contentitem.java

《Java案例开发》源代码( 考勤系统的完整实现！） 包括数据库 网络通讯＆uml

/*
 * Content.java
 *
 * Created on 2003年11月5日, 下午4:15
 */

package romulus;

/**
 * This class is used to describe the base interface of any type of content item.
 * @author  Romulus
 * @version 1.0
 */
public interface ContentItem extends RomulusNode{
    
    public static String Str_Type_ImageContent = "lmage Content";
    
    public static String Str_Type_TextContent = "Text Content";
    
    public static String Str_Type_EmTextContent = "Emphatic Text Content";
    
    public static int Int_Type_ImageContent = 1;
    
    public static int Int_Type_TextContent = 2;
    
    public static int Int_Type_EmTextContent = 4;
    
    /**
     * Such method is used to get the Str_Type of the content.
     * @return Str_Type_XXXContent.
     */
    public String getStrContentType();

        /**
     * Such method is used to get the Int_Type of the content.
     * @return Int_Type_XXXContent.
     */
    public int getIntContentType();

    
    /**
     * Such type is used to get the actual content Object.
     * @return The actual content object. Will be a String or a Image.
     */
    public Object getContent();
    
    /**
     * Get the String description of the Content.
     * @return The String can be used to detail the content.
     */
    public String getString();

    /** The method used to accept the Visitor to do something. */
    public void Accept(Visitor v) throws java.sql.SQLException, RomulusException;
    
}