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/*
* Copyright (c) 2010, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jersey.message.internal;
import java.text.ParseException;
import java.util.Map;
import javax.ws.rs.core.MediaType;
import javax.inject.Singleton;
import org.glassfish.jersey.internal.LocalizationMessages;
import org.glassfish.jersey.spi.HeaderDelegateProvider;
import static org.glassfish.jersey.message.internal.Utils.throwIllegalArgumentExceptionIfNull;
/**
* Header delegate provider for MediaType.
*
* @author Marc Hadley
* @author Marek Potociar
* @author Martin Matula
*/
@Singleton
public class MediaTypeProvider implements HeaderDelegateProvider {
private static final String MEDIA_TYPE_IS_NULL = LocalizationMessages.MEDIA_TYPE_IS_NULL();
@Override
public boolean supports(Class type) {
return MediaType.class.isAssignableFrom(type);
}
@Override
public String toString(MediaType header) {
throwIllegalArgumentExceptionIfNull(header, MEDIA_TYPE_IS_NULL);
StringBuilder b = new StringBuilder();
b.append(header.getType()).append('/').append(header.getSubtype());
for (Map.Entry e : header.getParameters().entrySet()) {
b.append(";").append(e.getKey()).append('=');
StringBuilderUtils.appendQuotedIfNonToken(b, e.getValue());
}
return b.toString();
}
@Override
public MediaType fromString(String header) {
throwIllegalArgumentExceptionIfNull(header, MEDIA_TYPE_IS_NULL);
try {
return valueOf(HttpHeaderReader.newInstance(header));
} catch (ParseException ex) {
throw new IllegalArgumentException(
"Error parsing media type '" + header + "'", ex);
}
}
/**
* Create a new {@link javax.ws.rs.core.MediaType} instance from a header reader.
*
* @param reader header reader.
* @return new {@code MediaType} instance.
*
* @throws ParseException in case of a header parsing error.
*/
public static MediaType valueOf(HttpHeaderReader reader) throws ParseException {
// Skip any white space
reader.hasNext();
// Get the type
final String type = reader.nextToken().toString();
reader.nextSeparator('/');
// Get the subtype
final String subType = reader.nextToken().toString();
Map params = null;
if (reader.hasNext()) {
params = HttpHeaderReader.readParameters(reader);
}
return new MediaType(type, subType, params);
}
}