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• 3.6.1
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• AbstractThingSkeleton.java

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org.eclipse.ditto.wot.model.AbstractThingSkeleton Maven / Gradle / Ivy

/*
 * Copyright (c) 2022 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 */
package org.eclipse.ditto.wot.model;

import java.time.Instant;
import java.util.Optional;

import javax.annotation.Nullable;

import org.eclipse.ditto.json.JsonObject;

/**
 * Abstract implementation of {@link ThingSkeleton}.
 */
abstract class AbstractThingSkeleton>
        extends AbstractTypedJsonObject
        implements ThingSkeleton {

    protected AbstractThingSkeleton(final JsonObject wrappedObject) {
        super(wrappedObject);
    }

    @Override
    public AtContext getAtContext() {
        return TdHelpers.getValueIgnoringWrongType(wrappedObject, JsonFields.AT_CONTEXT_MULTIPLE)
                .map(MultipleAtContext::fromJson)
                .map(AtContext.class::cast)
                .orElseGet(() -> SingleUriAtContext.of(getValueOrThrow(JsonFields.AT_CONTEXT)));
    }

    @Override
    public Optional getAtType() {
        return Optional.ofNullable(
                TdHelpers.getValueIgnoringWrongType(wrappedObject, JsonFields.AT_TYPE_MULTIPLE)
                        .map(MultipleAtType::fromJson)
                        .map(AtType.class::cast)
                        .orElseGet(() -> getValue(JsonFields.AT_TYPE).map(SingleAtType::of).orElse(null))
        );
    }

    @Override
    public Optional getId() {
        return getValue(JsonFields.ID)
                .map(IRI::of);
    }

    @Override
    public Optional