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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.wicket.pages;
-
- import java.text.MessageFormat;
- import java.util.HashMap;
- import java.util.Map;
-
- import org.apache.wicket.Component;
- import org.apache.wicket.PageParameters;
- import org.apache.wicket.markup.html.basic.Label;
- import org.apache.wicket.markup.html.image.Image;
- import org.apache.wicket.markup.html.link.BookmarkablePageLink;
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.revwalk.RevCommit;
-
- import com.gitblit.GitBlit;
- import com.gitblit.Keys;
- import com.gitblit.utils.JGitUtils;
- import com.gitblit.utils.StringUtils;
- import com.gitblit.wicket.CacheControl;
- import com.gitblit.wicket.ExternalImage;
- import com.gitblit.wicket.WicketUtils;
- import com.gitblit.wicket.CacheControl.LastModified;
- import com.gitblit.wicket.panels.CommitHeaderPanel;
- import com.gitblit.wicket.panels.PathBreadcrumbsPanel;
-
- @CacheControl(LastModified.BOOT)
- public class BlobPage extends RepositoryPage {
-
- protected String fileExtension;
-
- public BlobPage(PageParameters params) {
- super(params);
-
- Repository r = getRepository();
- final String blobPath = WicketUtils.getPath(params);
- String [] encodings = GitBlit.getEncodings();
-
- if (StringUtils.isEmpty(blobPath)) {
- // blob by objectid
-
- add(new BookmarkablePageLink<Void>("blameLink", BlamePage.class,
- WicketUtils.newPathParameter(repositoryName, objectId, blobPath))
- .setEnabled(false));
- add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class).setEnabled(false));
- add(new BookmarkablePageLink<Void>("rawLink", RawPage.class,
- WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
- add(new BookmarkablePageLink<Void>("headLink", BlobPage.class).setEnabled(false));
- add(new CommitHeaderPanel("commitHeader", objectId));
- add(new PathBreadcrumbsPanel("breadcrumbs", repositoryName, blobPath, objectId));
- Component c = new Label("blobText", JGitUtils.getStringContent(r, objectId, encodings));
- WicketUtils.setCssClass(c, "plainprint");
- add(c);
- } else {
- // standard blob view
- String extension = null;
- if (blobPath.lastIndexOf('.') > -1) {
- extension = blobPath.substring(blobPath.lastIndexOf('.') + 1).toLowerCase();
- }
-
- // see if we should redirect to the markdown page
- for (String ext : GitBlit.getStrings(Keys.web.markdownExtensions)) {
- if (ext.equals(extension)) {
- setResponsePage(MarkdownPage.class, params);
- return;
- }
- }
-
- // manually get commit because it can be null
- RevCommit commit = JGitUtils.getCommit(r, objectId);
-
- // blob page links
- add(new BookmarkablePageLink<Void>("blameLink", BlamePage.class,
- WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
- add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class,
- WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
- add(new BookmarkablePageLink<Void>("rawLink", RawPage.class,
- WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
- add(new BookmarkablePageLink<Void>("headLink", BlobPage.class,
- WicketUtils.newPathParameter(repositoryName, Constants.HEAD, blobPath)));
-
- add(new CommitHeaderPanel("commitHeader", repositoryName, commit));
-
- add(new PathBreadcrumbsPanel("breadcrumbs", repositoryName, blobPath, objectId));
-
- // Map the extensions to types
- Map<String, Integer> map = new HashMap<String, Integer>();
- for (String ext : GitBlit.getStrings(Keys.web.prettyPrintExtensions)) {
- map.put(ext.toLowerCase(), 1);
- }
- for (String ext : GitBlit.getStrings(Keys.web.imageExtensions)) {
- map.put(ext.toLowerCase(), 2);
- }
- for (String ext : GitBlit.getStrings(Keys.web.binaryExtensions)) {
- map.put(ext.toLowerCase(), 3);
- }
-
- if (extension != null) {
- int type = 0;
- if (map.containsKey(extension)) {
- type = map.get(extension);
- }
- switch (type) {
- case 2:
- // image blobs
- add(new Label("blobText").setVisible(false));
- add(new ExternalImage("blobImage", urlFor(RawPage.class, WicketUtils.newPathParameter(repositoryName, objectId, blobPath)).toString()));
- break;
- case 3:
- // binary blobs
- add(new Label("blobText", "Binary File"));
- add(new Image("blobImage").setVisible(false));
- break;
- default:
- // plain text
- String source = JGitUtils.getStringContent(r, commit.getTree(), blobPath, encodings);
- String table;
- if (source == null) {
- table = missingBlob(blobPath, commit);
- } else {
- table = generateSourceView(source, extension, type == 1);
- }
- add(new Label("blobText", table).setEscapeModelStrings(false));
- add(new Image("blobImage").setVisible(false));
- fileExtension = extension;
- }
- } else {
- // plain text
- String source = JGitUtils.getStringContent(r, commit.getTree(), blobPath, encodings);
- String table;
- if (source == null) {
- table = missingBlob(blobPath, commit);
- } else {
- table = generateSourceView(source, null, false);
- }
- add(new Label("blobText", table).setEscapeModelStrings(false));
- add(new Image("blobImage").setVisible(false));
- }
- }
- }
-
- protected String missingBlob(String blobPath, RevCommit commit) {
- StringBuilder sb = new StringBuilder();
- sb.append("<div class=\"alert alert-error\">");
- String pattern = getString("gb.doesNotExistInTree").replace("{0}", "<b>{0}</b>").replace("{1}", "<b>{1}</b>");
- sb.append(MessageFormat.format(pattern, blobPath, commit.getTree().getId().getName()));
- sb.append("</div>");
- return sb.toString();
- }
-
- protected String generateSourceView(String source, String extension, boolean prettyPrint) {
- String [] lines = source.split("\n");
-
- StringBuilder sb = new StringBuilder();
- sb.append("<!-- start blob table -->");
- sb.append("<table width=\"100%\"><tbody><tr>");
-
- // nums column
- sb.append("<!-- start nums column -->");
- sb.append("<td id=\"nums\">");
- sb.append("<pre>");
- String numPattern = "<span id=\"L{0}\" class=\"num\">{0}</span>\n";
- for (int i = 0; i < lines.length; i++) {
- sb.append(MessageFormat.format(numPattern, "" + (i + 1)));
- }
- sb.append("</pre>");
- sb.append("<!-- end nums column -->");
- sb.append("</td>");
-
- sb.append("<!-- start lines column -->");
- sb.append("<td id=\"lines\">");
- sb.append("<div class=\"sourceview\">");
- if (prettyPrint) {
- sb.append("<pre class=\"prettyprint lang-" + extension + "\">");
- } else {
- sb.append("<pre class=\"plainprint\">");
- }
- lines = StringUtils.escapeForHtml(source, true).split("\n");
-
- sb.append("<table width=\"100%\"><tbody>");
-
- String linePattern = "<tr class=\"{0}\"><td><a href=\"#L{2}\">{1}</a>\r</tr>";
- for (int i = 0; i < lines.length; i++) {
- String line = lines[i].replace('\r', ' ');
- String cssClass = (i % 2 == 0) ? "even" : "odd";
- sb.append(MessageFormat.format(linePattern, cssClass, line, "" + (i + 1)));
- }
- sb.append("</tbody></table></pre>");
- sb.append("</pre>");
- sb.append("</div>");
- sb.append("</td>");
- sb.append("<!-- end lines column -->");
-
- sb.append("</tr></tbody></table>");
- sb.append("<!-- end blob table -->");
-
- return sb.toString();
- }
-
- @Override
- protected String getPageName() {
- return getString("gb.view");
- }
-
- @Override
- protected Class<? extends BasePage> getRepoNavPageClass() {
- return TreePage.class;
- }
- }
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