To manually switch the locale:

public final class MyPage extends WebPage {

	...

	add(new Link("languageSwitch") {

		@Override
		public final void onClick() {
			Locale locale = new Locale(MyPage.this.getString("header.versionLanguage"));
			this.getSession().setLocale(locale);
		}

	});

	...

}
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1 Comment

  1. Herman Suijs

    I've created a LocaleLink which you can add to your page. It will not show if it is the current Locale

    import java.util.Locale;

import org.apache.wicket.markup.html.link.Link;

/**
 * @author Herman Suijs
 */
public final class LocaleLink extends Link
{
    /**
     * Dummy serial version uid.
     */
    private static final long serialVersionUID = 1L;

    /**
     * Locale for this link.
     */
    private final Locale      locale;

    /**
     * Constructor for a new LocaleLink.
     * 
     * @param wicketId Id of wicket component
     * @param localeString Locale to switch to
     */
    public LocaleLink(final String wicketId, final String localeString)
    {
        super(wicketId);
        this.locale = new Locale(localeString);
    }

    /**
     * Constructor with locale.
     * 
     * @param wicketId Id of wicket component
     * @param locale Locale to switch to
     */
    public LocaleLink(final String wicketId, final Locale locale)
    {
        super(wicketId);
        this.locale = locale;
    }

    /**
     * On click of a user.
     */
    @Override
    public void onClick()
    {
        this.getSession().setLocale(this.locale);
    }

    /**
     * Determine if visible.
     * 
     * @return True if locale for component is different from locale in session.
     */
    @Override
    public boolean isVisible()
    {
        return !this.getSession().getLocale().equals(this.locale);
    }
}