Examples of org.apache.commons.configuration.Configuration.subset()

Package org.apache.commons.configuration

Class org.apache.commons.configuration.Configuration

Examples of org.apache.commons.configuration.Configuration.subset()

org.apache.commons.configuration.Configuration.subset()
Return a decorator Configuration containing every key from the current Configuration that starts with the specified prefix. The prefix is removed from the keys in the subset. For example, if the configuration contains the following properties:
```
 prefix.number = 1 prefix.string = Apache prefixed.foo = bar prefix = Jakarta
```
the Configuration returned by subset("prefix") will contain the properties:
```
 number = 1 string = Apache = Jakarta
```
(The key for the value "Jakarta" is an empty string)
Since the subset is a decorator and not a modified copy of the initial Configuration, any change made to the subset is available to the Configuration, and reciprocally. @param prefix The prefix used to select the properties. @return a subset configuration @see SubsetConfiguration

      Configuration defaults, String prefix)
      throws ConfigurationException {
    CompositeConfiguration config = new CompositeConfiguration();
    config.setDelimiterParsingDisabled(true);
    Configuration sub = clusterSpec.getConfigurationForKeysWithPrefix(prefix);
    config.addConfiguration(sub.subset(prefix)); // remove prefix
    config.addConfiguration(defaults.subset(prefix));
    return config;
  }


  public static Statement buildCommon(String path, ClusterSpec clusterSpec,

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    {
        List<String> vhostFiles = conf.getList("virtualhosts");
        Configuration vhostConfig = conf.subset("virtualhosts");


        // Only one configuration mechanism allowed
        if (!vhostFiles.isEmpty() && !vhostConfig.subset("virtualhost").isEmpty())
        {
            throw new ConfigurationException("Only one of external or embedded virtualhosts configuration allowed.");
        }


        // We can only have one vhosts XML file included

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        for (int j = 0; j < hosts.size(); j++)
        {
            String name = (String) hosts.get(j);


            // Add the virtual hosts to the server configuration
            VirtualHostConfiguration virtualhost = new VirtualHostConfiguration(name, vhostConfiguration.subset("virtualhost." + name));
            _virtualHosts.put(virtualhost.getName(), virtualhost);
        }
    }


    private static void substituteEnvironmentVariables(Configuration conf)

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            {
                HttpHost [] defaultProxyHosts = new HttpHost[proxyNames.length];
                
                for (int i = 0; i < proxyNames.length; i++)
                {
                    defaultProxyHosts[i] = buildHttpHost(defaultProxiesConf.subset(proxyNames[i]));
                }
                
                httpRoutePlanner.setDefaultProxyHosts(defaultProxyHosts);
            }
        }

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            Map<HttpHost, HttpRoute> proxyRouteMap = new HashMap<HttpHost, HttpRoute>();
            
            if (!routesConf.isEmpty())
            {
                ConnPerRouteBean connPerRouteBean = new ConnPerRouteBean();
                setBeanPropertiesByConfiguration(connPerRouteBean, routesConf.subset("param"));
                
                Map<HttpRoute, Integer> maxForRoutes = new HashMap<HttpRoute, Integer>();
                
                String [] routeNames = routesConf.getStringArray("");

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    public void reparseConfigFile() throws ConfigurationException
    {
        if (_configFile != null)
        {
            Configuration newConfig = parseConfig(_configFile);
            _securityConfiguration = new SecurityConfiguration(newConfig.subset("security"));
            ApplicationRegistry.getInstance().getAccessManager().configurePlugins(_securityConfiguration);
            
            VirtualHostRegistry vhostRegistry = ApplicationRegistry.getInstance().getVirtualHostRegistry();
            for (String hostname : _virtualHosts.keySet())
            {

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            VirtualHostRegistry vhostRegistry = ApplicationRegistry.getInstance().getVirtualHostRegistry();
            for (String hostname : _virtualHosts.keySet())
            {
                VirtualHost vhost = vhostRegistry.getVirtualHost(hostname);
                SecurityConfiguration hostSecurityConfig = new SecurityConfiguration(newConfig.subset("virtualhosts.virtualhost."+hostname+".security"));
                vhost.getAccessManager().configureHostPlugins(hostSecurityConfig);
            }
        }
    }

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                    log.debug("handle: " + handle
                            + " DataSourceFactory: " + classname);
                    Class dsfClass = Class.forName(classname);
                    DataSourceFactory dsf =
                            (DataSourceFactory) dsfClass.newInstance();
                    dsf.initialize(c.subset(handle));
                    dsFactoryMap.put(handle, dsf);
                }
            }
        }
        catch (Exception e)

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      .thenReturn(instances);


    Configuration config = ElasticSearchConfigurationBuilder.buildConfig(spec, cluster);
    String content = StringUtils.join(
      ElasticSearchConfigurationBuilder.asYamlLines(
        config.subset(ElasticSearchConfigurationBuilder.ES_PREFIX)), "\n");


    assertThat(content, is("index:\n" +
      "  store:\n" +
      "    type: memory\n" +
      "gateway:\n" +

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  private Properties createClientSideYarnProperties(ClusterSpec clusterSpec, Instance resourceManager) throws IOException {
    Properties config = new Properties();
    String prefix = "hadoop-yarn";
    Configuration sub = clusterSpec.getConfigurationForKeysWithPrefix(prefix);
    sub = sub.subset(prefix); // remove prefix
    for (@SuppressWarnings("unchecked")
        Iterator<String> it = sub.getKeys(); it.hasNext(); ) {
      String key = it.next();
      // rebuild the original value by joining all of them with the default separator
      String value = StringUtils.join(sub.getStringArray(key),

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