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 */ 017package org.apache.camel.processor.validation; 018 019import java.util.ArrayList; 020import java.util.List; 021import javax.xml.transform.Result; 022import javax.xml.validation.Schema; 023 024import org.xml.sax.SAXException; 025import org.xml.sax.SAXParseException; 026 027import org.apache.camel.Exchange; 028import org.apache.camel.ValidationException; 029import org.slf4j.Logger; 030import org.slf4j.LoggerFactory; 031 032/** 033 * A default error handler which just stores all the errors so they can be reported or transformed. 034 * 035 * @version 036 */ 037public class DefaultValidationErrorHandler implements ValidatorErrorHandler { 038 private static final Logger LOG = LoggerFactory.getLogger(DefaultValidationErrorHandler.class); 039 private List<SAXParseException> warnings = new ArrayList<SAXParseException>(); 040 private List<SAXParseException> errors = new ArrayList<SAXParseException>(); 041 private List<SAXParseException> fatalErrors = new ArrayList<SAXParseException>(); 042 043 public void warning(SAXParseException e) throws SAXException { 044 if (LOG.isDebugEnabled()) { 045 LOG.debug("Validation warning: " + e, e); 046 } 047 warnings.add(e); 048 } 049 050 public void error(SAXParseException e) throws SAXException { 051 if (LOG.isDebugEnabled()) { 052 LOG.debug("Validation error: " + e, e); 053 } 054 errors.add(e); 055 } 056 057 public void fatalError(SAXParseException e) throws SAXException { 058 if (LOG.isDebugEnabled()) { 059 LOG.debug("Validation fatalError: " + e, e); 060 } 061 fatalErrors.add(e); 062 } 063 064 public void reset() { 065 warnings.clear(); 066 errors.clear(); 067 fatalErrors.clear(); 068 } 069 070 public boolean isValid() { 071 return errors.isEmpty() && fatalErrors.isEmpty(); 072 } 073 074 public void handleErrors(Exchange exchange, Schema schema, Result result) throws ValidationException { 075 if (!isValid()) { 076 throw new SchemaValidationException(exchange, schema, fatalErrors, errors, warnings); 077 } 078 } 079 080 public void handleErrors(Exchange exchange, Object schema) throws ValidationException { 081 if (!isValid()) { 082 throw new SchemaValidationException(exchange, schema, fatalErrors, errors, warnings); 083 } 084 } 085}