nz.co.senanque.workflow.conf.FormFactoryImpl.java Source code

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Here is the source code for nz.co.senanque.workflow.conf.FormFactoryImpl.java

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/*******************************************************************************
 * Copyright (c)2014 Prometheus Consulting
 *
 * 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.
 *******************************************************************************/
package nz.co.senanque.workflow.conf;

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

import javax.annotation.PostConstruct;

import nz.co.senanque.forms.FormEnvironment;
import nz.co.senanque.forms.FormFactory;
import nz.co.senanque.forms.WorkflowForm;

import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * This gives us a form based on a form name. The form is always a bean, usually a prototype.
 * 
 * @author Roger Parkinson
 *
 */
@org.springframework.stereotype.Component("formFactory")
public class FormFactoryImpl implements BeanFactoryAware, FormFactory {

    private static final Logger log = LoggerFactory.getLogger(FormFactoryImpl.class);

    @Autowired(required = false)
    private FormEnvironment m_environment;
    private Map<String, Map<String, String>> m_formsMap = new HashMap<String, Map<String, String>>();
    private BeanFactory m_beanFactory;
    private String m_environmentName = "";

    /* (non-Javadoc)
     * @see nz.co.senanque.forms.FormFactory#getForm(java.lang.String)
     */
    @Override
    public WorkflowForm getForm(String formName) {
        if (m_formsMap != null && !m_formsMap.isEmpty()) {
            Map<String, String> environmentEntry = m_formsMap.get(m_environmentName);
            if (environmentEntry == null) {
                environmentEntry = m_formsMap.values().iterator().next();
            }
            String beanName = environmentEntry.get(formName);
            if (beanName == null) {
                beanName = m_environmentName + StringUtils.capitalize(formName);
            }
            return m_beanFactory.getBean(beanName, WorkflowForm.class);
        }
        String beanName = m_environmentName + StringUtils.capitalize(formName);
        return m_beanFactory.getBean(beanName, WorkflowForm.class);
    }

    public FormEnvironment getEnvironment() {
        return m_environment;
    }

    public void setEnvironment(FormEnvironment environment) {
        m_environment = environment;
    }

    public Map<String, Map<String, String>> getFormsMap() {
        return m_formsMap;
    }

    public void setFormsMap(Map<String, Map<String, String>> formsMap) {
        m_formsMap = formsMap;
    }

    @Override
    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
        m_beanFactory = beanFactory;
    }

    @PostConstruct
    public void init() {
        if (m_environment != null) {
            m_environmentName = m_environment.getName();
        }
    }

}