codesizemodifier.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

// **********************************************************************
// 
// <copyright>
// 
//  BBN Technologies
//  10 Moulton Street
//  Cambridge, MA 02138
//  [phone]
// 
//  Copyright (C) BBNT Solutions LLC. All rights reserved.
// 
// </copyright>
// **********************************************************************
// 
// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/tools/symbology/milStd2525/CodeSizeModifier.java,v $
// $RCSfile: CodeSizeModifier.java,v $
// $Revision: 1.4.2.1 $
// $Date: 2004/10/14 18:27:44 $
// $Author: dietrick $
// 
// **********************************************************************

package com.bbn.openmap.tools.symbology.milStd2525;

import java.util.Properties;
import com.bbn.openmap.util.PropUtils;

/**
 * The CodeSizeModifier is a CodeModifier for the tactical graphics
 * scheme set, for code symbol positions 11 and 12.
 */
public class CodeSizeModifier extends CodePosition {

    public CodeSizeModifier() {
        super("Echelon/Size", 11, 12);
    }

    /**
     * The CodeSizeModifier is more particular. It wants the first 14
     * code in modifers.properties, and then the last one.
     */
    protected void parsePositions(String prefix, Properties props) {
        String entry = null;
        prefix = PropUtils.getScopedPropertyPrefix(prefix);
        for (int index = 1; index > 0 && index < 15; index++) {
            entry = props.getProperty(prefix + Integer.toString(index));
            if (entry != null) {
                addPositionChoice(index, entry, prefix, props);
            } else {
                index = -1;
            }
        }

        // HACK I know that 'K-' is at 128 in the modifiers.properties
        // file.
        entry = props.getProperty(prefix + "128");
        if (entry != null) {
            addPositionChoice(128, entry, prefix, props);
        }
    }

}