toolsutil.java

这是一个俄罗斯方块的JAVA实现

package com.sunfruit.draw.util;

import com.sunfruit.draw.framework.JSFComponentface;
import java.util.Random;
import com.sunfruit.draw.framework.JSFCanvasface;
import com.sunfruit.draw.swing.JSFLComponent;
import com.sunfruit.draw.swing.JSFTComponent;
import com.sunfruit.draw.swing.JSFIComponent;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class ToolsUtil {
  private static Random random=new Random(System.currentTimeMillis());

  public static JSFComponentface jsfComponentfaceBuff=null;

  public ToolsUtil() {
  }

  public static JSFComponentface getJSFComponentface(JSFCanvasface jsfCanvasface)
  {
    JSFComponentface jsfComponentface=null;
    if(jsfComponentfaceBuff==null)
    {
      jsfComponentfaceBuff=getJSFComponentfaceBuff(jsfCanvasface);
    }
    jsfComponentface=jsfComponentfaceBuff;
    jsfComponentfaceBuff=getJSFComponentfaceBuff(jsfCanvasface);
    return jsfComponentface;
  }

  private static JSFComponentface getJSFComponentfaceBuff(JSFCanvasface jsfCanvasface)
  {
    JSFComponentface jsfComponentface=null;
    int i=-1;
    while(i<0 || i>2)
    {
      i=random.nextInt(10);
    }
    switch(i){
      case 0:
        jsfComponentface=new JSFLComponent(jsfCanvasface);
        break;
      case 1:
        jsfComponentface=new JSFTComponent(jsfCanvasface);
        break;
      case 2:
        jsfComponentface=new JSFIComponent(jsfCanvasface);
        break;
      default:
        break;
    }
    return jsfComponentface;
  }
}