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1   /*
2    * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package edu.internet2.middleware.shibboleth.common.config.service;
18  
19  import org.opensaml.xml.util.DatatypeHelper;
20  import org.slf4j.Logger;
21  import org.slf4j.LoggerFactory;
22  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
23  import org.springframework.beans.factory.xml.ParserContext;
24  import org.w3c.dom.Element;
25  
26  import edu.internet2.middleware.shibboleth.common.config.SpringConfigurationUtils;
27  
28  /**
29   * Base bean definition parser for reloadable services.
30   */
31  public abstract class AbstractReloadableServiceBeanDefinitionParser extends AbstractServiceBeanDefinitionParser {
32  
33      /** Class logger. */
34      private final Logger log = LoggerFactory.getLogger(AbstractReloadableServiceBeanDefinitionParser.class);
35  
36      /** {@inheritDoc} */
37      protected void doParse(Element configElement, ParserContext parserContext, BeanDefinitionBuilder builder) {
38          super.doParse(configElement, parserContext, builder);
39  
40          if (configElement.hasAttributeNS(null, "configurationResourcePollingFrequency")) {
41              builder.addPropertyReference("pollingTimer", configElement.getAttributeNS(null, "timerId"));
42  
43              long frequency = SpringConfigurationUtils.parseDurationToMillis(
44                      "'configurationResourcePollingFrequency' on service " + configElement.getAttributeNS(null, "id"),
45                      configElement.getAttributeNS(null, "configurationResourcePollingFrequency"), 1);
46              builder.addPropertyValue("pollingFrequency", frequency);
47              log.debug("{} service configuration polling frequency: {}ms", getServiceId(configElement), frequency);
48  
49              int retryAttempts = 0;
50              if (configElement.hasAttributeNS(null, "configurationResourcePollingRetryAttempts")) {
51                  retryAttempts = Integer.parseInt(DatatypeHelper.safeTrimOrNullString(configElement.getAttributeNS(null,
52                          "configurationResourcePollingRetryAttempts")));
53              }
54              if (retryAttempts < 1) {
55                  retryAttempts = 3;
56              }
57              builder.addPropertyValue("pollingRetryAttempts", retryAttempts);
58              log.debug("{} service configuration polling retry attempts: {}", getServiceId(configElement),
59                              retryAttempts);
60          }
61      }
62  }