| /* |
| * 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.extensions.scripting.facelet; |
| |
| import org.apache.myfaces.extensions.scripting.api.ScriptingConst; |
| import org.apache.myfaces.extensions.scripting.core.util.WeavingContext; |
| import org.apache.myfaces.extensions.scripting.facelet.support.ComponentRule; |
| import org.apache.myfaces.extensions.scripting.facelet.support.SwitchingMetarulesetImpl; |
| import org.apache.myfaces.view.facelets.tag.jsf.*; |
| |
| import javax.faces.component.ActionSource; |
| import javax.faces.component.EditableValueHolder; |
| import javax.faces.component.UIComponent; |
| import javax.faces.component.ValueHolder; |
| import javax.faces.view.facelets.*; |
| import javax.faces.view.facelets.ComponentHandler; |
| import java.io.IOException; |
| |
| /** |
| * we provide our own component tag handler factory impl |
| * so that we can deal with refreshing of components |
| * on Facelets level without running into |
| * nasty type exceptions |
| */ |
| public class ReloadingComponentTagHandlerDelegate extends TagHandlerDelegate { |
| |
| ComponentHandler _owner; |
| TagHandlerDelegate _delegate; |
| |
| public ReloadingComponentTagHandlerDelegate(ComponentHandler owner) { |
| applyOwner(owner); |
| } |
| |
| private void applyOwner(ComponentHandler owner) { |
| _owner = owner; |
| _delegate = new ComponentTagHandlerDelegate(_owner); |
| } |
| |
| @Override |
| public void apply(FaceletContext ctx, UIComponent comp) throws IOException { |
| if (WeavingContext.isDynamic(_owner.getClass())) { |
| ComponentHandler newOwner = (ComponentHandler) WeavingContext.getWeaver().reloadScriptingInstance(_owner, ScriptingConst.ARTIFACT_TYPE_COMPONENT_HANDLER); |
| if (!newOwner.getClass().equals(_owner.getClass())) { |
| applyOwner(newOwner); |
| } |
| } |
| _delegate.apply(ctx, comp); |
| } |
| |
| public MetaRuleset createMetaRuleset(Class type) { |
| //We have to create a different meta rule set for dynamic classes |
| //which have weaver instantiation criteria, the original meta rule set |
| //first applies the attributes and then calls BeanPropertyTagRule |
| //that one however caches the current method and does not take into consideration |
| //that classes can be changed on the fly |
| |
| // if (WeavingContext.isDynamic(type)) { |
| MetaRuleset m = new SwitchingMetarulesetImpl(_owner.getTag(), type); |
| // ignore standard component attributes |
| m.ignore("binding").ignore("id"); |
| |
| // add auto wiring for attributes |
| m.addRule(ComponentRule.Instance); |
| |
| // if it's an ActionSource |
| if (ActionSource.class.isAssignableFrom(type)) { |
| m.addRule(ActionSourceRule.Instance); |
| } |
| |
| // if it's a ValueHolder |
| if (ValueHolder.class.isAssignableFrom(type)) { |
| m.addRule(ValueHolderRule.Instance); |
| |
| // if it's an EditableValueHolder |
| if (EditableValueHolder.class.isAssignableFrom(type)) { |
| m.ignore("submittedValue"); |
| m.ignore("valid"); |
| m.addRule(EditableValueHolderRule.Instance); |
| } |
| } |
| |
| return m; |
| //} |
| |
| //return _delegate.createMetaRuleset(type); |
| } |
| } |