Xinwen Deng / aem-src

/*
 * Decompiled with CFR 0_118.
 * 
 * Could not load the following classes:
 *  org.apache.sling.api.resource.Resource
 */
package com.adobe.granite.ui.components.ds;

import com.adobe.granite.ui.components.ds.DataSource;
import java.util.Iterator;
import java.util.NoSuchElementException;
import org.apache.sling.api.resource.Resource;

/*
 * This class specifies class file version 49.0 but uses Java 6 signatures.  Assumed Java 6.
 */
public final class EmptyDataSource
implements DataSource {
    private static DataSource instance;

    public static DataSource instance() {
        if (instance == null) {
            instance = new EmptyDataSource();
        }
        return instance;
    }

    private EmptyDataSource() {
    }

    @Override
    public Iterator<Resource> iterator() {
        return new Iterator<Resource>(){

            @Override
            public void remove() {
                throw new UnsupportedOperationException("Empty iterator");
            }

            @Override
            public Resource next() {
                throw new NoSuchElementException("Empty iterator");
            }

            @Override
            public boolean hasNext() {
                return false;
            }
        };
    }

}