/**
* Copyright (c) 2002-2007 Yuri Schimke. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.baulsupp.kolja.ansi.reports;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import com.baulsupp.kolja.ansi.reports.TextReport.Detail;
import com.baulsupp.kolja.log.line.BasicLineIterator;
import com.baulsupp.kolja.log.line.Line;
import com.baulsupp.kolja.log.line.LineIndex;
import com.baulsupp.kolja.log.line.LineIterator;
import com.baulsupp.kolja.log.util.IntRange;
import com.baulsupp.kolja.log.viewer.event.Event;
import com.baulsupp.kolja.log.viewer.event.EventDetector;
import com.baulsupp.kolja.log.viewer.importing.DefaultLineIndexFactory;
import com.baulsupp.kolja.log.viewer.importing.LineIndexFactory;
import com.baulsupp.kolja.log.viewer.importing.LogFormat;
import com.baulsupp.kolja.log.viewer.request.RequestDetector;
import com.baulsupp.kolja.log.viewer.request.RequestIndex;
import com.baulsupp.kolja.log.viewer.request.RequestLine;
/**
* @author Yuri Schimke
*/
public class DefaultReportEngine implements ReportEngine, ReportContext {
protected LineIterator i;
protected java.util.List<TextReport<?>> reports;
private RequestDetector requestIndex;
private boolean showEvents;
private EventDetector eventList;
private boolean showRequests;
protected ReportPrinter reportPrinter;
private LogFormat format;
private LineIndexFactory lineIndexFactory = new DefaultLineIndexFactory();
public DefaultReportEngine() {
}
public void setReportPrinter(ReportPrinter reportPrinter) {
this.reportPrinter = reportPrinter;
}
public void setReports(java.util.List<TextReport<?>> reports) {
this.reports = reports;
}
public void setRequestIndex(RequestIndex requestIndex) {
this.requestIndex = requestIndex;
}
public void setEventList(EventDetector eventList) {
this.eventList = eventList;
}
public void setLineIndexFactory(LineIndexFactory lineIndexFactory) {
this.lineIndexFactory = lineIndexFactory;
}
public Line readLine(int pos) {
i.moveTo(pos);
return i.next();
}
public boolean hasMultipleReports() {
return reports.size() > 1;
}
protected void iterateThroughFile(LineIterator i) {
while (i.hasNext()) {
Line l = i.next();
processLine(l);
}
}
public void run(File file, LineIterator i) throws InterruptedException, IOException {
this.i = i;
for (TextReport<?> r : reports) {
r.beforeFile(file);
}
iterateThroughFile(i);
processRequests();
for (TextReport<?> r : reports) {
r.afterFile(file);
}
this.i = null;
}
protected void processLine(Line line) {
for (TextReport<?> r : reports) {
r.processLine(line);
}
if (showEvents) {
Event event = eventList.readEvent(line);
if (event != null) {
for (TextReport<?> r : reports) {
r.processEvent(event);
}
}
}
if (showRequests) {
requestIndex.processLine(null, line);
}
}
private void processRequests() {
if (showRequests) {
Collection<RequestLine> requests = requestIndex.getKnown();
for (RequestLine requestLine : requests) {
for (TextReport<?> r : reports) {
r.processRequest(requestLine);
}
}
}
}
public void initialise() throws IOException {
showRequests = show(Detail.REQUESTS) && format.supportsRequests();
showEvents = show(Detail.EVENTS) && format.supportsEvents();
for (TextReport<?> r : reports) {
r.initialise(reportPrinter, this);
}
}
private boolean show(Detail detail) {
for (TextReport<?> r : reports) {
if (r.isInterested(detail)) {
return true;
}
}
return false;
}
public void completed() throws IOException {
boolean first = true;
for (TextReport<?> r : reports) {
if (!first) {
reportPrinter.printLine();
} else {
first = false;
}
r.completed();
}
reportPrinter.completed();
}
public void process(List<File> commandFiles) throws Exception {
for (File file : commandFiles) {
process(file, null);
}
}
public void process(File file, IntRange intRange) throws Exception {
LineIterator lineIterator;
if (requiresRandomAccess()) {
LineIndex li = lineIndexFactory.buildLineIndex(file, format);
if (showRequests) {
RequestIndex requestIndex = format.getRequestIndex(li);
setRequestIndex(requestIndex);
}
if (showEvents) {
EventDetector eventList = format.getEventDetector();
setEventList(eventList);
}
lineIterator = new BasicLineIterator(li, intRange);
} else {
lineIterator = lineIndexFactory.buildForwardsLineIterator(file, format, intRange);
}
run(file, lineIterator);
}
private boolean requiresRandomAccess() {
return showRequests || showEvents;
}
public void setLogFormat(LogFormat format) {
this.format = format;
}
}