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Convenient utility to build XML models by evaluating XPath expressions

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/*
 * Copyright 2018-2021 Alex Simkin
 *
 * 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.github.simy4.xpath.json.spi;

import com.github.simy4.xpath.XmlBuilderException;
import com.github.simy4.xpath.json.navigator.JakartaJsonNavigator;
import com.github.simy4.xpath.json.navigator.node.JakartaJsonNode;
import com.github.simy4.xpath.json.navigator.node.JakartaJsonRootNode;
import com.github.simy4.xpath.navigator.Navigator;
import com.github.simy4.xpath.spi.Effect;
import com.github.simy4.xpath.spi.NavigatorSpi;
import jakarta.json.JsonValue;
import jakarta.json.spi.JsonProvider;

/** Javax JSON model navigator extension SPI. */
public class JakartaJsonNavigatorSpi implements NavigatorSpi {

  private final JsonProvider jsonProvider = JsonProvider.provider();

  @Override
  public boolean canHandle(Object o) {
    return o instanceof JsonValue;
  }

  @Override
  @SuppressWarnings("unchecked")
  public  T process(T json, Iterable effects) throws XmlBuilderException {
    if (!canHandle(json)) {
      throw new IllegalArgumentException("JSON model is not supported");
    }
    final JakartaJsonNode root = new JakartaJsonRootNode((JsonValue) json);
    final Navigator navigator = new JakartaJsonNavigator(jsonProvider, root);
    for (Effect effect : effects) {
      effect.perform(navigator, root);
    }
    return (T) root.get();
  }
}