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Microsoft JDBC Driver for SQL Server. The Azure Key Vault feature in Microsoft JDBC Driver for SQL Server depends on Azure SDK for JAVA and Azure Active Directory Library For Java.

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/*
 * Microsoft JDBC Driver for SQL Server
 * 
 * Copyright(c) Microsoft Corporation All rights reserved.
 * 
 * This program is made available under the terms of the MIT License. See the LICENSE file in the project root for more information.
 */

package com.microsoft.sqlserver.jdbc;

/**
 * StreamTabName interprets the data stream from a TABNAME TDS token
 *
 */

final class StreamTabName extends StreamPacket {
    private TDSReader tdsReader;
    private TDSReaderMark tableNamesMark;

    StreamTabName() {
        super(TDS.TDS_TABNAME);
    }

    void setFromTDS(TDSReader tdsReader) throws SQLServerException {
        if (TDS.TDS_TABNAME != tdsReader.readUnsignedByte())
            assert false : "Not a TABNAME token";

        this.tdsReader = tdsReader;
        int tokenLength = tdsReader.readUnsignedShort();
        tableNamesMark = tdsReader.mark();
        tdsReader.skip(tokenLength);
    }

    void applyTo(Column[] columns,
            int numTables) throws SQLServerException {
        TDSReaderMark currentMark = tdsReader.mark();
        tdsReader.reset(tableNamesMark);

        // Read in all of the multi-part table names. The number of table
        // names to expect is determined in advance. It is computed as a side
        // effect of processing the COLINFO token that preceeds this TABNAME token.
        SQLIdentifier[] tableNames = new SQLIdentifier[numTables];
        for (int i = 0; i < numTables; i++)
            tableNames[i] = tdsReader.readSQLIdentifier();

        // Apply the table names to their appropriate columns
        for (Column col : columns) {
            if (col.getTableNum() > 0)
                col.setTableName(tableNames[col.getTableNum() - 1]);
        }

        tdsReader.reset(currentMark);
    }
}