int2of5modulefactory.java

来自「这是个国外JAVA爱好者写的条形码生成器」· Java 代码 · 共 82 行

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package net.sourceforge.barbecue.linear.twoOfFive;

import net.sourceforge.barbecue.Module;

import java.util.Map;
import java.util.HashMap;

/**
 * Interleave 2 of 5 barcode module definitions.
 *
 * @author <a href="mailto:[e-mail]">James Jenner</a>
 */
final class Int2of5ModuleFactory extends Std2of5ModuleFactory {
    public static final Module START_CHAR = new Module(new int[] {1, 1, 1, 1});
    public static final Module END_CHAR = new Module(new int[] {3, 1, 1});
    
    /**
     * No public access.
     */
    protected Int2of5ModuleFactory() {
    }
    
    /**
     * Returns the module that represents the specified characters.
     * Interleave uses one character for the bars and the other for
     * the spaces, so for each 'module' two characters are required 
     * to determine the resulting module.
     * @param barValue  The data character for the bars
     * @param spaceValue The data character for the spaces
     * @return The module that encodes the given characters
     */
    public static Module getModule(String barValue, String spaceValue) {
        Module module = null;
        int[] bar = null;
        int[] space = null;
        bar = (int[])SET.get(barValue);
        space = (int[])SET.get(spaceValue);
        
        // this should always be true, but best to check just in case...
        if(bar != null && bar.length == 5 && space != null && space.length == 5) {
            
            // create the new module based on the selected bar val and space val
            module = new Module(new int[] {
                bar[0], space[0], 
                bar[1], space[1], 
                bar[2], space[2], 
                bar[3], space[3], 
                bar[4], space[4]
            });
            module.setSymbol(barValue + spaceValue);
        }
        
        return module;
    }
}