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.camel.processor.validation;
018    
019    import java.util.List;
020    
021    import org.xml.sax.SAXParseException;
022    
023    import org.apache.camel.Exchange;
024    import org.apache.camel.ValidationException;
025    
026    /**
027     * A Schema validation exception occurred
028     * 
029     * @version 
030     */
031    public class SchemaValidationException extends ValidationException {
032        private static final long serialVersionUID = 2656907296674888684L;
033    
034        private final Object schema;
035        private final List<SAXParseException> fatalErrors;
036        private final List<SAXParseException> errors;
037        private final List<SAXParseException> warnings;
038    
039        public SchemaValidationException(Exchange exchange, Object schema, List<SAXParseException> fatalErrors,
040                                         List<SAXParseException> errors, List<SAXParseException> warnings) {
041            super(exchange, message(schema, fatalErrors, errors, warnings));
042            this.schema = schema;
043            this.fatalErrors = fatalErrors;
044            this.errors = errors;
045            this.warnings = warnings;
046        }
047    
048        /**
049         * Returns the schema that failed
050         */
051        public Object getSchema() {
052            return schema;
053        }
054    
055        /**
056         * Returns the validation errors
057         */
058        public List<SAXParseException> getErrors() {
059            return errors;
060        }
061    
062        /**
063         * Returns the fatal validation errors
064         */
065        public List<SAXParseException> getFatalErrors() {
066            return fatalErrors;
067        }
068    
069        /**
070         * Returns the validation warnings
071         */
072        public List<SAXParseException> getWarnings() {
073            return warnings;
074        }
075    
076        protected static String message(Object schema, List<SAXParseException> fatalErrors,
077                                        List<SAXParseException> errors, List<SAXParseException> warnings) {
078            StringBuilder buffer = new StringBuilder("Validation failed for: ")
079                .append(schema)
080                .append("\n");
081    
082            if (!fatalErrors.isEmpty()) {
083                buffer.append("fatal errors: [")
084                    .append("\n");
085                appendDetails(buffer, fatalErrors);
086                buffer.append("]")
087                    .append("\n");
088            }
089    
090            if (!errors.isEmpty()) {
091                buffer.append("errors: [")
092                    .append("\n");
093                appendDetails(buffer, errors);
094                buffer.append("]");
095            }
096    
097            return buffer.toString();
098        }
099    
100        private static void appendDetails(StringBuilder buffer, List<SAXParseException> saxParseExceptions) {
101            for (SAXParseException e : saxParseExceptions) {
102                buffer.append(e.getClass().getName()).append(": ");
103                buffer.append(e.getMessage()).append(", ");
104                buffer.append("Line : ").append(e.getLineNumber()).append(", ");
105                buffer.append("Column : ").append(e.getColumnNumber()).append("\n");
106            }
107        }
108    }