| /* |
| * 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. |
| */ |
| package org.apache.myfaces.shared.renderkit.html; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import javax.faces.application.ProjectStage; |
| import javax.faces.component.UIComponent; |
| import javax.faces.component.UIGraphic; |
| import javax.faces.component.behavior.ClientBehavior; |
| import javax.faces.component.behavior.ClientBehaviorHolder; |
| import javax.faces.context.FacesContext; |
| import javax.faces.context.ResponseWriter; |
| |
| import org.apache.myfaces.shared.renderkit.JSFAttr; |
| import org.apache.myfaces.shared.renderkit.RendererUtils; |
| import org.apache.myfaces.shared.renderkit.html.util.JavascriptUtils; |
| import org.apache.myfaces.shared.renderkit.html.util.ResourceUtils; |
| |
| |
| /** |
| * @author Manfred Geiler (latest modification by $Author$) |
| * @author Thomas Spiegl |
| * @author Anton Koinov |
| * @version $Revision$ $Date$ |
| */ |
| public class HtmlImageRendererBase |
| extends HtmlRenderer |
| { |
| //private static final Log log = LogFactory.getLog(HtmlImageRendererBase.class); |
| private static final Logger log = Logger.getLogger(HtmlImageRendererBase.class.getName()); |
| |
| public void decode(FacesContext context, UIComponent component) |
| { |
| //check for npe |
| super.decode(context, component); |
| |
| HtmlRendererUtils.decodeClientBehaviors(context, component); |
| } |
| |
| public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) |
| throws IOException |
| { |
| org.apache.myfaces.shared.renderkit.RendererUtils.checkParamValidity( |
| facesContext, uiComponent, UIGraphic.class); |
| |
| ResponseWriter writer = facesContext.getResponseWriter(); |
| |
| Map<String, List<ClientBehavior>> behaviors = null; |
| if (uiComponent instanceof ClientBehaviorHolder) |
| { |
| behaviors = ((ClientBehaviorHolder) uiComponent).getClientBehaviors(); |
| if (!behaviors.isEmpty()) |
| { |
| ResourceUtils.renderDefaultJsfJsInlineIfNecessary(facesContext, writer); |
| } |
| } |
| |
| writer.startElement(HTML.IMG_ELEM, uiComponent); |
| |
| if (uiComponent instanceof ClientBehaviorHolder |
| && JavascriptUtils.isJavascriptAllowed(facesContext.getExternalContext()) |
| && !behaviors.isEmpty()) |
| { |
| HtmlRendererUtils.writeIdAndName(writer, uiComponent, facesContext); |
| } |
| else |
| { |
| HtmlRendererUtils.writeIdIfNecessary(writer, uiComponent, facesContext); |
| } |
| |
| final String url = RendererUtils.getIconSrc(facesContext, uiComponent, JSFAttr.URL_ATTR); |
| if (url != null) |
| { |
| writer.writeURIAttribute(HTML.SRC_ATTR, url,JSFAttr.VALUE_ATTR); |
| } |
| else |
| { |
| if (facesContext.isProjectStage(ProjectStage.Development) && log.isLoggable(Level.WARNING)) |
| { |
| log.warning("Component UIGraphic " + uiComponent.getClientId(facesContext) |
| + " has no attribute url, value, name or attribute resolves to null. Path to component " |
| + RendererUtils.getPathToComponent(uiComponent)); |
| } |
| } |
| |
| /* |
| * Warn the user if the ALT attribute is missing. |
| */ |
| if (uiComponent.getAttributes().get(HTML.ALT_ATTR) == null) |
| { |
| if(facesContext.isProjectStage(ProjectStage.Development) && log.isLoggable(Level.WARNING)) |
| { |
| log.warning("Component UIGraphic " + uiComponent.getClientId(facesContext) |
| + " has no attribute alt or attribute resolves to null. Path to component " |
| + RendererUtils.getPathToComponent(uiComponent)); |
| } |
| } |
| |
| if (uiComponent instanceof ClientBehaviorHolder && JavascriptUtils.isJavascriptAllowed( |
| facesContext.getExternalContext())) |
| { |
| if (behaviors.isEmpty() && isCommonPropertiesOptimizationEnabled(facesContext)) |
| { |
| CommonPropertyUtils.renderEventProperties(writer, |
| CommonPropertyUtils.getCommonPropertiesMarked(uiComponent), uiComponent); |
| } |
| else |
| { |
| if (isCommonEventsOptimizationEnabled(facesContext)) |
| { |
| CommonEventUtils.renderBehaviorizedEventHandlers(facesContext, writer, |
| CommonPropertyUtils.getCommonPropertiesMarked(uiComponent), |
| CommonEventUtils.getCommonEventsMarked(uiComponent), uiComponent, behaviors); |
| } |
| else |
| { |
| HtmlRendererUtils.renderBehaviorizedEventHandlers(facesContext, writer, uiComponent, behaviors); |
| } |
| } |
| if (isCommonPropertiesOptimizationEnabled(facesContext)) |
| { |
| HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.IMG_ATTRIBUTES); |
| CommonPropertyUtils.renderCommonPassthroughPropertiesWithoutEvents(writer, |
| CommonPropertyUtils.getCommonPropertiesMarked(uiComponent), uiComponent); |
| } |
| else |
| { |
| HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, |
| HTML.IMG_PASSTHROUGH_ATTRIBUTES_WITHOUT_EVENTS); |
| } |
| } |
| else |
| { |
| if (isCommonPropertiesOptimizationEnabled(facesContext)) |
| { |
| HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.IMG_ATTRIBUTES); |
| CommonPropertyUtils.renderCommonPassthroughProperties(writer, |
| CommonPropertyUtils.getCommonPropertiesMarked(uiComponent), uiComponent); |
| } |
| else |
| { |
| HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, |
| HTML.IMG_PASSTHROUGH_ATTRIBUTES); |
| } |
| } |
| |
| writer.endElement(org.apache.myfaces.shared.renderkit.html.HTML.IMG_ELEM); |
| |
| } |
| |
| } |