/*
 * 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.resource.filter.impl;

import org.apache.sling.api.adapter.AdapterFactory;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.resource.filter.ResourcePredicates;
import org.apache.sling.resource.filter.ResourceFilterStream;
import org.osgi.service.component.annotations.Component;


@Component(property= {"adaptables=org.apache.sling.api.resource.Resource","adapters=org.apache.sling.resource.filter.ResourceFilterStream"})
public class ResourceFilterAdapter implements AdapterFactory {

    @SuppressWarnings("unchecked")
    @Override
    public <T> T getAdapter(Object adaptable, Class<T> type) {
        if (adaptable instanceof Resource) {
            ResourcePredicates filter = new ResourcePredicateImpl();
            if (type == ResourceFilterStream.class) {
                return (T) new ResourceFilterStream((Resource)adaptable, filter);
            }
            if (type == ResourcePredicates.class) {
                return (T) filter;
            }
        }
        return null;
    }

}