[libvirt] [libvirt-java] [PATCH] Avoid calling processError for functions that cannot fail

[Claudio Bley]

The libvirt functions virNodeDeviceNumOfCaps, virNodeDeviceGetParent
and virNodeDeviceListCaps never indicate an error because they do not
fail.
---
 src/main/java/org/libvirt/Device.java      | 19 ++++++-------------
 src/main/java/org/libvirt/jna/Libvirt.java |  2 +-
 2 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/src/main/java/org/libvirt/Device.java b/src/main/java/org/libvirt/Device.java
index fe49ce9..5492b69 100644
--- a/src/main/java/org/libvirt/Device.java
+++ b/src/main/java/org/libvirt/Device.java
@@ -98,23 +98,19 @@ public class Device {
     /**
      * Returns the number of capabilities which the instance has.
      *
-     * @throws LibvirtException
+     * @throws LibvirtException <em>never</em>
      */
     public int getNumberOfCapabilities() throws LibvirtException {
-        int num = libvirt.virNodeDeviceNumOfCaps(VDP);
-        processError();
-        return num;
+        return libvirt.virNodeDeviceNumOfCaps(VDP);
     }
 
     /**
      * Returns the parent of the device
      *
-     * @throws LibvirtException
+     * @throws LibvirtException <em>never</em>
      */
     public String getParent() throws LibvirtException {
-        String parent = libvirt.virNodeDeviceGetParent(VDP);
-        processError();
-        return parent;
+        return libvirt.virNodeDeviceGetParent(VDP);
     }
 
     /**
@@ -123,15 +119,13 @@ public class Device {
      * @throws LibvirtException
      */
     public String getXMLDescription() throws LibvirtException {
-        String desc = libvirt.virNodeDeviceGetXMLDesc(VDP);
-        processError();
-        return desc;
+        return processError(libvirt.virNodeDeviceGetXMLDesc(VDP));
     }
 
     /**
      * List the capabilities of the device
      *
-     * @throws LibvirtException
+     * @throws LibvirtException <em>never</em>
      */
     public String[] listCapabilities() throws LibvirtException {
         int maxCaps = getNumberOfCapabilities();
@@ -139,7 +133,6 @@ public class Device {
 
         if (maxCaps > 0) {
             libvirt.virNodeDeviceListCaps(VDP, names, maxCaps);
-            processError();
         }
         return names;
     }
diff --git a/src/main/java/org/libvirt/jna/Libvirt.java b/src/main/java/org/libvirt/jna/Libvirt.java
index b026b04..a2bf42e 100644
--- a/src/main/java/org/libvirt/jna/Libvirt.java
+++ b/src/main/java/org/libvirt/jna/Libvirt.java
@@ -281,7 +281,7 @@ public interface Libvirt extends Library {
     String virNodeDeviceGetName(DevicePointer virDevicePointer);
     String virNodeDeviceGetParent(DevicePointer virDevicePointer);
     int virNodeDeviceNumOfCaps(DevicePointer virDevicePointer);
-    int virNodeDeviceListCaps(DevicePointer virDevicePointer, String[] names, int maxNames);
+    int virNodeDeviceListCaps(DevicePointer virDevicePointer, Pointer[] names, int maxNames);
     String virNodeDeviceGetXMLDesc(DevicePointer virDevicePointer);
     int virNodeDeviceFree(DevicePointer virDevicePointer);
     int virNodeDeviceDettach(DevicePointer virDevicePointer);
-- 
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