Package com.sun.connector.blackbox

Source Code of com.sun.connector.blackbox.MetaDataImpl

/*
* Use of this J2EE Connectors Sample Source Code file is governed by
* the following modified BSD license:
*
* Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* -Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduct the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
* ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES OR LIABILITIES
* SUFFERED BY LICENSEE AS A RESULT OF  OR RELATING TO USE, MODIFICATION
* OR DISTRIBUTION OF THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
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* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
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package com.sun.connector.blackbox;

import javax.resource.ResourceException;
import javax.resource.spi.IllegalStateException;
import javax.resource.spi.*;
import java.sql.*;

/**
* @author Tony Ng
*/
public class MetaDataImpl implements ManagedConnectionMetaData {

    private JdbcManagedConnection mc;

    public MetaDataImpl(JdbcManagedConnection mc) {
        this.mc = mc;
    }

    public String getEISProductName() throws ResourceException {
        try {
            Connection con = mc.getJdbcConnection();
            return con.getMetaData().getDatabaseProductName();
        } catch (SQLException ex) {
            ResourceException re = new EISSystemException(ex.getMessage());
            re.setLinkedException(ex);
            throw re;
        }
    }

    public String getEISProductVersion() throws ResourceException {
        try {
            Connection con = mc.getJdbcConnection();
            return con.getMetaData().getDatabaseProductVersion();
        } catch (SQLException ex) {
            ResourceException re = new EISSystemException(ex.getMessage());
            re.setLinkedException(ex);
            throw re;
        }
    }


    public int getMaxConnections() throws ResourceException {
        try {
            Connection con = mc.getJdbcConnection();
            return con.getMetaData().getMaxConnections();
        } catch (SQLException ex) {
            ResourceException re = new EISSystemException(ex.getMessage());
            re.setLinkedException(ex);
            throw re;
        }
    }
 
    public String getUserName() throws ResourceException {
        if (mc.isDestroyed()) {
            throw new IllegalStateException
                ("ManagedConnection has been destroyed");
        }

        return mc.getPasswordCredential() == null
            ? null
            : mc.getPasswordCredential().getUserName();
    }

}
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