org.wikipedia.vlsergey.secretary.utils.DefaultErrorHandler.java Source code

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Here is the source code for org.wikipedia.vlsergey.secretary.utils.DefaultErrorHandler.java

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/*
 * Copyright 2001-2010 Fizteh-Center Lab., MIPT, Russia
 *
 * 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.
 *
 * Created on 20.04.2010
 */
package org.wikipedia.vlsergey.secretary.utils;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.stereotype.Component;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

/**
 * Default implementation of {@link ErrorHandler}
 * 
 * @author vlsergey {at} gmail {dot} com
 */
@Component
public class DefaultErrorHandler implements ErrorHandler {

    private static final Log log = LogFactory.getLog(DefaultErrorHandler.class);

    @Override
    public void error(SAXParseException exc) throws SAXException {
        if (log.isErrorEnabled()) {
            StringBuffer errorMessage = getText(exc, "error");
            log.warn(errorMessage, exc);
        }
    }

    @Override
    public void fatalError(SAXParseException exc) throws SAXException {
        if (log.isErrorEnabled()) {
            StringBuffer errorMessage = getText(exc, "fatal error");
            log.warn(errorMessage, exc);
        }
    }

    protected StringBuffer getText(SAXParseException exc, String type) {
        StringBuffer errorMessage = new StringBuffer();
        if (exc.getSystemId() != null) {
            errorMessage.append("[");
            errorMessage.append(exc.getSystemId());
            errorMessage.append("] ");
        }
        errorMessage.append("XML ");
        errorMessage.append(type);
        errorMessage.append(": ");
        errorMessage.append(exc.getMessage());

        // String around = XMLTools.getSourceTextAround(exc);
        // if (around != null) {
        // errorMessage.append(":\n");
        // errorMessage.append(around);
        // errorMessage.append("\n");
        // }
        return errorMessage;
    }

    @Override
    public void warning(SAXParseException exc) throws SAXException {
        if (log.isWarnEnabled()) {
            StringBuffer errorMessage = getText(exc, "warning");
            log.warn(errorMessage, exc);
        }
    }
}