/*
* 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.cocoon.forms.binding;
import org.apache.cocoon.forms.formmodel.Group;
import org.apache.cocoon.forms.formmodel.Widget;
import org.apache.commons.jxpath.JXPathContext;
/**
* GroupJXPathBinding provides an implementation of a {@link Binding}
* that narrows the context towards provided childbindings.
* <p>
* NOTES: <ol>
* <li>This Binding assumes that the provided widget-id points to a widget
* that contains other widgets.</li>
* </ol>
*
* @version $Id: GroupJXPathBinding.java 450256 2006-09-26 23:51:18Z vgritsenko $
*/
public class GroupJXPathBinding extends ContextJXPathBinding {
private final String widgetId;
/**
* Constructs GroupJXPathBinding
* @param widgetId
* @param xpath
* @param childBindings
*/
public GroupJXPathBinding(JXPathBindingBuilderBase.CommonAttributes commonAtts,
String widgetId,
String xpath,
JXPathBindingBase[] childBindings) {
super(commonAtts, xpath, childBindings);
this.widgetId = widgetId;
}
public String getId() { return 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 {
Group groupWidget = (Group)selectWidget(frmModel, this.widgetId);
super.doLoad(groupWidget, 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 {
Group groupWidget = (Group)selectWidget(frmModel, this.widgetId);
super.doSave(groupWidget, jxpc);
}
public String toString() {
return "GroupJXPathBinding [widget=" + this.widgetId + ", xpath=" + getXPath() + "]";
}
}