1 /*

     2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package jdk.incubator.http;

    27 

    28 import java.util.LinkedList;

    29 import java.util.List;

    30 

    31 class FilterFactory {

    32 

    33     final LinkedList<Class<? extends HeaderFilter>> filterClasses = new LinkedList<>();

    34 

    35     public void addFilter(Class<? extends HeaderFilter> type) {

    36         filterClasses.add(type);

    37     }

    38 

    39     List<HeaderFilter> getFilterChain() {

    40         List<HeaderFilter> l = new LinkedList<>();

    41         for (Class<? extends HeaderFilter> clazz : filterClasses) {

    42             try {

    43                 // Requires a public no arg constructor.

    44                 HeaderFilter headerFilter = clazz.getConstructor().newInstance();

    45                 l.add(headerFilter);

    46             } catch (ReflectiveOperationException e) {

    47                 throw new InternalError(e);

    48             }

    49         }

    50         return l;

    51     }

    52 }