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authorwarrenl <warrenl@138bc75d-0d04-0410-961f-82ee72b054a4>2000-12-01 01:48:34 +0000
committerwarrenl <warrenl@138bc75d-0d04-0410-961f-82ee72b054a4>2000-12-01 01:48:34 +0000
commitbf22c2097a4d98c5c9dcfc45dbb8a09f96557035 (patch)
tree7c67e6325a21b9cf53bbdc5648f2e7523a514436 /libjava/java/sql/Blob.java
parentc6e1ae70c203d85ae023718c3cdd6d36efc5a591 (diff)
downloadppe42-gcc-bf22c2097a4d98c5c9dcfc45dbb8a09f96557035.tar.gz
ppe42-gcc-bf22c2097a4d98c5c9dcfc45dbb8a09f96557035.zip
* 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37906 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java/sql/Blob.java')
-rw-r--r--libjava/java/sql/Blob.java120
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diff --git a/libjava/java/sql/Blob.java b/libjava/java/sql/Blob.java
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+/* 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
+
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