com.gitblit.wicket.pages.MarkdownPage.java Source code

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Here is the source code for com.gitblit.wicket.pages.MarkdownPage.java

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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.text.ParseException;

import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
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.utils.JGitUtils;
import com.gitblit.utils.MarkdownUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.WicketUtils;

public class MarkdownPage extends RepositoryPage {

    public MarkdownPage(PageParameters params) {
        super(params);

        final String markdownPath = WicketUtils.getPath(params);

        Repository r = getRepository();
        RevCommit commit = JGitUtils.getCommit(r, objectId);
        String[] encodings = GitBlit.getEncodings();

        // markdown page links
        add(new BookmarkablePageLink<Void>("blameLink", BlamePage.class,
                WicketUtils.newPathParameter(repositoryName, objectId, markdownPath)));
        add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class,
                WicketUtils.newPathParameter(repositoryName, objectId, markdownPath)));
        add(new BookmarkablePageLink<Void>("rawLink", RawPage.class,
                WicketUtils.newPathParameter(repositoryName, objectId, markdownPath)));
        add(new BookmarkablePageLink<Void>("headLink", MarkdownPage.class,
                WicketUtils.newPathParameter(repositoryName, Constants.HEAD, markdownPath)));

        // Read raw markdown content and transform it to html
        String markdownText = JGitUtils.getStringContent(r, commit.getTree(), markdownPath, encodings);
        String htmlText;
        try {
            htmlText = MarkdownUtils.transformMarkdown(markdownText);
        } catch (ParseException p) {
            markdownText = MessageFormat.format(
                    "<div class=\"alert alert-error\"><strong>{0}:</strong> {1}</div>{2}", getString("gb.error"),
                    getString("gb.markdownFailure"), markdownText);
            htmlText = StringUtils.breakLinesForHtml(markdownText);
        }

        // Add the html to the page
        add(new Label("markdownText", htmlText).setEscapeModelStrings(false));
    }

    @Override
    protected String getPageName() {
        return getString("gb.markdown");
    }
}