| /* |
| * 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; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.DocumentFragment; |
| import org.w3c.dom.Node; |
| |
| /** |
| * InsertNodeJXPathBinding provides an implementation of a {@link Binding} |
| * that inserts a clone of some 'template document-fragment' into the target |
| * back-end model upon save. |
| * <p> |
| * NOTES: <ol> |
| * <li>This Binding does not perform any actions when loading.</li> |
| * <li>This expects the back-end model to be an XML file.</li> |
| * </ol> |
| * |
| * @version CVS $Id: InsertNodeJXPathBinding.java,v 1.9 2004/03/05 13:02:27 bdelacretaz Exp $ |
| */ |
| public class InsertNodeJXPathBinding extends JXPathBindingBase { |
| |
| private final DocumentFragment template; |
| |
| /** |
| * Constructs InsertNodeJXPathBinding |
| */ |
| public InsertNodeJXPathBinding(JXPathBindingBuilderBase.CommonAttributes commonAtts, DocumentFragment domTemplate) { |
| super(commonAtts); |
| this.template = domTemplate; |
| } |
| |
| /** |
| * Do-nothing implementation of the interface. |
| */ |
| public void doLoad(Widget frmModel, JXPathContext jxpc) { |
| // doesn't do a thing when loading. |
| } |
| |
| /** |
| * Registers a JXPath Factory on the JXPath Context. |
| * <p> |
| * The factory will inserts a clone of the 'template' DocumentFragment |
| * inside this object into the target objectmodel. |
| */ |
| public void doSave(Widget frmModel, JXPathContext jxpc) { |
| |
| Node parentNode = (Node)jxpc.getContextBean(); |
| Document targetDoc = parentNode.getOwnerDocument(); |
| Node toInsert = targetDoc.importNode(this.template, true); |
| parentNode.appendChild(toInsert); |
| |
| if (getLogger().isDebugEnabled()) |
| getLogger().debug("InsertNode executed."); |
| |
| // jxpc.setFactory(new AbstractFactory() { |
| // public boolean createObject(JXPathContext context, Pointer pointer, |
| // Object parent, String name, int index) { |
| // |
| // Node parentNode = (Node) parent; |
| // Document targetDoc = parentNode.getOwnerDocument(); |
| // Node toInsert = targetDoc.importNode(InsertNodeJXPathBinding.this.template, true); |
| // parentNode.appendChild(toInsert); |
| // |
| // if (getLogger().isDebugEnabled()) |
| // getLogger().debug("InsertNode jxpath factory executed for index." + index); |
| // return true; |
| // } |
| // }); |
| // |
| // if (getLogger().isDebugEnabled()) |
| // getLogger().debug("done registered factory for inserting node -- " + toString()); |
| } |
| |
| public String toString() { |
| return "InsertNodeJXPathBinding [for nested template]"; |
| } |
| } |