// Copyright 2007, 2008 The Apache Software Foundation

 //

 // Licensed under the Apache License, Version 2.0 (the "License");

 // you may not use this file except in compliance with the License.

 // You may obtain a copy of the License at

 //

 //     http://www.apache.org/licenses/LICENSE-2.0

 //

 // Unless required by applicable law or agreed to in writing, software

 // distributed under the License is distributed on an "AS IS" BASIS,

 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 // See the License for the specific language governing permissions and

 // limitations under the License.

 package org.apache.tapestry5.internal.renderers;

 import org.apache.tapestry5.MarkupWriter;

 import org.apache.tapestry5.internal.InternalConstants;

 import org.apache.tapestry5.ioc.annotations.Primary;

 import org.apache.tapestry5.services.Context;

 import org.apache.tapestry5.services.ObjectRenderer;

 import org.apache.tapestry5.services.Request;

 import java.util.List;

 public class RequestRenderer implements ObjectRenderer<Request>

 {

     private final Context context;

     private final ObjectRenderer masterObjectRenderer;

     public RequestRenderer(@Primary ObjectRenderer masterObjectRenderer, Context context)

     {

         this.masterObjectRenderer = masterObjectRenderer;

         this.context = context;

     }

     public void render(Request request, MarkupWriter writer)

     {

         writer.element("dl");

         dt(writer, "Context Path");

         writer.element("dd");

         String contextPath = request.getContextPath();

         if (contextPath.equals(""))

         {

             writer.element("em");

             writer.write("none (deployed as root)");

             writer.end();

         }

         else

         {

             writer.write(contextPath);

         }

         writer.end(); // dd

         dt(writer, "Request Path");

         dd(writer, request.getPath());

         dt(writer, "Locale");

         dd(writer, request.getLocale().toString());

         dt(writer, "Secure");

         dd(writer, Boolean.toString(request.isSecure()));

         dt(writer, "Server Name");

         dd(writer, request.getServerName());

         writer.end();

         parameters(request, writer);

         headers(request, writer);

         context(writer);

     }

     private void context(MarkupWriter writer)

     {

         List<String> attributeNames = context.getAttributeNames();

         if (attributeNames.isEmpty()) return;

         section(writer, "Context Attributes");

         writer.element("dl");

         for (String name : attributeNames)

         {

             dt(writer, name);

             writer.element("dd");

             masterObjectRenderer.render(context.getAttribute(name), writer);

             writer.end(); // dd

         }

         writer.end(); // dl

     }

     private void parameters(Request request, MarkupWriter writer)

     {

         List<String> parameterNames = request.getParameterNames();

         if (parameterNames.isEmpty())

             return;

         section(writer, "Query Parameters");

         writer.element("dl");

         for (String name : parameterNames)

         {

             String[] values = request.getParameters(name);

             dt(writer, name);

             writer.element("dd");

             if (values.length > 1)

             {

                 writer.element("ul");

                 for (String value : values)

                 {

                     writer.element("li");

                     writer.write(value);

                     writer.end();

                 }

                 writer.end(); // ul

             }

             else

             {

                 writer.write(values[0]);

             }

             writer.end(); // dd

         }

         writer.end(); // dl

     }

     private void dt(MarkupWriter writer, String name)

     {

         writer.element("dt");

         writer.write(name);

         writer.end();

     }

     private void dd(MarkupWriter writer, String name)

     {

         writer.element("dd");

         writer.write(name);

         writer.end();

     }

     private void section(MarkupWriter writer, String name)

     {

         writer.element("div", "class", InternalConstants.OBJECT_RENDER_DIV_SECTION);

         writer.write(name);

         writer.end();

     }

     private void headers(Request request, MarkupWriter writer)

     {

         section(writer, "Headers");

         writer.element("dl");

         for (String name : request.getHeaderNames())

         {

             dt(writer, name);

             dd(writer, request.getHeader(name));

         }

         writer.end(); // dl

     }

 }