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/**
 * Copyright (C) 2020 WaveMaker, Inc.
 * 
 * Licensed 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 com.wavemaker.commons.io;

import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;

import org.springframework.util.Assert;

/**
 * Implementation of {@link Resources} backed by a {@link Collection}.
 * 
 * @author Phillip Webb
 */
public class ResourcesCollection extends AbstractResources {

    private final Folder source;

    private final Collection resources;

    public ResourcesCollection(Folder source, Collection resources) {
        Assert.notNull(source, "Source must not be null");
        Assert.notNull(resources, "Resources must not be null");
        this.source = source;
        this.resources = resources;
    }

    public ResourcesCollection(Folder source, T... resources) {
        Assert.notNull(source, "Source must not be null");
        Assert.notNull(resources, "Resources must not be null");
        this.source = source;
        this.resources = Arrays.asList(resources);
    }

    @Override
    public Folder getSource() {
        return this.source;
    }

    @Override
    public Iterator iterator() {
        return this.resources.iterator();
    }
}