001// Copyright 2007, 2011 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry5.internal.parser; 016 017import org.apache.tapestry5.MarkupWriter; 018import org.apache.tapestry5.dom.Document; 019import org.apache.tapestry5.ioc.Location; 020import org.apache.tapestry5.runtime.RenderCommand; 021import org.apache.tapestry5.runtime.RenderQueue; 022 023/** 024 * Represents the presence of a Document Type declaration within a template. The Document type declaration will be 025 * output to the client. In the event that multiple declarations are encountered (a page and one or more nested 026 * components all declare a document type), the first document type declared will be used. 027 */ 028public class DTDToken extends TemplateToken implements RenderCommand 029{ 030 public final String name; 031 032 public final String publicId; 033 034 public final String systemId; 035 036 public DTDToken(String name, String publicId, String systemId, Location location) 037 { 038 super(TokenType.DTD, location); 039 040 this.name = name; 041 this.publicId = publicId; 042 this.systemId = systemId; 043 } 044 045 public void render(MarkupWriter writer, RenderQueue queue) 046 { 047 Document document = writer.getDocument(); 048 049 if (!document.hasDTD()) 050 { 051 document.dtd(name, publicId, systemId); 052 } 053 } 054 055 @Override 056 public String toString() 057 { 058 return String.format("DTD[name=%s; publicId=%s; systemId=%s]", name, publicId, systemId); 059 } 060}