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/*
* Copyright 2000-2016 Vaadin Ltd.
*
* Licensed 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 com.vaadin.server;
import java.io.Serializable;
import com.vaadin.shared.ui.ErrorLevel;
/**
* Interface for rendering error messages to terminal. All the visible errors
* shown to user must implement this interface.
*
* @author Vaadin Ltd.
* @since 3.0
*/
public interface ErrorMessage extends Serializable {
/**
* @deprecated As of 7.0, use {@link ErrorLevel#SYSTEM} instead
*/
@Deprecated
public static final ErrorLevel SYSTEMERROR = ErrorLevel.SYSTEM;
/**
* @deprecated As of 7.0, use {@link ErrorLevel#CRITICAL} instead
*/
@Deprecated
public static final ErrorLevel CRITICAL = ErrorLevel.CRITICAL;
/**
* @deprecated As of 7.0, use {@link ErrorLevel#ERROR} instead
*/
@Deprecated
public static final ErrorLevel ERROR = ErrorLevel.ERROR;
/**
* @deprecated As of 7.0, use {@link ErrorLevel#WARNING} instead
*/
@Deprecated
public static final ErrorLevel WARNING = ErrorLevel.WARNING;
/**
* @deprecated As of 7.0, use {@link ErrorLevel#INFO} instead
*/
@Deprecated
public static final ErrorLevel INFORMATION = ErrorLevel.INFO;
/**
* Gets the errors level.
*
* @return the level of error as an integer.
*/
public ErrorLevel getErrorLevel();
/**
* Returns the HTML formatted message to show in as the error message on the
* client.
*
* This method should perform any necessary escaping to avoid XSS attacks.
*
* TODO this API may still change to use a separate data transfer object
*
* @return HTML formatted string for the error message
* @since 7.0
*/
public String getFormattedHtmlMessage();
}
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