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1   /*
2    * Licensed to the University Corporation for Advanced Internet Development, 
3    * Inc. (UCAID) under one or more contributor license agreements.  See the 
4    * NOTICE file distributed with this work for additional information regarding
5    * copyright ownership. The UCAID licenses this file to You under the Apache 
6    * License, Version 2.0 (the "License"); you may not use this file except in 
7    * compliance with the License.  You may obtain a copy of the License at
8    *
9    *    http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package edu.internet2.middleware.shibboleth.common.config.service;
19  
20  import org.opensaml.xml.util.DatatypeHelper;
21  import org.slf4j.Logger;
22  import org.slf4j.LoggerFactory;
23  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
24  import org.springframework.beans.factory.xml.ParserContext;
25  import org.w3c.dom.Element;
26  
27  import edu.internet2.middleware.shibboleth.common.config.SpringConfigurationUtils;
28  
29  /**
30   * Base bean definition parser for reloadable services.
31   */
32  public abstract class AbstractReloadableServiceBeanDefinitionParser extends AbstractServiceBeanDefinitionParser {
33  
34      /** Class logger. */
35      private final Logger log = LoggerFactory.getLogger(AbstractReloadableServiceBeanDefinitionParser.class);
36  
37      /** {@inheritDoc} */
38      protected void doParse(Element configElement, ParserContext parserContext, BeanDefinitionBuilder builder) {
39          super.doParse(configElement, parserContext, builder);
40  
41          if (configElement.hasAttributeNS(null, "configurationResourcePollingFrequency")) {
42              builder.addPropertyReference("pollingTimer", configElement.getAttributeNS(null, "timerId"));
43  
44              long frequency = SpringConfigurationUtils.parseDurationToMillis(
45                      "'configurationResourcePollingFrequency' on service " + configElement.getAttributeNS(null, "id"),
46                      configElement.getAttributeNS(null, "configurationResourcePollingFrequency"), 1);
47              builder.addPropertyValue("pollingFrequency", frequency);
48              log.debug("{} service configuration polling frequency: {}ms", getServiceId(configElement), frequency);
49  
50              int retryAttempts = 0;
51              if (configElement.hasAttributeNS(null, "configurationResourcePollingRetryAttempts")) {
52                  retryAttempts = Integer.parseInt(DatatypeHelper.safeTrimOrNullString(configElement.getAttributeNS(null,
53                          "configurationResourcePollingRetryAttempts")));
54              }
55              if (retryAttempts < 1) {
56                  retryAttempts = 3;
57              }
58              builder.addPropertyValue("pollingRetryAttempts", retryAttempts);
59              log.debug("{} service configuration polling retry attempts: {}", getServiceId(configElement),
60                              retryAttempts);
61          }
62      }
63  }