ServerSettings.java

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/*
 * Project: Server for annotations sharing
 * Author: Ing. Jaroslav Dytrych idytrych@fit.vutbr.cz
 * File: ServerSettings.java
 * Description: Backbean for page with list of server settings
 */

/**
 * @file ServerSettings.java
 *
 * @brief Backbean for page with list of server settings
 */

package cz.vutbr.fit.knot.annotations.web;

import cz.vutbr.fit.knot.annotations.app.AppBean;
import cz.vutbr.fit.knot.annotations.app.Constants;
import cz.vutbr.fit.knot.annotations.entity.ServerSetting;
import cz.vutbr.fit.knot.annotations.modules.suggestionManager.SECAPIInterface;
import cz.vutbr.fit.knot.annotations.modules.suggestionManager.SuggestionManager;
import java.io.Serializable;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.component.html.HtmlDataTable;

/**
 * Backbean for page with list of server settings
 *
 * @brief Backbean for page with list of server settings
 * @author Martin Petr (xpetrm05)
 */
@ManagedBean
@SessionScoped
public class ServerSettings implements Serializable{
  /**
   * Table asociated with list of server settings
   */
  private HtmlDataTable listTable;
  /**
   * Server setting from table
   */
  private ServerSetting setting = null;
  /**
   * Status message
   */
  private String statusMessage = "";

  /**
   * Gets table asociated with list of server settings
   *
   * @return Returns table asociated with list of server settings
   */
  public HtmlDataTable getListTable() {
    return listTable;
  }
  
  /**
   * Sets table asociated with list of server settings
   *
   * @param listTable Table asociated with list of server settings
   */
  public void setListTable(HtmlDataTable listTable) {
    this.listTable = listTable;
  }
  
  /**
   * Gets actual server setting selected in table
   *
   * @return Returns selected server setting
   */
  public ServerSetting getSetting() {
    return setting;
  }

  /**
   * Sets actual server setting selected in table
   *
   * @param setting Actual server setting
   */
  public void setSetting(ServerSetting setting) {
    this.setting = setting;
  }
  
  /**
   * Gets list of all existing server settings
   *
   * @return Returns list of all existing server settings
   */
  public List<ServerSetting> getSettings(){
    @SuppressWarnings("unchecked")
    List<ServerSetting> result = AppBean.getPersistenceManager().getEntitiesByName("ServerSetting");
    Iterator<ServerSetting> sIt = result.iterator();
    while (sIt.hasNext()) {
      ServerSetting s = sIt.next();
      if (Constants.SPECIAL_SETTINGS.contains(s.getSettingName())) {
        sIt.remove();
      }
    }
    return result;
  }
  
  /**
   * Action listener for edit server setting in table
   *
   * @return Returns page outcome to go to editing page
   */
  public String actionEdit(){
    // get selected row from table
    setting = (ServerSetting) listTable.getRowData();
    // pass selected setting through the session
    SessionManager.getSession().setActualServerSetting(setting);
    SessionManager.getSession().setFormBackup(null);
    statusMessage = "";
    return "editServerSetting";
  }
  
  /**
   * Action listener for link for setting of server URI
   *
   * @return Returns page outcome to go to creating page
   */
  public String actionServerURISettings(){
    SessionManager.getSession().setComeFrom("serverSettingsList");
    statusMessage = "";
    return "setServerURI";
  }
  
  /**
   * Action listener for link for restart of SEC API
   *
   * @return Returns page outcome to stay on same page
   */
  public String actionResetSECAPI(){
    if (AppBean.isSecApiInterfaceAvailable()) {
      SECAPIInterface sai = AppBean.getSecApiInterface();
      sai.close();
      try {
        TimeUnit.SECONDS.sleep(15);  // wait some time to free all resources
      } catch (InterruptedException ex) {
        Logger.getLogger(ServerSettings.class.getName()).log(Level.SEVERE, null, ex);
      }
      sai.init();
      SuggestionManager.initReqTypes();
      if (AppBean.getReqTypeDefinitions().isEmpty()) {
        statusMessage = MessageProvider.getMessage("SECAPIFailed");
      } else {
        statusMessage = MessageProvider.getMessage("SECAPIRestarted");
      }
    } else {
      statusMessage = MessageProvider.getMessage("SECAPINotAvailable");
    }
    return null;
  }  // actionResetSECAPI()

  /**
   * Gets status message
   * 
   * @return Returns status message
   */
  public String getStatusMessage() {
    return statusMessage;
  }
  
}  // class ServerSettings