    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
    015    package org.apache.tapestry5.internal.parser;
    016
    017    import org.apache.tapestry5.MarkupWriter;
    018    import org.apache.tapestry5.ioc.Location;
    019    import org.apache.tapestry5.runtime.RenderCommand;
    020    import org.apache.tapestry5.runtime.RenderQueue;
    021
    022    /**
    023     * A token from a template that defines a namespace prefix. This will always follow a {@link
    024     * org.apache.tapestry5.internal.parser.StartComponentToken} or {@link org.apache.tapestry5.internal.parser.StartElementToken}
    025     * (and come before {@link org.apache.tapestry5.internal.parser.AttributeToken}) and applies to the component or
    026     * element.
    027     *
    028     * @see org.apache.tapestry5.dom.Element#defineNamespace(String, String)
    029     */
    030    public class DefineNamespacePrefixToken extends TemplateToken implements RenderCommand
    031    {
    032        public final String namespaceURI;
    033
    034        public final String namespacePrefix;
    035
    036        public DefineNamespacePrefixToken(String namespaceURI, String namespacePrefix, Location location)
    037        {
    038            super(TokenType.DEFINE_NAMESPACE_PREFIX, location);
    039
    040            this.namespacePrefix = namespacePrefix;
    041            this.namespaceURI = namespaceURI;
    042        }
    043
    044        @Override
    045        public String toString()
    046        {
    047            return String.format("DefineNamespacePrefix[%s=%s]", namespacePrefix, namespaceURI);
    048        }
    049
    050        public void render(MarkupWriter writer, RenderQueue queue)
    051        {
    052            writer.defineNamespace(namespaceURI, namespacePrefix);
    053        }
    054
    055    }