Should fix it all, Peter?

1 files changed, 0 insertions, 462 deletions

diff --git a/src/interfaces/jdbc/postgresql/PGlobj.java b/src/interfaces/jdbc/postgresql/PGlobj.java
deleted file mode 100644
index 939ad9a5014..00000000000
--- a/src/interfaces/jdbc/postgresql/PGlobj.java
+++ /dev/null
@@ -1,462 +0,0 @@
-// Java Interface to Postgres
-// $Id: PGlobj.java,v 1.1 1997/09/20 02:21:22 scrappy Exp $
-
-// Copyright (c) 1997 Peter T Mount
-
-package postgresql;
-
-import java.sql.*;
-import java.math.*;
-import java.net.*;
-import java.io.*;
-import java.util.*;
-
-/**
- * This class implements the large object interface to postgresql.
- *
- * It provides the basic methods required to run the interface, plus
- * a pair of methods that provide InputStream and OutputStream classes
- * for this object.
- */
-public class PGlobj
-{
-  // This table contains the function oid's used by the backend
-  private Hashtable func = new Hashtable();
-  
-  protected postgresql.Connection conn;
-  
-  /**
-   * These are the values for mode, taken from libpq-fs.h
-   */
-  public static final int INV_ARCHIVE = 0x00010000;
-  public static final int INV_WRITE   = 0x00020000;
-  public static final int INV_READ    = 0x00040000;
-  
-  /**
-   * These are the functions that implement the interface
-   */
-  private static final String OPEN	= "lo_open";
-  private static final String CLOSE	= "lo_close";
-  private static final String CREATE	= "lo_creat";
-  private static final String UNLINK	= "lo_unlink";
-  private static final String SEEK	= "lo_lseek";
-  private static final String TELL	= "lo_tell";
-  private static final String READ	= "loread";
-  private static final String WRITE	= "lowrite";
-  
-  /**
-   * This creates the interface
-   */
-  public PGlobj(Connection conn) throws SQLException
-  {
-    if(!(conn instanceof postgresql.Connection))
-      throw new SQLException("PGlobj: Wrong connection class");
-    
-    this.conn = (postgresql.Connection)conn;
-    ResultSet res = (postgresql.ResultSet)conn.createStatement().executeQuery("select proname, oid from pg_proc" +
-				      " where proname = 'lo_open'" +
-				      "    or proname = 'lo_close'" +
-				      "    or proname = 'lo_creat'" +
-				      "    or proname = 'lo_unlink'" +
-				      "    or proname = 'lo_lseek'" +
-				      "    or proname = 'lo_tell'" +
-				      "    or proname = 'loread'" +
-				      "    or proname = 'lowrite'");
-    
-    if(res==null)
-      throw new SQLException("failed to initialise large object interface");
-    
-    while(res.next()) {
-      func.put(res.getString(1),new Integer(res.getInt(2)));
-      DriverManager.println("PGlobj:func "+res.getString(1)+" oid="+res.getInt(2));
-    }
-    res.close();
-  }
-  
-  // this returns the oid of the function
-  private int getFunc(String name) throws SQLException
-  {
-    Integer i = (Integer)func.get(name);
-    if(i==null)
-      throw new SQLException("unknown function: "+name);
-    return i.intValue();
-  }
-  
-  /**
-   * This calls a function on the backend
-   * @param fnid oid of the function to run
-   * @param args array containing args, 3 ints per arg
-   */
-  public int PQfn(int fnid,int args[]) throws SQLException
-  {
-    return PQfn(fnid,args,null,0,0);
-  }
-  
-  // fix bug in 6.1.1
-  public void writeInt(DataOutputStream data,int i) throws IOException
-  {
-    data.writeByte((i>>24)&0xff);
-    data.writeByte( i     &0xff);
-    data.writeByte((i>>8) &0xff);
-    data.writeByte((i>>16)&0xff);
-  }
-  
-  /**
-   * This calls a function on the backend
-   * @param fnid oid of the function to run
-   * @param args array containing args, 3 ints per arg
-   * @param buf byte array to write into, null returns result as an integer
-   * @param off offset in array
-   * @param len number of bytes to read
-   */
-  public int PQfn(int fnid,int args[],byte buf[],int off,int len) throws SQLException
-  {
-    //ByteArrayOutputStream b = new ByteArrayOutputStream();
-    //DataOutputStream data = new DataOutputStream(b);
-    int in = -1;
-    
-    try {
-      int al=args.length/3;
-      
-      // For some reason, the backend takes these in the reverse order
-      byte b[] = new byte[2+4+4];
-      int bp=0;
-      b[bp++]='F';
-      b[bp++]=0;
-      b[bp++]=(byte)((fnid)&0xff);
-      b[bp++]=(byte)((fnid>>24)&0xff);
-      b[bp++]=(byte)((fnid>>16)&0xff);
-      b[bp++]=(byte)((fnid>>8)&0xff);
-      b[bp++]=(byte)((al)&0xff);
-      b[bp++]=(byte)((al>>24)&0xff);
-      b[bp++]=(byte)((al>>16)&0xff);
-      b[bp++]=(byte)((al>>8)&0xff);
-      conn.pg_stream.Send(b);
-      
-      //conn.pg_stream.SendChar('F');
-      //conn.pg_stream.SendInteger(fnid,4);
-      //conn.pg_stream.SendInteger(args.length / 3,4);
-      
-      int l = args.length-1;
-      if(args[l]==0) l--;
-      
-      for(int i=0;i<l;i++)
-	conn.pg_stream.SendInteger(args[i],4);
-      
-      if(args[args.length-1]==0)
-	conn.pg_stream.Send(buf,off,len);
-      
-    } catch(Exception e) {
-      throw new SQLException("lo_open failed");
-    }
-    //try {
-      if((in = conn.pg_stream.ReceiveChar())!='V') {
-	if(in=='E')
-	  throw new SQLException(conn.pg_stream.ReceiveString(4096));
-	throw new SQLException("lobj: expected 'V' from backend, got "+((char)in));
-      }
-      
-      while(true) {
-	in = conn.pg_stream.ReceiveChar();
-	switch(in)
-	  {
-	  case 'G':
-	    if(buf==null)
-	      in = conn.pg_stream.ReceiveInteger(4);
-	    else
-	      conn.pg_stream.Receive(buf,off,len);
-	    conn.pg_stream.ReceiveChar();
-	    return in;
-	    
-	  case 'E':
-	    throw new SQLException("lobj: error - "+conn.pg_stream.ReceiveString(4096));
-	    
-	  case 'N':
-	    conn.pg_stream.ReceiveString(4096);
-	    break;
-	    
-	  case '0':
-	    return -1;
-	    
-	  default:
-	    throw new SQLException("lobj: protocol error");
-	  }
-      }
-      //    } catch(IOException ioe) {
-      //      throw new SQLException("lobj: Network error - "+ioe);
-      //}
-  }
-  
-  /**
-   * This opens a large object. It returns a handle that is used to
-   * access the object.
-   */
-  public int open(int lobjId,int mode) throws SQLException
-  {
-    int args[] = new int[2*3];
-    args[0] = args[3] = 4;
-    args[1] = args[4] = 1;
-    args[2] = lobjId;
-    args[5] = mode;
-    
-    int fd = PQfn(getFunc(OPEN),args);
-    if(fd<0)
-      throw new SQLException("lo_open: no object");
-    seek(fd,0);
-    return fd;
-  }
-  
-  /**
-   * This closes a large object.
-   */
-  public void close(int fd) throws SQLException
-  {
-    int args[] = new int[1*3];
-    args[0] = 4;
-    args[1] = 1;
-    args[2] = fd;
-    
-    // flush/close streams here?
-    PQfn(getFunc(CLOSE),args);
-  }
-  
-  /**
-   * This reads a block of bytes from the large object
-   * @param fd descriptor for an open large object
-   * @param buf byte array to write into
-   * @param off offset in array
-   * @param len number of bytes to read
-   */
-  public void read(int fd,byte buf[],int off,int len) throws SQLException
-  {
-    int args[] = new int[2*3];
-    args[0] = args[3] = 4;
-    args[1] = args[4] = 1;
-    args[2] = fd;
-    args[5] = len;
-    
-    PQfn(getFunc(READ),args,buf,off,len);
-  }
-  
-  /**
-   * This writes a block of bytes to an open large object
-   * @param fd descriptor for an open large object
-   * @param buf byte array to write into
-   * @param off offset in array
-   * @param len number of bytes to read
-   */
-  public void write(int fd,byte buf[],int off,int len) throws SQLException
-  {
-    int args[] = new int[2*3];
-    args[0] = args[3] = 4;
-    args[1] = args[4] = 1;
-    args[2] = fd;
-    args[5] = 0;
-    
-    PQfn(getFunc(WRITE),args,buf,off,len);
-  }
-  
-  /**
-   * This sets the current read or write location on a large object.
-   * @param fd descriptor of an open large object
-   * @param off offset in object
-   */
-  public void seek(int fd,int off) throws SQLException
-  {
-    int args[] = new int[3*3];
-    args[0] = args[3] = args[6] = 4;
-    args[1] = args[4] = args[7] = 1;
-    args[2] = fd;
-    args[5] = off;
-    args[8] = 0;	// SEEK
-    
-    PQfn(getFunc(SEEK),args);
-  }
-  
-  /**
-   * This creates a new large object.
-   *
-   * the mode is a bitmask describing different attributes of the new object
-   *
-   * returns the oid of the large object created.
-   */
-  public int create(int mode) throws SQLException
-  {
-    int args[] = new int[1*3];
-    args[0] = 4;
-    args[1] = 1;
-    args[2] = mode;
-    
-    return PQfn(getFunc(CREATE),args);
-  }
-  
-  /**
-   * This returns the current location within the large object
-   */
-  public int tell(int fd) throws SQLException
-  {
-    int args[] = new int[1*3];
-    args[0] = 4;
-    args[1] = 1;
-    args[2] = fd;
-    
-    return PQfn(getFunc(TELL),args);
-  }
-  
-  /**
-   * This removes a large object from the database
-   */
-  public void unlink(int fd) throws SQLException
-  {
-    int args[] = new int[1*3];
-    args[0] = 4;
-    args[1] = 1;
-    args[2] = fd;
-    
-    PQfn(getFunc(UNLINK),args);
-  }
-  
-  /**
-   * This returns an InputStream based on an object
-   */
-  public InputStream getInputStream(int fd) throws SQLException
-  {
-    return (InputStream) new PGlobjInput(this,fd);
-  }
-  
-  /**
-   * This returns an OutputStream based on an object
-   */
-  public OutputStream getOutputStream(int fd) throws SQLException
-  {
-    return (OutputStream) new PGlobjOutput(this,fd);
-  }
-  
-  /**
-   * As yet, the lo_import and lo_export functions are not implemented.
-   */
-}
-
-// This class implements an InputStream based on a large object
-//
-// Note: Unlike most InputStreams, this one supports mark()/reset()
-//
-class PGlobjInput extends InputStream
-{
-  private PGlobj obj;
-  private int	 fd;
-  
-  private int	mp;	// mark position
-  private int	rl;	// read limit
-  
-  // This creates an Input stream based for a large object
-  public PGlobjInput(PGlobj obj,int fd)
-  {
-    this.obj = obj;
-    this.fd = fd;
-  }
-  
-  public int read() throws IOException
-  {
-    byte b[] = new byte[1];
-    read(b,0,1);
-    return (int)b[0];
-  }
-  
-  public int read(byte b[],int off,int len) throws IOException
-  {
-    try {
-      obj.read(fd,b,off,len);
-    } catch(SQLException e) {
-      throw new IOException(e.toString());
-    }
-    return len;
-  }
-  
-  public long skip(long n) throws IOException
-  {
-    try {
-      int cp = obj.tell(fd);
-      obj.seek(fd,cp+(int)n);
-      return obj.tell(fd) - cp;
-    } catch(SQLException e) {
-      throw new IOException(e.toString());
-    }
-  }
-  
-  public synchronized void mark(int readLimit)
-  {
-    try {
-      mp = obj.tell(fd);
-      rl = readLimit;
-    } catch(SQLException e) {
-      // We should throw an exception here, but mark() doesn't ;-(
-    }
-  }
-  
-  public void reset() throws IOException
-  {
-    try {
-      int cp = obj.tell(fd);
-      if((cp-mp)>rl)
-	throw new IOException("mark invalidated");
-      obj.seek(fd,mp);
-    } catch(SQLException e) {
-      throw new IOException(e.toString());
-    }
-  }
-  
-  public boolean markSupported()
-  {
-    return true;
-  }
-  
-  
-  public void close() throws IOException
-  {
-    try {
-      obj.close(fd);
-    } catch(SQLException e) {
-      throw new IOException(e.toString());
-    }
-  }
-}
-
-// This class implements an OutputStream to a large object
-class PGlobjOutput extends OutputStream
-{
-  private PGlobj obj;
-  private int	 fd;
-  
-  // This creates an Input stream based for a large object
-  public PGlobjOutput(PGlobj obj,int fd)
-  {
-    this.obj = obj;
-    this.fd = fd;
-  }
-  
-  public void write(int i) throws IOException
-  {
-    byte b[] = new byte[1];
-    b[0] = (byte)i;
-    write(b,0,1);
-  }
-  
-  public void write(byte b[],int off,int len) throws IOException
-  {
-    try {
-      obj.write(fd,b,off,len);
-    } catch(SQLException e) {
-      throw new IOException(e.toString());
-    }
-  }
-  
-  public void close() throws IOException
-  {
-    try {
-      obj.close(fd);
-    } catch(SQLException e) {
-      throw new IOException(e.toString());
-    }
-  }
-}