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// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package jodd.typeconverter.impl;
import jodd.io.FileUtil;
import jodd.typeconverter.TypeConversionException;
import jodd.typeconverter.TypeConverter;
import java.io.File;
import java.net.URI;
import java.net.URL;
import java.net.MalformedURLException;
/**
* Converts given object to URL
.
* Conversion rules:
*
* null
value is returned as null
* - object of destination type is simply casted
* File
is converted
* URI
is converted
* String
representation is used for creating URL
*
*/
public class URLConverter implements TypeConverter {
public URL convert(Object value) {
if (value == null) {
return null;
}
if (value instanceof URL) {
return (URL) value;
}
if (value instanceof File) {
File file = (File) value;
try {
return FileUtil.toURL(file);
} catch (MalformedURLException muex) {
throw new TypeConversionException(value, muex);
}
}
if (value instanceof URI) {
URI uri = (URI) value;
try {
return uri.toURL();
} catch (MalformedURLException muex) {
throw new TypeConversionException(value, muex);
}
}
try {
return new URL(value.toString());
} catch (MalformedURLException muex) {
throw new TypeConversionException(value, muex);
}
}
}