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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.richfaces.view.facelets;
import  javax.faces.convert.Converter;
import  javax.faces.view.facelets.FaceletContext;
import  javax.faces.view.facelets.MetaRule;
import  javax.faces.view.facelets.Metadata;
import  javax.faces.view.facelets.MetadataTarget;
import  javax.faces.view.facelets.TagAttribute;
Apply rowKeyConverter to component

Author(s):
Maksim Kaszynski
Since:
3.3.1
public class RowKeyConverterRule extends MetaRule {
    public static final RowKeyConverterRule INSTANCE = new RowKeyConverterRule();
    @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;
    }
    static final class DynamicConverterMetaData extends Metadata {
        private final TagAttribute attribute;
        public DynamicConverterMetaData(TagAttribute attribute) {
            super();
            this. = attribute;
        }
        @Override
        public void applyMetadata(FaceletContext ctxObject instance) {
            ((UIDataAdaptorinstance)
                .setValueExpression("rowKeyConverter".getValueExpression(ctx, Converter.class));
        }
    }
    static final class StaticConverterMetadata extends Metadata {
        private final String converterId;
        public StaticConverterMetadata(String converterId) {
            super();
            this. = converterId;
        }
        @Override
        public void applyMetadata(FaceletContext ctxObject instance) {
            Converter converter = ctx.getFacesContext().getApplication().createConverter();
            ((UIDataAdaptorinstance).setRowKeyConverter(converter);
        }
    }
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