[richfaces-svn-commits] JBoss Rich Faces SVN: r16232 - root/framework/trunk/commons/src/main/java/org/richfaces/renderkit.

Author: nbelaevski Date: 2010-01-03 18:33:55 -0500 (Sun, 03 Jan 2010) New Revision: 16232 Added: root/framework/trunk/commons/src/main/java/org/richfaces/renderkit/RenderKitUtils.java Modified: root/framework/trunk/commons/src/main/java/org/richfaces/renderkit/ComponentAttribute.java Log: https://jira.jboss.org/jira/browse/RF-8233 Modified: root/framework/trunk/commons/src/main/java/org/richfaces/renderkit/ComponentAttribute.java =================================================================== --- root/framework/trunk/commons/src/main/java/org/richfaces/renderkit/ComponentAttribute.java 2009-12-30 18:06:28 UTC (rev 16231) +++ root/framework/trunk/commons/src/main/java/org/richfaces/renderkit/ComponentAttribute.java 2010-01-03 23:33:55 UTC (rev 16232) @@ -1,4 +1,3 @@ -package org.richfaces.renderkit; /* * JBoss, Home of Professional Open Source * Copyright 2009, Red Hat, Inc. and individual contributors @@ -21,15 +20,22 @@ * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ +package org.richfaces.renderkit; + +import java.util.Map; +import java.util.TreeMap; + /** * @author Nick Belaevski */ -public class ComponentAttribute { +public class ComponentAttribute implements Comparable<ComponentAttribute> { private final String name; private final String[] eventNames; + //TODO handling for aliases: "styleClass" -> "class" + public ComponentAttribute(String name) { this(name, null); } @@ -40,6 +46,16 @@ this.eventNames = eventNames; } + public static final Map<String, ComponentAttribute> createMap(ComponentAttribute... attributes) { + Map<String,ComponentAttribute> result = new TreeMap<String, ComponentAttribute>(); + + for (ComponentAttribute componentAttribute : attributes) { + result.put(componentAttribute.getName(), componentAttribute); + } + + return result; + } + /** * @return the name */ @@ -53,4 +69,8 @@ public String[] getEventNames() { return eventNames; } + + public int compareTo(ComponentAttribute o) { + return getName().compareTo(o.getName()); + } } Added: root/framework/trunk/commons/src/main/java/org/richfaces/renderkit/RenderKitUtils.java =================================================================== --- root/framework/trunk/commons/src/main/java/org/richfaces/renderkit/RenderKitUtils.java (rev 0) +++ root/framework/trunk/commons/src/main/java/org/richfaces/renderkit/RenderKitUtils.java 2010-01-03 23:33:55 UTC (rev 16232) @@ -0,0 +1,201 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2009, Red Hat, Inc. and individual contributors + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.richfaces.renderkit; + +import java.io.IOException; +import java.util.Arrays; +import java.util.Collection; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import javax.faces.component.UIComponent; +import javax.faces.component.UIComponentBase; +import javax.faces.component.behavior.ClientBehavior; +import javax.faces.component.behavior.ClientBehaviorHolder; +import javax.faces.context.FacesContext; +import javax.faces.context.ResponseWriter; + +/** + * @author Nick Belaevski + * + */ +public final class RenderKitUtils { + + // TODO - check what's in MyFaces + private static final String ATTRIBUTES_THAT_ARE_SET = UIComponentBase.class.getName() + ".attributesThatAreSet"; + + private static final String[] BOOLEAN_ATTRIBUTE_NAMES = { "checked", "compact", "declare", "defer", "disabled", + "ismap", "multiple", "nohref", "noshade", "nowrap", "readonly", "selected" }; + + private static final String[] URI_ATTRIBUTE_NAMES = { "action", "background", "cite", "classid", "codebase", + "data", "href", "longdesc", "profile", "src", "usemap" }; + + private RenderKitUtils() { + // utility constructor + } + + private static Map<String, List<ClientBehavior>> getClientBehaviorsMap(UIComponent component) { + Map<String, List<ClientBehavior>> result = null; + if (component instanceof ClientBehaviorHolder) { + ClientBehaviorHolder clientBehaviorHolder = (ClientBehaviorHolder) component; + + result = clientBehaviorHolder.getClientBehaviors(); + } + + return result; + } + + private static Object createBehaviorsChain(Object inlineHandlerValue, List<ClientBehavior> behaviors) { + // TODO implement properly + return inlineHandlerValue; + } + + private static boolean shouldRenderAttribute(String attributeName, Object attributeValue) { + if (attributeValue instanceof String) { + return true; + } else if (attributeValue instanceof Boolean && Boolean.FALSE.equals(attributeValue)) { + return false; + } else if (attributeValue instanceof Integer && (Integer) attributeValue == Integer.MIN_VALUE) { + return false; + } else if (attributeValue instanceof Double && (Double) attributeValue == Double.MIN_VALUE) { + return false; + } else if (attributeValue instanceof Character && (Character) attributeValue == Character.MIN_VALUE) { + return false; + } else if (attributeValue instanceof Float && (Float) attributeValue == Float.MIN_VALUE) { + return false; + } else if (attributeValue instanceof Short && (Short) attributeValue == Short.MIN_VALUE) { + return false; + } else if (attributeValue instanceof Byte && (Byte) attributeValue == Byte.MIN_VALUE) { + return false; + } else if (attributeValue instanceof Long && (Long) attributeValue == Long.MIN_VALUE) { + return false; + } + + return true; + } + + public static void renderAttribute(FacesContext facesContext, String attributeName, Object attributeValue) + throws IOException { + + if (!shouldRenderAttribute(attributeName, attributeValue)) { + return; + } + + ResponseWriter writer = facesContext.getResponseWriter(); + + if (Arrays.binarySearch(URI_ATTRIBUTE_NAMES, attributeName) >= 0) { + writer.writeURIAttribute(attributeName, attributeValue, attributeName); + } else if (Arrays.binarySearch(BOOLEAN_ATTRIBUTE_NAMES, attributeName) >= 0) { + boolean booleanAttributeValue = Boolean.valueOf(String.valueOf(attributeValue)); + if (booleanAttributeValue) { + writer.writeAttribute(attributeName, attributeName, attributeName); + } + } else { + writer.writeAttribute(attributeName, attributeValue, attributeName); + } + } + + public static void renderAttributeAndBehaviors(FacesContext facesContext, UIComponent component, + ComponentAttribute componentAttribute) throws IOException { + + if (facesContext == null) { + throw new NullPointerException("facesContext"); + } + + if (component == null) { + throw new NullPointerException("component"); + } + + if (componentAttribute == null) { + throw new NullPointerException("componentAttribute"); + } + + String attributeName = componentAttribute.getName(); + Object attributeValue = component.getAttributes().get(attributeName); + + Map<String, List<ClientBehavior>> behaviorsMap = getClientBehaviorsMap(component); + if (behaviorsMap != null) { + String[] eventNames = componentAttribute.getEventNames(); + if (eventNames != null) { + for (String eventName : eventNames) { + List<ClientBehavior> behaviorsList = behaviorsMap.get(eventName); + if (behaviorsList != null) { + attributeValue = createBehaviorsChain(attributeValue, behaviorsList); + + break; + } + } + } + } + + renderAttribute(facesContext, attributeName, attributeValue); + } + + public static void renderPassThroughAttributesOptimized(FacesContext context, UIComponent component, + Map<String, ComponentAttribute> knownAttributesMap) throws IOException { + + Set<String> handledAttributes = new HashSet<String>(knownAttributesMap.size()); + Object attributesThatAreSetObject = component.getAttributes().get(ATTRIBUTES_THAT_ARE_SET); + if (attributesThatAreSetObject instanceof Collection<?>) { + Collection<?> attributesThatAreSet = (Collection<?>) attributesThatAreSetObject; + for (Object attributeNameObject : attributesThatAreSet) { + if (attributeNameObject == null) { + continue; + } + + String attributeName = attributeNameObject.toString(); + + ComponentAttribute knownAttribute = knownAttributesMap.get(attributeName); + if (knownAttribute != null) { + handledAttributes.add(attributeName); + + // TODO check for disabled component + renderAttributeAndBehaviors(context, component, knownAttribute); + } + } + + // render attributes that haven't been processed yet - there can be behaviors + for (Map.Entry<String, ComponentAttribute> knownAttributesMapEntry : knownAttributesMap.entrySet()) { + ComponentAttribute knownAttribute = knownAttributesMapEntry.getValue(); + + if (handledAttributes.contains(knownAttribute.getName())) { + continue; + } + + renderAttributeAndBehaviors(context, component, knownAttribute); + } + } else { + // switch to unoptimized mode + renderPassThroughAttributes(context, component, knownAttributesMap); + } + } + + public static void renderPassThroughAttributes(FacesContext context, UIComponent component, + Map<String, ComponentAttribute> knownAttributesMap) throws IOException { + + for (ComponentAttribute knownAttribute : knownAttributesMap.values()) { + renderAttributeAndBehaviors(context, component, knownAttribute); + } + } +}