Java Doc for JpegComFrame.java in  » Web-Server » Jigsaw » org » w3c » jigsaw » frames » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Server » Jigsaw » org.w3c.jigsaw.frames 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.w3c.jigsaw.frames.HTTPFrame
   org.w3c.jigsaw.frames.JpegComFrame

JpegComFrame
public class JpegComFrame extends HTTPFrame (Code)
This class will read the comments from a jpeg file and return it depending on the Accept: header


Field Summary
protected static  intATTR_COM_TYPE
    
protected  HttpEntityTagcometag
    
protected  Stringcomment
     The comment.
final public static  booleandebug
    
protected static  String[]vary
    


Method Summary
public  voidattributeChanged(AttributeChangedEvent evt)
     Listen its resource.
public  intcheckIfMatch(Request request, HttpEntityTag etag)
     Check the If-Match condition of that request.
Parameters:
  request - The request to check.
public  intcheckIfNoneMatch(Request request, HttpEntityTag etag)
     Check the If-None-Match condition of that request.
Parameters:
  request - The request to check.
public  intcheckValidators(Request request, HttpEntityTag etag)
    
public  ReplycreateCommentReply(Request request, int status)
    
public  ReplycreateCommentReply(Request request)
    
public  HttpEntityTaggetComETag()
    
public  MimeTypegetCommentType()
    
protected  ReplygetFileResource(Request request)
     Get for FileResource
Parameters:
  request - the incomming request.
protected  HttpAcceptgetMatchingAccept(HttpAccept accepts, MimeType mime)
    
protected  StringgetMetadata()
     Extract the comment from the jpeg image.
protected  ReplyheadFileResource(Request request)
     Perform a HEAD request for the associated FileResource.
Parameters:
  request - the incomming request.
protected  booleannegotiate(Request request)
     Negotiate.
Parameters:
  request - the incomming request.
protected  ReplyputFileResource(Request request)
    
protected  voidupdateCachedHeaders()
     Update the cached headers value.

Field Detail
ATTR_COM_TYPE
protected static int ATTR_COM_TYPE(Code)
Attribute index - The comment content type



cometag
protected HttpEntityTag cometag(Code)
The comment entity tag



comment
protected String comment(Code)
The comment.



debug
final public static boolean debug(Code)



vary
protected static String[] vary(Code)
the static String of the Vary ehader to be added





Method Detail
attributeChanged
public void attributeChanged(AttributeChangedEvent evt)(Code)
Listen its resource.



checkIfMatch
public int checkIfMatch(Request request, HttpEntityTag etag)(Code)
Check the If-Match condition of that request.
Parameters:
  request - The request to check. An integer, either COND_FAILED if conditionwas checked, but failed, COND_OK if condition was checkedand succeeded, or 0 if the condition was not checkedat all (eg because the resource or the request didn't support it).



checkIfNoneMatch
public int checkIfNoneMatch(Request request, HttpEntityTag etag)(Code)
Check the If-None-Match condition of that request.
Parameters:
  request - The request to check. An integer, either COND_FAILED if conditionwas checked, but failed, COND_OK if condition was checkedand succeeded, or 0 if the condition was not checkedat all (eg because the resource or the request didn't support it).



checkValidators
public int checkValidators(Request request, HttpEntityTag etag)(Code)
check the validators namely LMT/Etags according to rfc2616 rules An integer, either COND_FAILED if conditionwas checked, but failed, COND_OK if condition was checkedand succeeded, or 0 if the condition was not checkedat all (eg because the resource or the request didn't support it).



createCommentReply
public Reply createCommentReply(Request request, int status)(Code)



createCommentReply
public Reply createCommentReply(Request request)(Code)



getComETag
public HttpEntityTag getComETag()(Code)
Get the comment Etag an instance of HttpEntityTag, or null if notdefined.



getCommentType
public MimeType getCommentType()(Code)
get the content type of the comment embedded in the picture a MimeType, or null if undefined



getFileResource
protected Reply getFileResource(Request request) throws ProtocolException, ResourceException(Code)
Get for FileResource
Parameters:
  request - the incomming request. A Reply instance
exception:
  ProtocolException - If processsing the request failed.
exception:
  ResourceException - If the resource got a fatal error.



getMatchingAccept
protected HttpAccept getMatchingAccept(HttpAccept accepts, MimeType mime)(Code)



getMetadata
protected String getMetadata()(Code)
Extract the comment from the jpeg image. the comment



headFileResource
protected Reply headFileResource(Request request) throws ProtocolException, ResourceException(Code)
Perform a HEAD request for the associated FileResource.
Parameters:
  request - the incomming request. A Reply instance
exception:
  ProtocolException - If processsing the request failed.
exception:
  ResourceException - If the resource got a fatal error.



negotiate
protected boolean negotiate(Request request) throws ProtocolException(Code)
Negotiate.
Parameters:
  request - the incomming request. true if the client wants the comment, false if the client wants the image.



putFileResource
protected Reply putFileResource(Request request) throws ProtocolException, ResourceException(Code)
Allow PUT based only on ETags, otherwise PUT is done on the image itself
See Also:   HTTPFrame.putFileResource



updateCachedHeaders
protected void updateCachedHeaders()(Code)
Update the cached headers value. Each resource maintains a set of cached values for headers, this allows for a nice sped-up in headers marshalling, which - as the complexity of the protocol increases - becomes a bottleneck.



Fields inherited from org.w3c.jigsaw.frames.HTTPFrame
protected static int ATTR_ALLOW_DEL(Code)(Java Doc)
protected static int ATTR_BROWSABLE(Code)(Java Doc)
protected static int ATTR_CHARSET(Code)(Java Doc)
protected static int ATTR_CONTENT_ENCODING(Code)(Java Doc)
protected static int ATTR_CONTENT_LANGUAGE(Code)(Java Doc)
protected static int ATTR_CONTENT_LENGTH(Code)(Java Doc)
protected static int ATTR_CONTENT_TYPE(Code)(Java Doc)
protected static int ATTR_ICON(Code)(Java Doc)
protected static int ATTR_ICONDIR(Code)(Java Doc)
protected static int ATTR_INDEX(Code)(Java Doc)
protected static int ATTR_INDEXES(Code)(Java Doc)
protected static int ATTR_MAXAGE(Code)(Java Doc)
protected static int ATTR_MD5(Code)(Java Doc)
protected static int ATTR_PUTABLE(Code)(Java Doc)
protected static int ATTR_QUALITY(Code)(Java Doc)
protected static int ATTR_RELOCATE(Code)(Java Doc)
protected static int ATTR_STYLE_LINK(Code)(Java Doc)
protected static int ATTR_TITLE(Code)(Java Doc)
final public static int COND_FAILED(Code)(Java Doc)
final public static int COND_OK(Code)(Java Doc)
final public static int COND_WEAK(Code)(Java Doc)
final public static String STATE_CONTENT_LOCATION(Code)(Java Doc)
protected boolean acceptRanges(Code)(Java Doc)
protected HttpTokenList allowed(Code)(Java Doc)
protected static MimeType browsetype(Code)(Java Doc)
HttpTokenList contentencoding(Code)(Java Doc)
HttpTokenList contentlanguage(Code)(Java Doc)
HttpInteger contentlength(Code)(Java Doc)
HttpMimeType contenttype(Code)(Java Doc)
protected DirectoryResource dresource(Code)(Java Doc)
HttpEntityTag etag(Code)(Java Doc)
protected FileResource fresource(Code)(Java Doc)
HttpDate lastmodified(Code)(Java Doc)
protected HtmlGenerator listing(Code)(Java Doc)
protected long listing_stamp(Code)(Java Doc)
HttpString md5Digest(Code)(Java Doc)

Methods inherited from org.w3c.jigsaw.frames.HTTPFrame
public void addStyleSheet(HtmlGenerator g)(Code)(Java Doc)
public void attributeChanged(AttributeChangedEvent evt)(Code)(Java Doc)
public Reply browse(Request request) throws ProtocolException(Code)(Java Doc)
public boolean checkExpect(Request request)(Code)(Java Doc)
public int checkIfMatch(Request request)(Code)(Java Doc)
public int checkIfModifiedSince(Request request)(Code)(Java Doc)
public int checkIfNoneMatch(Request request)(Code)(Java Doc)
public int checkIfUnmodifiedSince(Request request)(Code)(Java Doc)
public boolean checkRequest(RequestInterface request)(Code)(Java Doc)
public int checkValidators(Request request)(Code)(Java Doc)
public boolean computeContainerListing(boolean refresh)(Code)(Java Doc)
public String computeETag()(Code)(Java Doc)
protected File computeTrashDir(File dir)(Code)(Java Doc)
protected File computeTrashFile(File file)(Code)(Java Doc)
public Reply createDefaultReply(Request request, int status)(Code)(Java Doc)
protected Reply createFileReply(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public Reply delete(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected Reply deleteDirectoryResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected Reply deleteFileResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected Reply deleteMe(Request request) throws HTTPException(Code)(Java Doc)
protected Reply deleteOtherResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public Reply extended(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public Reply get(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected HttpTokenList getAllow()(Code)(Java Doc)
public boolean getAllowDeleteFlag()(Code)(Java Doc)
public boolean getBrowsableFlag()(Code)(Java Doc)
protected synchronized MimeType getBrowseType()(Code)(Java Doc)
public String getCharset()(Code)(Java Doc)
public String getContentEncoding()(Code)(Java Doc)
public String getContentLanguage()(Code)(Java Doc)
public int getContentLength()(Code)(Java Doc)
public MimeType getContentType()(Code)(Java Doc)
public Reply getDirectoryListing(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public DirectoryResource getDirectoryResource()(Code)(Java Doc)
protected Reply getDirectoryResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public HttpEntityTag getETag()(Code)(Java Doc)
public FileResource getFileResource()(Code)(Java Doc)
protected Reply getFileResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public String getHelpURL()(Code)(Java Doc)
public String getHelpURL(String topic)(Code)(Java Doc)
public String getIcon()(Code)(Java Doc)
public String getIconDirectory()(Code)(Java Doc)
public String getIndex()(Code)(Java Doc)
public String[] getIndexes()(Code)(Java Doc)
public boolean getMD5Flag()(Code)(Java Doc)
public long getMaxAge()(Code)(Java Doc)
protected Reply getOtherResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public boolean getPutableFlag()(Code)(Java Doc)
public double getQuality()(Code)(Java Doc)
public boolean getRelocateFlag()(Code)(Java Doc)
public String getStyleSheetURL()(Code)(Java Doc)
public String getTitle()(Code)(Java Doc)
public URL getURL(Request request)(Code)(Java Doc)
public Reply handleRangeRequest(Request request, HttpRange r) throws ProtocolException(Code)(Java Doc)
public Reply head(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected Reply headDirectoryResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected Reply headFileResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected Reply headOtherResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public void initialize(Hashtable defs)(Code)(Java Doc)
public Reply link(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public boolean lookup(LookupState ls, LookupResult lr) throws ProtocolException(Code)(Java Doc)
protected boolean lookupDirectory(LookupState ls, LookupResult lr) throws ProtocolException(Code)(Java Doc)
protected boolean lookupFile(LookupState ls, LookupResult lr) throws ProtocolException(Code)(Java Doc)
protected boolean lookupOther(LookupState ls, LookupResult lr) throws ProtocolException(Code)(Java Doc)
protected boolean lookupResource(LookupState ls, LookupResult lr) throws ProtocolException(Code)(Java Doc)
public Reply options(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public ReplyInterface perform(RequestInterface req) throws ProtocolException, ResourceException(Code)(Java Doc)
protected ReplyInterface performFrames(RequestInterface request) throws ProtocolException, ResourceException(Code)(Java Doc)
public void pickleValues(Hashtable defs)(Code)(Java Doc)
public Reply post(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public Reply put(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected Reply putFileResource(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
protected Reply putOtherResource(Request request) throws ProtocolException(Code)(Java Doc)
public void registerOtherResource(FramedResource resource)(Code)(Java Doc)
public void registerResource(FramedResource resource)(Code)(Java Doc)
public synchronized void setValue(int idx, Object value)(Code)(Java Doc)
public Reply trace(Request request) throws HTTPException, ClientException(Code)(Java Doc)
public Reply unlink(Request request) throws ProtocolException, ResourceException(Code)(Java Doc)
public double unsafeGetQuality()(Code)(Java Doc)
protected void updateCachedHeaders()(Code)(Java Doc)

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