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}