private void handleCaseOfImage(HTML dequeuedHtml) {
// TODO Auto-generated method stub
int contentLength = extractContentLength(dequeuedHtml);
if (contentLength != -1) {
synchronized (m_ResultWrapper.m_ImageAggregator) {
m_ResultWrapper.m_ImageAggregator.m_NumOfImages++;
m_ResultWrapper.m_ImageAggregator.m_TotalSizeInBytes += contentLength;
}
} else {
System.out.println(dequeuedHtml.GetHeader() + " will not be aggregated!!!");
}
// int ContentLength = -1;
// String regex = "Content-Length:\\s+([\\d]*)";
// Pattern pat = Pattern.compile(regex);
// Matcher m = pat.matcher(dequeuedHtml.GetHeader());
// if (m.find()) {
// try {
// ContentLength = Integer.parseInt(m.group(1));
// System.out.println("content length is: " + ContentLength);
// // TODO: saveSomewhere
// synchronized (m_ResultWrapper.m_ImageAggregator) {
// m_ResultWrapper.m_ImageAggregator.m_NumOfImages++;
// m_ResultWrapper.m_ImageAggregator.m_TotalSizeInBytes +=
// ContentLength;
// }
// } catch (NumberFormatException e) {
// // TODO: handle exception
// System.out.println("Could not parse Content-Lenght header is malformed\n"
// + dequeuedHtml.GetHeader());
// }
// }
}
private void HandleHTML(HTML dequeuedHtml, HTML.TypeOfHTML typeOfHtml) {
int contentLenght = extractContentLength(dequeuedHtml);
switch (typeOfHtml) {
case TEXT:
if (contentLenght != -1) {
synchronized (m_ResultWrapper) {
m_ResultWrapper.m_PageAggregator.m_NumOfPages++;
m_ResultWrapper.m_PageAggregator.m_TotalSizeOfPagesInBytes += contentLenght;
}
}
System.out.println("(Data of page was aggregated) content is text");
getImgLinks(dequeuedHtml);
getUrlLinks(dequeuedHtml); // TODO: can links have
// HTTP:// ?
break;
case IMAGE:
if (contentLenght != -1) {
synchronized (m_ResultWrapper) {
m_ResultWrapper.m_ImageAggregator.m_NumOfImages++;
m_ResultWrapper.m_ImageAggregator.m_TotalSizeInBytes += contentLenght;
}
} else { // TODO: Delete this, deubgging purposes
System.out.println(dequeuedHtml.GetHeader() + " will not be aggregated!!!");
}
break;
default:
break;
}
}
private int extractContentLength(HTML dequeuedHtml) {
int ContentLength = -1;
String regex = "Content-Length:\\s+([\\d]*)";
Pattern pat = Pattern.compile(regex);
Matcher m = pat.matcher(dequeuedHtml.GetHeader());
if (m.find()) {
try {
ContentLength = Integer.parseInt(m.group(1));
System.out.println("content length is: " + ContentLength);
} catch (NumberFormatException e) {
// TODO: handle exception
System.out.println(
"Could not parse Content-Lenght, header is malformed\n" + dequeuedHtml.GetHeader());
}
}
return ContentLength;
}
@Override
public void run() {
while (ThreadManager.isRunning) { // m_DownloadQueue.getSize() !=0 ||
// m_AnalyzeQueue.getSize() != 0) { // TODO: think about
// this condition
// HTML dequeuedHtml = m_AnalyzeQueue.dequeue();
ThreadManager.updateStateAnalyzer(true);
HTML dequeuedHtml = m_AnalyzeQueue.dequeue();
if (dequeuedHtml != null) {
ThreadManager.updateStateAnalyzer(false);
System.out.println("Analyzer: dequeued: \n Header:\n" + dequeuedHtml.GetHeader());
try {
String contentTypeOfHtml =
getContentTypeFromHeader(
dequeuedHtml.GetHeader()); // dequeuedHtml.GetContentType().toLowerCase();
if (contentTypeOfHtml.contains(IMAGE)) { // in case of image
// handle case of image
System.out.println("Analzyer: it is an image");
// TODO: check extension supported
// handleCaseOfImage(dequeuedHtml);
HandleHTML(dequeuedHtml, HTML.TypeOfHTML.IMAGE);
} else if (contentTypeOfHtml.contains(VIDEO)) { // in case
System.out.println("Analzyer: it is an video"); // of
// Video
// handle case of video
} else if (contentTypeOfHtml.contains(DOCUMENT)) { // in
// TODO: what is the command for document? <a href? <doc
// src=? // case
System.out.println("Analzyer: it is an document"); // //
// of
// Document
// handle case of document
} else if (contentTypeOfHtml.contains("text")) {
HandleHTML(dequeuedHtml, HTML.TypeOfHTML.TEXT);
// int contentLenght =
// extractContentLength(dequeuedHtml); // TODO: should
// be done in different method using enum
// if (contentLenght != -1) {
// synchronized (m_ResultWrapper) {
// m_ResultWrapper.m_PageAggregator.m_NumOfPages++;
// m_ResultWrapper.m_PageAggregator.m_TotalSizeOfPagesInBytes+=
// contentLenght;
// }
// }
// System.out.println("(Data of page was aggregated) content is text");
// getImgLinks(dequeuedHtml);
// getUrlLinks(dequeuedHtml); // TODO: can links have
// HTTP:// ?
} else {
System.out.println("Downloader: Error in content type of " + dequeuedHtml.toString());
}
} catch (Exception e) {
System.out.println("Couldnt get content type from: " + dequeuedHtml.GetHeader());
System.out.println(e.getMessage());
e.printStackTrace();
}
}
}
System.out.println("Analyzer Finished!");
// m_DownloadQueue.unregisterProducer();
}
