tobago-core/src/main/java/org/apache/myfaces/tobago/internal/taglib/declaration/HasAction.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.myfaces.tobago.internal.taglib.declaration;

import org.apache.myfaces.tobago.apt.annotation.DynamicExpression;
import org.apache.myfaces.tobago.apt.annotation.TagAttribute;
import org.apache.myfaces.tobago.apt.annotation.UIComponentTagAttribute;

public interface HasAction {
  /**
   * Action to invoke when clicked.
   * This must be a MethodExpression or a String representing the application action to invoke when
   * this component is activated by the user.
   * The {@link javax.el.MethodExpression} must evaluate to a public method that takes no parameters,
   * and returns a {@link String} (the logical outcome) which is passed to the
   * {@link javax.faces.application.NavigationHandler} for this application.
   * The string is directly passed to the navigation handler.
   */
  @TagAttribute
  @UIComponentTagAttribute(
      type = {},
      expression = DynamicExpression.METHOD_EXPRESSION,
      methodReturnType = "java.lang.Object")
  void setAction(String action);

}