G2-1775 Plan sprint tool

pj-plan/src/main/java/com/g2forge/project/plan/Plan.java

@@ -7,6 +7,7 @@ public class Plan implements IStructuredCommand {
 	public static void main(String[] args) throws Throwable {
 		final DispatchCommand.ManualBuilder builder = new DispatchCommand.ManualBuilder();
 		builder.command(new Download(), "download");
+		builder.command(new Sprints(), "sprints");
 		builder.main(args);
 	}
 }

pj-plan/src/main/java/com/g2forge/project/plan/Sprints.java

@@ -0,0 +1,39 @@
+package com.g2forge.project.plan;
+
+import java.io.InputStream;
+import java.io.PrintStream;
+
+import org.joda.time.DateTime;
+
+import com.g2forge.alexandria.command.command.IStandardCommand;
+import com.g2forge.alexandria.command.exit.IExit;
+import com.g2forge.alexandria.command.invocation.CommandInvocation;
+import com.g2forge.gearbox.jira.ExtendedJiraRestClient;
+import com.g2forge.gearbox.jira.JiraAPI;
+import com.g2forge.gearbox.jira.sprint.Sprint;
+import com.g2forge.gearbox.jira.sprint.SprintRestClient;
+
+public class Sprints implements IStandardCommand {
+	public static void main(String[] args) throws Throwable {
+		IStandardCommand.main(args, new Sprints());
+	}
+
+	@Override
+	public IExit invoke(CommandInvocation<InputStream, PrintStream> invocation) throws Throwable {
+		if (invocation.getArguments().size() != 2) throw new IllegalArgumentException();
+		final long initialSprintId = Long.parseLong(invocation.getArguments().get(0));
+		final int sprintDuration = Integer.parseInt(invocation.getArguments().get(1));
+
+		try (final ExtendedJiraRestClient client = JiraAPI.load().connect(true)) {
+			final SprintRestClient sprintClient = client.getSprintClient();
+			DateTime previousEnd = sprintClient.getSprintById(initialSprintId - 1).get().getEndDate();
+			for (long sprintId = initialSprintId; true; sprintId++) {
+				final DateTime currentEnd = previousEnd.plusDays(sprintDuration);
+				final Sprint sprint = Sprint.builder().id(sprintId).startDate(previousEnd).endDate(currentEnd).build();
+				invocation.getIo().getStandardError().append(sprintClient.getSprintById(sprintId).get().toString()).append(" -> ").println(sprint);
+				sprintClient.updateSprint(sprint).get();
+				previousEnd = currentEnd;
+			}
+		}
+	}
+}