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World Wind is a collection of components that interactively display 3D geographic information within Java applications or applets.
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/*
 * Copyright (C) 2012 United States Government as represented by the Administrator of the
 * National Aeronautics and Space Administration.
 * All Rights Reserved.
 */

package gov.nasa.worldwind.ogc;

import gov.nasa.worldwind.util.*;
import gov.nasa.worldwind.util.xml.*;

import javax.xml.stream.events.*;
import java.util.Iterator;

/**
 * Parses an OGC BoundingBox element.
 *
 * @author tag
 * @version $Id: OGCBoundingBox.java 1171 2013-02-11 21:45:02Z dcollins $
 */
public class OGCBoundingBox extends AbstractXMLEventParser
{
    private String crs;
    private double minx;
    private double maxx;
    private double miny;
    private double maxy;
    private double resx;
    private double resy;

    public static OGCBoundingBox createFromStrings(String crs, String minx, String maxx, String miny, String maxy,
        String resx, String resy)
    {
        OGCBoundingBox bbox = new OGCBoundingBox(null);

        try
        {
            bbox.crs = crs;
            bbox.minx = Double.parseDouble(minx);
            bbox.maxx = Double.parseDouble(maxx);
            bbox.miny = Double.parseDouble(miny);
            bbox.maxy = Double.parseDouble(maxy);
            bbox.resx = resx != null && !resx.equals("") ? Double.parseDouble(resx) : 0;
            bbox.resy = resy != null && !resy.equals("") ? Double.parseDouble(resy) : 0;
        }
        catch (NumberFormatException e)
        {
            String message = Logging.getMessage("XML.ImproperDataType");
            Logging.logger().severe(message);
            throw e;
        }

        return bbox;
    }

    public OGCBoundingBox(String namespaceURI)
    {
        super(namespaceURI);
    }

    @Override
    protected void doParseEventAttributes(XMLEventParserContext ctx, XMLEvent event, Object... args)
    {
        Iterator iter = event.asStartElement().getAttributes();
        if (iter == null)
            return;

        while (iter.hasNext())
        {
            Attribute attr = (Attribute) iter.next();
            if (attr.getName().getLocalPart().equals("CRS") && attr.getValue() != null)
            {
                String s = attr.getValue();
                if (s != null)
                    this.setCRS(s);
            }
            else if (attr.getName().getLocalPart().equals("minx") && attr.getValue() != null)
            {
                Double d = WWUtil.convertStringToDouble(attr.getValue());
                if (d != null)
                    this.setMinx(d);
            }
            else if (attr.getName().getLocalPart().equals("miny") && attr.getValue() != null)
            {
                Double d = WWUtil.convertStringToDouble(attr.getValue());
                if (d != null)
                    this.setMiny(d);
            }
            else if (attr.getName().getLocalPart().equals("maxx") && attr.getValue() != null)
            {
                Double d = WWUtil.convertStringToDouble(attr.getValue());
                if (d != null)
                    this.setMaxx(d);
            }
            else if (attr.getName().getLocalPart().equals("maxy") && attr.getValue() != null)
            {
                Double d = WWUtil.convertStringToDouble(attr.getValue());
                if (d != null)
                    this.setMaxy(d);
            }
            else if (attr.getName().getLocalPart().equals("resx") && attr.getValue() != null)
            {
                Double d = WWUtil.convertStringToDouble(attr.getValue());
                if (d != null)
                    this.setResx(d);
            }
            else if (attr.getName().getLocalPart().equals("resy") && attr.getValue() != null)
            {
                Double d = WWUtil.convertStringToDouble(attr.getValue());
                if (d != null)
                    this.setResy(d);
            }
        }
    }

    public String getCRS()
    {
        return crs;
    }

    protected void setCRS(String crs)
    {
        this.crs = crs;
    }

    public double getMinx()
    {
        return minx;
    }

    protected void setMinx(double minx)
    {
        this.minx = minx;
    }

    public double getMaxx()
    {
        return maxx;
    }

    protected void setMaxx(double maxx)
    {
        this.maxx = maxx;
    }

    public double getMiny()
    {
        return miny;
    }

    protected void setMiny(double miny)
    {
        this.miny = miny;
    }

    public double getMaxy()
    {
        return maxy;
    }

    protected void setMaxy(double maxy)
    {
        this.maxy = maxy;
    }

    public double getResx()
    {
        return resx;
    }

    protected void setResx(double resx)
    {
        this.resx = resx;
    }

    public double getResy()
    {
        return resy;
    }

    protected void setResy(double resy)
    {
        this.resy = resy;
    }

    @Override
    public String toString()
    {
        StringBuilder sb = new StringBuilder();

        sb.append(this.crs);
        sb.append(": minx = ");
        sb.append(this.minx);
        sb.append(" miny = ");
        sb.append(this.miny);
        sb.append(" maxx = ");
        sb.append(this.maxx);
        sb.append(" maxy = ");
        sb.append(this.maxy);
        sb.append(" resx = ");
        sb.append(this.resx);
        sb.append(" resy = ");
        sb.append(this.resy);

        return sb.toString();
    }
}