javax.faces.component.html.HtmlHead Maven / Gradle / Ivy
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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package javax.faces.component.html;
import java.util.ArrayList;
import java.util.List;
import javax.el.ValueExpression;
import javax.faces.component.UIOutput;
/**
* NONE
* By default, the rendererType property must be set to "javax.faces.Head".
* This value can be changed by calling the setRendererType() method.
*/
public class HtmlHead extends UIOutput {
private static final String OPTIMIZED_PACKAGE = "javax.faces.component.";
public HtmlHead() {
super();
setRendererType("javax.faces.Head");
}
/**
* The standard component type for this component.
*/
public static final String COMPONENT_TYPE = "javax.faces.OutputHead";
protected enum PropertyKeys {
dir,
lang,
xmlns,
;
String toString;
PropertyKeys(String toString) { this.toString = toString; }
PropertyKeys() { }
public String toString() {
return ((toString != null) ? toString : super.toString());
}
}
/**
* Return the value of the dir property.
* @return the property value
* Contents: Direction indication for text that does not inherit directionality.
* Valid values are "LTR" (left-to-right) and "RTL" (right-to-left).
* These attributes are case sensitive when rendering to XHTML, so
* care must be taken to have the correct case.
*/
public java.lang.String getDir() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.dir);
}
/**
*
Set the value of the dir property.
* @param dir the new property value
*/
public void setDir(java.lang.String dir) {
getStateHelper().put(PropertyKeys.dir, dir);
handleAttribute("dir", dir);
}
/**
* Return the value of the lang property.
* @return the property value
* Contents: Code describing the language used in the generated markup
* for this component.
*/
public java.lang.String getLang() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.lang);
}
/**
*
Set the value of the lang property.
* @param lang the new property value
*/
public void setLang(java.lang.String lang) {
getStateHelper().put(PropertyKeys.lang, lang);
handleAttribute("lang", lang);
}
/**
* Return the value of the xmlns property.
* @return the property value
* Contents:
* An XML Namespace to be passed through to the rendered element
*
*/
public java.lang.String getXmlns() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.xmlns);
}
/**
* Set the value of the xmlns property.
* @param xmlns the new property value
*/
public void setXmlns(java.lang.String xmlns) {
getStateHelper().put(PropertyKeys.xmlns, xmlns);
handleAttribute("xmlns", xmlns);
}
private void handleAttribute(String name, Object value) {
List setAttributes = (List) this.getAttributes().get("javax.faces.component.UIComponentBase.attributesThatAreSet");
if (setAttributes == null) {
String cname = this.getClass().getName();
if (cname != null && cname.startsWith(OPTIMIZED_PACKAGE)) {
setAttributes = new ArrayList(6);
this.getAttributes().put("javax.faces.component.UIComponentBase.attributesThatAreSet", setAttributes);
}
}
if (setAttributes != null) {
if (value == null) {
ValueExpression ve = getValueExpression(name);
if (ve == null) {
setAttributes.remove(name);
}
} else if (!setAttributes.contains(name)) {
setAttributes.add(name);
}
}
}
}