/*
    * The MIT License
    *
    * Original work sponsored and donated by National Board of e-Health (NSI), Denmark (http://www.nsi.dk)
    *
    * Copyright (C) 2011 National Board of e-Health (NSI), Denmark (http://www.nsi.dk)
    *
    * Permission is hereby granted, free of charge, to any person obtaining a copy of
    * this software and associated documentation files (the "Software"), to deal in
   * the Software without restriction, including without limitation the rights to
   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is furnished to do
   * so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   * $HeadURL$
   * $Id$
   */
  package dk.sosi.seal.pki.impl;
  
  import dk.sosi.seal.SOSIFactory;
  import dk.sosi.seal.model.ModelException;
  import dk.sosi.seal.pki.AuditEventHandler;
  import dk.sosi.seal.pki.SOSIConfiguration;
  
  import java.util.Properties;
  
  /**
   * Default implementation based on a java.util.Properties
   */
  public class PropertiesSOSIConfiguration implements SOSIConfiguration {
      private final Properties properties;
      private final Properties defaultValues;
  
      public static SOSIConfiguration createWithDefaultOcesProperties(Properties properties) {
          final Properties defaults = new Properties();
          defaults.put(SOSIFactory.PROPERTYNAME_SOSI_LDAP_CERTIFICATE_HOST_OCES1, "dir.certifikat.dk");
          defaults.put(SOSIFactory.PROPERTYNAME_SOSI_LDAP_CERTIFICATE_PORT_OCES1, "389");
          return new PropertiesSOSIConfiguration(properties, defaults);
      }
  
      public static SOSIConfiguration createWithDefaultOcesTestProperties(Properties properties) {
          final Properties defaults = new Properties();
          defaults.put(SOSIFactory.PROPERTYNAME_SOSI_LDAP_CERTIFICATE_HOST_OCES1, "fenris.certifikat.dk");
          defaults.put(SOSIFactory.PROPERTYNAME_SOSI_LDAP_CERTIFICATE_PORT_OCES1, "389");
          return new PropertiesSOSIConfiguration(properties, defaults);
      }
  
      public PropertiesSOSIConfiguration(Properties props) {
          this(props, new Properties());
      }
  
      public PropertiesSOSIConfiguration(Properties props, Properties defaults) {
          this.properties = props;
          this.defaultValues = defaults;
      }
  
      public void verify() {
          if (getProperty("sosi:certificate.checker") != null) {
              throw new RuntimeException("sosi:certificate.checker - no longer supported");
          }
      }
  
      public String getLdapCertificateHostOCES1() {
          String value = getProperty(SOSIFactory.PROPERTYNAME_SOSI_LDAP_CERTIFICATE_HOST_OCES1);
          if (value == null) {
              throw new IllegalArgumentException("Property '" + SOSIFactory.PROPERTYNAME_SOSI_LDAP_CERTIFICATE_HOST_OCES1 + "' is not defined.");
          }
          return value;
      }
  
      public int getLdapCertificatePortOCES1() {
          String value = getProperty(SOSIFactory.PROPERTYNAME_SOSI_LDAP_CERTIFICATE_PORT_OCES1);
          if (value == null) {
              throw new IllegalArgumentException("Property '" + SOSIFactory.PROPERTYNAME_SOSI_LDAP_CERTIFICATE_PORT_OCES1 + "' is not defined.");
          }
          return Integer.valueOf(value);
      }
  
      public AuditEventHandler getAuditEventHandler() {
          String className = properties.getProperty(
                  SOSIFactory.PROPERTYNAME_SOSI_FEDERATION_AUDITHANDLER,
                  SOSIFactory.SOSI_DEFAULT_AUDIT_EVENT_HANDLER);
          if(className == null) {
              return null; //NOPMD
          }
          try {
              return (AuditEventHandler) Class.forName(className).newInstance();
          } catch (SecurityException e) {
             throw new ModelException("Failed to construct audit handler", e);
         } catch (ClassNotFoundException e) {
             throw new ModelException("Failed to construct audit handler", e);
         } catch (IllegalArgumentException e) {
             throw new ModelException("Failed to construct audit handler", e);
         } catch (InstantiationException e) {
             throw new ModelException("Failed to construct audit handler", e);
         } catch (IllegalAccessException e) {
             throw new ModelException("Failed to construct audit handler", e);
         }
     }
 
     public String getProperty(String name) {
         if (properties.containsKey(name)) {
             return properties.getProperty(name);
         } else {
             return defaultValues.getProperty(name);
         }
     }
 }