How to use

setId

method

in

org.apache.wicket.markup.head.JavaScriptUrlReferenceHeaderItem

/**
 * Creates a new {@code JavaScriptUrlReferenceHeaderItem}.
 * 
 * @param url
 *            context-relative url of the the javascript resource
 * @param id
 *            id that will be used to filter duplicate reference (it's still filtered by URL
 *            too)
 * @param defer
 *            specifies that the execution of a script should be deferred (delayed) until after
 *            the page has been loaded.
 * @param charset
 *            a non null value specifies the charset attribute of the script tag
 * @param condition
 *            the condition to use for Internet Explorer conditional comments. E.g. "IE 7".
 */
public JavaScriptUrlReferenceHeaderItem(String url, String id, boolean defer, String charset,
  String condition)
{
  super(condition, defer, charset);
  this.url = url;
  setId(id);
}

/**
 * Creates a new {@code JavaScriptUrlReferenceHeaderItem}.
 * 
 * @param url
 *            context-relative url of the the javascript resource
 * @param id
 *            id that will be used to filter duplicate reference (it's still filtered by URL
 *            too)
 * @param defer
 *            specifies that the execution of a script should be deferred (delayed) until after
 *            the page has been loaded.
 * @param charset
 *            a non null value specifies the charset attribute of the script tag
 * @param condition
 *            the condition to use for Internet Explorer conditional comments. E.g. "IE 7".
 */
public JavaScriptUrlReferenceHeaderItem(String url, String id, boolean defer, String charset,
  String condition)
{
  super(condition, defer, charset);
  this.url = url;
  setId(id);
}