| /* |
| * Copyright (C) 2009-2010, Google Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| 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<>(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public ServletBinder through(Filter filter) { |
| if (filter == null) |
| throw new NullPointerException(HttpServerText.get().filterMustNotBeNull); |
| filters.add(filter); |
| return this; |
| } |
| |
| /** {@inheritDoc} */ |
| @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; |
| } |
| |
| /** |
| * Get the servlet |
| * |
| * @return the configured servlet, or singleton returning 404 if none. |
| */ |
| protected HttpServlet getServlet() { |
| if (httpServlet != null) { |
| return httpServlet; |
| } |
| return new ErrorServlet(HttpServletResponse.SC_NOT_FOUND); |
| } |
| |
| /** |
| * Get filters |
| * |
| * @return the configured filters; zero-length array if none. |
| */ |
| protected Filter[] getFilters() { |
| return filters.toArray(new Filter[0]); |
| } |
| |
| /** @return the pipeline that matches and executes this chain. */ |
| abstract UrlPipeline create(); |
| } |