TagGeneratorFactory.java example

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/*
 * Copyright (c) 2005-2011 Grameen Foundation USA
 * All rights reserved.
 *
 * Licensed 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.
 *
 * See also http://www.apache.org/licenses/LICENSE-2.0.html for an
 * explanation of the license and how it is applied.
 */

package org.mifos.framework.components.taggenerator;

import java.util.HashMap;
import java.util.Map;

import org.mifos.accounts.loan.business.LoanBO;
import org.mifos.accounts.savings.business.SavingsBO;
import org.mifos.customers.api.CustomerLevel;
import org.mifos.customers.business.CustomerAccountBO;
import org.mifos.customers.business.CustomerBO;
import org.mifos.customers.center.business.CenterBO;
import org.mifos.customers.client.business.ClientBO;
import org.mifos.customers.group.business.GroupBO;
import org.mifos.customers.office.business.OfficeBO;
import org.mifos.customers.personnel.business.PersonnelBO;
import org.mifos.framework.business.AbstractBusinessObject;
import org.mifos.framework.exceptions.FrameworkRuntimeException;
import org.mifos.framework.exceptions.PageExpiredException;

public class TagGeneratorFactory {

    private Map<String, String> generatorNames = new HashMap<String, String>();

    private static TagGeneratorFactory instance = new TagGeneratorFactory();

    protected Map<String, String> getGeneratorNames() {
        return generatorNames;
    }

    private TagGeneratorFactory() {
        generatorNames.put("org.mifos.customers.client.business.ClientBO",
                "org.mifos.framework.components.taggenerator.CustomerTagGenerator");
        generatorNames.put("org.mifos.customers.center.business.CenterBO",
                "org.mifos.framework.components.taggenerator.CustomerTagGenerator");
        generatorNames.put("org.mifos.customers.group.business.GroupBO",
                "org.mifos.framework.components.taggenerator.CustomerTagGenerator");
        generatorNames.put("org.mifos.customers.office.business.OfficeBO",
                "org.mifos.framework.components.taggenerator.OfficeTagGenerator");
        generatorNames.put("org.mifos.accounts.savings.business.SavingsBO",
                "org.mifos.framework.components.taggenerator.AccountTagGenerator");
        generatorNames.put("org.mifos.accounts.loan.business.LoanBO",
                "org.mifos.framework.components.taggenerator.AccountTagGenerator");
        generatorNames.put("org.mifos.accounts.business.CustomerAccountBO",
                "org.mifos.framework.components.taggenerator.AccountTagGenerator");
        generatorNames.put("org.mifos.customers.personnel.business.PersonnelBO",
                "org.mifos.framework.components.taggenerator.PersonnelTagGenerator");

    }

    public static TagGeneratorFactory getInstance() {
        return instance;
    }

    public TagGenerator getGenerator(AbstractBusinessObject bo) throws PageExpiredException {
        try {

            if (bo == null) {
                throw new PageExpiredException();
            }
            return (TagGenerator) Class.forName(getGeneratorNames().get(getClassName(bo))).newInstance();
        } catch (ClassNotFoundException e) {
            throw new FrameworkRuntimeException(e);
        } catch (IllegalAccessException e) {
            throw new FrameworkRuntimeException(e);
        } catch (InstantiationException e) {
            throw new FrameworkRuntimeException(e);
        }
    }

    private String getClassName(AbstractBusinessObject bo) {
        if (bo instanceof CenterBO) {
            return "org.mifos.customers.center.business.CenterBO";
        }
        if (bo instanceof GroupBO) {
            return "org.mifos.customers.group.business.GroupBO";
        }
        if (bo instanceof ClientBO) {
            return "org.mifos.customers.client.business.ClientBO";
        }
        if (bo instanceof SavingsBO) {
            return "org.mifos.accounts.savings.business.SavingsBO";
        }
        if (bo instanceof LoanBO) {
            return "org.mifos.accounts.loan.business.LoanBO";
        }
        if (bo instanceof CustomerAccountBO) {
            return "org.mifos.accounts.business.CustomerAccountBO";
        }
        if (bo instanceof OfficeBO) {
            return "org.mifos.customers.office.business.OfficeBO";
        }
        if (bo instanceof PersonnelBO) {
            return "org.mifos.customers.personnel.business.PersonnelBO";
        }
        if (bo instanceof CustomerBO) {
            if (((CustomerBO) bo).getCustomerLevel().getId().equals(CustomerLevel.CLIENT.getValue())) {
                return "org.mifos.customers.client.business.ClientBO";
            }
            if (((CustomerBO) bo).getCustomerLevel().getId().equals(CustomerLevel.GROUP.getValue())) {
                return "org.mifos.customers.group.business.GroupBO";
            }
            if (((CustomerBO) bo).getCustomerLevel().getId().equals(CustomerLevel.CENTER.getValue())) {
                return "org.mifos.customers.center.business.CenterBO";
            }
        }
        return null;
    }

}