StructuralTableNodeIterator.java

/*
 * Zed Attack Proxy (ZAP) and its related class files.
 * 
 * ZAP is an HTTP/HTTPS proxy for assessing web application security.
 * 
 * Copyright The ZAP Development Team
 * 
 * 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 org.zaproxy.zap.model;

import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;

import org.parosproxy.paros.db.DatabaseException;
import org.parosproxy.paros.db.RecordStructure;
import org.parosproxy.paros.model.Model;

public class StructuralTableNodeIterator implements Iterator<StructuralNode> {

	@SuppressWarnings("unused")
	private StructuralNode parent;
	private List<RecordStructure> children;
	private int index = 0;
	
	public StructuralTableNodeIterator(StructuralTableNode parent){
		this.parent = parent;
		// TODO handle v large numbers of children?
		try {
			children = Model.getSingleton().getDb().getTableStructure().getChildren(
					parent.getRecordStructure().getSessionId(), parent.getRecordStructure().getStructureId());
		} catch (DatabaseException e) {
			// Ignore - if there are db problems then load of errors will get logged
		}
	}
	
	@Override
	public boolean hasNext() {
		return children != null && index < children.size();
	}

	@Override
	public StructuralTableNode next() {
		if (! hasNext()) {
			throw new NoSuchElementException();
		}
		RecordStructure childRs = children.get(index);
		index++;
		return new StructuralTableNode(childRs);
	}

	@Override
	public void remove() {
		// TODO 
		
	}


}