add NetInfo getters

bindings/java/src/net/hyperic/sigar/Sigar.java

@@ -620,6 +620,15 @@ public class Sigar implements SigarProxy {
     public native Who[] getWhoList()
         throws SigarException;
 
+    /**
+     * Get general network info.
+     * @exception SigarException on failure.
+     */
+    public NetInfo getNetInfo()
+        throws SigarException {
+        return NetInfo.fetch(this);
+    }
+
     /**
      * Get network interface configuration info.
      * @exception SigarException on failure.

bindings/java/src/net/hyperic/sigar/SigarProxy.java

@@ -125,5 +125,7 @@ public interface SigarProxy {
 
     public Who[] getWhoList() throws SigarException;
 
+    public NetInfo getNetInfo() throws SigarException;
+
     public String getFQDN() throws SigarException;
 }

bindings/java/src/net/hyperic/sigar/SynchronizedSigar.java

@@ -347,6 +347,12 @@ public class SynchronizedSigar implements SigarProxy {
         return this.sigar.getWhoList();
     }
 
+    public synchronized NetInfo getNetInfo()
+        throws SigarException
+    {
+        return this.sigar.getNetInfo();
+    }
+
     public synchronized String getFQDN()
         throws SigarException
     {