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## org.tmatesoft.svn.core
Class SVNAnnotationGenerator

    java.lang.Object
      org.tmatesoft.svn.core.SVNAnnotationGenerator

All Implemented Interfaces:
  ISVNDeltaConsumer, ISVNFileRevisionHandler

public class SVNAnnotationGenerator
extends Object
implements ISVNFileRevisionHandler

The SVNAnnotationGenerator class is used to annotate files - that is to place author and revision information in-line for the specified file.

Since SVNAnnotationGenerator implements ISVNFileRevisionHandler, it is merely passed to a `getFileRevisions()` method of SVNRepository. After that you handle the resultant annotated file line-by-line providing an ISVNAnnotateHandler implementation to the `reportAnnotations()` method:

     import org.tmatesoft.svn.core.SVNAnnotationGenerator;
     import org.tmatesoft.svn.core.io.SVNRepositoryFactory;
     import org.tmatesoft.svn.core.io.SVNRepository;
     import org.tmatesoft.svn.core.wc.SVNAnnotateHandler;
     ...

         File tmpFile;
         SVNRepository repos;
         ISVNAnnotateHandler annotateHandler;
         ISVNEventHandler cancelHandler;
         long startRev = 0;
         long endRev = 150;
         ...

         SVNAnnotationGenerator generator = new SVNAnnotationGenerator(path, tmpFile, cancelHandler);
         try {
             repos.getFileRevisions("", startRev, endRev, generator);
             generator.reportAnnotations(annotateHandler, null);
         } finally {
             generator.dispose();
         }
     ...

Since:
  1.2
Version:
  1.3
Author:
  TMate Software Ltd.

Constructor Summary
`SVNAnnotationGenerator(String path, File tmpDirectory, long startRevision, boolean force, boolean includeMergedRevisions, SVNDiffOptions diffOptions, String encoding, ISVNAnnotateHandler handler, ISVNEventHandler cancelBaton)` Constructs an annotation generator object.
`SVNAnnotationGenerator(String path, File tmpDirectory, long startRevision, boolean force, ISVNEventHandler cancelBaton)` Constructs an annotation generator object.
`SVNAnnotationGenerator(String path, File tmpDirectory, long startRevision, boolean force, SVNDiffOptions diffOptions, ISVNEventHandler cancelBaton)` Constructs an annotation generator object.
`SVNAnnotationGenerator(String path, File tmpDirectory, long startRevision, ISVNEventHandler cancelBaton)` Constructs an annotation generator object.

Method Summary
`void` | `applyTextDelta(String token, String baseChecksum)` Creates a temporary file for delta application.
`void` | `closeRevision(String token)` Does nothing.
`void` | `dispose()` Finalizes an annotation operation releasing resources involved by this generator.
`boolean` | `isLastRevisionReported()` This method is used by `SVNKit` internals and is not intended for API users.
`void` | `openRevision(SVNFileRevision fileRevision)` Handles a next revision.
`void` | `reportAnnotations(ISVNAnnotateHandler handler, String inputEncoding)` Dispatches file lines along with author & revision info to the provided annotation handler.
`OutputStream` | `textDeltaChunk(String token, SVNDiffWindow diffWindow)` Applies a next text delta chunk.
`void` | `textDeltaEnd(String token)` Marks the end of the text delta series.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SVNAnnotationGenerator

    public SVNAnnotationGenerator(String path,
                                  File tmpDirectory,
                                  long startRevision,
                                  ISVNEventHandler cancelBaton)

  Constructs an annotation generator object.

  This constructor is equivalent to `SVNAnnotationGenerator(path, tmpDirectory, startRevision, false, cancelBaton)`.

Parameters:
  `path` - a file path (relative to a repository location)
  `tmpDirectory` - a revision to stop at
  `startRevision` - a start revision to begin annotation with
  `cancelBaton` - a baton which is used to check if an operation is cancelled

### SVNAnnotationGenerator

    public SVNAnnotationGenerator(String path,
                                  File tmpDirectory,
                                  long startRevision,
                                  boolean force,
                                  ISVNEventHandler cancelBaton)

  Constructs an annotation generator object.

  This constructor is identical to `SVNAnnotationGenerator(path, tmpDirectory, startRevision, force, new SVNDiffOptions(), cancelBaton)`.

Parameters:
  `path` - a file path (relative to a repository location)
  `tmpDirectory` - a revision to stop at
  `startRevision` - a start revision to begin annotation with
  `force` - forces binary files processing
  `cancelBaton` - a baton which is used to check if an operation is cancelled

### SVNAnnotationGenerator

    public SVNAnnotationGenerator(String path,
                                  File tmpDirectory,
                                  long startRevision,
                                  boolean force,
                                  SVNDiffOptions diffOptions,
                                  ISVNEventHandler cancelBaton)

  Constructs an annotation generator object.

  This constructor is identical to `SVNAnnotationGenerator(path, tmpDirectory, startRevision, force, false, diffOptions, null, null, cancelBaton)`.

Parameters:
  `path` - a file path (relative to a repository location)
  `tmpDirectory` - a revision to stop at
  `startRevision` - a start revision to begin annotation with
  `force` - forces binary files processing
  `diffOptions` - diff options
  `cancelBaton` - a baton which is used to check if an operation is cancelled

### SVNAnnotationGenerator

    public SVNAnnotationGenerator(String path,
                                  File tmpDirectory,
                                  long startRevision,
                                  boolean force,
                                  boolean includeMergedRevisions,
                                  SVNDiffOptions diffOptions,
                                  String encoding,
                                  ISVNAnnotateHandler handler,
                                  ISVNEventHandler cancelBaton)

  Constructs an annotation generator object.

Parameters:
  `path` - a file path (relative to a repository location)
  `tmpDirectory` - a revision to stop at
  `startRevision` - a start revision to begin annotation with
  `force` - forces binary files processing
  `includeMergedRevisions` - whether to include merged revisions or not
  `diffOptions` - diff options
  `encoding` - charset name to use to encode annotation result
  `handler` - caller's annotation handler implementation
  `cancelBaton` - a baton which is used to check if an operation is cancelled
Since:
  1.2.0

Method Detail

### openRevision

    public void openRevision(SVNFileRevision fileRevision)
                      throws SVNException

  Handles a next revision.

  Specified by:
    `openRevision` in interface `ISVNFileRevisionHandler`
  Parameters:
    `fileRevision` -
  Throws:
    `SVNException` - if one of the following occurs:
    - exception with `SVNErrorCode.CLIENT_IS_BINARY_FILE` error code - if the file is binary and no forcing is specified
    - operation is cancelled
  See Also:
    `SVNFileRevision`

### closeRevision

    public void closeRevision(String token)
                       throws SVNException

  Does nothing.

  Specified by:
    `closeRevision` in interface `ISVNFileRevisionHandler`
  Parameters:
    `token` -
  Throws:
    `SVNException`

### applyTextDelta

    public void applyTextDelta(String token,
                               String baseChecksum)
                        throws SVNException

  Creates a temporary file for delta application.

  Specified by:
    `applyTextDelta` in interface `ISVNDeltaConsumer`
  Parameters:
    `token` - not used in this method
    `baseChecksum` - not used in this method
  Throws:
    `SVNException`

### textDeltaChunk

    public OutputStream textDeltaChunk(String token,
                                       SVNDiffWindow diffWindow)
                                throws SVNException

  Applies a next text delta chunk.

  Specified by:
    `textDeltaChunk` in interface `ISVNDeltaConsumer`
  Parameters:
    `token` - not used in this method
    `diffWindow` - next diff window
  Returns:
    dummy output stream
  Throws:
    `SVNException`

### textDeltaEnd

    public void textDeltaEnd(String token)
                      throws SVNException

  Marks the end of the text delta series.

  Specified by:
    `textDeltaEnd` in interface `ISVNDeltaConsumer`
  Parameters:
    `token` - not used in this method
  Throws:
    `SVNException`

### isLastRevisionReported

    public boolean isLastRevisionReported()

  This method is used by `SVNKit` internals and is not intended for API users.

  Returns:
    whether the last revision was reported or not yet
  Since:
    1.2.0

### reportAnnotations

    public void reportAnnotations(ISVNAnnotateHandler handler,
                                  String inputEncoding)
                           throws SVNException

  Dispatches file lines along with author & revision info to the provided annotation handler.

  If `inputEncoding` is null then "file.encoding" system property is used.

  Parameters:
    `handler` - an annotation handler that processes file lines with author & revision info
    `inputEncoding` - a desired character set (encoding) of text lines
  Throws:
    `SVNException`

### dispose

    public void dispose()

  Finalizes an annotation operation releasing resources involved by this generator. Should be called after `reportAnnotations()`.

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