Re: Hot deploy of portlets in Pluto Portal

Craig Doremus Tue, 17 May 2005 04:36:39 -0700

Saavedra,

Thank you for the patch. I plan on using this with the Admin Portlet Application to fix PLUTO-107 (http://issues.apache.org/jira/browse/PLUTO-107). /Craig

Hi!
We've used eclipse "create a patch" and standard diff options.
Hope it helps!
Regards,
Oscar.
Index: src/org/apache/pluto/portalImpl/Servlet.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/Servlet.java,v retrieving revision 1.1 diff -r1.1 Servlet.java 156a157,177

String theService = servletRequest.getParameter("hotService"); if (theService != null) { try {

ServiceManager.hotInit(getServletConfig(), theService);

} catch (Throwable exc) { log("Initialization failed!", exc); throw (new

javax.servlet.UnavailableException(

"Initialization of one

or more services failed."));
                        }
        
                        try {
ServiceManager.postHotInit(getServletConfig(), theService);

} catch (Throwable expos) { log("Post initialization failed!",

expos);

throw (new

javax.servlet.UnavailableException(

"Post initialization of

one or more services failed."));
                        }
servletResponse.getOutputStream().println("Service reloaded.");

return; }

157a179,180

Index: src/org/apache/pluto/portalImpl/services/ServiceManager.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/services/ServiceMa nager.java,v retrieving revision 1.1 diff -r1.1 ServiceManager.java 316a317,497

public static void hotInit (ServletConfig aConfig, String

theService) throws Exception

{ hotInit (aConfig, SERVICES_CONFIG_FILE,

SERVICES_CONFIG_DIR, theService);

} public static void hotInit(ServletConfig aConfig, String aServiceConfigFile, String

aServiceConfigDir, String theService)
                                throws Exception {
                        // avoid duplicate initialization of services
                        if (!cInitialized) {
                                synchronized (ServiceManager.class) {
                                        if (!cInitialized) {
                                                cInitialized = true;
                                        } else {
                                                return;
                                        }
                                }
                        } else {
                                return;
                        }
                        ServletContext context = null;
                        if (aConfig != null)
                                context = aConfig.getServletContext();
if (context != null) context.log("ServiceManager: HOTHOT
Loading service:
"+theService);
                        Properties props = new Properties();
                        try {
props.load(context.getResourceAsStream(aServiceConfigFile));

} catch (IOException exc) { if (context != null) context.log("ServiceManager:

File \"" + aServiceConfigFile

+ "\" cannot be

found or read.");

throw new Exception("ServiceManager:

File \"" + aServiceConfigFile

+ "\" cannot be found or

read.");
                        }
                        int numAll = 0;
                        int numSuccessful = 0;
for (Iterator iter = props.names();
iter.hasNext();) {

String serviceBaseName = (String)

iter.next();

if (serviceBaseName.equals(theService))

{

context.log("ServiceManager:

Service "+theService+" FOUND!!");
                                        numAll++;
// ty to get hold of the base
service

Class serviceBase; try { serviceBase =

Class.forName(serviceBaseName);

} catch (ClassNotFoundException

exc) {
                                                if (context != null)
context.log("ServiceManager: A service with name "

+ serviceBaseName + " cannot be found.");
                                                continue;
                                        }
String serviceImplName =
props.getString(serviceBaseName);

Class serviceImpl = null; Service service = null; try { serviceImpl =

Class.forName(serviceImplName);

service = (Service)

serviceImpl.newInstance();

Properties serviceProps

= new Properties();

try { InputStream is =

null;

is =

context.getResourceAsStream(aServiceConfigDir

+ StringUtils.nameOf(serviceImpl)

+ ".properties");

if (is == null) is =

context.getResourceAsStream(aServiceConfigDir

+ StringUtils.nameOf(serviceBase)

+ ".properties");
                                                        if (is != null)
serviceProps.load(is);

} catch (IOException

exc) {

// ignore -- we

go without properties then
                                                }
                                                if (context != null)
context.log(StringUtils.nameOf(serviceBase)

+ " initializing...");

service.init(aConfig,

serviceProps);
                                                if (context != null)
context.log(StringUtils.nameOf(serviceBase) + " done.");

} catch (ClassNotFoundException

exc) {
                                                if (context != null)
                                                        context
.log(

"ServiceManager: A service implementation with name "

+ serviceImplName

+ " cannot be found.", exc);

continue; } catch (ClassCastException exc)

{
                                                if (context != null)
context.log("ServiceManager: Service implementation "

+ serviceImplName

+ " is not a service of the required type.",

exc);

continue; } catch (InstantiationException

exc) {
                                                if (context != null)
context.log("ServiceManager: Service implementation "

+ serviceImplName + " cannot be instantiated.",

exc);
                                                continue;
                                        } catch (Exception exc) {
                                                if (context != null)
                                                        context
.log(

"ServiceManager: An unidentified error occurred",

exc);
                                                service = null;
                                        }
                                        if (service != null) {
cServicesMap.put(serviceBase, service);

// build up list in

reverse order for later destruction

cServicesList.add(0,

service);
                                                numSuccessful++;
                                        }
                                }
                        }
if (context != null) context.log("ServiceManager: Services
initialized ("

+ numSuccessful + "/" +

numAll + " successful).");

if (numSuccessful != numAll) { throw new Exception("ServiceManager:

Services initialized ("

+ numSuccessful + "/" +

numAll + " successful).");
                        }
                }
public static void postHotInit(ServletConfig aConfig, String
theService) {
                // avoid duplicate destruction of services
              if (cInitialized)
              {
                  synchronized (ServiceManager.class)
                  {
                      if (cInitialized)
                      {
                          cInitialized = false;
                      }
                      else
                      {
                          return;
                      }
                  }
              }
              else
              {
                  return;
              }
              ServletContext context = null;
              if (aConfig != null)
                  context = aConfig.getServletContext ();
// post init all services try { Service service = (Service)
cServicesMap.get(Class.forName(theService));

service.postInit(aConfig); } catch (Exception exc) { if (context != null) context.log("ServiceManager:

Service couldn't be started (postInit) after init..",exc);
             }
           }
Index: src/org/apache/pluto/portalImpl/services/pageregistry/PageRegistry.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/services/pageregis try/PageRegistry.java,v retrieving revision 1.1 diff -r1.1 PageRegistry.java 36c36 < private final static PageRegistryService cService = ---

private static PageRegistryService cService =

46a47,51
   }
public static void setRootFragment() { cService = (PageRegistryService)
ServiceManager.getService

(PageRegistryService.class);

Index: src/org/apache/pluto/portalImpl/services/pageregistry/PageRegistryServic eFileImpl.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/services/pageregis try/PageRegistryServiceFileImpl.java,v retrieving revision 1.1 diff -r1.1 PageRegistryServiceFileImpl.java 66c66 < private HashMap fragments = new HashMap(); ---

private static HashMap fragments = new HashMap();

99a100

fragments = new HashMap();

101c102,103 < ---

PageRegistry.setRootFragment();

Index: src/org/apache/pluto/portalImpl/services/portletdefinitionregistry/Portl etDefinitionRegistry.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/services/portletde finitionregistry/PortletDefinitionRegistry.java,v retrieving revision 1.1 diff -r1.1 PortletDefinitionRegistry.java 37c37 < private final static PortletDefinitionRegistryService cService = ---

private static PortletDefinitionRegistryService cService =

57a58,62
   }
public static void setPortletDefinitionRegistryService() { PortletDefinitionRegistryService cService = (PortletDefinitionRegistryService) ServiceManager.getService
(PortletDefinitionRegistryService.class); Index: src/org/apache/pluto/portalImpl/services/portletdefinitionregistry/Portl etDefinitionRegistryServiceContextImpl.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/services/portletde finitionregistry/PortletDefinitionRegistryServiceContextImpl.java,v retrieving revision 1.1 diff -r1.1 PortletDefinitionRegistryServiceContextImpl.java 66,67c66,67 < private Mapping webXmlMapping; < private Mapping portletXmlMapping; ---

private static Mapping webXmlMapping; private static Mapping portletXmlMapping;

69,70c69,70 < private PortletApplicationDefinitionListImpl registry; < private Map definitions; ---

private static PortletApplicationDefinitionListImpl registry; private static Map definitions;

103a104,109
   public void postInit() throws Exception
        {
        PortletDefinitionRegistry.setPortletDefinitionRegistryService();
   }
Index: src/org/apache/pluto/portalImpl/services/portletdefinitionregistry/Portl etDefinitionRegistryServiceFileImpl.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/services/portletde finitionregistry/PortletDefinitionRegistryServiceFileImpl.java,v retrieving revision 1.1 diff -r1.1 PortletDefinitionRegistryServiceFileImpl.java 165a166,170
   public void postInit() throws Exception
        {
PortletDefinitionRegistry.setPortletDefinitionRegistryService();
        }
Index: src/org/apache/pluto/portalImpl/services/portletentityregistry/PortletEn tityRegistry.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/services/portleten tityregistry/PortletEntityRegistry.java,v retrieving revision 1.1 diff -r1.1 PortletEntityRegistry.java 37c37 < private final static PortletEntityRegistryService cService = ---

private static PortletEntityRegistryService cService =

47a48,52

} public static void setPortletEntityRegistryService() { cService = (PortletEntityRegistryService) ServiceManager.getService (PortletEntityRegistryService.class);

Index: src/org/apache/pluto/portalImpl/services/portletentityregistry/PortletEn tityRegistryServiceFileImpl.java =================================================================== RCS file: /pry/pluto/pluto-orig/src/org/apache/pluto/portalImpl/services/portleten tityregistry/PortletEntityRegistryServiceFileImpl.java,v retrieving revision 1.1 diff -r1.1 PortletEntityRegistryServiceFileImpl.java 96a97,100

public void postInit() throws Exception { PortletEntityRegistry.setPortletEntityRegistryService(); }
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Re: Hot deploy of portlets in Pluto Portal

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