/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* See LICENSE.txt included in this distribution for the specific
* language governing permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at LICENSE.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
*/
package org.opensolaris.opengrok.history;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.logging.Level;
import org.opensolaris.opengrok.OpenGrokLogger;
import org.opensolaris.opengrok.util.Executor;
/**
* Parse source history for a AccuRev Repository
*
* @author Steven Haehn
*/
public class AccuRevHistoryParser implements Executor.StreamHandler {
private AccuRevRepository repository;
private History history;
private boolean foundHistory;
/**
* Parse the history for the specified file.
*
* @param file the file to parse history for
* @param repos Pointer to the {@code AccuRevRepository}
* @return object representing the file's history
* @throws HistoryException if a problem occurs while executing p4 command
*/
History parse(File file, Repository repos) throws HistoryException {
repository = (AccuRevRepository) repos;
history = null;
foundHistory = false;
String relPath = repository.getDepotRelativePath(file);
/*
* When the path given is really just the root to the source
* workarea, no history is available, create fake.
*/
if (relPath.equals("/./")) {
List<HistoryEntry> entries = new ArrayList<HistoryEntry>();
entries.add(new HistoryEntry(
"", new Date(), "OpenGrok", null, "Workspace Root", true));
history = new History(entries);
} else {
try {
/*
* Errors will be logged, so not bothering to add to the output.
*/
Executor executor = repository.getHistoryLogExecutor(file);
executor.exec(true, this);
/*
* Try again because there was no 'keep' history.
*/
if (!foundHistory) {
executor = repository.getHistoryLogExecutor(file);
executor.exec(true, this);
}
} catch (IOException e) {
throw new HistoryException(
"Failed to get history for: \""
+ file.getAbsolutePath() + "\"" + e);
}
}
return history;
}
public void processStream(InputStream input) throws IOException {
BufferedReader in = new BufferedReader(new InputStreamReader(input));
List<HistoryEntry> entries = new ArrayList<HistoryEntry>();
DateFormat df = repository.getDateFormat();
String line;
String user;
Date date;
HistoryEntry entry = null;
history = new History();
/*
* Accurev history of an element (directory or file) looks like:
*
* element: /./path/to/element eid: 238865 transaction 1486194; purge;
* 2012/02/28 12:46:55 ; user: tluksha version 2541/1 (2539/1)
*
* transaction 1476285; purge; 2012/02/03 12:16:25 ; user: shaehn
* version 4241/1 (4241/1)
*
* transaction 1317224; promote; 2011/05/03 11:37:56 ; user: mtrinh #
* changes to ngb to compile on windows version 13/93 (1000/2)
*
* ...
*
* What is of interest then is: user (author), version (revision), date,
* comment (message)
*
* Any lines not recognized are ignored.
*/
while ((line = in.readLine()) != null) {
if (line.startsWith("e")) {
continue;
} // ignore element, eid
if (line.startsWith("t")) { // found transaction
String data[] = line.split("; ");
entry = new HistoryEntry();
foundHistory = true;
user = data[3].replaceFirst("user: ", "");
entry.setMessage("");
entry.setAuthor(user);
try {
date = df.parse(data[2]);
entry.setDate(date);
} catch (ParseException pe) {
OpenGrokLogger.getLogger().log(
Level.WARNING, "Could not parse date: " + line, pe);
}
} else if (line.startsWith(" #")) { // found comment
entry.appendMessage(line.substring(3));
} else if (line.startsWith(" v")) { // found version
String data[] = line.split("\\s+");
entry.setRevision(data[2]);
entry.setActive(true);
entries.add(entry);
}
}
history.setHistoryEntries(entries);
}
}