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package javax.json.bind;

import javax.json.bind.spi.JsonbProvider;
import javax.json.spi.JsonProvider;

/**
 * JsonbBuilder class provides the client's entry point to the JSON Binding
 * API. It builds {@link javax.json.bind.Jsonb Jsonb} instances based on all
 * parameters and configuration provided before calling {@code build()} method.
 *
 * For most use-cases, only one instance of JsonbBuilder is required within the
 * application.
 *
 * @see Jsonb
 * @see java.util.ServiceLoader
 * @since JSON Binding 1.0
 */
public interface JsonbBuilder {

    /**
     * Set configuration which will be set to the newly created
     * {@link javax.json.bind.Jsonb Jsonb} instance.
     *
     * @param config
     *      Configuration for {@link javax.json.bind.Jsonb Jsonb} instance.
     *
     * @return This {@code JsonbBuilder} instance.
     */
    JsonbBuilder withConfig(JsonbConfig config);

    /**
     * Provides a JSON-P provider
     * to be used for all JSON-P related operations.
     *
     * @param jsonpProvider
     *      {@link javax.json.spi.JsonProvider JsonProvider} instance
     *      to be used by Jsonb to lookup JSON-P implementation.
     *
     * @return This {@code JsonbBuilder} instance.
     */
    JsonbBuilder withProvider(JsonProvider jsonpProvider);

    /**
     * Returns a new instance of {@link javax.json.bind.Jsonb Jsonb} based on the
     * parameters and configuration specified previously in this builder.
     *
     * @return Jsonb A new instance of {@link javax.json.bind.Jsonb Jsonb} class.
     * Always a non-null valid object.
     *
     * @throws javax.json.bind.JsonbException If an error was encountered while
     * creating the Jsonb instance, such as (but not limited to) no JSON
     * Binding provider found, or classes provide conflicting annotations.
     *
     * @throws IllegalArgumentException If there's an error processing the set
     * parameters, such as the non-null parameter is assigned null value, or
     * unrecognized property is set in
     * {@link javax.json.bind.JsonbConfig JsonbConfig}.
     */
    Jsonb build();

    /**
     * Create a new {@link javax.json.bind.Jsonb} instance using the default
     * {@code JsonbBuilder} implementation provided as returned from
     * {@link javax.json.bind.spi.JsonbProvider#provider()} method.
     *
     * @return new {@link javax.json.bind.Jsonb Jsonb} instance.
     */
    static Jsonb create() {
        return JsonbProvider.provider().create().build();
    }

    /**
     * Create a new {@link javax.json.bind.Jsonb} instance using the default
     * {@code JsonbBuilder} implementation provided as returned from
     * {@link javax.json.bind.spi.JsonbProvider#provider()} method, configured
     * with provided configuration.
     *
     * @param config
     *      Provided configuration for {@link javax.json.bind.Jsonb} instance.
     *
     * @return new {@link javax.json.bind.Jsonb Jsonb} instance.
     */
    static Jsonb create(JsonbConfig config) {
        return JsonbProvider.provider().create().withConfig(config).build();
    }

    /**
     * Create a new {@code JsonbBuilder} instance as returned by the default
     * {@link javax.json.bind.spi.JsonbProvider#provider()} method.
     *
     * @return new {@code JsonbBuilder} instance.
     */
    static JsonbBuilder newBuilder() {
        return JsonbProvider.provider().create();
    }

    /**
     * Create a new {@code JsonbBuilder} instance as returned by
     * {@link javax.json.bind.spi.JsonbProvider#provider(String)}
     * method.
     *
     * @param providerName
     *      Provider class name to be looked up by {@link java.util.ServiceLoader ServiceLoader}.
     *
     * @return new {@code JsonbBuilder} instance.
     */
    static JsonbBuilder newBuilder(final String providerName) {
        return JsonbProvider.provider(providerName).create();
    }

    /**
     * Create a new {@code JsonbBuilder} instance as returned by
     * {@code provider#create} call.
     *
     * @param provider
     *      {@link javax.json.spi.JsonProvider JsonProvider} instance
     *      used for creating {@code JsonBuilder instances}.
     *
     * @return new {@code JsonbBuilder} instance.
     */
    static JsonbBuilder newBuilder(final JsonbProvider provider) {
        return provider.create();
    }

}