src/main/java/org/apache/sling/scripting/freemarker/internal/FreemarkerBindingsValuesProvider.java

/*
 * 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 under the License.
 */
package org.apache.sling.scripting.freemarker.internal;

import javax.script.Bindings;

import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.scripting.SlingBindings;
import org.apache.sling.scripting.api.BindingsValuesProvider;
import org.osgi.service.component.annotations.Component;

@Component(
    property = {
        "javax.script.name=freemarker"
    }
)
public class FreemarkerBindingsValuesProvider implements BindingsValuesProvider {

    private static final String PROPERTIES = "properties";

    @Override
    public void addBindings(final Bindings bindings) {
        if (!bindings.containsKey(PROPERTIES)) {
            final Resource resource = (Resource) bindings.get(SlingBindings.RESOURCE);
            if (resource != null) {
                bindings.put(PROPERTIES, resource.getValueMap());
            }
        }
    }

}