jetbrick.web.servlet.map.RequestHeaderValuesMap Maven / Gradle / Ivy
/**
* Copyright 2013-2014 Guoqiang Chen, Shanghai, China. All rights reserved.
*
* Email: [email protected]
* URL: http://subchen.github.io/
*
* Licensed 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 jetbrick.web.servlet.map;
import java.util.*;
import javax.servlet.http.HttpServletRequest;
public class RequestHeaderValuesMap extends StringEnumeratedMap {
private final HttpServletRequest request;
public RequestHeaderValuesMap(HttpServletRequest request) {
this.request = request;
}
@Override
protected Enumeration getAttributeNames() {
return request.getHeaderNames();
}
@Override
protected String[] getAttribute(String key) {
List list = new ArrayList();
Enumeration e = request.getHeaders(key);
if (e != null) {
while (e.hasMoreElements()) {
list.add(e.nextElement());
}
}
return list.toArray(new String[list.size()]);
}
@Override
protected void setAttribute(String key, String[] value) {
throw new UnsupportedOperationException();
}
@Override
protected void removeAttribute(String key) {
throw new UnsupportedOperationException();
}
}