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author | Warren Levy <warrenl@cygnus.com> | 2000-12-01 01:48:34 +0000 |
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committer | Warren Levy <warrenl@gcc.gnu.org> | 2000-12-01 01:48:34 +0000 |
commit | 6934615b9736d0a777ce7f6933129ea1cdd2dd23 (patch) | |
tree | 7c67e6325a21b9cf53bbdc5648f2e7523a514436 /libjava/java/sql/Blob.java | |
parent | 95ac07b0f4d9916c7a850e3b427cbc768819d742 (diff) | |
download | gcc-6934615b9736d0a777ce7f6933129ea1cdd2dd23.zip gcc-6934615b9736d0a777ce7f6933129ea1cdd2dd23.tar.gz gcc-6934615b9736d0a777ce7f6933129ea1cdd2dd23.tar.bz2 |
Array.java: New file from classpath.
* Array.java: New file from classpath.
* BatchUpdateException.java: Ditto.
* Blob.java: Ditto.
* Clob.java: Ditto.
* Ref.java: Ditto.
* SQLData.java: Ditto.
* SQLInput.java: Ditto.
* SQLOutput.java: Ditto.
* Struct.java: Ditto.
* CallableStatement.java: Merged file from claspath.
* Connection.java: Ditto.
* DataTruncation.java: Ditto.
* DatabaseMetaData.java: Ditto.
* DriverManager.java: Ditto.
* PreparedStatement.java: Ditto.
* ResultSet.java: Ditto.
* ResultSetMetaData.java: Ditto.
* SQLException.java: Ditto.
* SQLWarning.java: Ditto.
* Statement.java: Ditto.
* Types.java: Ditto.
From-SVN: r37906
Diffstat (limited to 'libjava/java/sql/Blob.java')
-rw-r--r-- | libjava/java/sql/Blob.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/libjava/java/sql/Blob.java b/libjava/java/sql/Blob.java new file mode 100644 index 0000000..79a4504 --- /dev/null +++ b/libjava/java/sql/Blob.java @@ -0,0 +1,120 @@ +/* Blob.java -- Access a SQL Binary Large OBject. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + +package java.sql; + +import java.io.InputStream; + +/** + * This interface specified methods for accessing a SQL BLOB (Binary + * Large OBject) type. + * + * @author Aaron M. Renn (arenn@urbanophile.com) + */ +public interface Blob +{ + +/*************************************************************************/ + +/** + * This method returns the number of bytes in the BLOB. + * + * @return The number of bytes in the BLOB. + * + * @exception SQLException If an error occurs. + */ +public abstract long +length() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns up to the requested bytes of this BLOB as a + * <code>byte</code> array. + * + * @param offset The index into the BLOB to start returning bytes from. + * @param length The requested number of bytes to return. + * + * @return The requested bytes from the BLOB. + * + * @exception SQLException If an error occurs. + */ +public abstract byte[] +getBytes(long offset, int length) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns a stream that will read the bytes of the BLOB. + * + * @return A stream that will read the bytes of the BLOB. + * + * @exception SQLException If an error occurs. + */ +public abstract InputStream +getBinaryStream() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the index into the BLOB at which the first instance + * of the specified bytes occur. The searching starts at the specified + * index into the BLOB. + * + * @param pattern The byte pattern to search for. + * @param offset The index into the BLOB to starting searching for the pattern. + * + * @return The offset at which the pattern is first found, or -1 if the + * pattern is not found. + * + * @exception SQLException If an error occurs. + */ +public abstract long +position(byte[] pattern, long offset) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the index into the BLOB at which the first instance + * of the specified pattern occurs. The searching starts at the specified + * index into this BLOB. The bytes in the specified <code>Blob</code> are + * used as the search pattern. + * + * @param pattern The <code>Blob</code> containing the byte pattern to + * search for. + * @param offset The index into the BLOB to starting searching for the pattern. + * + * @return The offset at which the pattern is first found, or -1 if the + * pattern is not found. + * + * @exception SQLException If an error occurs. + */ +public abstract long +position(Blob pattern, long offset) throws SQLException; + +} // interface Blob + |