95 lines
3.0 KiB
Java
95 lines
3.0 KiB
Java
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The ASF licenses this file to You under the Apache License, Version 2.0
|
|
* (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* $Header:$
|
|
*/
|
|
package org.apache.beehive.netui.tags.rendering;
|
|
|
|
import org.apache.beehive.netui.tags.html.HtmlConstants;
|
|
|
|
import java.util.HashMap;
|
|
|
|
/**
|
|
* Render the HTML <base> tag. This is the document base URI.
|
|
* In HTML 4.01 the start tag is required and the end tag forbidden.
|
|
* The tag will be rendered as a single tag. The href attribute is required in HTML 4.01 and optional
|
|
* in XHTML.
|
|
*/
|
|
public abstract class BaseTag extends TagHtmlBase implements HtmlConstants
|
|
{
|
|
public static void add(HashMap html, HashMap htmlQuirks, HashMap xhtml)
|
|
{
|
|
html.put(BASE_TAG, new HtmlRendering());
|
|
htmlQuirks.put(BASE_TAG, new HtmlRendering());
|
|
xhtml.put(BASE_TAG, new XhtmlRendering());
|
|
}
|
|
|
|
public static class State extends AbstractAttributeState
|
|
{
|
|
public String target;
|
|
public String href;
|
|
|
|
public void clear()
|
|
{
|
|
super.clear();
|
|
|
|
target = null;
|
|
href = null;
|
|
}
|
|
}
|
|
|
|
public void doStartTag(AbstractRenderAppender sb, AbstractTagState renderState)
|
|
{
|
|
assert(sb != null) : "Parameter 'sb' must not be null";
|
|
assert(renderState != null) : "Parameter 'renderState' must not be null";
|
|
assert(renderState instanceof BaseTag.State) : "Paramater 'renderState' must be an instance of Base.State";
|
|
|
|
State state = (State) renderState;
|
|
|
|
renderTag(sb, BASE);
|
|
renderAttribute(sb, HREF, state.href);
|
|
renderAttribute(sb, TARGET, state.target);
|
|
|
|
// These are not actually used by the <base> tag, but may be set by external sources.
|
|
renderAttributes(AbstractHtmlState.ATTR_GENERAL, sb, state);
|
|
writeEnd(sb);
|
|
}
|
|
|
|
public void doEndTag(AbstractRenderAppender sb)
|
|
{
|
|
// do nothing...
|
|
}
|
|
|
|
abstract protected void writeEnd(AbstractRenderAppender sb);
|
|
|
|
|
|
private static class HtmlRendering extends BaseTag
|
|
{
|
|
protected void writeEnd(AbstractRenderAppender sb)
|
|
{
|
|
sb.append(">");
|
|
}
|
|
}
|
|
|
|
private static class XhtmlRendering extends BaseTag
|
|
{
|
|
protected void writeEnd(AbstractRenderAppender sb)
|
|
{
|
|
sb.append(" />");
|
|
}
|
|
}
|
|
}
|