added community home page - first step into community support

src/baseutil/com/silverwrist/util/StringUtils.java

@@ -313,6 +313,18 @@ public class StringUtils extends org.apache.commons.lang.StringUtils
 
   } // end split1
 
+  /**
+   * Returns the string equivalent of this object, or <CODE>null</CODE> if the specified object is <CODE>null</CODE>.
+   *
+   * @param obj The object to be converted to a string.
+   * @return See above.
+   */
+  public static final String stringize(Object obj)
+  {
+    return ((obj==null) ? null : obj.toString());
+
+  } // end stringize
+
   /*--------------------------------------------------------------------------------
    * Static initializer
    *--------------------------------------------------------------------------------

src/dynamo-framework/com/silverwrist/dynamo/except/ExternalException.java

@@ -179,6 +179,12 @@ public class ExternalException extends DynamoException
    *--------------------------------------------------------------------------------
    */
 
+  public String getMessageID()
+  {
+    return m_message_id;
+
+  } // end getMessageID
+
   /**
    * Sets a replacement parameter for the message.
    *

src/dynamo-framework/com/silverwrist/dynamo/except/ExternalRuntimeException.java

@@ -162,6 +162,12 @@ public class ExternalRuntimeException extends DynamoRuntimeException
    *--------------------------------------------------------------------------------
    */
 
+  public String getMessageID()
+  {
+    return m_message_id;
+
+  } // end getMessageID
+
   /**
    * Sets a replacement parameter for the message.
    *

src/venice-base/com/silverwrist/venice/VeniceNamespaces.java

@@ -70,4 +70,7 @@ public interface VeniceNamespaces
   public static final String SIDEBOX_CONTEXT_NAMESPACE =
       "http://www.silverwrist.com/NS/venice/2003/05/31/sidebox.context.ids";
 
+  public static final String COMMUNITY_NAMESPACE =
+      "http://www.silverwrist.com/NS/venice/2003/06/15/community";
+
 } // end interface VeniceNamespaces

src/venice-base/com/silverwrist/venice/script/LibraryMessages.properties

@@ -0,0 +1,19 @@
+# The contents of this file are subject to the Mozilla Public License Version 1.1
+# (the "License"); you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+# 
+# Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+# WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+# language governing rights and limitations under the License.
+# 
+# The Original Code is the Venice Web Communities System.
+# 
+# The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+# for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+# Copyright (C) 2003 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+# 
+# Contributor(s): 
+# ---------------------------------------------------------------------------------
+# This file has been localized for the en_US locale
+invalid.cid=The specified community ID "{0}" is not a valid integer.
+no.community=No community ID was specified for this operation.

src/venice-base/com/silverwrist/venice/script/LibraryVenice.java

@@ -25,7 +25,9 @@ import com.silverwrist.dynamo.except.*;
 import com.silverwrist.dynamo.iface.*;
 import com.silverwrist.dynamo.util.*;
 import com.silverwrist.venice.VeniceNamespaces;
+import com.silverwrist.venice.community.CommunityService;
 import com.silverwrist.venice.content.*;
+import com.silverwrist.venice.iface.*;
 import com.silverwrist.venice.session.SessionInfoParams;
 
 public class LibraryVenice
@@ -85,6 +87,37 @@ public class LibraryVenice
 
   } // end constructor
 
+  /*--------------------------------------------------------------------------------
+   * Internal operations
+   *--------------------------------------------------------------------------------
+   */
+
+  private final int getCommunityParameter(Request req) throws ValidationException
+  {
+    Map pmap = req.getParameters();
+    String cparam = StringUtils.stringize(pmap.get("cid"));
+    if (cparam==null)
+      cparam = StringUtils.stringize(pmap.get("cc"));
+    if (cparam==null)
+      cparam = StringUtils.stringize(pmap.get("sig"));
+    if (cparam==null)
+      return -1;  // completely not-specified
+
+    try
+    { // get the community ID
+      return Integer.parseInt(cparam.trim());
+
+    } // end try
+    catch (NumberFormatException e)
+    { // couldn't be parsed as an integer - damn!
+      ValidationException ve = new ValidationException(LibraryVenice.class,"LibraryMessages","invalid.cid",e);
+      ve.setParameter(0,cparam);
+      throw ve;
+
+    } // end catch
+
+  } // end getCommunityParameter
+
   /*--------------------------------------------------------------------------------
    * External operations
    *--------------------------------------------------------------------------------
@@ -101,6 +134,63 @@ public class LibraryVenice
 
   } // end dialogFrameTitle
 
+  public VeniceCommunity getCommunity(Request req) throws DatabaseException, ValidationException
+  {
+    VeniceCommunity rc = (VeniceCommunity)(PropertyUtils.getPropertyNoErr(req,VeniceNamespaces.COMMUNITY_NAMESPACE,
+									  "current"));
+    if (rc==null)
+    { // get the value of the community ID parameter
+      int cid = getCommunityParameter(req);
+      if (cid==-1)
+	throw new ValidationException(LibraryVenice.class,"LibraryMessages","no.community");
+
+      // use that to get the community
+      ObjectProvider op = (ObjectProvider)(req.queryService(ObjectProvider.class));
+      CommunityService csvc = (CommunityService)(op.getObject(Namespaces.DYNAMO_OBJECT_NAMESPACE,"communities"));
+      rc = csvc.getCommunity(cid);
+
+      // save community reference for next time
+      req.setObject(VeniceNamespaces.COMMUNITY_NAMESPACE,"current",rc);
+
+    } // end if
+
+    return rc;
+
+  } // end getCommunity
+
+  public VeniceCommunity getCommunity(Request req, VeniceCommunity def) throws DatabaseException, ValidationException
+  {
+    VeniceCommunity rc = (VeniceCommunity)(PropertyUtils.getPropertyNoErr(req,VeniceNamespaces.COMMUNITY_NAMESPACE,
+									  "current"));
+    if ((rc==null) && PropertyUtils.hasProperty(req,VeniceNamespaces.COMMUNITY_NAMESPACE,"is.null"))
+      return null;
+    if (rc==null)
+    { // get the value of the community ID parameter
+      int cid = getCommunityParameter(req);
+      if (cid!=-1)
+      { // use that to get the community
+	ObjectProvider op = (ObjectProvider)(req.queryService(ObjectProvider.class));
+	CommunityService csvc = (CommunityService)(op.getObject(Namespaces.DYNAMO_OBJECT_NAMESPACE,"communities"));
+	rc = csvc.getCommunity(cid);
+
+      } // end if
+      else
+      { // just employ the default community
+	rc = def;
+	if (rc==null)
+	  req.setObject(VeniceNamespaces.COMMUNITY_NAMESPACE,"is.null",Boolean.TRUE);
+
+      } // end else
+
+      if (rc!=null) // save community reference for next time
+	req.setObject(VeniceNamespaces.COMMUNITY_NAMESPACE,"current",rc);
+
+    } // end if
+
+    return rc;
+
+  } // end getCommunity
+
   public String getLocation(Request req)
   {
     return (String)(req.getObject(SessionInfoParams.REQ_NAMESPACE,SessionInfoParams.RATTR_LOCATION));

src/venice-base/com/silverwrist/venice/servlet/CommunityServlet.java

@@ -0,0 +1,63 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2003 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlet;
+
+import com.silverwrist.dynamo.HttpStatusCode;
+import com.silverwrist.dynamo.Namespaces;
+import com.silverwrist.dynamo.except.*;
+import com.silverwrist.dynamo.iface.*;
+import com.silverwrist.dynamo.servlet.ServletBase;
+import com.silverwrist.dynamo.util.*;
+import com.silverwrist.venice.VeniceNamespaces;
+import com.silverwrist.venice.community.CommunityService;
+import com.silverwrist.venice.iface.*;
+
+public class CommunityServlet extends ServletBase
+{
+  /*--------------------------------------------------------------------------------
+   * Abstract implementations from class ServletBase
+   *--------------------------------------------------------------------------------
+   */
+
+  protected Object process(Request r, Application app) throws Exception
+  {
+    // Look up the community.
+    ObjectProvider op = (ObjectProvider)(r.queryService(ObjectProvider.class));
+    CommunityService csvc = (CommunityService)(op.getObject(Namespaces.DYNAMO_OBJECT_NAMESPACE,"communities"));
+    VeniceCommunity comm = null;
+    try
+    { // get the community by its alias
+      comm = csvc.getCommunity(r.getExtraPath().substring(1));
+
+    } // end try
+    catch (DatabaseException e)
+    { // handle "not-found" errors in a special way
+      if (e.getMessageID().equals("cid.notFound"))
+	return new HttpErrorMessage(HttpStatusCode.E_NOTFOUND);
+      throw e;
+
+    } // end catch
+
+    // Execute the script that produces the value.
+    r.setObject(VeniceNamespaces.COMMUNITY_NAMESPACE,"current",comm);
+    ScriptExecute exec = (ScriptExecute)(r.queryService(ScriptExecute.class));
+    return exec.executeScript(r,"/util/comm/homepage.js");
+    
+  } // end process
+
+} // end class CommunityServlet