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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.core; |
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package uk.org.iscream.cms.server.core; |
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//---IMPORTS--- |
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import uk.ac.ukc.iscream.util.*; |
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import uk.ac.ukc.iscream.componentmanager.*; |
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import uk.org.iscream.cms.server.util.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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import java.net.InetAddress; |
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import java.net.UnknownHostException; |
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import java.util.*; |
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import java.io.*; |
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*/ |
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ConfigurationManagerServant() { |
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// assign some local variables |
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_configPath = System.getProperty("uk.ac.ukc.iscream.ConfigurationLocation"); |
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_systemConfigFile = System.getProperty("uk.ac.ukc.iscream.SystemConfigurationFile"); |
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_configPath = System.getProperty("uk.org.iscream.cms.server.ConfigurationLocation"); |
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_systemConfigFile = System.getProperty("uk.org.iscream.cms.server.SystemConfigurationFile"); |
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// load the system config |
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loadSystemConfig(); |
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} |
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// search config for group membership |
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LinkedList groups = getGroupMembership(source); |
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// and obain a list of groups by name |
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LinkedList nameGroups = getGroupMembership(source); |
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// add the hosts individual config to the start of the list |
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groups.addFirst(source); |
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nameGroups.addFirst(source); |
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// this list will be used to compile the groupings |
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LinkedList groups = new LinkedList(); |
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// if we are dealing with a Host.<hostname> request, then we also |
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// want to look for ip address details, as configuration entries may relate to it |
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// if we can't resolve it, we don't look. |
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LinkedList ipGroups = null; |
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if (source.startsWith("Host.")) { |
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// hostname is after Host. |
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String hostname = source.substring(5); |
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try { |
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String ip = "Host." + InetAddress.getByName(hostname).getHostAddress(); |
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ipGroups = getGroupMembership(ip); |
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ipGroups.addFirst(ip); |
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// add to our list of groups |
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groups.addAll(ipGroups); |
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} catch (UnknownHostException e) { |
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_logger.write(toString(), Logger.ERROR, "could not resolve hostname - " + hostname); |
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} |
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} |
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// add the rest of the groups to the end |
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groups.addAll(nameGroups); |
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Iterator i = groups.iterator(); |
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String fileList = ""; |
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} |
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} |
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// add the system config as the final check |
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fileList += _systemConfigFile + ";"; |
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fileList = _systemConfigFile + ";" + fileList; |
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_logger.write(toString(), Logger.DEBUG, "config tree - " + fileList); |
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// build the configuration |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* This uses the uk.ac.ukc.iscream.util.FormatName class |
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* This uses the uk.org.iscream.cms.server.util.FormatName class |
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* to format the toString() |
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* |
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* @return the name of this class and its CVS revision |
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* @return the list of groups that this source is a member of |
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*/ |
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private LinkedList getGroupMembership(String source) { |
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_logger.write(toString(), Logger.DEBUG, "searching groups for - " + source); |
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LinkedList groupMembership = new LinkedList(); |
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Iterator i = new TreeSet(_systemConfigHolder.keySet()).iterator(); |
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while(i.hasNext()) { |
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String key = (String) i.next(); |
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if (key.startsWith("group.")) { |
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String group = _systemConfig.getProperty(key); |
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// if it is in the group |
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if (group.indexOf(source) != -1) { |
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groupMembership.add(key.substring(6)); |
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_logger.write(toString(), Logger.DEBUG, "group match found for - " + source + " in - " + key); |
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// if there are wildcards in the group |
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} else if (group.indexOf("*") != -1) { |
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// check the wildcards apply to this srce |
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if(StringUtils.wildcardCheck(source, group)) { |
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groupMembership.add(key.substring(6)); |
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_logger.write(toString(), Logger.DEBUG, "wildcard group match found for - " + source + " in - " + key); |
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} |
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} |
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} |
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} |
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return groupMembership; |
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} |
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} |
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/** |
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* Build the properties as a Configuration to be |
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// some holders for variables |
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File currentFile; |
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long lastModified, newLastModified; |
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Properties properties, prevProperties; |
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long lastModified = 0, newLastModified = 0; |
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Properties properties = null, prevProperties = null; |
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// the root of all configurations will be the system config |
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// so we need to open the properties of that |
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Properties defaultProperties = new Properties(); |
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currentFile = new File(_configPath, _systemConfigFile); |
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lastModified = currentFile.lastModified(); |
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defaultProperties.load(new FileInputStream(currentFile)); |
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// This loop then iterates over the file list |
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// creates the properties to be passed to the |
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// Configuration constructor |
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do { |
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while (st.hasMoreTokens()) { |
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properties = new Properties(defaultProperties); |
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currentFile = new File(_configPath, st.nextToken()); |
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newLastModified = currentFile.lastModified(); |
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} |
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properties.load(new FileInputStream(currentFile)); |
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defaultProperties = properties; |
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} while (st.hasMoreTokens()); |
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} |
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// this creates the configuration, all nice, ready to be returned |
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ConfigurationServant ref = new ConfigurationServant(properties, fileList, lastModified); |
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org.omg.CORBA.Object objRef = _refman.getRootPOA().servant_to_reference(ref); |
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config = ConfigurationHelper.narrow(objRef); |
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_logger.write(toString(), Logger.DEBUG, "returning built configuration"); |
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} catch (Exception e) { |
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// not sure what to do here |
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// so we just log the error |
