mirror of
https://github.com/postgres/postgres.git
synced 2025-09-05 02:22:28 +03:00
Another attempt at 7.0
This commit is contained in:
66
src/interfaces/jdbc/org/postgresql/largeobject/PGblob.java
Normal file
66
src/interfaces/jdbc/org/postgresql/largeobject/PGblob.java
Normal file
@@ -0,0 +1,66 @@
|
||||
package org.postgresql.largeobject;
|
||||
|
||||
// IMPORTANT NOTE: This file implements the JDBC 2 version of the driver.
|
||||
// If you make any modifications to this file, you must make sure that the
|
||||
// changes are also made (if relevent) to the related JDBC 1 class in the
|
||||
// org.postgresql.jdbc1 package.
|
||||
|
||||
|
||||
import java.lang.*;
|
||||
import java.io.*;
|
||||
import java.math.*;
|
||||
import java.text.*;
|
||||
import java.util.*;
|
||||
import java.sql.*;
|
||||
import org.postgresql.Field;
|
||||
import org.postgresql.largeobject.*;
|
||||
import org.postgresql.largeobject.*;
|
||||
|
||||
/**
|
||||
* This implements the Blob interface, which is basically another way to
|
||||
* access a LargeObject.
|
||||
*
|
||||
* $Id: PGblob.java,v 1.1 2000/04/17 20:07:52 peter Exp $
|
||||
*
|
||||
*/
|
||||
public class PGblob implements java.sql.Blob
|
||||
{
|
||||
private org.postgresql.Connection conn;
|
||||
private int oid;
|
||||
private LargeObject lo;
|
||||
|
||||
public PGblob(org.postgresql.Connection conn,int oid) throws SQLException {
|
||||
this.conn=conn;
|
||||
this.oid=oid;
|
||||
LargeObjectManager lom = conn.getLargeObjectAPI();
|
||||
this.lo = lom.open(oid);
|
||||
}
|
||||
|
||||
public long length() throws SQLException {
|
||||
return lo.size();
|
||||
}
|
||||
|
||||
public InputStream getBinaryStream() throws SQLException {
|
||||
return lo.getInputStream();
|
||||
}
|
||||
|
||||
public byte[] getBytes(long pos,int length) throws SQLException {
|
||||
lo.seek((int)pos,LargeObject.SEEK_SET);
|
||||
return lo.read(length);
|
||||
}
|
||||
|
||||
/*
|
||||
* For now, this is not implemented.
|
||||
*/
|
||||
public long position(byte[] pattern,long start) throws SQLException {
|
||||
throw org.postgresql.Driver.notImplemented();
|
||||
}
|
||||
|
||||
/*
|
||||
* This should be simply passing the byte value of the pattern Blob
|
||||
*/
|
||||
public long position(Blob pattern,long start) throws SQLException {
|
||||
return position(pattern.getBytes(0,(int)pattern.length()),start);
|
||||
}
|
||||
|
||||
}
|
Reference in New Issue
Block a user