Package org.apache.empire.struts2.websample.web

Source Code of org.apache.empire.struts2.websample.web.SampleApplication

/*
* 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.empire.struts2.websample.web;

import javax.servlet.ServletContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.empire.samples.cxf.wssample.client.EmployeeServiceClient;
import org.apache.empire.struts2.actionsupport.TextProviderActionSupport;
import org.apache.empire.struts2.html.HtmlTagDictionary;
import org.apache.empire.struts2.web.WebApplication;
import org.apache.empire.struts2.websample.ws.SampleBeanDomain;

public class SampleApplication implements WebApplication {
  // Logger
  protected static Log log = LogFactory.getLog(SampleApplication.class);

  // must be singleton
  private static SampleApplication application;

  public static SampleApplication getInstance() {
    return application;
  }

  // Non-Static
  private SampleBeanDomain beanDomain = new SampleBeanDomain();
  private SampleConfig config = new SampleConfig();
 
  private EmployeeServiceClient ws = new EmployeeServiceClient(config
      .getServiceAddress());

  public void init(ServletContext servletContext) {
    try {

      // Application
      if (application != null) {
        log.fatal("Application has already been initiallized!");
        return;
      }
      application = this;

      // register all controls
      // InputControlManager.registerControl("myType", new
      // MyTypeInputControl());
      config.init(servletContext.getRealPath("WEB-INF/config.xml"));

      // Set Html Dictionary
      HtmlTagDictionary.set(new SampleHtmlTagDictionary());

      // Set Database to Servlet Context
      servletContext.setAttribute("db", beanDomain);

      // Get a Webservice Connection
      log.info("*** testing Webservice Connection ***");
      ws = initEmployeeServiceClient();

      // Disable Message caching
      TextProviderActionSupport.setCachingEnabled(false);

      // Done
      log.info("Application initialized ");

    } catch (Exception e) {
      // Error
      log.info(e.toString());
      e.printStackTrace();
    }

  }

  public SampleBeanDomain getBeanDomain() {
    return beanDomain;
  }

  public EmployeeServiceClient getEmployeeServiceClient() {
    return ws;
  }

  private EmployeeServiceClient initEmployeeServiceClient() {
    String addr = config.getServiceAddress();
    try {
      EmployeeServiceClient emp = new EmployeeServiceClient(addr);
      return emp;
    } catch (Throwable e) {
      log.error("Failed to connect directly to '" + addr + "'");
      throw new RuntimeException(e);
    }

  }

}
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