| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.cocoon.woody.binding; |
| |
| import org.apache.cocoon.woody.formmodel.Widget; |
| import org.apache.commons.jxpath.JXPathContext; |
| |
| /** |
| * NewJXPathBinding provides an implementation of a {@link Binding} |
| * that references a class of bindings. |
| * <p> |
| * NOTES: <ol> |
| * <li>This Binding assumes that the provided widget-id points to a |
| * class that contains other widgets.</li> |
| * </ol> |
| * |
| * @author Timothy Larson |
| * @version CVS $Id: NewJXPathBinding.java,v 1.6 2004/03/05 13:02:27 bdelacretaz Exp $ |
| */ |
| public class NewJXPathBinding extends ComposedJXPathBindingBase { |
| |
| private final String widgetId; |
| |
| private Binding classBinding; |
| |
| /** |
| * Constructs NewJXPathBinding |
| * @param commonAtts |
| * @param widgetId |
| * @param childBindings |
| */ |
| public NewJXPathBinding(JXPathBindingBuilderBase.CommonAttributes commonAtts, String widgetId, JXPathBindingBase[] childBindings) { |
| super(commonAtts, childBindings); |
| this.widgetId = widgetId; |
| this.classBinding = null; |
| } |
| |
| private void resolve() { |
| classBinding = getClass(widgetId); |
| } |
| |
| /** |
| * Narrows the scope on the form-model to the member widget-field, and |
| * narrows the scope on the object-model to the member xpath-context |
| * before continuing the binding over the child-bindings. |
| */ |
| public void doLoad(Widget frmModel, JXPathContext jxpc) throws BindingException { |
| if (classBinding == null) |
| resolve(); |
| if (classBinding instanceof ClassJXPathBinding) { |
| Binding[] subBindings = ((ComposedJXPathBindingBase)classBinding).getChildBindings(); |
| if (subBindings != null) { |
| int size = subBindings.length; |
| for (int i = 0; i < size; i++) { |
| subBindings[i].loadFormFromModel(frmModel, jxpc); |
| } |
| } |
| } else { |
| classBinding.loadFormFromModel(frmModel, jxpc); |
| } |
| } |
| |
| /** |
| * Narrows the scope on the form-model to the member widget-field, and |
| * narrows the scope on the object-model to the member xpath-context |
| * before continuing the binding over the child-bindings. |
| */ |
| public void doSave(Widget frmModel, JXPathContext jxpc) throws BindingException { |
| if (classBinding == null) |
| resolve(); |
| if (classBinding instanceof ClassJXPathBinding) { |
| Binding[] subBindings = ((ComposedJXPathBindingBase)classBinding).getChildBindings(); |
| if (subBindings != null) { |
| int size = subBindings.length; |
| for (int i = 0; i < size; i++) { |
| subBindings[i].saveFormToModel(frmModel, jxpc); |
| } |
| } |
| } else { |
| classBinding.saveFormToModel(frmModel, jxpc); |
| } |
| } |
| |
| public String toString() { |
| return "NewJXPathBinding [widget=" + this.widgetId + "]"; |
| } |
| } |