https://github.com/jakartaee/faces/issues/1819

Add UUIDConverter

impl/src/main/java/jakarta/faces/convert/UUIDConverter.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package jakarta.faces.convert;
+
+import java.util.UUID;
+
+import jakarta.faces.component.UIComponent;
+import jakarta.faces.context.FacesContext;
+
+/**
+ * <p>
+ * {@link Converter} implementation for <code>java.util.UUID</code> values.
+ * </p>
+ * @since 4.1
+ */
+public class UUIDConverter implements Converter<UUID> {
+
+    // ------------------------------------------------------ Manifest Constants
+
+    /**
+     * <p>
+     * The standard converter id for this converter.
+     * </p>
+     */
+    public static final String CONVERTER_ID = "jakarta.faces.UUID";
+
+    /**
+     * <p>
+     * The message identifier of the {@link jakarta.faces.application.FacesMessage} to be created if the conversion to <code>UUID</code> fails.
+     * The message format string for this message may optionally include the following placeholders:
+     * <ul>
+     * <li><code>{0}</code> replaced by the unconverted value.</li>
+     * <li><code>{1}</code> replaced by an example value.</li>
+     * <li><code>{2}</code> replaced by a <code>String</code> whose value is the label of the input component that produced this message.</li>
+     * </ul>
+     */
+    public static final String UUID_ID = "jakarta.faces.converter.UUIDConverter.UUID";
+
+    /**
+     * <p>
+     * The message identifier of the {@link jakarta.faces.application.FacesMessage} to be created if the conversion of the <code>UUID</code> value to <code>String</code> fails.
+     * The message format string for this message may optionally include the following placeholders:
+     * <ul>
+     * <li><code>{0}</code> relaced by the unconverted value.</li>
+     * <li><code>{1}</code> replaced by a <code>String</code> whose value is the label of the input component that produced this message.</li>
+     * </ul>
+     */
+    public static final String STRING_ID = "jakarta.faces.converter.STRING";
+
+    // ------------------------------------------------------- Converter Methods
+
+    /**
+     * @throws ConverterException {@inheritDoc}
+     * @throws NullPointerException {@inheritDoc}
+     */
+    @Override
+    public UUID getAsObject(FacesContext context, UIComponent component, String value) {
+
+        if (context == null || component == null) {
+            throw new NullPointerException();
+        }
+
+        if (value == null || value.isBlank()) {
+            return null;
+        }
+
+        try {
+            return UUID.fromString(value);
+        } catch (IllegalArgumentException e) {
+            throw new ConverterException(MessageFactory.getMessage(context, UUID_ID, value, "29573f55-4254-4afa-9ca6-6b5ae6c7ab6e", MessageFactory.getLabel(context, component)), e);
+        } catch (Exception e) {
+            throw new ConverterException(e);
+        }
+    }
+
+    /**
+     * @throws ConverterException {@inheritDoc}
+     * @throws NullPointerException {@inheritDoc}
+     */
+    @Override
+    public String getAsString(FacesContext context, UIComponent component, UUID value) {
+
+        if (context == null || component == null) {
+            throw new NullPointerException();
+        }
+
+        if (value == null) {
+            return "";
+        }
+
+        try {
+            return value.toString();
+        } catch (Exception e) {
+            throw new ConverterException(MessageFactory.getMessage(context, STRING_ID, value, MessageFactory.getLabel(context, component)), e);
+        }
+    }
+}

impl/src/main/resources/jakarta/faces/Messages.properties

@@ -65,6 +65,8 @@ jakarta.faces.converter.NumberConverter.PATTERN={2}: ''{0}'' is not a number pat
 jakarta.faces.converter.NumberConverter.PATTERN_detail={2}: ''{0}'' is not a number pattern. Example: {1}
 jakarta.faces.converter.ShortConverter.SHORT={2}: ''{0}'' must be a number consisting of one or more digits.
 jakarta.faces.converter.ShortConverter.SHORT_detail={2}: ''{0}'' must be a number between -32768 and 32767 Example: {1}
+jakarta.faces.converter.UUIDConverter.UUID={2}: ''{0}'' must be a UUID.
+jakarta.faces.converter.UUIDConverter.UUID_detail={2}: ''{0}'' must be a UUID. Example: {1}
 jakarta.faces.converter.STRING={1}: Could not convert ''{0}'' to a string.
 
 
@@ -90,4 +92,3 @@ jakarta.faces.validator.RegexValidator.MATCH_EXCEPTION=Error in regular expressi
 jakarta.faces.validator.RegexValidator.MATCH_EXCEPTION_detail=Error in regular expression, ''{0}''
 jakarta.faces.validator.BeanValidator.MESSAGE={0}
 
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