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}