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Java Source Code / Java Documentation » Web Crawler » heritrix » org.archive.crawler.writer 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.archive.crawler.framework.WriterPoolProcessor
   org.archive.crawler.writer.ExperimentalWARCWriterProcessor

ExperimentalWARCWriterProcessor
public class ExperimentalWARCWriterProcessor extends WriterPoolProcessor implements CoreAttributeConstants,CrawlStatusListener,WriterPoolSettings,FetchStatusCodes,WARCConstants(Code)
Experimental WARCWriterProcessor. Goes against the pending release of 0.12 of the WARC specification, the "Marcel Marceau" release. See latest revision for current state. The 0.10 WARC implemenation has been moved to ExperimentalV10WARCWriterProcessor .

TODO: Remove ANVLRecord. Rename NameValue or use RFC822 (commons-httpclient?) or find something else.
author:
   stack



Field Summary
final public static  StringATTR_WRITE_METADATA
    
final public static  StringATTR_WRITE_REQUESTS
    
final public static  StringATTR_WRITE_REVISIT_FOR_IDENTICAL_DIGESTS
    
final public static  StringATTR_WRITE_REVISIT_FOR_NOT_MODIFIED
    

Constructor Summary
public  ExperimentalWARCWriterProcessor(String name)
    

Method Summary
protected  String[]getDefaultPath()
    
protected  StringgetFirstrecordStylesheet()
    
protected  URIgetRecordID()
    
protected  voidinnerProcess(CrawlURI curi)
     Writes a CrawlURI and its associated data to store file.
protected  URIqualifyRecordID(URI base, String key, String value)
    
protected  voidsaveHeader(String origName, HttpMethodBase method, ANVLRecord headers, String newName)
    
protected  voidsetupPool(AtomicInteger serialNo)
    
protected  voidwrite(String lowerCaseScheme, CrawlURI curi)
    
protected  URIwriteMetadata(ExperimentalWARCWriter w, String timestamp, URI baseid, CrawlURI curi, ANVLRecord namedFields)
    
protected  URIwriteRequest(ExperimentalWARCWriter w, String timestamp, String mimetype, URI baseid, CrawlURI curi, ANVLRecord namedFields)
    
protected  URIwriteResponse(ExperimentalWARCWriter w, String timestamp, String mimetype, URI baseid, CrawlURI curi, ANVLRecord namedFields)
    
protected  URIwriteRevisitDigest(ExperimentalWARCWriter w, String timestamp, String mimetype, URI baseid, CrawlURI curi, ANVLRecord namedFields)
    
protected  URIwriteRevisitNotModified(ExperimentalWARCWriter w, String timestamp, URI baseid, CrawlURI curi, ANVLRecord namedFields)
    

Field Detail
ATTR_WRITE_METADATA
final public static String ATTR_WRITE_METADATA(Code)
Key for whether to write 'metadata' type records where possible



ATTR_WRITE_REQUESTS
final public static String ATTR_WRITE_REQUESTS(Code)
Key for whether to write 'request' type records where possible



ATTR_WRITE_REVISIT_FOR_IDENTICAL_DIGESTS
final public static String ATTR_WRITE_REVISIT_FOR_IDENTICAL_DIGESTS(Code)
Key for whether to write 'revisit' type records when consecutive identical digest



ATTR_WRITE_REVISIT_FOR_NOT_MODIFIED
final public static String ATTR_WRITE_REVISIT_FOR_NOT_MODIFIED(Code)
Key for whether to write 'revisit' type records for server "304 not modified" responses




Constructor Detail
ExperimentalWARCWriterProcessor
public ExperimentalWARCWriterProcessor(String name)(Code)

Parameters:
  name - Name of this writer.




Method Detail
getDefaultPath
protected String[] getDefaultPath()(Code)



getFirstrecordStylesheet
protected String getFirstrecordStylesheet()(Code)



getRecordID
protected URI getRecordID() throws IOException(Code)



innerProcess
protected void innerProcess(CrawlURI curi)(Code)
Writes a CrawlURI and its associated data to store file. Currently this method understands the following uri types: dns, http, and https.
Parameters:
  curi - CrawlURI to process.



qualifyRecordID
protected URI qualifyRecordID(URI base, String key, String value) throws IOException(Code)



saveHeader
protected void saveHeader(String origName, HttpMethodBase method, ANVLRecord headers, String newName)(Code)
Save a header from the given HTTP operation into the provider headers under a new name
Parameters:
  origName - header name to get if present
Parameters:
  method - http operation containing headers



setupPool
protected void setupPool(AtomicInteger serialNo)(Code)



write
protected void write(String lowerCaseScheme, CrawlURI curi) throws IOException(Code)



writeMetadata
protected URI writeMetadata(ExperimentalWARCWriter w, String timestamp, URI baseid, CrawlURI curi, ANVLRecord namedFields) throws IOException(Code)



writeRequest
protected URI writeRequest(ExperimentalWARCWriter w, String timestamp, String mimetype, URI baseid, CrawlURI curi, ANVLRecord namedFields) throws IOException(Code)



writeResponse
protected URI writeResponse(ExperimentalWARCWriter w, String timestamp, String mimetype, URI baseid, CrawlURI curi, ANVLRecord namedFields) throws IOException(Code)



writeRevisitDigest
protected URI writeRevisitDigest(ExperimentalWARCWriter w, String timestamp, String mimetype, URI baseid, CrawlURI curi, ANVLRecord namedFields) throws IOException(Code)



writeRevisitNotModified
protected URI writeRevisitNotModified(ExperimentalWARCWriter w, String timestamp, URI baseid, CrawlURI curi, ANVLRecord namedFields) throws IOException(Code)



Fields inherited from org.archive.crawler.framework.WriterPoolProcessor
final protected static String ANNOTATION_UNWRITTEN(Code)(Java Doc)
final public static String ATTR_COMPRESS(Code)(Java Doc)
final public static String ATTR_MAX_BYTES_WRITTEN(Code)(Java Doc)
final public static String ATTR_MAX_SIZE_BYTES(Code)(Java Doc)
final public static String ATTR_PATH(Code)(Java Doc)
final public static String ATTR_POOL_MAX_ACTIVE(Code)(Java Doc)
final public static String ATTR_POOL_MAX_WAIT(Code)(Java Doc)
final public static String ATTR_PREFIX(Code)(Java Doc)
final public static String ATTR_SKIP_IDENTICAL_DIGESTS(Code)(Java Doc)
final public static String ATTR_SUFFIX(Code)(Java Doc)
final public static boolean DEFAULT_COMPRESS(Code)(Java Doc)

Methods inherited from org.archive.crawler.framework.WriterPoolProcessor
protected synchronized List<String> cacheMetadata()(Code)(Java Doc)
protected void checkBytesWritten()(Code)(Java Doc)
protected void checkpointRecover()(Code)(Java Doc)
public void crawlCheckpoint(File checkpointDir) throws IOException(Code)(Java Doc)
public void crawlEnded(String sExitMessage)(Code)(Java Doc)
public void crawlEnding(String sExitMessage)(Code)(Java Doc)
public void crawlPaused(String statusMessage)(Code)(Java Doc)
public void crawlPausing(String statusMessage)(Code)(Java Doc)
public void crawlResuming(String statusMessage)(Code)(Java Doc)
public void crawlStarted(String message)(Code)(Java Doc)
public Object getAttributeUnchecked(String name)(Code)(Java Doc)
protected String getCheckpointStateFile()(Code)(Java Doc)
protected String[] getDefaultPath()(Code)(Java Doc)
protected String getFirstrecordBody(File orderFile)(Code)(Java Doc)
protected String getFirstrecordStylesheet()(Code)(Java Doc)
protected String getHostAddress(CrawlURI curi)(Code)(Java Doc)
public long getMaxSize()(Code)(Java Doc)
public long getMaxToWrite()(Code)(Java Doc)
public synchronized List<String> getMetadata()(Code)(Java Doc)
public List<File> getOutputDirs()(Code)(Java Doc)
protected WriterPool getPool()(Code)(Java Doc)
public int getPoolMaximumActive()(Code)(Java Doc)
public int getPoolMaximumWait()(Code)(Java Doc)
public String getPrefix()(Code)(Java Doc)
protected AtomicInteger getSerialNo()(Code)(Java Doc)
public String getSuffix()(Code)(Java Doc)
protected long getTotalBytesWritten()(Code)(Java Doc)
public synchronized void initialTasks()(Code)(Java Doc)
abstract protected void innerProcess(CrawlURI curi)(Code)(Java Doc)
public boolean isCompressed()(Code)(Java Doc)
protected int loadCheckpointSerialNumber()(Code)(Java Doc)
protected void saveCheckpointSerialNumber(File checkpointDir, int serialNo) throws IOException(Code)(Java Doc)
protected void setPool(WriterPool pool)(Code)(Java Doc)
protected void setTotalBytesWritten(long totalBytesWritten)(Code)(Java Doc)
abstract protected void setupPool(AtomicInteger serialNo)(Code)(Java Doc)
protected boolean shouldWrite(CrawlURI curi)(Code)(Java Doc)

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