FlattenProjectBucketIterator.java 2.07 KB
/*
 * Decompiled with CFR 0_118.
 * 
 * Could not load the following classes:
 *  org.apache.sling.api.resource.Resource
 */
package com.adobe.cq.projects.impl.util;

import java.util.Iterator;
import org.apache.sling.api.resource.Resource;

public class FlattenProjectBucketIterator
implements Iterator<Resource> {
    private final Iterator<Resource> rootIterator;
    private Iterator<Resource> bucketIterator;
    private Resource nextItem;

    public FlattenProjectBucketIterator(Resource currentParent) {
        this.rootIterator = currentParent != null ? currentParent.listChildren() : null;
        this.nextItem = this.loadNext();
    }

    @Override
    public boolean hasNext() {
        return this.nextItem != null;
    }

    @Override
    public Resource next() {
        Resource result = this.nextItem;
        this.nextItem = this.loadNext();
        return result;
    }

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

    private Resource loadNext() {
        if (this.bucketIterator != null) {
            if (this.bucketIterator.hasNext()) {
                Resource nextFromBucket = this.bucketIterator.next();
                return nextFromBucket;
            }
            this.bucketIterator = null;
            return this.loadNext();
        }
        if (this.rootIterator.hasNext()) {
            Resource potentialNext = this.rootIterator.next();
            if (this.isFolder(potentialNext)) {
                if (this.isBucketFolder(potentialNext)) {
                    this.bucketIterator = potentialNext.listChildren();
                    return this.loadNext();
                }
                return potentialNext;
            }
            return potentialNext;
        }
        return null;
    }

    boolean isBucketFolder(Resource folderResource) {
        return !folderResource.isResourceType("cq/gui/components/projects/admin/card/foldercard");
    }

    boolean isFolder(Resource resource) {
        return resource.isResourceType("sling:OrderedFolder") || resource.isResourceType("sling:Folder");
    }
}