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Eclipse Ditto is a framework for creating and managing digital twins in the IoT.

There is a newer version: 3.6.0

/*
 * 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.util.LinkedHashMap;
import java.util.Map;
import java.util.stream.Collectors;

import org.eclipse.ditto.base.model.json.Jsonifiable;
import org.eclipse.ditto.json.JsonObject;

/**
 * URI variables contain dynamic variables used in {@code href} element of {@link FormElement}s.
 *
 * @see WoT TD Form uriVariables
 * @since 2.4.0
 */
public interface UriVariables extends Map, Jsonifiable {

    static UriVariables fromJson(final JsonObject jsonObject) {
        return of(jsonObject.stream().collect(Collectors.toMap(
                field -> field.getKey().toString(),
                field -> SingleDataSchema.fromJson(field.getValue().asObject()),
                (u, v) -> {
                    throw new IllegalStateException(String.format("Duplicate key %s", u));
                },
                LinkedHashMap::new)
        ));
    }

    static UriVariables of(final Map uriVariables) {
        return new ImmutableUriVariables(uriVariables);
    }
}