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; + } + +}