYamlName(String yamlName) {
                try {
                    String className = keywordsLookuper.yamlKeywordClassToJava(yamlName);
                    if (className == null) {
                        throw new RuntimeException("Unable to resolve keyword class for '" + yamlName + "'");
                    }
                    return Class.forName(className);
                } catch (ClassNotFoundException e) {
                    throw new RuntimeException("Unable to resolve keyword class for '" + yamlName + "'");
                }
            }
        };
        return new YamlAutomationPackageKeyword(nameEntityDeserializer.deserialize(node, jsonParser.getCodec()));
    }

}