org.xwiki.properties.internal.converter.InputStreamConverter Maven / Gradle / Ivy
/*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.xwiki.properties.internal.converter;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.lang.reflect.Type;
import javax.inject.Singleton;
import org.apache.commons.beanutils.converters.ArrayConverter;
import org.apache.commons.beanutils.converters.ByteConverter;
import org.xwiki.component.annotation.Component;
import org.xwiki.properties.converter.AbstractConverter;
import org.xwiki.properties.converter.ConversionException;
/**
* Converter that converts a value into an {@link InputStream} object.
*
* @version $Id: 870e2c4960f8e886b7d06d74f4ff366b922a3f12 $
* @since 5.2RC1
*/
@Component
@Singleton
public class InputStreamConverter extends AbstractConverter
{
/**
* Reusing Commons Beanutils byte array converter.
*/
private final ArrayConverter arrayConverter = new ArrayConverter(byte[].class, new ByteConverter());
@Override
protected G convertToType(Type type, Object value)
{
if (value == null) {
return null;
}
try {
return (G) new ByteArrayInputStream(this.arrayConverter.convert(byte[].class, value));
} catch (org.apache.commons.beanutils.ConversionException e) {
throw new ConversionException(e);
}
}
}