/**
 * 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.entity.cmp;

import java.rmi.RemoteException;
import java.util.Properties;
import java.util.StringTokenizer;
import java.util.Map;
import java.util.HashMap;

import javax.ejb.EJBException;
import javax.ejb.EntityContext;
import javax.ejb.RemoveException;

import org.apache.openejb.test.ApplicationException;
import org.apache.openejb.test.object.OperationsPolicy;

public class BasicCmpBean implements javax.ejb.EntityBean {
    private static int nextId;
    public Integer primaryKey;
    public String firstName;
    public String lastName;
    public EntityContext ejbContext;
    public Map<String, OperationsPolicy> allowedOperationsTable = new HashMap<String, OperationsPolicy>();


    //=============================
    // Home interface methods
    //    

    /**
     * Maps to BasicCmpHome.sum
     * <p/>
     * Adds x and y and returns the result.
     *
     * @param x
     * @param y
     * @return x + y
     * @see BasicCmpHome#sum
     */
    public int ejbHomeSum(final int x, final int y) {
        testAllowedOperations("ejbHome");
        return x + y;
    }

    public void ejbHomeVoidSelect() {
    }

    /**
     * Maps to BasicCmpHome.create
     *
     * @param name
     * @return
     * @throws javax.ejb.CreateException
     * @see BasicCmpHome#createObject
     */
    public Integer ejbCreateObject(final String name)
        throws javax.ejb.CreateException {
        primaryKey = nextId++;
        final StringTokenizer st = new StringTokenizer(name, " ");
        firstName = st.nextToken();
        lastName = st.nextToken();
        return null;
    }

    public void ejbPostCreateObject(final String name)
        throws javax.ejb.CreateException {
    }

    public int getPrimaryKey() {
        return primaryKey;
    }

    public String getFirstName() {
        return firstName;
    }

    public String getLastName() {
        return lastName;
    }
    //    
    // Home interface methods
    //=============================


    //=============================
    // Remote interface methods
    //    

    /**
     * Maps to BasicCmpObject.businessMethod
     *
     * @return
     * @see BasicCmpObject#businessMethod
     */
    public String businessMethod(final String text) {
        testAllowedOperations("businessMethod");
        final StringBuffer b = new StringBuffer(text);
        return b.reverse().toString();
    }


    /**
     * Throws an ApplicationException when invoked
     */
    public void throwApplicationException() throws ApplicationException {
        throw new ApplicationException("Testing ability to throw Application Exceptions");
    }

    /**
     * Throws a java.lang.NullPointerException when invoked
     * This is a system exception and should result in the
     * destruction of the instance and invalidation of the
     * remote reference.
     */
    public void throwSystemException_NullPointer() {
        throw new NullPointerException("Testing ability to throw System Exceptions");
    }


    /**
     * Maps to BasicCmpObject.getPermissionsReport
     * <p/>
     * Returns a report of the bean's
     * runtime permissions
     *
     * @return
     * @see BasicCmpObject#getPermissionsReport
     */
    public Properties getPermissionsReport() {
        /* TO DO: */
        return null;
    }

    /**
     * Maps to BasicCmpObject.getAllowedOperationsReport
     * <p/>
     * Returns a report of the allowed opperations
     * for one of the bean's methods.
     *
     * @param methodName The method for which to get the allowed opperations report
     * @return
     * @see BasicCmpObject#getAllowedOperationsReport
     */
    public OperationsPolicy getAllowedOperationsReport(final String methodName) {
        return allowedOperationsTable.get(methodName);
    }

    //    
    // Remote interface methods
    //=============================


    //================================
    // EntityBean interface methods
    //    

    /**
     * A container invokes this method to instruct the
     * instance to synchronize its state by loading it state from the
     * underlying database.
     */
    public void ejbLoad() throws EJBException, RemoteException {
    }

    /**
     * Set the associated entity context. The container invokes this method
     * on an instance after the instance has been created.
     */
    public void setEntityContext(final EntityContext ctx) throws EJBException, RemoteException {
        ejbContext = ctx;
        testAllowedOperations("setEntityContext");
    }

    /**
     * Unset the associated entity context. The container calls this method
     * before removing the instance.
     */
    public void unsetEntityContext() throws EJBException, RemoteException {
        testAllowedOperations("unsetEntityContext");
    }

    /**
     * A container invokes this method to instruct the
     * instance to synchronize its state by storing it to the underlying
     * database.
     */
    public void ejbStore() throws EJBException, RemoteException {
    }

    /**
     * A container invokes this method before it removes the EJB object
     * that is currently associated with the instance. This method
     * is invoked when a client invokes a remove operation on the
     * enterprise Bean's home interface or the EJB object's remote interface.
     * This method transitions the instance from the ready state to the pool
     * of available instances.
     */
    public void ejbRemove() throws RemoveException, EJBException, RemoteException {
    }

    /**
     * A container invokes this method when the instance
     * is taken out of the pool of available instances to become associated
     * with a specific EJB object. This method transitions the instance to
     * the ready state.
     */
    public void ejbActivate() throws EJBException, RemoteException {
        testAllowedOperations("ejbActivate");
    }

    /**
     * A container invokes this method on an instance before the instance
     * becomes disassociated with a specific EJB object. After this method
     * completes, the container will place the instance into the pool of
     * available instances.
     */
    public void ejbPassivate() throws EJBException, RemoteException {
        testAllowedOperations("ejbPassivate");
    }
    //    
    // EntityBean interface methods
    //================================

    protected void testAllowedOperations(final String methodName) {
        final OperationsPolicy policy = new OperationsPolicy();
        
        /*[1] Test getEJBHome /////////////////*/
        try {
            ejbContext.getEJBHome();
            policy.allow(OperationsPolicy.Context_getEJBHome);
        } catch (final IllegalStateException ise) {
        }
        
        /*[2] Test getCallerPrincipal /////////*/
        try {
            ejbContext.getCallerPrincipal();
            policy.allow(OperationsPolicy.Context_getCallerPrincipal);
        } catch (final IllegalStateException ise) {
        }
        
        /*[3] Test isCallerInRole /////////////*/
        try {
            ejbContext.isCallerInRole("TheMan");
            policy.allow(OperationsPolicy.Context_isCallerInRole);
        } catch (final IllegalStateException ise) {
        }
        
        /*[4] Test getRollbackOnly ////////////*/
        try {
            ejbContext.getRollbackOnly();
            policy.allow(OperationsPolicy.Context_getRollbackOnly);
        } catch (final IllegalStateException ise) {
        }
        
        /*[5] Test setRollbackOnly ////////////*/
        try {
            ejbContext.setRollbackOnly();
            policy.allow(OperationsPolicy.Context_setRollbackOnly);
        } catch (final IllegalStateException ise) {
        }
        
        /*[6] Test getUserTransaction /////////*/
        try {
            ejbContext.getUserTransaction();
            policy.allow(OperationsPolicy.Context_getUserTransaction);
        } catch (final Exception e) {
        }
        
        /*[7] Test getEJBObject ///////////////*/
        try {
            ejbContext.getEJBObject();
            policy.allow(OperationsPolicy.Context_getEJBObject);
        } catch (final IllegalStateException ise) {
        }

        /*[8] Test getPrimaryKey //////////////*/
        try {
            ejbContext.getPrimaryKey();
            policy.allow(OperationsPolicy.Context_getPrimaryKey);
        } catch (final IllegalStateException ise) {
        }
         
        /* TO DO:  
         * Check for policy.Enterprise_bean_access       
         * Check for policy.JNDI_access_to_java_comp_env 
         * Check for policy.Resource_manager_access      
         */
        allowedOperationsTable.put(methodName, policy);
    }

}
