com.premiumminds.webapp.wicket.FormatLabel Maven / Gradle / Ivy

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/**
 * Copyright (C) 2014 Premium Minds.
 *
 * This file is part of pm-wicket-utils.
 *
 * pm-wicket-utils is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * pm-wicket-utils 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 pm-wicket-utils. If not, see .
 */
package com.premiumminds.webapp.wicket;

import java.text.MessageFormat;
import java.util.Locale;

import org.apache.commons.beanutils.ConversionException;
import org.apache.wicket.IGenericComponent;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.model.IModel;
import org.apache.wicket.util.convert.IConverter;

public class FormatLabel extends Label implements IGenericComponent {
	private static final long serialVersionUID = 9039206115545313591L;
	
	public FormatLabel(String id, IModel model) {
		super(id, model);
	}
	
	public FormatLabel(String id){
		super(id);
	}
	
	@Override
	public  IConverter getConverter(Class type) {
		return new CustomConverter();
	}

	private class CustomConverter implements IConverter{

		private static final long serialVersionUID = 6258191476048316073L;

		@Override
		public C convertToObject(String value, Locale locale) throws ConversionException {
			throw new ConversionException(value);
		}

		@Override
		public String convertToString(C value, Locale locale) {
			if(getDefaultModel()==null){
				throw new RuntimeException("Model can't be null on label "+getPageRelativePath());
			}
			String format = getString("format", getDefaultModel());
			MessageFormat messageFormat = new MessageFormat(format, getSession().getLocale());
			
			return messageFormat.format(new Object[]{getDefaultModelObject()});
		}
	}
	
	@SuppressWarnings("unchecked")
	public IModel getModel() {
		return (IModel) getDefaultModel();
	}

	public void setModel(IModel model) {
		setDefaultModel(model);
	}

	public void setModelObject(T object) {
		setDefaultModelObject(object);
	}

	public T getModelObject() {
		return getModel().getObject();
	}
}