| /* |
| * Copyright (C) 2009-2010, Google Inc. |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - 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. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * 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 OWNER 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 org.eclipse.jgit.http.server.glue; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.servlet.Filter; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jgit.http.server.HttpServerText; |
| |
| abstract class ServletBinderImpl implements ServletBinder { |
| private final List<Filter> filters; |
| |
| private HttpServlet httpServlet; |
| |
| ServletBinderImpl() { |
| this.filters = new ArrayList<>(); |
| } |
| |
| @Override |
| public ServletBinder through(Filter filter) { |
| if (filter == null) |
| throw new NullPointerException(HttpServerText.get().filterMustNotBeNull); |
| filters.add(filter); |
| return this; |
| } |
| |
| @Override |
| public void with(HttpServlet servlet) { |
| if (servlet == null) |
| throw new NullPointerException(HttpServerText.get().servletMustNotBeNull); |
| if (httpServlet != null) |
| throw new IllegalStateException(HttpServerText.get().servletWasAlreadyBound); |
| httpServlet = servlet; |
| } |
| |
| /** @return the configured servlet, or singleton returning 404 if none. */ |
| protected HttpServlet getServlet() { |
| if (httpServlet != null) |
| return httpServlet; |
| else |
| return new ErrorServlet(HttpServletResponse.SC_NOT_FOUND); |
| } |
| |
| /** @return the configured filters; zero-length array if none. */ |
| protected Filter[] getFilters() { |
| return filters.toArray(new Filter[filters.size()]); |
| } |
| |
| /** @return the pipeline that matches and executes this chain. */ |
| abstract UrlPipeline create(); |
| } |