CalculatorBean.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.openejb.test.beans;

import javax.ejb.SessionContext;
import javax.naming.InitialContext;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class CalculatorBean implements javax.ejb.SessionBean {

    public SessionContext context;
    public InitialContext jndiContext;
    boolean testCreate, testAdd, testSub, testSetSessionContext, testRemove;

    public void ejbCreate() {
    }

    public int add(final int a, final int b) {
        return a + b;
    }

    protected void doJdbcCall() {

        Connection con = null;
        try {

            final javax.sql.DataSource ds =
                (javax.sql.DataSource) jndiContext.lookup("java:comp/env/jdbc/mydb");

            con = ds.getConnection();

            final Statement stmt = con.createStatement();
            try {
                final ResultSet rs = stmt.executeQuery("select * from Employees");
                while (rs.next())
                    System.out.println(rs.getString(2));
            } finally {
                stmt.close();
            }

        } catch (final javax.naming.NamingException re) {
            throw new RuntimeException("Using JNDI failed");
        } catch (final java.sql.SQLException se) {
            throw new RuntimeException("Getting JDBC data source failed");
        } finally {
            if (con != null) {
                try {
                    con.close();
                } catch (final SQLException se) {
                    se.printStackTrace();
                }
            }
        }

    }

    public int sub(final int a, final int b) {
        return a - b;
    }

    public void ejbPassivate() {
        // never called
    }

    public void ejbActivate() {
        // never called
    }

    public void ejbRemove() {
        if (testRemove) testAllowedOperations("ejbRemove");
    }

    public void setSessionContext(final javax.ejb.SessionContext cntx) {
        context = cntx;
        if (testSetSessionContext) testAllowedOperations("setSessionContext");

    }

    private void testAllowedOperations(final String methodName) {
        System.out.println("******************************************************");
        System.out.println("\nTesting Allowed Operations for " + methodName + "() method\n");
        try {
            context.getEJBObject();
            System.out.println("SessionContext.getEJBObject() ......... Allowed");
        } catch (final IllegalStateException ise) {
            System.out.println("SessionContext.getEJBObject() ......... Failed");
        }
        try {
            context.getEJBHome();
            System.out.println("SessionContext.getEJBHome() ........... Allowed");
        } catch (final IllegalStateException ise) {
            System.out.println("SessionContext.getEJBHome() ........... Failed");
        }
        try {
            context.getCallerPrincipal();
            System.out.println("SessionContext.getCallerPrincipal() ... Allowed");
        } catch (final IllegalStateException ise) {
            System.out.println("SessionContext.getCallerPrincipal() ... Failed");
        }
        try {
            context.isCallerInRole("ROLE");
            System.out.println("SessionContext.isCallerInRole() ....... Allowed");
        } catch (final IllegalStateException ise) {
            System.out.println("SessionContext.isCallerInRole() ....... Failed");
        }
        try {
            context.getRollbackOnly();
            System.out.println("SessionContext.getRollbackOnly() ...... Allowed");
        } catch (final IllegalStateException ise) {
            System.out.println("SessionContext.getRollbackOnly() ...... Failed");
        }
        try {
            context.setRollbackOnly();
            System.out.println("SessionContext.setRollbackOnly() ...... Allowed");
        } catch (final IllegalStateException ise) {
            System.out.println("SessionContext.setRollbackOnly() ...... Failed");
        }
        try {
            context.getUserTransaction();
            System.out.println("SessionContext.getUserTransaction() ... Allowed");
        } catch (final IllegalStateException ise) {
            System.out.println("SessionContext.getUserTransaction() ... Failed");
        }
    }

}