[richfaces-svn-commits] JBoss Rich Faces SVN: r13812 - trunk/framework/impl/src/main/java/org/ajax4jsf/webapp/taglib.

[richfaces-svn-commits at lists.jboss.org]

Author: nbelaevski
Date: 2009-04-23 20:05:03 -0400 (Thu, 23 Apr 2009)
New Revision: 13812

Added:
   trunk/framework/impl/src/main/java/org/ajax4jsf/webapp/taglib/RowKeyConverterRule.java
Log:
https://jira.jboss.org/jira/browse/RF-6912

Added: trunk/framework/impl/src/main/java/org/ajax4jsf/webapp/taglib/RowKeyConverterRule.java
===================================================================
--- trunk/framework/impl/src/main/java/org/ajax4jsf/webapp/taglib/RowKeyConverterRule.java	                        (rev 0)
+++ trunk/framework/impl/src/main/java/org/ajax4jsf/webapp/taglib/RowKeyConverterRule.java	2009-04-24 00:05:03 UTC (rev 13812)
@@ -0,0 +1,102 @@
+/**
+ * License Agreement.
+ *
+ * Rich Faces - Natural Ajax for Java Server Faces (JSF)
+ *
+ * Copyright (C) 2007 Exadel, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ */
+package org.ajax4jsf.webapp.taglib;
+
+import javax.faces.convert.Converter;
+
+import org.ajax4jsf.component.UIDataAdaptor;
+
+import com.sun.facelets.FaceletContext;
+import com.sun.facelets.tag.MetaRule;
+import com.sun.facelets.tag.Metadata;
+import com.sun.facelets.tag.MetadataTarget;
+import com.sun.facelets.tag.TagAttribute;
+
+/**
+ * Apply rowKeyConverter to component
+ * @author Maksim Kaszynski
+ * @since 3.3.1
+ */
+public class RowKeyConverterRule extends MetaRule {
+
+	static final class DynamicConverterMetaData extends Metadata {
+
+		private final TagAttribute attribute;
+
+		public DynamicConverterMetaData(TagAttribute attribute) {
+			super();
+			this.attribute = attribute;
+		}
+
+		@Override
+		public void applyMetadata(FaceletContext ctx, Object instance) {
+			((UIDataAdaptor) instance).setValueExpression("rowKeyConverter",
+					attribute.getValueExpression(ctx, Converter.class));
+
+		}
+	}
+
+	static final class StaticConverterMetadata extends Metadata {
+
+		private final String converterId;
+
+		public StaticConverterMetadata(String converterId) {
+			super();
+			this.converterId = converterId;
+		}
+
+		@Override
+		public void applyMetadata(FaceletContext ctx, Object instance) {
+			Converter converter = ctx.getFacesContext().getApplication()
+					.createConverter(converterId);
+			((UIDataAdaptor) instance).setRowKeyConverter(converter);
+
+		}
+	}
+
+	public static final RowKeyConverterRule INSTANCE = new RowKeyConverterRule();
+	
+	
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.sun.facelets.tag.MetaRule#applyRule(java.lang.String,
+	 *      com.sun.facelets.tag.TagAttribute,
+	 *      com.sun.facelets.tag.MetadataTarget)
+	 */
+	@Override
+	public Metadata applyRule(String name, TagAttribute attribute,
+			MetadataTarget meta) {
+		
+		if (meta.isTargetInstanceOf(UIDataAdaptor.class)) {
+			if ("rowKeyConverter".equals(name)) {
+				if (attribute.isLiteral()) {
+					return new StaticConverterMetadata(attribute.getValue());
+				} else {
+					return new DynamicConverterMetaData(attribute);
+				}
+			}
+		}
+		
+		return null;
+	}
+
+}