001// Copyright 2006, 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.ioc.Location; 019import org.apache.tapestry5.runtime.RenderCommand; 020import org.apache.tapestry5.runtime.RenderQueue; 021 022/** 023 * Stores an attribute/value pair (as part of an XML element). 024 */ 025public class AttributeToken extends TemplateToken implements RenderCommand 026{ 027 public final String namespaceURI; 028 029 public final String name; 030 031 public final String value; 032 033 public AttributeToken(String namespaceURI, String name, String value, Location location) 034 { 035 super(TokenType.ATTRIBUTE, location); 036 037 this.namespaceURI = namespaceURI; 038 this.name = name; 039 this.value = value; 040 } 041 042 public void render(MarkupWriter writer, RenderQueue queue) 043 { 044 writer.attributeNS(namespaceURI, name, value); 045 } 046 047 048 @Override 049 public String toString() 050 { 051 StringBuilder builder = new StringBuilder("Attribute["); 052 053 if (namespaceURI.length() > 0) builder.append(namespaceURI).append(' '); 054 055 builder.append(name).append('=').append(value).append(']'); 056 057 return builder.toString(); 058 } 059}