financialaccountsessionfacadebean.java

EJB+Struts+Webservice实现的开放式基金管理系统

package com.fund.client;

import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.ejb.CreateException;
import com.fund.ServiceLocator;
import com.fund.ServiceLocatorException;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Collection;
import javax.ejb.EJBException;

/**
 *
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class FinancialAccountSessionFacadeBean implements SessionBean {
    /**
     * serialVersionUID
     */
    private static final long serialVersionUID = 1L;
    /**
     * sessionContext
     */
    SessionContext sessionContext;
    /**
     * financialAccountHome
     */
    private FinancialAccountHome financialAccountHome;
    /**
     * ejbCreate
     * @throws CreateException e
     */
    public void ejbCreate() throws CreateException {
    }

    /**
     * ejbRemove
     */
    public void ejbRemove() {
    }

    /**
     * ejbActivate
     */
    public void ejbActivate() {
    }

    /**
     * ejbPassivate
     */
    public void ejbPassivate() {
    }

    /**
     *
     * @param sessionContext SessionContext
     */
    public void setSessionContext(SessionContext sessionContext) {
        this.sessionContext = sessionContext;
        try {
            findFinancialAccountHome();
        } catch (Exception e) {
            throw new EJBException(e.getMessage());
        }
    }

    /**
     *
     * @param financialAccountDto FinancialAccountDto
     * @throws EJBException e
     */
    public void createFinancialAccount(FinancialAccountDto financialAccountDto)
            throws
            EJBException {
        if (financialAccountDto == null) {
            return;
        }
        try {
            FinancialAccount financialAccount = financialAccountHome.create(
                    financialAccountDto.getAccountNo());
            setFinancialAccountFromFinancialAccountDto(financialAccount,
                    financialAccountDto);
        } catch (Exception e) {
            throw new EJBException(e.getMessage());
        }
    }

    /**
     *
     * @param accountNo Integer
     * @throws EJBException e
     */
    public void removeFinancialAccount(Integer accountNo) throws EJBException {
        try {
            financialAccountHome.remove(accountNo);
        } catch (Exception e) {
            throw new EJBException(e.getMessage());
        }
    }

    /**
     *
     * @param financialAccountDto FinancialAccountDto
     * @throws EJBException e
     */
    public void removeFinancialAccount(FinancialAccountDto financialAccountDto)
            throws
            EJBException {
        if (financialAccountDto != null) {
            Integer accountNo = financialAccountDto.getAccountNo();
            removeFinancialAccount(accountNo);
        }
    }

    /**
     *
     * @param financialAccountDto FinancialAccountDto
     * @throws EJBException e
     */
    public void updateFinancialAccount(FinancialAccountDto financialAccountDto)
            throws
            EJBException {
        if (financialAccountDto != null) {
            Integer accountNo = financialAccountDto.getAccountNo();
            try {
                FinancialAccount financialAccount = financialAccountHome.
                        findByPrimaryKey(accountNo);
                setFinancialAccountFromFinancialAccountDto(financialAccount,
                        financialAccountDto);
            } catch (Exception e) {
                throw new EJBException(e.getMessage());
            }
        }
    }

    /**
     *
     * @param financialAccountDtos FinancialAccountDto[]
     * @throws EJBException e
     */
    public void updateFinancialAccounts(FinancialAccountDto[]
                                        financialAccountDtos) throws
            EJBException {
        if (financialAccountDtos != null) {
            for (int i = 0; i < financialAccountDtos.length; i++) {
                updateFinancialAccount(financialAccountDtos[i]);
            }
        }
    }

    /**
     *
     * @param accountNo Integer
     * @return FinancialAccountDto
     * @throws EJBException e
     */
    public FinancialAccountDto financialAccountFindByPrimaryKey(Integer
            accountNo) throws EJBException {
        try {
            return assembleFinancialAccountDto(financialAccountHome.
                                               findByPrimaryKey(accountNo));
        } catch (Exception e) {
            throw new EJBException(e.getMessage());
        }
    }

    /**
     *
     * @param clientNo Integer
     * @return FinancialAccountDto
     * @throws EJBException e
     */
    public FinancialAccountDto financialAccountFindByClientNo(Integer clientNo)
            throws
            EJBException {
        try {
            return assembleFinancialAccountDto(financialAccountHome.
                                               findByClientNo(clientNo));
        } catch (Exception e) {
            throw new EJBException(e.getMessage());
        }
    }

    /**
     *
     * @param financialAccount FinancialAccount
     * @param financialAccountDto FinancialAccountDto
     */
    private void setFinancialAccountFromFinancialAccountDto(FinancialAccount
            financialAccount, FinancialAccountDto financialAccountDto) {
        financialAccount.setClientNo(financialAccountDto.getClientNo());
        financialAccount.setFinancingAmount(financialAccountDto.
                                            getFinancingAmount());
        financialAccount.setCreatedDate(financialAccountDto.getCreatedDate());
        financialAccount.setStatus(financialAccountDto.getStatus());
        financialAccount.setPassword(financialAccountDto.getPassword());
    }

    /**
     *
     * @throws EJBException e
     */
    private void findFinancialAccountHome() throws EJBException {
         String entityName = "java:comp/env/ejb/financialAccount";
        if (financialAccountHome == null) {
            try {
                ServiceLocator locator = ServiceLocator.getInstance();
                financialAccountHome = (FinancialAccountHome) locator.
                                       getEjbLocalHome(entityName);
            } catch (ServiceLocatorException e) {
                throw new EJBException(e.getMessage());
            }
        }
    }

    /**
     *
     * @param financialAccount FinancialAccount
     * @return FinancialAccountDto
     */
    private FinancialAccountDto assembleFinancialAccountDto(FinancialAccount
            financialAccount) {
        return FinancialAccountDtoAssembler.createDto(financialAccount);
    }

    /**
     *
     * @param financialAccounts Collection
     * @return FinancialAccountDto[]
     */
    private FinancialAccountDto[] assembleFinancialAccountDtos(Collection
            financialAccounts) {
        List list = new ArrayList();
        if (financialAccounts != null) {
            Iterator iterator = financialAccounts.iterator();
            while (iterator.hasNext()) {
                FinancialAccount financialAccount = (FinancialAccount) iterator.
                        next();
                list.add(assembleFinancialAccountDto(financialAccount));
            }
        }
        FinancialAccountDto[] returnArray
                = new FinancialAccountDto[list.size()];
        return (FinancialAccountDto[]) list.toArray(returnArray);
    }
}