core/src/test/java/org/apache/commons/digester3/ErrorHandlerTest.java

package org.apache.commons.digester3;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

import static org.apache.commons.digester3.binder.DigesterLoader.newLoader;
import static org.junit.Assert.fail;

import java.io.IOException;

import org.apache.commons.digester3.binder.AbstractRulesModule;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Test;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

public class ErrorHandlerTest
{

    @Test
    public void noCustomErrorHandler()
    {

        try
        {
            newLoader( new AbstractRulesModule()
            {
                @Override
                protected void configure()
                {
                    forPattern( "employee" ).createObject().ofType( Employee.class );
                    forPattern( "employee/firstName" ).setBeanProperty().extractPropertyNameFromAttribute( "name" );
                }
            } ).newDigester().parse( getClass().getResource( "Test-digester-172-wrong.xml" ) );
            fail( "Expected SAXException" );
        }
        catch ( final IOException e )
        {
            fail( "Expected SAXException" );
        }
        catch ( final SAXException e )
        {
            // expected
        }

    }

    @Test
    public void customErrorHandlerWithStack()
    {

        final ErrorHandler customErrorHandler = new ErrorHandler()
        {
            final Log log = LogFactory.getLog( this.getClass() );

            @Override
            public void warning( final SAXParseException arg0 )
                throws SAXException
            {
                log.warn( "Custom Warn Handler" );
            }

            @Override
            public void fatalError( final SAXParseException e )
                throws SAXException
            {
                log.fatal( "Custom Fatal Error Handler", e );
            }

            @Override
            public void error( final SAXParseException e )
                throws SAXException
            {
                log.error( "Custom Error Handler", e );
            }
        };

        try
        {
            final Digester digester = newLoader( new AbstractRulesModule()
            {
                @Override
                protected void configure()
                {
                    forPattern( "employee" ).createObject().ofType( Employee.class );
                    forPattern( "employee/firstName" ).setBeanProperty().extractPropertyNameFromAttribute( "name" );
                }
            } ).newDigester();
            digester.setErrorHandler( customErrorHandler );
            digester.parse( getClass().getResource( "Test-digester-172-wrong.xml" ) );
            fail( "Expected SAXException" );
        }
        catch ( final IOException e )
        {
            fail( "Expected SAXException" );
        }
        catch ( final SAXException e )
        {
            // expected
        }
    }

    @Test
    public void customErrorHandler()
    {

        final ErrorHandler customErrorHandler = new ErrorHandler()
        {
            final Log log = LogFactory.getLog( this.getClass() );

            @Override
            public void warning( final SAXParseException arg0 )
                throws SAXException
            {
                log.warn( "Custom Warn Handler" );
            }

            @Override
            public void fatalError( final SAXParseException e )
                throws SAXException
            {
                log.fatal( "Custom Fatal Error Handler" );
            }

            @Override
            public void error( final SAXParseException e )
                throws SAXException
            {
                log.error( "Custom Error Handler" );
            }
        };

        try
        {
            final Digester digester = newLoader( new AbstractRulesModule()
            {
                @Override
                protected void configure()
                {
                    forPattern( "employee" ).createObject().ofType( Employee.class );
                    forPattern( "employee/firstName" ).setBeanProperty().extractPropertyNameFromAttribute( "name" );
                }
            } ).newDigester();
            digester.setErrorHandler( customErrorHandler );
            digester.parse( getClass().getResource( "Test-digester-172-wrong.xml" ) );
            fail( "No Expected SAXException" );

        }
        catch ( final IOException e )
        {
            fail( "Expected SAXException" );
        }
        catch ( final SAXException e )
        {
            // expected
        }
    }
}