From 07155ef3b0d56a7d6a984ecd10e28084be056ef9 Mon Sep 17 00:00:00 2001
From: low012 <low012@6c8d7289-2bf4-0310-a012-ef5d649a1542>
Date: Thu, 5 Oct 2006 21:32:07 +0000
Subject: [PATCH] *) added a few constraints to prevent exceptions when
 clicking on stop or pause on IndexCleaner_p.html when no thread is started

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2710 6c8d7289-2bf4-0310-a012-ef5d649a1542
---
 htroot/IndexCleaner_p.java | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/htroot/IndexCleaner_p.java b/htroot/IndexCleaner_p.java
index 638c5298c..fc36ed171 100755
--- a/htroot/IndexCleaner_p.java
+++ b/htroot/IndexCleaner_p.java
@@ -53,7 +53,7 @@ import de.anomic.server.serverSwitch;
 public class IndexCleaner_p {
     private static plasmaCrawlLURL.Cleaner urldbCleanerThread;
     private static plasmaWordIndex.Cleaner indexCleanerThread;
-    
+
     public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
         serverObjects prop = new serverObjects();
         plasmaSwitchboard sb = (plasmaSwitchboard) env;
@@ -69,10 +69,10 @@ public class IndexCleaner_p {
                     urldbCleanerThread.endPause();
                 }
             }
-            else if (post.get("action").equals("ustop")) {
+            else if (post.get("action").equals("ustop") && (urldbCleanerThread!=null)) {
                 urldbCleanerThread.abort();
             }
-            else if (post.get("action").equals("upause")) {
+            else if (post.get("action").equals("upause") && (urldbCleanerThread!=null)) {
                 urldbCleanerThread.pause();
             }
             else if (post.get("action").equals("rstart")) {
@@ -84,17 +84,17 @@ public class IndexCleaner_p {
                     indexCleanerThread.endPause();
                 }
             }
-            else if (post.get("action").equals("rstop")) {
+            else if (post.get("action").equals("rstop") && (indexCleanerThread!=null)) {
                 indexCleanerThread.abort();
             }
-            else if (post.get("action").equals("rpause")) {
+            else if (post.get("action").equals("rpause") && (indexCleanerThread!=null)) {
                 indexCleanerThread.pause();
             }
             prop.put("LOCATION","");
             return prop;
         }
         else {
-            prop.put("bla", "post==null");            
+            prop.put("bla", "post==null");
         }
         if (urldbCleanerThread!=null) {
             prop.put("urldb", 1);
@@ -119,7 +119,7 @@ public class IndexCleaner_p {
             prop.put("rwidb_wordHashNow", indexCleanerThread.wordHashNow);
             prop.put("rwidb_lastWordHash", indexCleanerThread.lastWordHash);
             prop.put("rwidb_lastDeletionCounter", indexCleanerThread.lastDeletionCounter);
-            
+
         }
         return prop;
     }