/**
* Copyright (C) 2005 - 2011 Eric Van Dewoestine
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.eclim.plugin.core.command.history;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import org.eclim.annotation.Command;
import org.eclim.command.CommandLine;
import org.eclim.command.Options;
import org.eclim.plugin.core.command.AbstractCommand;
import org.eclim.plugin.core.util.ProjectUtils;
import org.eclim.util.StringUtils;
import org.eclipse.core.internal.resources.File;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.team.core.history.IFileRevision;
import org.eclipse.team.internal.core.history.LocalFileHistory;
import org.joda.time.Period;
/**
* Command to list available local history revisions for a given file.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "history_list",
options =
"REQUIRED p project ARG," +
"REQUIRED f file ARG"
)
public class HistoryListCommand
extends AbstractCommand
{
private static final SimpleDateFormat DATE_FORMATTER =
new SimpleDateFormat("HH:mm EEE MMM dd yyyy");
/**
* {@inheritDoc}
* @see org.eclim.command.Command#execute(CommandLine)
*/
public Object execute(CommandLine commandLine)
throws Exception
{
String project = commandLine.getValue(Options.PROJECT_OPTION);
String filename = commandLine.getValue(Options.FILE_OPTION);
File file = (File)ProjectUtils.getFile(project, filename);
LocalFileHistory history =
new LocalFileHistory(file, false /* include current */);
history.refresh(new NullProgressMonitor());
IFileRevision[] revisions = history.getFileRevisions();
Arrays.sort(revisions, new Comparator<IFileRevision>(){
public int compare(IFileRevision r1, IFileRevision r2){
return (int)(r2.getTimestamp() - r1.getTimestamp());
}
});
ArrayList<HashMap<String,Object>> results =
new ArrayList<HashMap<String,Object>>();
for (IFileRevision revision : revisions){
HashMap<String,Object> result = new HashMap<String,Object>();
result.put("timestamp", String.valueOf(revision.getTimestamp()));
result.put("datetime",
DATE_FORMATTER.format(new Date(revision.getTimestamp())));
result.put("delta", delta(revision.getTimestamp()));
results.add(result);
}
return results;
}
private String delta(long time)
{
// FIXME: a formatter can probably do this.
Period period = new Period(time, System.currentTimeMillis());
ArrayList<String> parts = new ArrayList<String>();
int years = period.getYears();
if(years > 0){
parts.add(years + " year" + (years == 1 ? "" : "s"));
}
int months = period.getMonths();
if(months > 0){
parts.add(months + " month" + (months == 1 ? "" : "s"));
}
int weeks = period.getWeeks();
if(weeks > 0){
parts.add(weeks + " week" + (weeks == 1 ? "" : "s"));
}
int days = period.getDays();
if(days > 0){
parts.add(days + " day" + (days == 1 ? "" : "s"));
}
int hours = period.getHours();
if(hours > 0){
parts.add(hours + " hour" + (hours == 1 ? "" : "s"));
}
int minutes = period.getMinutes();
if(minutes > 0){
parts.add(minutes + " minute" + (minutes == 1 ? "" : "s"));
}
int seconds = period.getSeconds();
if(seconds > 0){
parts.add(seconds + " second" + (seconds == 1 ? "" : "s"));
}
if(parts.size() == 0){
int millis = period.getMillis();
if(millis > 0){
parts.add(millis + " millis");
}
}
return StringUtils.join(parts.toArray(), ' ') + " ago";
}
}