src/main/java/org/apache/sling/scripting/sightly/impl/engine/SightlyBindingsValuesProvider.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, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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package org.apache.sling.scripting.sightly.impl.engine;

import javax.script.Bindings;

import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.scripting.api.BindingsValuesProvider;
import org.apache.sling.scripting.sightly.impl.utils.BindingsUtils;
import org.osgi.service.component.annotations.Component;

/**
 * HTL specific {@code BindingsValuesProvider}.
 */
@Component(
        property = {
                "javax.script.name=sightly"
        }
)
public class SightlyBindingsValuesProvider implements BindingsValuesProvider {

    public static final String PROPERTIES = "properties";

    @Override
    public void addBindings(Bindings bindings) {
        if (!bindings.containsKey(PROPERTIES)) {
            Resource currentResource = BindingsUtils.getResource(bindings);
            if (currentResource != null) {
                bindings.put(PROPERTIES, currentResource.adaptTo(ValueMap.class));
            }
        }
    }
}