add DiskUsage

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

@@ -654,6 +654,19 @@ public class Sigar implements SigarProxy {
         return FileSystemUsage.fetch(this, name);
     }
 
+    /**
+     * Get disk usage.
+     * @param name Name of disk
+     * @exception SigarException on failure.
+     */
+    public DiskUsage getDiskUsage(String name)
+        throws SigarException {
+        if (name == null) {
+            throw new SigarException("name cannot be null");
+        }
+        return DiskUsage.fetch(this, name);
+    }
+
     /**
      * Get file system usage of a mounted directory.
      * This method checks that the given directory is mounted.

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

@@ -117,6 +117,9 @@ public interface SigarProxy {
     public FileSystemUsage getFileSystemUsage(String name)
         throws SigarException;
 
+    public DiskUsage getDiskUsage(String name)
+        throws SigarException;
+
     public FileInfo getFileInfo(String name) throws SigarException;
 
     public FileInfo getLinkInfo(String name) throws SigarException;