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///////////////////////////////////////////////////////////////////////////////
//
// JTOpen (IBM Toolbox for Java - OSS version)
//
// Filename: JDNClobProxy.java
//
// The source code contained herein is licensed under the IBM Public License
// Version 1.0, which has been approved by the Open Source Initiative.
// Copyright (C) 2006-2006 International Business Machines Corporation and
// others. All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////
package com.ibm.as400.access;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Writer;
import java.io.Reader;
import java.lang.reflect.InvocationTargetException;
import java.sql.Clob;
/* ifdef JDBC40
import java.sql.NClob;
endif */
import java.sql.SQLException;
//@PDA jdbc40 new class
/**
The JDNClobProxy class provides access to character large
objects. The data is valid only within the current
transaction.
**/
class JDNClobProxy
extends AbstractProxyImpl
/* ifdef JDBC40
implements NClob
endif */
{
// Copied from JDError:
private static final String EXC_FUNCTION_NOT_SUPPORTED = "IM001";
public InputStream getAsciiStream ()
throws SQLException
{
try {
JDInputStreamProxy newStream = new JDInputStreamProxy ();
return (JDInputStreamProxy) connection_.callFactoryMethod (
pxId_, "getAsciiStream", newStream);
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public Reader getCharacterStream ()
throws SQLException
{
try {
JDReaderProxy newReader = new JDReaderProxy ();
return (JDReaderProxy) connection_.callFactoryMethod (
pxId_, "getCharacterStream",
newReader);
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public String getSubString (long start, int length)
throws SQLException
{
try {
return (String) connection_.callMethod (pxId_, "getSubString",
new Class[] { Long.TYPE, Integer.TYPE },
new Object[] { new Long (start),
new Integer (length) })
.getReturnValue();
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public long length ()
throws SQLException
{
try {
return connection_.callMethod (pxId_, "length")
.getReturnValueLong ();
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public long position (String pattern, long start)
throws SQLException
{
try {
return connection_.callMethod (pxId_, "position",
new Class[] { String.class, Long.TYPE },
new Object[] { pattern, new Long (start) })
.getReturnValueLong ();
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public long position (Clob pattern, long start)
throws SQLException
{
try {
return connection_.callMethod (pxId_, "position",
new Class[] { Clob.class, Long.TYPE },
new Object[] { pattern, new Long (start) })
.getReturnValueLong ();
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public OutputStream setAsciiStream (long pos)
throws SQLException
{
try
{
JDOutputStreamProxy newStream = new JDOutputStreamProxy ();
return (JDOutputStreamProxy) connection_.callFactoryMethod (pxId_, "setAsciiStream",
new Class[] { Long.TYPE},
new Object[] { new Long(pos)},
newStream);
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public Writer setCharacterStream (long pos)
throws SQLException
{
try
{
JDWriterProxy newWriter = new JDWriterProxy ();
return (JDWriterProxy) connection_.callFactoryMethod (pxId_, "setCharacterStream",
new Class[] { Long.TYPE},
new Object[] { new Long(pos)},
newWriter);
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public int setString (long pos, String str)
throws SQLException
{
try {
return connection_.callMethod (pxId_, "setString",
new Class[] { Long.TYPE, String.class},
new Object[] { new Long(pos), str})
.getReturnValueInt ();
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public int setString (long pos, String str, int offset, int len)
throws SQLException
{
try {
return connection_.callMethod (pxId_, "setString",
new Class[] { Long.TYPE, String.class, Integer.TYPE, Integer.TYPE},
new Object[] { new Long(pos), str, new Integer(offset), new Integer(len)})
.getReturnValueInt ();
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public void truncate (long len)
throws SQLException
{
try {
connection_.callMethod (pxId_, "truncate",
new Class[] { Long.TYPE,},
new Object[] { new Long(len)} );
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public void free() throws SQLException
{
try {
connection_.callMethod (pxId_, "free");
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
public Reader getCharacterStream(long pos, long length) throws SQLException
{
try {
JDReaderProxy newReader = new JDReaderProxy ();
return (JDReaderProxy) connection_.callFactoryMethod (
pxId_, "getCharacterStream",
new Class[] { Long.TYPE, Long.TYPE},
new Object[] { new Long(pos), new Long(length)},
newReader);
}
catch (InvocationTargetException e) {
throw JDConnectionProxy.rethrow1 (e);
}
}
}