/*
 * Copyright 2005 The Apache Software Foundation.
 * 
 * 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.
 */

package org.apache.xerces.jaxp.validation;

import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

/**
 * {@link ErrorHandler} that throws all errors and fatal errors.
 * 
 * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 * @version $Id$
 */
final class DraconianErrorHandler implements ErrorHandler {

    /**
     * Use this singleton instance.
     */
    public static final ErrorHandler theInstance = new DraconianErrorHandler();
    
    private DraconianErrorHandler() {}
    
    public void warning(SAXParseException e) throws SAXException {
        // noop
    }
    
    public void error(SAXParseException e) throws SAXException {
        throw e;
    }
    
    public void fatalError(SAXParseException e) throws SAXException {
        throw e;
    }
}

/*
 * Copyright 2005 The Apache Software Foundation.
 * 
 * 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.
 */

package org.apache.xerces.jaxp.validation;

import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

/**
 * {@link ErrorHandler} that throws all errors and fatal errors.
 * 
 * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 * @version $Id$
 */
final class DraconianErrorHandler implements ErrorHandler {

    /**
     * Singleton instance.
     */
    private static final DraconianErrorHandler ERROR_HANDLER_INSTANCE 
        = new DraconianErrorHandler();
    
    private DraconianErrorHandler() {}
    
    /** Returns the one and only instance of this error handler. */
    public static DraconianErrorHandler getInstance() {
        return ERROR_HANDLER_INSTANCE;
    }
    
    /** Warning: Ignore. */
    public void warning(SAXParseException e) throws SAXException {
        // noop
    }
    
    /** Error: Throws back SAXParseException. */
    public void error(SAXParseException e) throws SAXException {
        throw e;
    }
    
    /** Fatal Error: Throws back SAXParseException. */
    public void fatalError(SAXParseException e) throws SAXException {
        throw e;
    }
    
} // DraconianErrorHandler

Access singleton with static accessor rather than directly. Added a few comments to the code.