Package com.sun.connector.cciblackbox

Source Code of com.sun.connector.cciblackbox.CciManagedConnectionFactory

/*
* 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
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*
* -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
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package com.sun.connector.cciblackbox;

import javax.resource.*;
import javax.resource.spi.*;
import javax.resource.spi.security.PasswordCredential;
import javax.resource.spi.SecurityException;
import java.io.*;
import javax.sql.*;
import javax.security.auth.Subject;
import java.util.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import java.sql.SQLException;
import java.sql.Connection;

/**
* An object of this class is a factory of both ManagedConnection and
* connection factory instances.
* This class supports connection pooling by defining methods for
* matching and creating connections.
* @author Sheetal Vartak
*/
public class CciManagedConnectionFactory
    implements ManagedConnectionFactory, Serializable {

    private String XADataSourceName;

    transient private Context ic;

    public CciManagedConnectionFactory() {
    }

    public Object createConnectionFactory(ConnectionManager cxManager)
        throws ResourceException {
                return new CciConnectionFactory(this, cxManager);
    }

    public Object createConnectionFactory() throws ResourceException {
        return new CciConnectionFactory(this, null);
    }

    public ManagedConnection
        createManagedConnection(Subject subject,
                                ConnectionRequestInfo info)
        throws ResourceException {
       
        try {
            XAConnection xacon = null;
            String userName = null;
            PasswordCredential pc =
                Util.getPasswordCredential(this, subject, info);
            if (pc == null) {
                xacon = getXADataSource().getXAConnection();
            } else {
                userName = pc.getUserName();
                xacon = getXADataSource().
                    getXAConnection(userName,
                                    new String(pc.getPassword()));
            }
            Connection con = xacon.getConnection();
            return new CciManagedConnection
                (this, pc, xacon, con, true, true);
        } catch (SQLException ex) {
            ResourceException re =
                new EISSystemException("SQLException: " + ex.getMessage());
            re.setLinkedException(ex);
            throw re;
        }

    }

    public ManagedConnection
            matchManagedConnections(Set connectionSet,
                                    Subject subject,
                                    ConnectionRequestInfo info)
        throws ResourceException {

        PasswordCredential pc =
            Util.getPasswordCredential(this, subject, info);
        Iterator it = connectionSet.iterator();
        while (it.hasNext()) {
            Object obj = it.next();
            if (obj instanceof CciManagedConnection) {
                CciManagedConnection mc = (CciManagedConnection) obj;
                ManagedConnectionFactory mcf =
                    mc.getManagedConnectionFactory();
                if (Util.isPasswordCredentialEqual
                    (mc.getPasswordCredential(), pc) &&
                    mcf.equals(this)) {
                    return mc;
                }
            }
        }
        return null;
    }

    public void setLogWriter(PrintWriter out)
        throws ResourceException {

        try {
            getXADataSource().setLogWriter(out);
        } catch (SQLException ex) {
            // XXX I18N
            ResourceException rex = new ResourceException("SQLException");
            rex.setLinkedException(ex);
            throw rex;
        }
    }

    public PrintWriter getLogWriter() throws ResourceException {
        try {
            return getXADataSource().getLogWriter();
        } catch (SQLException ex) {
            // XXX I18N
            ResourceException rex = new ResourceException("SQLException");
            rex.setLinkedException(ex);
            throw rex;
        }
    }

    public String getXADataSourceName() {
        return XADataSourceName;
    }
    public void setXADataSourceName(String XADataSourceName) {
        this.XADataSourceName = XADataSourceName;
    }

    private XADataSource getXADataSource() throws ResourceException {
        try {
            if (ic == null) ic = new InitialContext();
            XADataSource ds = (XADataSource) ic.lookup(XADataSourceName);
            return ds;
        } catch (Exception ex) {
            ResourceException rex = new ResourceException("");
            rex.setLinkedException(ex);
            throw rex;
        }
    }

    public boolean equals(Object obj) {
        if (obj == null) return false;
        if (obj instanceof CciManagedConnectionFactory) {
            String v1 = ((CciManagedConnectionFactory) obj).
                XADataSourceName;
            String v2 = this.XADataSourceName;
            return (v1 == null) ? (v2 == null) : (v1.equals(v2));
        } else {
            return false;
        }
    }

    public int hashCode() {
        if (XADataSourceName == null) {
            return (new String("")).hashCode();
        } else {
            return XADataSourceName.hashCode();
        }
    }
}
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