Examples with ActionContextBase org.apache.struts.chain.contexts.ActionContextBase used on opensource projects

Example 1 with ActionContextBase

use of org.apache.struts.chain.contexts.ActionContextBase in project sonarqube by SonarSource.

the class CopyFormToContext method findOrCreateForm.

/**
     * <p>Actually find or create an instance of ActionForm configured under
     * the form-bean-name <code>effectiveFormName</code>, looking in in the
     * <code>ActionContext's</code> scope as identified by
     * <code>effectiveScope</code>. If a form is created, it will also be
     * stored in that scope.</p>
     *
     * <p><b>NOTE:</b> This specific method depends on the instance of
     * <code>ActionContext</code> which is passed being a subclass of
     * <code>ActionContextBase</code>, which implements the utility method
     * <code>findOrCreateActionForm</code>. </p>
     *
     * @param ctx               The ActionContext we are processing
     * @param effectiveFormName the target form name
     * @param effectiveScope    The target scope
     * @return ActionForm instnace, storing in scope if created
     * @throws InstantiationException   If ActionContext is not subsclass of
     *                                  ActionContextBase
     * @throws InstantiationException   If object cannot be created
     * @throws IllegalArgumentException On form not found in/ scope
     * @throws IllegalAccessException   On failed instantiation
     * @throws IllegalStateException    If ActionContext is not a subclass of
     *                                  ActionBase
     */
protected ActionForm findOrCreateForm(ActionContext ctx, String effectiveFormName, String effectiveScope) throws IllegalAccessException, InstantiationException {
    ActionContextBase context;
    try {
        context = (ActionContextBase) ctx;
    } catch (ClassCastException e) {
        throw new IllegalStateException("ActionContext [" + ctx + "]" + " must be subclass of ActionContextBase");
    }
    ActionForm form = context.findOrCreateActionForm(effectiveFormName, effectiveScope);
    if (form == null) {
        throw new IllegalArgumentException("No form found under scope [" + effectiveScope + "] and formName [" + effectiveFormName + "]");
    }
    return form;
}