svn commit: r752335 - /myfaces/core/branches/2_0_0/api/src/main/java/javax/faces/validator/RequiredValidator.java

[lu...@apache.org]

Author: lu4242
Date: Wed Mar 11 01:06:35 2009
New Revision: 752335

URL: http://svn.apache.org/viewvc?rev=752335&view=rev
Log:
MYFACES-2163 Add RequiredValidator

Added:
    myfaces/core/branches/2_0_0/api/src/main/java/javax/faces/validator/RequiredValidator.java   (with props)

Added: myfaces/core/branches/2_0_0/api/src/main/java/javax/faces/validator/RequiredValidator.java
URL: http://svn.apache.org/viewvc/myfaces/core/branches/2_0_0/api/src/main/java/javax/faces/validator/RequiredValidator.java?rev=752335&view=auto
==============================================================================
--- myfaces/core/branches/2_0_0/api/src/main/java/javax/faces/validator/RequiredValidator.java (added)
+++ myfaces/core/branches/2_0_0/api/src/main/java/javax/faces/validator/RequiredValidator.java Wed Mar 11 01:06:35 2009
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 javax.faces.validator;
+
+import javax.faces.application.FacesMessage;
+import javax.faces.component.UIComponent;
+import javax.faces.component.UIInput;
+import javax.faces.context.FacesContext;
+
+import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFJspProperty;
+import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFValidator;
+
+/**
+ * Check if a value is empty, in the same way as set UIInput required 
+ * property to true (including all rules related to this property).
+ * 
+ * @author Leonardo Uribe (latest modification by $Author$)
+ * @version $Revision$ $Date$
+ * @since 2.0
+ */
+@JSFValidator(name = "f:validateRequired",
+        bodyContent = "empty", 
+        tagClass = "org.apache.myfaces.taglib.core.ValidateRequiredTag")
+@JSFJspProperty(name = "binding", 
+        returnType = "javax.faces.validator.RequiredValidator",
+        longDesc = "A ValueExpression that evaluates to a RequiredValidator.")
+public class RequiredValidator implements Validator
+{
+
+    // FIELDS
+    public static final String VALIDATOR_ID = "javax.faces.Required";
+
+    // CONSTRUCTORS    
+    public RequiredValidator()
+    {
+    }
+
+    // VALIDATE
+    public void validate(FacesContext facesContext, UIComponent uiComponent,
+            Object value) throws ValidatorException
+    {
+        if (facesContext == null)
+            throw new NullPointerException("facesContext");
+        if (uiComponent == null)
+            throw new NullPointerException("uiComponent");
+
+        //Check if the value is empty like UIInput.validateValue
+        boolean empty = value == null
+                || (value instanceof String && ((String) value).length() == 0);
+
+        if (empty)
+        {
+            if (uiComponent instanceof UIInput)
+            {
+                UIInput uiInput = (UIInput) uiComponent;
+                if (uiInput.getRequiredMessage() != null)
+                {
+                    String requiredMessage = uiInput.getRequiredMessage();
+                    throw new ValidatorException(new FacesMessage(
+                            FacesMessage.SEVERITY_ERROR, requiredMessage,
+                            requiredMessage));
+                }
+            }
+            throw new ValidatorException(_MessageUtils.getMessage(facesContext,
+                    facesContext.getViewRoot().getLocale(),
+                    FacesMessage.SEVERITY_ERROR, UIInput.REQUIRED_MESSAGE_ID,
+                    new Object[] { _MessageUtils.getLabel(facesContext,
+                            uiComponent) }));
+        }
+    }
+}

Propchange: myfaces/core/branches/2_0_0/api/src/main/java/javax/faces/validator/RequiredValidator.java
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Propchange: myfaces/core/branches/2_0_0/api/src/main/java/javax/faces/validator/RequiredValidator.java
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