Coverage Report - org.apache.myfaces.shared_impl.taglib.UIComponentTagUtils
 
Classes in this File Line Coverage Branch Coverage Complexity
UIComponentTagUtils
0%
0/105
0%
0/64
3.846
 
 1  
 /*
 2  
  *  Licensed to the Apache Software Foundation (ASF) under one
 3  
  *  or more contributor license agreements.  See the NOTICE file
 4  
  *  distributed with this work for additional information
 5  
  *  regarding copyright ownership.  The ASF licenses this file
 6  
  *  to you under the Apache License, Version 2.0 (the
 7  
  *  "License"); you may not use this file except in compliance
 8  
  *  with the License.  You may obtain a copy of the License at
 9  
  * 
 10  
  *  http://www.apache.org/licenses/LICENSE-2.0
 11  
  * 
 12  
  *  Unless required by applicable law or agreed to in writing,
 13  
  *  software distributed under the License is distributed on an
 14  
  *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 15  
  *  KIND, either express or implied.  See the License for the
 16  
  *  specific language governing permissions and limitations
 17  
  *  under the License.
 18  
  */
 19  
 package org.apache.myfaces.shared_impl.taglib;
 20  
 
 21  
 import org.apache.myfaces.shared_impl.el.SimpleActionMethodBinding;
 22  
 
 23  
 import org.apache.commons.logging.Log;
 24  
 import org.apache.commons.logging.LogFactory;
 25  
 
 26  
 import javax.faces.component.*;
 27  
 import javax.faces.context.FacesContext;
 28  
 import javax.faces.convert.Converter;
 29  
 import javax.faces.el.MethodBinding;
 30  
 import javax.faces.el.ValueBinding;
 31  
 import javax.faces.event.ActionEvent;
 32  
 import javax.faces.event.ValueChangeEvent;
 33  
 import javax.faces.webapp.UIComponentTag;
 34  
 
 35  
 /**
 36  
  * @author Manfred Geiler (latest modification by $Author: matzew $)
 37  
  * @version $Revision: 557350 $ $Date: 2007-07-18 13:19:50 -0500 (Wed, 18 Jul 2007) $
 38  
  *
 39  
  * @deprecated replaced by @{link UIComponentELTagUtils}
 40  
  */
 41  
 public class UIComponentTagUtils
 42  
 {
 43  0
     private static final Log log = LogFactory.getLog(UIComponentTagUtils.class);
 44  
 
 45  0
     private static final Class[] VALIDATOR_ARGS = {FacesContext.class,
 46  
                                                    UIComponent.class,
 47  
                                                    Object.class};
 48  0
     private static final Class[] ACTION_LISTENER_ARGS = {ActionEvent.class};
 49  0
     private static final Class[] VALUE_LISTENER_ARGS = {ValueChangeEvent.class};
 50  
 
 51  0
     private UIComponentTagUtils() {}    //util class, no instantiation allowed
 52  
 
 53  
 
 54  
     public static boolean isValueReference(String v)
 55  
     {
 56  0
         return UIComponentTag.isValueReference(v);
 57  
     }
 58  
 
 59  
 
 60  
     public static void setIntegerProperty(FacesContext context,
 61  
                                           UIComponent component,
 62  
                                           String propName,
 63  
                                           String value)
 64  
     {
 65  0
         if (value != null)
 66  
         {
 67  0
             if (isValueReference(value))
 68  
             {
 69  0
                 ValueBinding vb = context.getApplication().createValueBinding(value);
 70  0
                 component.setValueBinding(propName, vb);
 71  0
             }
 72  
             else
 73  
             {
 74  
                 //FIXME: should use converter maybe?
 75  0
                 component.getAttributes().put(propName, Integer.valueOf(value));
 76  
             }
 77  
         }
 78  0
     }
 79  
 
 80  
     public static void setLongProperty(FacesContext context,
 81  
                                        UIComponent component,
 82  
                                        String propName,
 83  
                                        String value)
 84  
     {
 85  0
         if (value != null)
 86  
         {
 87  0
             if (isValueReference(value))
 88  
             {
 89  0
                 ValueBinding vb = context.getApplication().createValueBinding(value);
 90  0
                 component.setValueBinding(propName, vb);
 91  0
             }
 92  
             else
 93  
             {
 94  
                 //FIXME: should use converter maybe?
 95  0
                 component.getAttributes().put(propName, Long.valueOf(value));
 96  
             }
 97  
         }
 98  0
     }
 99  
 
 100  
     public static void setStringProperty(FacesContext context,
 101  
                                      UIComponent component,
 102  
                                      String propName,
 103  
                                      String value)
 104  
     {
 105  0
         if (value != null)
 106  
         {
 107  0
             if (isValueReference(value))
 108  
             {
 109  0
                 ValueBinding vb = context.getApplication().createValueBinding(value);
 110  0
                 component.setValueBinding(propName, vb);
 111  0
             }
 112  
             else
 113  
             {
 114  
                 //TODO: Warning if component has no such property (with reflection)
 115  0
                 component.getAttributes().put(propName, value);
 116  
             }
 117  
         }
 118  0
     }
 119  
 
 120  
 
 121  
     public static void setBooleanProperty(FacesContext context,
 122  
                                       UIComponent component,
 123  
                                       String propName,
 124  
                                       String value)
 125  
     {
 126  0
         if (value != null)
 127  
         {
 128  0
             if (isValueReference(value))
 129  
             {
 130  0
                 ValueBinding vb = context.getApplication().createValueBinding(value);
 131  0
                 component.setValueBinding(propName, vb);
 132  0
             }
 133  
             else
 134  
             {
 135  
                 //TODO: More sophisticated way to convert boolean value (yes/no, 1/0, on/off, etc.)
 136  0
                 component.getAttributes().put(propName, Boolean.valueOf(value));
 137  
             }
 138  
         }
 139  0
     }
 140  
 
 141  
 
 142  
     public static void setValueProperty(FacesContext context,
 143  
                                         UIComponent component,
 144  
                                         String value)
 145  
     {
 146  0
         if (value != null)
 147  
         {
 148  0
             if (isValueReference(value))
 149  
             {
 150  0
                 ValueBinding vb = context.getApplication().createValueBinding(value);
 151  0
                 component.setValueBinding(org.apache.myfaces.shared_impl.renderkit.JSFAttr.VALUE_ATTR, vb);
 152  0
             }
 153  0
             else if (component instanceof UICommand)
 154  
             {
 155  0
                 ((UICommand)component).setValue(value);
 156  
             }
 157  0
             else if (component instanceof UIParameter)
 158  
             {
 159  0
                 ((UIParameter)component).setValue(value);
 160  
             }
 161  0
             else if (component instanceof UISelectBoolean)
 162  
             {
 163  0
                 ((UISelectBoolean)component).setValue(Boolean.valueOf(value));
 164  
             }
 165  0
             else if (component instanceof UIGraphic)
 166  
             {
 167  0
                 ((UIGraphic)component).setValue(value);
 168  
             }
 169  
             //Since many input components are ValueHolders the special components
 170  
             //must come first, ValueHolder is the last resort.
 171  0
             else if (component instanceof ValueHolder)
 172  
             {
 173  0
                 ((ValueHolder)component).setValue(value);
 174  
             }
 175  
             else
 176  
             {
 177  0
                 log.error("Component " + component.getClass().getName() + " is no ValueHolder, cannot set value.");
 178  
             }
 179  
         }
 180  0
     }
 181  
 
 182  
 
 183  
     public static void setConverterProperty(FacesContext context,
 184  
                                         UIComponent component,
 185  
                                         String value)
 186  
     {
 187  0
         if (value != null)
 188  
         {
 189  0
             if (component instanceof ValueHolder)
 190  
             {
 191  0
                 if (isValueReference(value))
 192  
                 {
 193  0
                     ValueBinding vb = context.getApplication().createValueBinding(value);
 194  0
                     component.setValueBinding(org.apache.myfaces.shared_impl.renderkit.JSFAttr.CONVERTER_ATTR, vb);
 195  0
                 }
 196  
                 else
 197  
                 {
 198  0
                     FacesContext facesContext = FacesContext.getCurrentInstance();
 199  0
                     Converter converter = facesContext.getApplication().createConverter(value);
 200  0
                     ((ValueHolder)component).setConverter(converter);
 201  0
                 }
 202  
             }
 203  
             else
 204  
             {
 205  0
                 log.error("Component " + component.getClass().getName() + " is no ValueHolder, cannot set value.");
 206  
             }
 207  
         }
 208  0
     }
 209  
 
 210  
 
 211  
     public static void setValidatorProperty(FacesContext context,
 212  
                                             UIComponent component,
 213  
                                             String validator)
 214  
     {
 215  0
         if (validator != null)
 216  
         {
 217  0
             if (!(component instanceof EditableValueHolder))
 218  
             {
 219  0
                 throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no EditableValueHolder");
 220  
             }
 221  0
             if (isValueReference(validator))
 222  
             {
 223  0
                 MethodBinding mb = context.getApplication().createMethodBinding(validator,
 224  
                                                                                 VALIDATOR_ARGS);
 225  0
                 ((EditableValueHolder)component).setValidator(mb);
 226  0
             }
 227  
             else
 228  
             {
 229  0
                 log.error("Component " + component.getClientId(context) + " has invalid validation expression " + validator);
 230  
             }
 231  
         }
 232  0
     }
 233  
 
 234  
     public static void setValueBinding(FacesContext context,
 235  
                                        UIComponent component,
 236  
                                        String propName,
 237  
                                        String value)
 238  
     {
 239  0
         if (value != null)
 240  
         {
 241  0
             if (isValueReference(value))
 242  
             {
 243  0
                 ValueBinding vb = context.getApplication().createValueBinding(value);
 244  0
                 component.setValueBinding(propName, vb);
 245  0
             }
 246  
             else
 247  
             {
 248  0
                 throw new IllegalArgumentException("Component " + component.getClientId(context) + " attribute " + propName + " must be a value reference, was " + value);
 249  
             }
 250  
         }
 251  0
     }
 252  
 
 253  
     public static void setActionProperty(FacesContext context,
 254  
                                          UIComponent component,
 255  
                                          String action)
 256  
     {
 257  0
         if (action != null)
 258  
         {
 259  0
             if (!(component instanceof ActionSource))
 260  
             {
 261  0
                 throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no ActionSource");
 262  
             }
 263  
             MethodBinding mb;
 264  0
             if (isValueReference(action))
 265  
             {
 266  0
                 mb = context.getApplication().createMethodBinding(action, null);
 267  
             }
 268  
             else
 269  
             {
 270  0
                 mb = new SimpleActionMethodBinding(action);
 271  
             }
 272  0
             ((ActionSource)component).setAction(mb);
 273  
         }
 274  0
     }
 275  
 
 276  
     public static void setActionListenerProperty(FacesContext context,
 277  
                                                  UIComponent component,
 278  
                                                  String actionListener)
 279  
     {
 280  0
         if (actionListener != null)
 281  
         {
 282  0
             if (!(component instanceof ActionSource))
 283  
             {
 284  0
                 throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no ActionSource");
 285  
             }
 286  0
             if (isValueReference(actionListener))
 287  
             {
 288  0
                 MethodBinding mb = context.getApplication().createMethodBinding(actionListener,
 289  
                                                                                 ACTION_LISTENER_ARGS);
 290  
 
 291  
                 /**
 292  
                 if(! Void.class.equals(mb.getType(context)))
 293  
                 {
 294  
                     throw new IllegalArgumentException(
 295  
                             actionListener +
 296  
                             " : Return types for action listeners must be void, see JSF spec. 3.2.1.1");
 297  
                 }
 298  
                 */
 299  
 
 300  0
                 ((ActionSource)component).setActionListener(mb);
 301  0
             }
 302  
             else
 303  
             {
 304  0
                 log.error("Component " + component.getClientId(context) + " has invalid actionListener value: " + actionListener);
 305  
             }
 306  
         }
 307  0
     }
 308  
 
 309  
     public static void setValueChangedListenerProperty(FacesContext context,
 310  
                                                        UIComponent component,
 311  
                                                        String valueChangedListener)
 312  
     {
 313  0
         if (valueChangedListener != null)
 314  
         {
 315  0
             if (!(component instanceof EditableValueHolder))
 316  
             {
 317  0
                 throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no EditableValueHolder");
 318  
             }
 319  0
             if (isValueReference(valueChangedListener))
 320  
             {
 321  0
                 MethodBinding mb = context.getApplication().createMethodBinding(valueChangedListener,
 322  
                                                                                 VALUE_LISTENER_ARGS);
 323  
                 /**
 324  
                 if(! Void.class.equals(mb.getType(context)))
 325  
                 {
 326  
                     throw new IllegalArgumentException(
 327  
                             valueChangedListener +
 328  
                             " : Return types for value change listeners must be void, see JSF spec. 3.2.5.1");
 329  
                 }
 330  
                 */
 331  
 
 332  0
                 ((EditableValueHolder)component).setValueChangeListener(mb);
 333  0
             }
 334  
             else
 335  
             {
 336  0
                 log.error("Component " + component.getClientId(context) + " has invalid valueChangedListener expression " + valueChangedListener);
 337  
             }
 338  
         }
 339  0
     }
 340  
 
 341  
 }