| /* |
| * 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.empire.struts2.action; |
| |
| import java.util.Map; |
| |
| |
| public interface ActionErrorProvider |
| { |
| /** |
| * returns true if the current action has either an action or a field error |
| * WARNING: this function returns false if a previous action had an error |
| * |
| * @return true if either an Action Error or a Field Error has been set |
| */ |
| boolean hasActionError(); |
| |
| /** |
| * clears the action error (if any) and all item errors |
| */ |
| void clearActionErrors(); |
| |
| /** |
| * returns the last Action Error of the current or a previous action |
| * the error is left on the session unless the clear flag is set to true |
| * In order to display the error to the user an application should use |
| * this function instead of getActionError() and set clear to true. |
| * |
| * @param clear flag that determines whether to remove this error from the session or not |
| * |
| * @return the last Action error that has been put on the session |
| */ |
| ErrorInfo getLastActionError(boolean clear); |
| |
| /** |
| * returns a map of field errors |
| * field errors are not persisted on the session and will be lost on redirects. |
| * |
| * @return the map of field errors containing the field name in the key. |
| */ |
| Map<String, ErrorInfo> getItemErrors(); |
| |
| /** |
| * return the localized message for an error |
| * |
| * @param error the error info |
| * @return the error message in the curren user's language |
| */ |
| String getLocalizedErrorMessage(ErrorInfo error); |
| |
| /** |
| * returns the last set Action Message |
| * the message is left on the session unless the clear flag is set to true |
| * |
| * @param clear if true will clear the message from the session |
| * @return an action message for the user |
| */ |
| String getLastActionMessage(boolean clear); |
| |
| } |