@ -51,9 +51,6 @@ import java.io.ByteArrayOutputStream;
import java.io.EOFException ;
import java.io.IOException ;
import java.io.InputStream ;
import java.io.OutputStreamWriter ;
import java.io.UnsupportedEncodingException ;
import java.nio.charset.Charset ;
import java.security.MessageDigest ;
import java.text.MessageFormat ;
@ -73,16 +70,6 @@ import org.eclipse.jgit.errors.ObjectWritingException;
* otherwise making the returned ObjectIds visible to other code .
* /
public abstract class ObjectInserter {
private static final byte [ ] htree = Constants . encodeASCII ( "tree" ) ;
private static final byte [ ] hparent = Constants . encodeASCII ( "parent" ) ;
private static final byte [ ] hauthor = Constants . encodeASCII ( "author" ) ;
private static final byte [ ] hcommitter = Constants . encodeASCII ( "committer" ) ;
private static final byte [ ] hencoding = Constants . encodeASCII ( "encoding" ) ;
/** An inserter that can be used for formatting and id generation only. */
public static class Formatter extends ObjectInserter {
@Override
@ -194,6 +181,38 @@ public abstract class ObjectInserter {
return ObjectId . fromRaw ( md . digest ( ) ) ;
}
/ * *
* Insert a single commit into the store , returning its unique name .
*
* As a side effect , { @link CommitBuilder # getCommitId ( ) } will also be
* populated with the returned ObjectId .
*
* @param builder
* the builder containing the proposed commit ' s data .
* @return the name of the commit object .
* @throws IOException
* the object could not be stored .
* /
public final ObjectId insert ( CommitBuilder builder ) throws IOException {
return insert ( Constants . OBJ_COMMIT , builder . format ( this ) ) ;
}
/ * *
* Insert a single annotated tag into the store , returning its unique name .
*
* As a side effect , { @link TagBuilder # getTagId ( ) } will also be populated
* with the returned ObjectId .
*
* @param builder
* the builder containing the proposed tag ' s data .
* @return the name of the tag object .
* @throws IOException
* the object could not be stored .
* /
public final ObjectId insert ( TagBuilder builder ) throws IOException {
return insert ( Constants . OBJ_TAG , builder . format ( this ) ) ;
}
/ * *
* Insert a single object into the store , returning its unique name .
*
@ -293,107 +312,4 @@ public abstract class ObjectInserter {
}
return o . toByteArray ( ) ;
}
/ * *
* Format a Commit in canonical format .
*
* @param commit
* the commit object to format
* @return canonical encoding of the commit object .
* @throws UnsupportedEncodingException
* the commit ' s chosen encoding isn ' t supported on this JVM .
* /
public final byte [ ] format ( CommitBuilder commit )
throws UnsupportedEncodingException {
Charset encoding = commit . getEncoding ( ) ;
ByteArrayOutputStream os = new ByteArrayOutputStream ( ) ;
OutputStreamWriter w = new OutputStreamWriter ( os , encoding ) ;
try {
os . write ( htree ) ;
os . write ( ' ' ) ;
commit . getTreeId ( ) . copyTo ( os ) ;
os . write ( '\n' ) ;
for ( ObjectId p : commit . getParentIds ( ) ) {
os . write ( hparent ) ;
os . write ( ' ' ) ;
p . copyTo ( os ) ;
os . write ( '\n' ) ;
}
os . write ( hauthor ) ;
os . write ( ' ' ) ;
w . write ( commit . getAuthor ( ) . toExternalString ( ) ) ;
w . flush ( ) ;
os . write ( '\n' ) ;
os . write ( hcommitter ) ;
os . write ( ' ' ) ;
w . write ( commit . getCommitter ( ) . toExternalString ( ) ) ;
w . flush ( ) ;
os . write ( '\n' ) ;
if ( encoding ! = Constants . CHARSET ) {
os . write ( hencoding ) ;
os . write ( ' ' ) ;
os . write ( Constants . encodeASCII ( encoding . name ( ) ) ) ;
os . write ( '\n' ) ;
}
os . write ( '\n' ) ;
if ( commit . getMessage ( ) ! = null ) {
w . write ( commit . getMessage ( ) ) ;
w . flush ( ) ;
}
} catch ( IOException err ) {
// This should never occur, the only way to get it above is
// for the ByteArrayOutputStream to throw, but it doesn't.
//
throw new RuntimeException ( err ) ;
}
return os . toByteArray ( ) ;
}
/ * *
* Format a Tag in canonical format .
*
* @param tag
* the tag object to format
* @return canonical encoding of the tag object .
* /
public final byte [ ] format ( TagBuilder tag ) {
ByteArrayOutputStream os = new ByteArrayOutputStream ( ) ;
OutputStreamWriter w = new OutputStreamWriter ( os , Constants . CHARSET ) ;
try {
w . write ( "object " ) ;
tag . getObjectId ( ) . copyTo ( w ) ;
w . write ( '\n' ) ;
w . write ( "type " ) ;
w . write ( Constants . typeString ( tag . getObjectType ( ) ) ) ;
w . write ( "\n" ) ;
w . write ( "tag " ) ;
w . write ( tag . getTag ( ) ) ;
w . write ( "\n" ) ;
if ( tag . getTagger ( ) ! = null ) {
w . write ( "tagger " ) ;
w . write ( tag . getTagger ( ) . toExternalString ( ) ) ;
w . write ( '\n' ) ;
}
w . write ( '\n' ) ;
if ( tag . getMessage ( ) ! = null )
w . write ( tag . getMessage ( ) ) ;
w . close ( ) ;
} catch ( IOException err ) {
// This should never occur, the only way to get it above is
// for the ByteArrayOutputStream to throw, but it doesn't.
//
throw new RuntimeException ( err ) ;
}
return os . toByteArray ( ) ;
}
}
Shawn O. Pearce
14 years ago