src/test/java/org/apache/commons/mail/resolver/AbstractDataSourceResolverTest.java

/*
 * 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.
 */
package org.apache.commons.mail.resolver;

import java.io.IOException;
import java.io.InputStream;

import javax.activation.DataSource;

import org.apache.commons.io.IOUtils;

public abstract class AbstractDataSourceResolverTest {

    protected final int IMG_SIZE = 5866;

    protected byte[] toByteArray(final DataSource dataSource) throws IOException
    {
        if(dataSource != null)
        {
            final InputStream is = dataSource.getInputStream();
            try {
                return IOUtils.toByteArray(is);
            } finally {
                is.close();
            }
        }
        return null;
    }

}