localeselectionmodel.java

Tapestry的一个练习例子

package com.ttdev.i18n;

import java.util.List;
import java.util.Locale;

import org.apache.tapestry.form.IPropertySelectionModel;

public class LocaleSelectionModel implements IPropertySelectionModel {
	private List locales;

	public LocaleSelectionModel(List locales) {
		this.locales = locales;
	}

	public int getOptionCount() {
		return locales.size();
	}

	public Object getOption(int index) {
		return getLocale(index);
	}

	public String getLabel(int index) {
		return getLocale(index).getDisplayName(getLocale(index));
	}

	public String getValue(int index) {
		return Integer.toString(index);
	}

	public Object translateValue(String value) {
		return getLocale(Integer.parseInt(value));
	}

	private Locale getLocale(int index) {
		return (Locale) locales.get(index);
	}
}