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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
 * under the License.
 */

package freemarker.template;

import java.util.List;

/**
 * A sequence that wraps a {@link List} of {@link TemplateModel}-s. It does not copy the original
 * list. It's mostly useful when implementing {@link TemplateMethodModelEx}-es that collect items from other
 * {@link TemplateModel}-s.
 */
public class TemplateModelListSequence implements TemplateSequenceModel {
    
    private List/**/ list;

    public TemplateModelListSequence(List list) {
        this.list = list;
    }

    @Override
    public TemplateModel get(int index) {
        return (TemplateModel) list.get(index);
    }

    @Override
    public int size() {
        return list.size();
    }

    /**
     * Returns the original {@link List} of {@link TemplateModel}-s, so it's not a fully unwrapped value.
     */
    public Object getWrappedObject() {
        return list;
    }
    
}