From b086f57f56bf0eb9dab9cf321a0f69aaaae84347 Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew.branson@cern.ch>
Date: Wed, 30 May 2012 08:37:45 +0200
Subject: Initial Maven Conversion

---
 .../java/com/c2kernel/process/ModuleManager.java   | 82 ++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 src/main/java/com/c2kernel/process/ModuleManager.java

(limited to 'src/main/java/com/c2kernel/process/ModuleManager.java')

diff --git a/src/main/java/com/c2kernel/process/ModuleManager.java b/src/main/java/com/c2kernel/process/ModuleManager.java
new file mode 100644
index 0000000..e7be9e8
--- /dev/null
+++ b/src/main/java/com/c2kernel/process/ModuleManager.java
@@ -0,0 +1,82 @@
+package com.c2kernel.process;
+
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.Properties;
+
+import com.c2kernel.common.ObjectNotFoundException;
+import com.c2kernel.entity.proxy.ItemProxy;
+import com.c2kernel.lookup.DomainPath;
+import com.c2kernel.utils.FileStringUtility;
+import com.c2kernel.utils.Logger;
+
+public class ModuleManager {
+	ArrayList<Module> modules = new ArrayList<Module>();
+	Properties props = new Properties();
+	boolean isServer;
+
+	public ModuleManager(Enumeration<URL> moduleEnum, boolean isServer) {
+		this.isServer = isServer;
+		ArrayList<String> loadedModules = new ArrayList<String>();
+		while(moduleEnum.hasMoreElements()) {
+			URL newModuleURL = moduleEnum.nextElement();
+			try {
+				Module newModule = new Module(FileStringUtility.url2String(newModuleURL));
+				modules.add(newModule);
+				loadedModules.add(newModule.getName());
+				Properties modProp = isServer?newModule.getServerProperties():newModule.getClientProperties();
+		        for (Enumeration<?> e = modProp.propertyNames(); e.hasMoreElements();) {
+		            String propName = (String)e.nextElement();
+		            props.put(propName, modProp.get(propName));
+		        }
+			} catch (Exception e) {
+				Logger.error("Could not load module description from "+newModuleURL);
+				Logger.error(e);
+			}
+		}
+		
+		Logger.debug(5, "Checking dependencies");
+		boolean depFailed = false;
+		for (Module thisMod : modules) {
+			ArrayList<String> deps = thisMod.getDependencies();
+			for (String dep : deps) {
+				if (!loadedModules.contains(dep)) {
+					Logger.error("UNMET MODULE DEPENDENCY: "+thisMod.getName()+" requires "+dep);
+					depFailed = true;
+				}
+			}
+		}
+		if (depFailed) Logger.die("Unmet module dependencies. Cannot continue");
+	}
+
+	public String getModuleVersions() {
+		StringBuffer ver = new StringBuffer();
+		for (Module thisMod : modules) {
+			if (ver.length()>0) ver.append(";");
+			ver.append(thisMod.getName()+"("+thisMod.getVersion()+")");
+		}
+		return ver.toString();
+	}
+	
+	
+	public Properties getAllModuleProperties() {
+		return props;
+	}
+	
+	public void runScripts(String event) {
+		for (Module thisMod : modules) {
+			thisMod.runScript(event, isServer);
+		}
+	}
+	
+	public void registerModules() throws ObjectNotFoundException {
+		ItemProxy serverEntity = (ItemProxy)Gateway.getProxyManager().getProxy(new DomainPath("/servers/"+Gateway.getProperty("ItemServer.name")));
+		Logger.debug(3, "Registering modules");
+		for (Module thisMod : modules) {
+			Logger.debug(4, "Registering module "+thisMod.getName());
+			thisMod.importAll(serverEntity);
+			Logger.msg("Module "+thisMod.getName()+" registered");
+		}
+	}
+}
-- 
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