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- /*
- * 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<Filter>();
- }
-
- public ServletBinder through(Filter filter) {
- if (filter == null)
- throw new NullPointerException(HttpServerText.get().filterMustNotBeNull);
- filters.add(filter);
- return this;
- }
-
- 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();
- }
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