    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.commons.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}