/*
 * 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.pipes.internal;

import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.pipes.Pipe;

import java.util.Iterator;
import java.util.concurrent.Callable;

public class BindingProvider implements Callable<ValueMap> {

    public BindingProvider(Pipe pipe) {
        this.pipe = pipe;
    }

    Pipe pipe;

    @Override
    public ValueMap call() {
        Iterator<Resource> output = pipe.getOutput();
        if (output != null && output.hasNext()) {
            return output.next().adaptTo(ValueMap.class);
        }
        return null;
    }

    public Pipe getPipe() {
        return pipe;
    }
}