You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
214 lines
10 KiB
214 lines
10 KiB
package de.anomic.crawler;
|
|
|
|
import java.io.File;
|
|
import java.io.IOException;
|
|
import java.util.HashMap;
|
|
import java.util.HashSet;
|
|
import java.util.Iterator;
|
|
|
|
import de.anomic.plasma.plasmaWordIndex;
|
|
|
|
public class NoticeURLImporter extends AbstractImporter implements Importer {
|
|
|
|
private File plasmaPath = null;
|
|
private final HashSet<String> importProfileHandleCache = new HashSet<String>();
|
|
private final CrawlProfile importProfileDB;
|
|
private final NoticedURL importNurlDB;
|
|
private final int importStartSize;
|
|
private int urlCount = 0;
|
|
private int profileCount = 0;
|
|
private final CrawlQueues crawlQueues;
|
|
private final CrawlProfile activeCrawls;
|
|
private final ImporterManager dbImportManager;
|
|
|
|
public NoticeURLImporter(final File crawlerPath, final CrawlQueues crawlQueues, final CrawlProfile activeCrawls, final ImporterManager dbImportManager) {
|
|
super("NURL");
|
|
this.crawlQueues = crawlQueues;
|
|
this.activeCrawls = activeCrawls;
|
|
this.dbImportManager = dbImportManager;
|
|
|
|
// TODO: we need more error handling here
|
|
this.plasmaPath = crawlerPath;
|
|
final File noticeUrlDbFile = new File(plasmaPath,"urlNotice1.db");
|
|
final File profileDbFile = new File(plasmaPath, plasmaWordIndex.DBFILE_ACTIVE_CRAWL_PROFILES);
|
|
|
|
String errorMsg = null;
|
|
if (!plasmaPath.exists())
|
|
errorMsg = "The import path '" + plasmaPath + "' does not exist.";
|
|
else if (!plasmaPath.isDirectory())
|
|
errorMsg = "The import path '" + plasmaPath + "' is not a directory.";
|
|
else if (!plasmaPath.canRead())
|
|
errorMsg = "The import path '" + plasmaPath + "' is not readable.";
|
|
else if (!plasmaPath.canWrite())
|
|
errorMsg = "The import path '" + plasmaPath + "' is not writeable.";
|
|
|
|
else if (!noticeUrlDbFile.exists())
|
|
errorMsg = "The noticeUrlDB file '" + noticeUrlDbFile + "' does not exist.";
|
|
else if (noticeUrlDbFile.isDirectory())
|
|
errorMsg = "The noticeUrlDB file '" + noticeUrlDbFile + "' is not a file.";
|
|
else if (!noticeUrlDbFile.canRead())
|
|
errorMsg = "The noticeUrlDB file '" + noticeUrlDbFile + "' is not readable.";
|
|
else if (!noticeUrlDbFile.canWrite())
|
|
errorMsg = "The noticeUrlDB file '" + noticeUrlDbFile + "' is not writeable.";
|
|
|
|
else if (!profileDbFile.exists())
|
|
errorMsg = "The profileDB file '" + profileDbFile + "' does not exist.";
|
|
else if (profileDbFile.isDirectory())
|
|
errorMsg = "The profileDB file '" + profileDbFile + "' is not a file.";
|
|
else if (!profileDbFile.canRead())
|
|
errorMsg = "The profileDB file '" + profileDbFile + "' is not readable.";
|
|
// else if (!profileDbFile.canWrite())
|
|
// errorMsg = "The profileDB file '" + profileDbFile + "' is not writeable.";
|
|
|
|
if (errorMsg != null) {
|
|
this.log.logSevere(errorMsg);
|
|
throw new IllegalArgumentException(errorMsg);
|
|
}
|
|
|
|
// init noticeUrlDB
|
|
this.log.logInfo("Initializing the source noticeUrlDB");
|
|
this.importNurlDB = new NoticedURL(plasmaPath);
|
|
this.importStartSize = this.importNurlDB.size();
|
|
//int stackSize = this.importNurlDB.stackSize();
|
|
|
|
// init profile DB
|
|
this.log.logInfo("Initializing the source profileDB");
|
|
this.importProfileDB = new CrawlProfile(profileDbFile);
|
|
}
|
|
|
|
public long getEstimatedTime() {
|
|
return (this.urlCount==0)?0:((this.importStartSize*getElapsedTime())/(this.urlCount))-getElapsedTime();
|
|
}
|
|
|
|
public String getJobName() {
|
|
return this.plasmaPath.toString();
|
|
}
|
|
|
|
public int getProcessingStatusPercent() {
|
|
return (this.urlCount)/((this.importStartSize<100)?1:(this.importStartSize)/100);
|
|
}
|
|
|
|
public String getStatus() {
|
|
final StringBuffer theStatus = new StringBuffer();
|
|
|
|
theStatus.append("#URLs=").append(this.urlCount).append("\n");
|
|
theStatus.append("#Profiles=").append(this.profileCount);
|
|
|
|
return theStatus.toString();
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
public void run() {
|
|
try {
|
|
// waiting on init thread to finish
|
|
//this.importNurlDB.waitOnInitThread();
|
|
|
|
// the stack types we want to import
|
|
final int[] stackTypes = new int[] {
|
|
NoticedURL.STACK_TYPE_CORE,
|
|
NoticedURL.STACK_TYPE_LIMIT,
|
|
NoticedURL.STACK_TYPE_REMOTE,
|
|
-1};
|
|
|
|
// looping through the various stacks
|
|
for (int stackType=0; stackType< stackTypes.length; stackType++) {
|
|
if (stackTypes[stackType] != -1) {
|
|
this.log.logInfo("Starting to import stacktype '" + stackTypes[stackType] + "' containing '" + this.importNurlDB.stackSize(stackTypes[stackType]) + "' entries.");
|
|
} else {
|
|
this.log.logInfo("Starting to import '" + this.importNurlDB.size() + "' entries not available in any stack.");
|
|
}
|
|
|
|
// getting an iterator and loop through the URL entries
|
|
final Iterator<CrawlEntry> entryIter = (stackTypes[stackType] == -1) ? this.importNurlDB.iterator(stackType) : null;
|
|
while (true) {
|
|
|
|
String nextHash = null;
|
|
CrawlEntry nextEntry = null;
|
|
|
|
try {
|
|
if (stackTypes[stackType] != -1) {
|
|
if (this.importNurlDB.stackSize(stackTypes[stackType]) == 0) break;
|
|
|
|
this.urlCount++;
|
|
nextEntry = this.importNurlDB.pop(stackTypes[stackType], false);
|
|
nextHash = nextEntry.url().hash();
|
|
} else {
|
|
if (!entryIter.hasNext()) break;
|
|
|
|
this.urlCount++;
|
|
nextEntry = entryIter.next();
|
|
nextHash = nextEntry.url().hash();
|
|
}
|
|
} catch (final IOException e) {
|
|
this.log.logWarning("Unable to import entry: " + e.toString());
|
|
|
|
if ((stackTypes[stackType] != -1) &&(this.importNurlDB.stackSize(stackTypes[stackType]) == 0)) break;
|
|
continue;
|
|
}
|
|
|
|
// getting a handler to the crawling profile the url belongs to
|
|
try {
|
|
final String profileHandle = nextEntry.profileHandle();
|
|
if (profileHandle == null) {
|
|
this.log.logWarning("Profile handle of url entry '" + nextHash + "' unknown.");
|
|
continue;
|
|
}
|
|
|
|
// if we havn't imported the profile until yet we need to do it now
|
|
if (!this.importProfileHandleCache.contains(profileHandle)) {
|
|
|
|
// testing if the profile is already known
|
|
final CrawlProfile.entry profileEntry = this.activeCrawls.getEntry(profileHandle);
|
|
|
|
// if not we need to import it
|
|
if (profileEntry == null) {
|
|
// copy and store the source profile entry into the destination db
|
|
final CrawlProfile.entry sourceEntry = this.importProfileDB.getEntry(profileHandle);
|
|
if (sourceEntry != null) {
|
|
this.profileCount++;
|
|
this.importProfileHandleCache.add(profileHandle);
|
|
this.activeCrawls.newEntry((HashMap<String, String>) sourceEntry.map().clone());
|
|
} else {
|
|
this.log.logWarning("Profile '" + profileHandle + "' of url entry '" + nextHash + "' unknown.");
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
// if the url does not alredy exists in the destination stack we insert it now
|
|
if (!this.crawlQueues.noticeURL.existsInStack(nextHash)) {
|
|
this.crawlQueues.noticeURL.push((stackTypes[stackType] != -1) ? stackTypes[stackType] : NoticedURL.STACK_TYPE_CORE, nextEntry);
|
|
}
|
|
|
|
// removing hash from the import db
|
|
} finally {
|
|
this.importNurlDB.removeByURLHash(nextHash);
|
|
}
|
|
|
|
if (this.urlCount % 100 == 0) {
|
|
this.log.logFine(this.urlCount + " URLs and '" + this.profileCount + "' profile entries processed so far.");
|
|
}
|
|
if (this.isAborted()) break;
|
|
}
|
|
this.log.logInfo("Finished to import stacktype '" + stackTypes[stackType] + "'");
|
|
}
|
|
|
|
//int size = this.importNurlDB.size();
|
|
//int stackSize = this.importNurlDB.stackSize();
|
|
|
|
// TODO: what todo with nurlDB entries that do not exist in any stack?
|
|
|
|
} catch (final Exception e) {
|
|
this.error = e.toString();
|
|
this.log.logSevere("Import process had detected an error",e);
|
|
} finally {
|
|
this.log.logInfo("Import process finished.");
|
|
this.globalEnd = System.currentTimeMillis();
|
|
this.dbImportManager.finishedJobs.add(this);
|
|
this.importNurlDB.close();
|
|
this.importProfileDB.close();
|
|
}
|
|
}
|
|
|
|
}
|