001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041: package com.sun.rave.web.ui.component.util.handlers;
042:
043: import com.sun.rave.web.ui.component.util.event.HandlerContext;
044: import com.sun.rave.web.ui.component.util.event.HandlerDefinition;
045:
046: import java.util.List;
047:
048: import javax.faces.component.UIComponent;
049: import javax.faces.context.FacesContext;
050:
051: /**
052: * <p> This class contains {@link com.sun.rave.web.ui.component.util.event.Handler}
053: * methods that perform component functions.</p>
054: *
055: * @author Ken Paulsen (ken.paulsen@sun.com)
056: */
057: public class ComponentHandlers {
058:
059: /**
060: * <p> Default Constructor.</p>
061: */
062: public ComponentHandlers() {
063: }
064:
065: /**
066: * <p> This handler returns the children of the given
067: * <code>UIComponent</code>.</p>
068: *
069: * <p> Input value: "parent" -- Type: <code>UIComponent</code></p>
070: *
071: * <p> Output value: "children" -- Type: <code>java.util.List</code></p>
072: * <p> Output value: "size" -- Type: <code>java.lang.Integer</code></p>
073: *
074: * @param context The HandlerContext.
075: */
076: public void getChildren(HandlerContext context) {
077: UIComponent parent = (UIComponent) context
078: .getInputValue("parent");
079: List list = parent.getChildren();
080: context.setOutputValue("children", list);
081: context.setOutputValue("size", new Integer(list.size()));
082: }
083:
084: /**
085: * <p> This handler sets a <code>UIComponent</code> attribute /
086: * property.</p>
087: *
088: * <p> Input value: "component" -- Type: <code>UIComponent</code></p>
089: * <p> Input value: "property" -- Type: <code>String</code></p>
090: * <p> Input value: "value" -- Type: <code>Object</code></p>
091: *
092: * @param context The HandlerContext.
093: */
094: public void setComponentProperty(HandlerContext context) {
095: UIComponent component = (UIComponent) context
096: .getInputValue("component");
097: String propName = (String) context.getInputValue("property");
098: Object value = context.getInputValue("value");
099:
100: // Set the attribute or property value
101: component.getAttributes().put(propName, value);
102: }
103: }
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