EmailLink.java

package fr.openwide.core.wicket.markup.html.link;

import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.link.AbstractLink;
import org.apache.wicket.model.IModel;

public class EmailLink extends AbstractLink {

	private static final long serialVersionUID = 6275214385143438381L;

	private static final String MAILTO_PREFIX = "mailto:";

	public EmailLink(String id, IModel<String> emailAddressModel) {
		this(id, emailAddressModel, emailAddressModel);
	}

	public EmailLink(String id, IModel<String> emailAddressModel, IModel<String> bodyModel) {
		super(id, emailAddressModel);
		setBody(bodyModel);
	}

	@Override
	protected void onComponentTag(ComponentTag tag) {
		super.onComponentTag(tag);
		
		if (isEnabledInHierarchy() == false) {
			disableLink(tag);
		} else if (getDefaultModel() != null) {
			Object hrefValue = getDefaultModelObject();
			if (hrefValue != null) {
				String url = MAILTO_PREFIX + hrefValue.toString();
				
				// if the tag is an anchor proper
				if (tag.getName().equalsIgnoreCase("a") || tag.getName().equalsIgnoreCase("link")
						|| tag.getName().equalsIgnoreCase("area")) {
					// generate the href attribute
					tag.put("href", url);
				}
			}
		}
	}

}