Patch for Zabbix2.0.4 Java Gateway to monitoring java.lang.Double type attributes.

zabbix2.0.4_jmx_double_type.patch

--- zabbix-2.0.4/src/zabbix_java/src/com/zabbix/gateway/JMXItemChecker.java  2012-12-08 20:09:15.000000000 +0900
+++ zabbix-2.0.4_new/src/zabbix_java/src/com/zabbix/gateway/JMXItemChecker.java	2013-01-23 15:24:07.000000000 +0900
@@ -21,6 +21,7 @@
 
 import java.util.HashMap;
 import java.util.Vector;
+import java.math.BigDecimal;
 
 import javax.management.MBeanAttributeInfo;
 import javax.management.MBeanInfo;
@@ -205,10 +206,18 @@
 
 		if (fieldNames.equals(""))
 		{
-			if (isPrimitiveAttributeType(dataObject.getClass()))
-				return dataObject.toString();
-			else
+			if (isPrimitiveAttributeType(dataObject.getClass())) {
+				logger.trace("-------->>>> found dataObject value of a primitive type: {}", dataObject.toString());
+				try {
+					return new BigDecimal(dataObject.toString()).toPlainString();
+				} catch(Exception e) {
+					logger.trace("found dataObject value of a primitive type: {}", dataObject.toString());
+					return dataObject.toString();
+				}
+			}
+			else {
 				throw new ZabbixException("data object type is not primitive: %s" + dataObject.getClass());
+			}
 		}
 
 		if (dataObject instanceof CompositeData)
@@ -253,7 +262,13 @@
 			counter.put("{#JMXOBJ}", name);
 			counter.put("{#JMXATTR}", attrPath);
 			counter.put("{#JMXTYPE}", attribute.getClass().getName());
-			counter.put("{#JMXVALUE}", attribute.toString());
+			logger.trace("-------->>>> found attribute value of a primitive type: {}", attribute.toString());
+			try {
+				counter.put("{#JMXVALUE}", new BigDecimal(attribute.toString()).toPlainString());
+			} catch(Exception e) {
+				counter.put("{#JMXVALUE}", attribute.toString());
+			}
+			logger.trace("-------->>>> put attribute value: {}", counter.get("{#JMXVALUE}"));
 
 			counters.put(counter);
 		}