console-proxy/src/com/cloud/consoleproxy/util/RegionClassifier.java

// 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 com.cloud.consoleproxy.util;

import java.awt.Rectangle;
import java.util.ArrayList;
import java.util.List;

public class RegionClassifier {
	private List<Region> regionList;
	
	public RegionClassifier() {
		regionList = new ArrayList<Region>();
	}
	
	public void add(Rectangle rect) {
		boolean newRegion = true;
		Rectangle rcInflated = new Rectangle(rect.x - 1, rect.y - 1, rect.width + 2, rect.height + 2);
		for(Region region : regionList) {
			if(region.getBound().intersects(rcInflated)) {
				newRegion = false;
				break;
			}
		}
		
		if(newRegion) {
			regionList.add(new Region(rect));
		} else {
			for(Region region : regionList) {
				if(region.add(rect))
					return;
			}
			regionList.add(new Region(rect));
		}
	}
	
	public List<Region> getRegionList() {
		return regionList;
	}
	
	public void clear() {
		regionList.clear();
	}
}