1 /* 2 * $Id: BaseComponent.java 471754 2006-11-06 14:55:09Z husted $ 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 package org.apache.struts.faces.component; 23 24 25 import javax.faces.component.UIOutput; 26 import javax.faces.context.FacesContext; 27 import javax.faces.el.ValueBinding; 28 29 30 /** 31 * <p>Custom component that replaces the Struts 32 * <code><html:base></code> tag.</p> 33 */ 34 35 public class BaseComponent extends UIOutput { 36 37 38 // ------------------------------------------------------------ Constructors 39 40 41 /** 42 * <p>Create a new {@link BaseComponent} with default properties.</p> 43 */ 44 public BaseComponent() { 45 46 super(); 47 setRendererType("org.apache.struts.faces.Base"); 48 49 } 50 51 52 // ------------------------------------------------------ Instance Variables 53 54 55 /** 56 * <p>Target frame.</p> 57 */ 58 private String target = null; 59 60 61 // ---------------------------------------------------- Component Properties 62 63 64 /** 65 * <p>Return the component family to which this component belongs.</p> 66 */ 67 public String getFamily() { 68 69 return "org.apache.struts.faces.Base"; 70 71 } 72 73 74 /** 75 * <p>Return the target frame.</p> 76 */ 77 public String getTarget() { 78 79 ValueBinding vb = getValueBinding("target"); 80 if (vb != null) { 81 return (String) vb.getValue(getFacesContext()); 82 } else { 83 return target; 84 } 85 86 } 87 88 89 /** 90 * <p>Set the target frame.</p> 91 * 92 * @param target The new target frame 93 */ 94 public void setTarget(String target) { 95 96 this.target = target; 97 98 } 99 100 101 // ---------------------------------------------------- StateManager Methods 102 103 104 /** 105 * <p>Restore the state of this component.</p> 106 * 107 * @param context <code>FacesContext</code> for the current request 108 * @param state State object from which to restore our state 109 */ 110 public void restoreState(FacesContext context, Object state) { 111 112 Object values[] = (Object[]) state; 113 super.restoreState(context, values[0]); 114 target = (String) values[1]; 115 116 } 117 118 119 /** 120 * <p>Save the state of this component.</p> 121 * 122 * @param context <code>FacesContext</code> for the current request 123 */ 124 public Object saveState(FacesContext context) { 125 126 Object values[] = new Object[2]; 127 values[0] = super.saveState(context); 128 values[1] = target; 129 return values; 130 131 } 132 133 134 }