cc.xuloo.rcputils.properties.PropertyLabelProvider.java Source code

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Here is the source code for cc.xuloo.rcputils.properties.PropertyLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2008 Ralf Ebert
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Ralf Ebert - initial API and implementation
 *******************************************************************************/
package cc.xuloo.rcputils.properties;

import org.eclipse.jface.viewers.LabelProvider;

/**
 * PropertyLabelProvider is a LabelProvider that gets labels using a nested bean
 * property string like "company.country.name".
 * 
 * @author Ralf Ebert <info@ralfebert.de>
 */
@SuppressWarnings("unchecked")
public class PropertyLabelProvider extends LabelProvider {

    private final IValue valueHandler;
    private IValueFormatter valueFormatter;

    public PropertyLabelProvider(String propertyName) {
        this.valueHandler = new PropertyValue(propertyName);
    }

    public PropertyLabelProvider(IValue valueHandler, IValueFormatter valueFormatter) {
        this.valueHandler = valueHandler;
        this.valueFormatter = valueFormatter;
    }

    @Override
    public String getText(Object element) {
        try {
            Object rawValue = null;
            if (valueHandler != null) {
                rawValue = valueHandler.getValue(element);
                Object formattedValue = rawValue;
                if (valueFormatter != null) {
                    formattedValue = valueFormatter.format(rawValue);
                }
                return String.valueOf(formattedValue);
            }
        } catch (Exception e) {
            //RcpUtilsPlugin.logException(e);
        }
        return "";
    }
}