com.google.gerrit.server.change.ChangeTriplet Maven / Gradle / Ivy
// Copyright (C) 2013 The Android Open Source Project
//
// 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.google.gerrit.server.change;
import com.google.auto.value.AutoValue;
import com.google.common.base.MoreObjects;
import com.google.gerrit.entities.BranchNameKey;
import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.Project;
import com.google.gerrit.extensions.restapi.Url;
import java.util.Optional;
@AutoValue
public abstract class ChangeTriplet {
public static String format(Change change) {
return format(change.getDest(), change.getKey());
}
private static String format(BranchNameKey branch, Change.Key change) {
return Url.encode(branch.project().get())
+ "~"
+ Url.encode(branch.shortName())
+ "~"
+ change.get();
}
/**
* Parse a triplet out of a string.
*
* @param triplet string of the form "project~branch~id".
* @return the triplet if the input string has the proper format, or absent if not.
*/
public static Optional parse(String triplet) {
int z = triplet.lastIndexOf('~');
int y = triplet.lastIndexOf('~', z - 1);
return parse(triplet, y, z);
}
public static Optional parse(String triplet, int y, int z) {
if (y < 0 || z < 0) {
return Optional.empty();
}
String project = Url.decode(triplet.substring(0, y));
String branch = Url.decode(triplet.substring(y + 1, z));
String changeId = triplet.substring(z + 1);
return Optional.of(
new AutoValue_ChangeTriplet(
BranchNameKey.create(Project.nameKey(project), branch), Change.key(changeId)));
}
public final Project.NameKey project() {
return branch().project();
}
public abstract BranchNameKey branch();
public abstract Change.Key id();
@Override
public final String toString() {
return MoreObjects.toStringHelper(this)
.add("project", branch().project())
.add("branch", branch().shortName())
.add("id", id())
.toString();
}
}