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Central module for Tapestry, containing interfaces to the Java
Servlet API and all core services and components.
// 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
{
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 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 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
}
}