Source Code Cross Referenced for GroupJXPathBinding.java in  » Content-Management-System » apache-lenya-2.0 » org » apache » cocoon » forms » binding » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.forms.binding 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /*
02:         * Licensed to the Apache Software Foundation (ASF) under one or more
03:         * contributor license agreements.  See the NOTICE file distributed with
04:         * this work for additional information regarding copyright ownership.
05:         * The ASF licenses this file to You under the Apache License, Version 2.0
06:         * (the "License"); you may not use this file except in compliance with
07:         * the License.  You may obtain a copy of the License at
08:         *
09:         *      http://www.apache.org/licenses/LICENSE-2.0
10:         *
11:         * Unless required by applicable law or agreed to in writing, software
12:         * distributed under the License is distributed on an "AS IS" BASIS,
13:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14:         * See the License for the specific language governing permissions and
15:         * limitations under the License.
16:         */
17:        package org.apache.cocoon.forms.binding;
18:
19:        import org.apache.cocoon.forms.formmodel.Group;
20:        import org.apache.cocoon.forms.formmodel.Widget;
21:
22:        import org.apache.commons.jxpath.JXPathContext;
23:
24:        /**
25:         * GroupJXPathBinding provides an implementation of a {@link Binding}
26:         * that narrows the context towards provided childbindings.
27:         * <p>
28:         * NOTES: <ol>
29:         * <li>This Binding assumes that the provided widget-id points to a widget
30:         * that contains other widgets.</li>
31:         * </ol>
32:         *
33:         * @version $Id: GroupJXPathBinding.java 450256 2006-09-26 23:51:18Z vgritsenko $
34:         */
35:        public class GroupJXPathBinding extends ContextJXPathBinding {
36:
37:            private final String widgetId;
38:
39:            /**
40:             * Constructs GroupJXPathBinding
41:             * @param widgetId
42:             * @param xpath
43:             * @param childBindings
44:             */
45:            public GroupJXPathBinding(
46:                    JXPathBindingBuilderBase.CommonAttributes commonAtts,
47:                    String widgetId, String xpath,
48:                    JXPathBindingBase[] childBindings) {
49:                super (commonAtts, xpath, childBindings);
50:                this .widgetId = widgetId;
51:            }
52:
53:            public String getId() {
54:                return widgetId;
55:            }
56:
57:            /**
58:             * Narrows the scope on the form-model to the member widget-field, and
59:             * narrows the scope on the object-model to the member xpath-context
60:             * before continuing the binding over the child-bindings.
61:             */
62:            public void doLoad(Widget frmModel, JXPathContext jxpc)
63:                    throws BindingException {
64:                Group groupWidget = (Group) selectWidget(frmModel,
65:                        this .widgetId);
66:                super .doLoad(groupWidget, jxpc);
67:            }
68:
69:            /**
70:             * Narrows the scope on the form-model to the member widget-field, and
71:             * narrows the scope on the object-model to the member xpath-context
72:             * before continuing the binding over the child-bindings.
73:             */
74:            public void doSave(Widget frmModel, JXPathContext jxpc)
75:                    throws BindingException {
76:                Group groupWidget = (Group) selectWidget(frmModel,
77:                        this .widgetId);
78:                super .doSave(groupWidget, jxpc);
79:            }
80:
81:            public String toString() {
82:                return "GroupJXPathBinding [widget=" + this .widgetId
83:                        + ", xpath=" + getXPath() + "]";
84:            }
85:        }
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