001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.servicemix.validation.handler;
018    
019    import javax.jbi.messaging.MessagingException;
020    
021    import org.xml.sax.ErrorHandler;
022    
023    public interface MessageAwareErrorHandler extends ErrorHandler {
024    
025        /**
026         * Does the error handler contain any error messages?
027         * 
028         * @return
029         */
030        boolean hasErrors();
031    
032        /**
033         * Return the number of warnings.
034         * 
035         * @return
036         */
037        int getWarningCount();
038    
039        /**
040         * Return the number of errors.
041         * 
042         * @return
043         */
044        int getErrorCount();
045    
046        /**
047         * Return the number of fatal errors.
048         * 
049         * @return
050         */
051        int getFatalErrorCount();
052    
053        /**
054         * Does this ErrorHandler implementation capture error messages?
055         * 
056         * @return
057         */
058        boolean capturesMessages();
059    
060        /**
061         * Get the messages from this ErrorHandler in a particular format.
062         * 
063         * @return
064         */
065        Object getMessagesAs(Class format) throws MessagingException;
066    
067        /**
068         * Does the message support a given format?
069         * 
070         * @param clazz The Class of the format for which support is required.
071         * @return
072         */
073        boolean supportsMessageFormat(Class format);
074    }