/* Copyright (c) 2014 Boundless and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/edl-v10.html
*
* Contributors:
* Gabriel Roldan (Boundless) - initial implementation
*/
package org.locationtech.geogig.rest.repository;
import static org.locationtech.geogig.rest.repository.RESTUtils.getGeogig;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.List;
import org.locationtech.geogig.api.GeoGIG;
import org.locationtech.geogig.api.ObjectId;
import org.locationtech.geogig.api.Ref;
import org.locationtech.geogig.api.RevTag;
import org.locationtech.geogig.api.SymRef;
import org.locationtech.geogig.api.plumbing.RefParse;
import org.locationtech.geogig.api.porcelain.BranchListOp;
import org.locationtech.geogig.api.porcelain.TagListOp;
import org.restlet.Context;
import org.restlet.data.Form;
import org.restlet.data.MediaType;
import org.restlet.data.Request;
import org.restlet.data.Response;
import org.restlet.resource.OutputRepresentation;
import org.restlet.resource.Resource;
import org.restlet.resource.Variant;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
/**
*
*/
public class ManifestResource extends Resource {
@Override
public void init(Context context, Request request, Response response) {
super.init(context, request, response);
List<Variant> variants = getVariants();
variants.add(new ManifestRepresentation(request));
}
private static class ManifestRepresentation extends OutputRepresentation {
private Request request;
public ManifestRepresentation(Request request) {
super(MediaType.TEXT_PLAIN);
this.request = request;
}
@Override
public void write(OutputStream out) throws IOException {
PrintWriter w = new PrintWriter(out);
Optional<GeoGIG> geogig = getGeogig(request);
Preconditions.checkState(geogig.isPresent());
GeoGIG ggit = geogig.get();
Form options = request.getResourceRef().getQueryAsForm();
boolean remotes = Boolean.valueOf(options.getFirstValue("remotes", "false"));
ImmutableList<Ref> refs = ggit.command(BranchListOp.class).setRemotes(remotes).call();
ImmutableList<RevTag> tags = ggit.command(TagListOp.class).call();
// Print out HEAD first
final Ref currentHead = ggit.command(RefParse.class).setName(Ref.HEAD).call().get();
if (!currentHead.getObjectId().equals(ObjectId.NULL)) {
w.write(currentHead.getName() + " ");
if (currentHead instanceof SymRef) {
w.write(((SymRef) currentHead).getTarget());
}
w.write(" ");
w.write(currentHead.getObjectId().toString());
w.write("\n");
}
// Print out the local branches
for (Ref ref : refs) {
if (!ref.getObjectId().equals(ObjectId.NULL)) {
w.write(ref.getName());
w.write(" ");
w.write(ref.getObjectId().toString());
w.write("\n");
}
}
// Print out the tags
for (RevTag tag : tags) {
w.write("refs/tags/");
w.write(tag.getName());
w.write(" ");
w.write(tag.getId().toString());
w.write("\n");
}
w.flush();
}
}
}