RenderContext.java

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 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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,
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package org.apache.sling.scripting.sightly.render;

import javax.script.Bindings;

import org.apache.sling.scripting.sightly.extension.RuntimeExtension;

import org.osgi.annotation.versioning.ProviderType;

/**
 * The {@code RenderContext} defines the context for executing HTL scripts.
 */
@ProviderType
public interface RenderContext {

    /**
     * Provides the {@link RuntimeObjectModel} that will be used for resolving objects' properties or type conversion / coercion.
     *
     * @return the RuntimeObjectModel
     */
    RuntimeObjectModel getObjectModel();

    /**
     * Returns the map of script bindings available to HTL scripts.
     *
     * @return the global bindings for a script
     */
    Bindings getBindings();

    /**
     * Call one of the registered {@link RuntimeExtension}s.
     *
     * @param functionName the name under which the extension is registered
     * @param arguments    the extension's arguments
     * @return the {@link RuntimeExtension}'s result
     */
    Object call(String functionName, Object... arguments);
}