package org.webslinger;

 import java.io.IOException;

 import java.io.StringWriter;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.Map;

 import java.util.logging.Logger;

 import javax.servlet.ServletException;

 import javax.servlet.ServletRequest;

 import javax.servlet.ServletResponse;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.apache.commons.vfs.FileObject;

 import org.webslinger.container.GivenPathInfo;

 import org.webslinger.servlet.FakeHttpServletRequest;

 import org.webslinger.servlet.FakeHttpServletResponse;

 import org.webslinger.servlet.FakeServletRequest;

 import org.webslinger.servlet.FakeServletResponse;

 public abstract class TypeHandler {

     public static final String[] runSignature = new String[] {

         Webslinger.class.getName(),

         HttpServletRequest.class.getName(),

         HttpServletResponse.class.getName(),

         Object.class.getName()

     };

     private WebslingerServletContext context;

     private String type;

     protected final Logger logger = Logger.getLogger(getClass().getName());

     public WebslingerServletContext getContext() {

         return context;

     }

     public String getType() {

         return type;

     }

     public void init(WebslingerServletContext context, String type) throws IOException {

         this.context = context;

         this.type = type;

     }

     protected boolean hasInit(final PathContext pc) throws IOException, ServletException {

         return "true".equals(pc.getAttribute("has-init"));

     }

     public String getContentType(PathContext pathContext, String defaultType) throws IOException {

         String contentType = (String) pathContext.getAttribute("content-type");

         if (contentType == null) contentType = pathContext.getFile().getContent().getContentInfo().getContentType();

         if (contentType == null) contentType = defaultType;

         return contentType;

     }

     public Object run(Webslinger webslinger) throws IOException, ServletException {

         throw new AbstractMethodError(getClass().toString());

     }

 }