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/*
* Copyright 2012 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 org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
import org.slf4j.LoggerFactory;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.UserModel;
import com.gitblit.wicket.GitBlitWebApp;
import com.gitblit.wicket.GitBlitWebSession;
import com.gitblit.wicket.GitblitRedirectException;
import com.gitblit.wicket.WicketUtils;
public class ForkPage extends RepositoryPage {
public ForkPage(PageParameters params) {
super(params);
setVersioned(false);
GitBlitWebSession session = GitBlitWebSession.get();
RepositoryModel repository = getRepositoryModel();
UserModel user = session.getUser();
boolean canFork = user.canFork(repository);
if (!canFork) {
// redirect to the summary page if this repository is not empty
GitBlitWebSession.get().cacheErrorMessage(
MessageFormat.format(getString("gb.forkNotAuthorized"), repository.name));
throw new GitblitRedirectException(SummaryPage.class, WicketUtils.newRepositoryParameter(repository.name));
}
String fork = app().repositories().getFork(user.username, repository.name);
if (fork != null) {
// redirect to user's fork
throw new GitblitRedirectException(SummaryPage.class, WicketUtils.newRepositoryParameter(fork));
}
add(new Label("forkText", getString("gb.preparingFork")));
if (!session.isForking()) {
// prepare session
session.isForking(true);
// fork it
ForkThread forker = new ForkThread(app(), repository, session);
forker.start();
}
}
@Override
protected boolean allowForkControls() {
return false;
}
@Override
protected String getPageName() {
return "fork";
}
/**
* ForkThread does the work of working the repository in a background
* thread. The completion status is tracked through a session variable and
* monitored by this page.
*/
private static class ForkThread extends Thread {
private final GitBlitWebApp app;
private final RepositoryModel repository;
private final GitBlitWebSession session;
public ForkThread(GitBlitWebApp app, RepositoryModel repository, GitBlitWebSession session) {
this.app = app;
this.repository = repository;
this.session = session;
}
@Override
public void run() {
UserModel user = session.getUser();
try {
app.gitblit().fork(repository, user);
} catch (Exception e) {
LoggerFactory.getLogger(ForkPage.class).error(MessageFormat.format("Failed to fork {0} for {1}", repository.name, user.username), e);
} finally {
session.isForking(false);
}
}
}
}
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