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- /*
- * Copyright 2011 gitblit.com.
- *
- * 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 com.gitblit;
-
- import java.text.MessageFormat;
- import java.util.List;
-
- import javax.servlet.http.HttpServlet;
-
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.revwalk.RevCommit;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
-
- import com.gitblit.models.RepositoryModel;
- import com.gitblit.utils.JGitUtils;
- import com.gitblit.utils.StringUtils;
- import com.gitblit.utils.SyndicationUtils;
- import com.gitblit.wicket.WicketUtils;
-
- public class SyndicationServlet extends HttpServlet {
-
- private static final long serialVersionUID = 1L;
-
- private transient Logger logger = LoggerFactory.getLogger(SyndicationServlet.class);
-
- public static String asLink(String baseURL, String repository, String objectId, int length) {
- if (baseURL.length() > 0 && baseURL.charAt(baseURL.length() - 1) == '/') {
- baseURL = baseURL.substring(0, baseURL.length() - 1);
- }
- StringBuilder url = new StringBuilder();
- url.append(baseURL);
- url.append(Constants.SYNDICATION_PATH);
- url.append(repository);
- if (!StringUtils.isEmpty(objectId) || length > 0) {
- StringBuilder parameters = new StringBuilder("?");
- if (StringUtils.isEmpty(objectId)) {
- parameters.append("l=");
- parameters.append(length);
- } else {
- parameters.append("h=");
- parameters.append(objectId);
- if (length > 0) {
- parameters.append("&l=");
- parameters.append(length);
- }
- }
- url.append(parameters);
- }
- return url.toString();
- }
-
- public static String getTitle(String repository, String objectId) {
- String id = objectId;
- if (!StringUtils.isEmpty(id)) {
- if (id.startsWith(org.eclipse.jgit.lib.Constants.R_HEADS)) {
- id = id.substring(org.eclipse.jgit.lib.Constants.R_HEADS.length());
- } else if (id.startsWith(org.eclipse.jgit.lib.Constants.R_REMOTES)) {
- id = id.substring(org.eclipse.jgit.lib.Constants.R_REMOTES.length());
- } else if (id.startsWith(org.eclipse.jgit.lib.Constants.R_TAGS)) {
- id = id.substring(org.eclipse.jgit.lib.Constants.R_TAGS.length());
- }
- }
- return MessageFormat.format("{0} ({1})", repository, id);
- }
-
- private void processRequest(javax.servlet.http.HttpServletRequest request,
- javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException,
- java.io.IOException {
-
- String hostURL = WicketUtils.getHostURL(request);
- String url = request.getRequestURI().substring(request.getServletPath().length());
- if (url.charAt(0) == '/' && url.length() > 1) {
- url = url.substring(1);
- }
- String repositoryName = url;
- String objectId = request.getParameter("h");
- String l = request.getParameter("l");
- int length = GitBlit.getInteger(Keys.web.syndicationEntries, 25);
- if (StringUtils.isEmpty(objectId)) {
- objectId = org.eclipse.jgit.lib.Constants.HEAD;
- }
- if (!StringUtils.isEmpty(l)) {
- try {
- length = Integer.parseInt(l);
- } catch (NumberFormatException x) {
- }
- }
-
- Repository repository = GitBlit.self().getRepository(repositoryName);
- RepositoryModel model = GitBlit.self().getRepositoryModel(repositoryName);
- List<RevCommit> commits = JGitUtils.getRevLog(repository, objectId, 0, length);
- try {
- SyndicationUtils.toRSS(hostURL, getTitle(model.name, objectId), model.description,
- model.name, commits, response.getOutputStream());
- } catch (Exception e) {
- logger.error("An error occurred during feed generation", e);
- }
- }
-
- @Override
- protected void doPost(javax.servlet.http.HttpServletRequest request,
- javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException,
- java.io.IOException {
- processRequest(request, response);
- }
-
- @Override
- protected void doGet(javax.servlet.http.HttpServletRequest request,
- javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException,
- java.io.IOException {
- processRequest(request, response);
- }
- }
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