/*
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* Copyright 2011 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.wicket.pages;
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import java.text.MessageFormat;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.wicket.Component;
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import org.apache.wicket.PageParameters;
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import org.apache.wicket.markup.html.basic.Label;
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import org.apache.wicket.markup.html.image.Image;
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import org.apache.wicket.markup.html.link.BookmarkablePageLink;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.revwalk.RevCommit;
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import com.gitblit.GitBlit;
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import com.gitblit.Keys;
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import com.gitblit.utils.JGitUtils;
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import com.gitblit.utils.StringUtils;
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import com.gitblit.wicket.ExternalImage;
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import com.gitblit.wicket.WicketUtils;
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import com.gitblit.wicket.panels.CommitHeaderPanel;
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import com.gitblit.wicket.panels.PathBreadcrumbsPanel;
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public class BlobPage extends RepositoryPage {
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public BlobPage(PageParameters params) {
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super(params);
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Repository r = getRepository();
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final String blobPath = WicketUtils.getPath(params);
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String [] encodings = GitBlit.getEncodings();
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if (StringUtils.isEmpty(blobPath)) {
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// blob by objectid
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add(new BookmarkablePageLink<Void>("blameLink", BlamePage.class,
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WicketUtils.newPathParameter(repositoryName, objectId, blobPath))
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.setEnabled(false));
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add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class).setEnabled(false));
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add(new BookmarkablePageLink<Void>("rawLink", RawPage.class,
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WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
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add(new BookmarkablePageLink<Void>("headLink", BlobPage.class).setEnabled(false));
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add(new CommitHeaderPanel("commitHeader", objectId));
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add(new PathBreadcrumbsPanel("breadcrumbs", repositoryName, blobPath, objectId));
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Component c = new Label("blobText", JGitUtils.getStringContent(r, objectId, encodings));
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WicketUtils.setCssClass(c, "plainprint");
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add(c);
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} else {
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// standard blob view
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String extension = null;
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if (blobPath.lastIndexOf('.') > -1) {
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extension = blobPath.substring(blobPath.lastIndexOf('.') + 1).toLowerCase();
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}
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// see if we should redirect to the markdown page
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for (String ext : GitBlit.getStrings(Keys.web.markdownExtensions)) {
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if (ext.equals(extension)) {
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setResponsePage(MarkdownPage.class, params);
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return;
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}
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}
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// manually get commit because it can be null
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RevCommit commit = JGitUtils.getCommit(r, objectId);
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// blob page links
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add(new BookmarkablePageLink<Void>("blameLink", BlamePage.class,
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WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
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add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class,
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WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
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add(new BookmarkablePageLink<Void>("rawLink", RawPage.class,
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WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
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add(new BookmarkablePageLink<Void>("headLink", BlobPage.class,
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WicketUtils.newPathParameter(repositoryName, Constants.HEAD, blobPath)));
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add(new CommitHeaderPanel("commitHeader", repositoryName, commit));
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add(new PathBreadcrumbsPanel("breadcrumbs", repositoryName, blobPath, objectId));
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// Map the extensions to types
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Map<String, Integer> map = new HashMap<String, Integer>();
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for (String ext : GitBlit.getStrings(Keys.web.prettyPrintExtensions)) {
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map.put(ext.toLowerCase(), 1);
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}
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for (String ext : GitBlit.getStrings(Keys.web.imageExtensions)) {
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map.put(ext.toLowerCase(), 2);
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}
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for (String ext : GitBlit.getStrings(Keys.web.binaryExtensions)) {
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map.put(ext.toLowerCase(), 3);
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}
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if (extension != null) {
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int type = 0;
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if (map.containsKey(extension)) {
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type = map.get(extension);
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}
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switch (type) {
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case 2:
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// image blobs
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add(new Label("blobText").setVisible(false));
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add(new ExternalImage("blobImage", urlFor(RawPage.class, WicketUtils.newPathParameter(repositoryName, objectId, blobPath)).toString()));
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break;
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case 3:
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// binary blobs
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add(new Label("blobText", "Binary File"));
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add(new Image("blobImage").setVisible(false));
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break;
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default:
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// plain text
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String source = JGitUtils.getStringContent(r, commit.getTree(), blobPath, encodings);
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String table = generateSourceView(source, type == 1);
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add(new Label("blobText", table).setEscapeModelStrings(false));
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add(new Image("blobImage").setVisible(false));
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}
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} else {
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// plain text
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String source = JGitUtils.getStringContent(r, commit.getTree(), blobPath, encodings);
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String table = generateSourceView(source, false);
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add(new Label("blobText", table).setEscapeModelStrings(false));
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add(new Image("blobImage").setVisible(false));
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}
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}
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}
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protected String generateSourceView(String source, boolean prettyPrint) {
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String [] lines = source.split("\n");
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StringBuilder sb = new StringBuilder();
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sb.append("<!-- start blob table -->");
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sb.append("<table width=\"100%\"><tbody><tr>");
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// nums column
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sb.append("<!-- start nums column -->");
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sb.append("<td id=\"nums\">");
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sb.append("<pre>");
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String numPattern = "<span id=\"L{0}\" class=\"num\">{0}</span>\n";
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for (int i = 0; i < lines.length; i++) {
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sb.append(MessageFormat.format(numPattern, "" + (i + 1)));
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}
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sb.append("</pre>");
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sb.append("<!-- end nums column -->");
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sb.append("</td>");
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sb.append("<!-- start lines column -->");
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sb.append("<td id=\"lines\">");
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sb.append("<div class=\"sourceview\">");
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if (prettyPrint) {
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sb.append("<pre class=\"prettyprint\">");
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} else {
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sb.append("<pre class=\"plainprint\">");
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}
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lines = StringUtils.escapeForHtml(source, true).split("\n");
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sb.append("<table width=\"100%\"><tbody>");
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String linePattern = "<tr class=\"{0}\"><td><a href=\"#L{2}\">{1}</a>\r</tr>";
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for (int i = 0; i < lines.length; i++) {
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String line = lines[i].replace('\r', ' ');
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String cssClass = (i % 2 == 0) ? "even" : "odd";
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sb.append(MessageFormat.format(linePattern, cssClass, line, "" + (i + 1)));
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}
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sb.append("</tbody></table></pre>");
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sb.append("</pre>");
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sb.append("</div>");
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sb.append("</td>");
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sb.append("<!-- end lines column -->");
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sb.append("</tr></tbody></table>");
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sb.append("<!-- end blob table -->");
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return sb.toString();
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}
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@Override
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protected String getPageName() {
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return getString("gb.view");
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}
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}
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