shortviewurlconstructor.java

wiki建站资源 java编写的 很好用

/*
 * (C) Janne Jalkanen 2005
 * 
 */
package com.ecyrd.jspwiki.url;

import java.util.Properties;

import javax.servlet.http.HttpServletRequest;

import com.ecyrd.jspwiki.WikiContext;
import com.ecyrd.jspwiki.WikiEngine;

/**
 *  A specific URL constructor that returns easy-to-grok URLs for
 *  VIEW and ATTACH contexts, but goes through JSP pages otherwise.
 * 
 *  @author jalkanen
 *
 *  @since 
 */
public class ShortViewURLConstructor 
    extends ShortURLConstructor
{
    public void initialize( WikiEngine engine, 
                            Properties properties )
    {
        super.initialize( engine, properties );
    }
    
    private String makeURL( String context,
                            String name,
                            boolean absolute )
    {
        String viewurl = m_urlPrefix+"%n";

        if( absolute ) 
            viewurl = "%uwiki/%n";

        if( context.equals(WikiContext.VIEW) )
        {
            if( name == null ) return makeURL("%u","",absolute); // FIXME
            return doReplacement( viewurl, name, absolute );
        }

        return doReplacement( DefaultURLConstructor.getURLPattern(context,name),
                              name,
                              true );
    }

    public String makeURL( String context,
                           String name,
                           boolean absolute,
                           String parameters )
    {
        if( parameters != null && parameters.length() > 0 )
        {            
            if( context.equals(WikiContext.ATTACH) || context.equals(WikiContext.VIEW) || name == null )
            {
                parameters = "?"+parameters;
            }
            else
            {
                parameters = "&"+parameters;
            }
        }
        else
        {
            parameters = "";
        }
        return makeURL( context, name, absolute )+parameters;
    }
    
    /**
     *   Since we're only called from WikiServlet, where we get the VIEW requests,
     *   we can safely return this.
     */
    public String getForwardPage( HttpServletRequest req )
    {        
        return "Wiki.jsp";
    }
}