HPCC4J-630 Ensure Filespray path constructed correctly

wsclient/src/main/java/org/hpccsystems/ws/client/HPCCFileSprayClient.java

@@ -1005,7 +1005,7 @@ public ProgressResponseWrapper sprayVariable(DelimitedDataOptions options, DropZ
 
         SprayVariable request = new SprayVariable();
         request.setSourceIP(targetDropZone.getNetAddress());
-        request.setSourcePath(Utils.ensureTrailingPathSlash(targetDropZone.getPath()) + sourceFileName);
+        request.setSourcePath(Utils.appendPathSections(targetDropZone.getPath(), sourceFileName));
         request.setDestGroup(destGroup);
         request.setDestLogicalName(targetFileName);
         request.setOverwrite(overwrite);
@@ -1161,7 +1161,7 @@ public ProgressResponseWrapper sprayXML(DropZoneWrapper targetDropZone, String s
 
         request.setDestGroup(destGroup);
         request.setSourceIP(targetDropZone.getNetAddress());
-        request.setSourcePath(Utils.ensureTrailingPathSlash(targetDropZone.getPath()) + sourceFileName);
+        request.setSourcePath(Utils.appendPathSections(targetDropZone.getPath(), sourceFileName));
         request.setDestLogicalName(targetFileName);
         request.setOverwrite(overwrite);
         request.setSourceFormat(format.getValue());
@@ -1317,7 +1317,7 @@ public ProgressResponseWrapper sprayFixed(DropZoneWrapper targetDropZone, String
         request.setDestGroup(destGroup);
         request.setSourceRecordSize(recordSize);
         request.setSourceIP(targetDropZone.getNetAddress());
-        request.setSourcePath(Utils.ensureTrailingPathSlash(targetDropZone.getPath()) + sourceFileName);
+        request.setSourcePath(Utils.appendPathSections(targetDropZone.getPath(), sourceFileName));
         request.setDestLogicalName(targetFileLabel);
         request.setOverwrite(overwrite);
         request.setPrefix(prefix);

wsclient/src/main/java/org/hpccsystems/ws/client/utils/Utils.java

@@ -1114,6 +1114,107 @@ public static String ensureTrailingPathSlash(String path, char slash)
         return path;
     }
 
+    /**
+     * Constructs new path based on provided pre and post path sections
+     * Ensures resulting path is properly delimited at the point of concatenation
+     * Uses Linux path style path separator
+     *
+     * @param prefixPath - the prefix path
+     * @param postfixPath - the postfix path
+     * @return - new path comprised of path prefix a linux style path separator and path postfix
+     */
+    public static String appendLinuxPathSections(String prefixPath, String postfixPath)
+    {
+        return appendPathSections(prefixPath, LINUX_SEP, postfixPath);
+    }
+
+    /**
+     * Constructs new path based on provided pre and post path sections
+     * Ensures resulting path is properly delimited at the point of concatenation
+     * Uses Windows path style path separator
+     *
+     * @param prefixPath - the prefix path
+     * @param postfixPath - the postfix path
+     * @return - new path comprised of path prefix a windows style path separator and path postfix
+     */
+    public static String appendWindowsPathSections(String prefixPath, String postfixPath)
+    {
+        return appendPathSections(prefixPath, WIN_SEP, postfixPath);
+    }
+
+    /**
+     * Constructs new path based on provided pre and post path sections
+     * Ensures resulting path is properly delimited at the point of concatenation
+     * Infers proper path separator on presence of Linux or Windows style path separator in prefix path
+     *
+     * @param prefixPath - the prefix path
+     * @param postfixPath - the postfix path
+     * @return - new path comprised of path prefix a path separator and path postfix
+     * @throws Exception - Invalid paths, indiscernible path style
+     */
+    public static String appendPathSections(String prefixPath, String postfixPath) throws Exception
+    {
+        if (prefixPath == null)
+            prefixPath = "";
+
+        if (postfixPath == null)
+            postfixPath = "";
+
+        if (prefixPath.length() == 0 && postfixPath.length() == 0)
+            return "";
+
+        try
+        {
+            char pathSep = inferPathSeperatorType(prefixPath.length() != 0 ? prefixPath : postfixPath);
+            return appendPathSections(prefixPath, pathSep, postfixPath);
+        }
+        catch (Exception e)
+        {
+            throw new Exception("Could not append path sections, ensure original path sections are valid and contain path seperator");
+        }
+    }
+
+    /**
+     * Constructs new path based on provided pre and post path sections
+     * Ensures resulting path is properly delimited at the point of concatenation
+     * Uses provided char as delimiter between pre and post path sections
+     *
+     * @param prefixPath - the prefix path
+     * @param slash - separator to use when appending path sections
+     * @param postfixPath - the postfix path
+     * @return - new path comprised of path prefix a path separator and path postfix
+     */
+    public static String appendPathSections(String prefixPath, char slash, String postfixPath)
+    {
+        prefixPath = trimTrailing(prefixPath);
+
+        if (prefixPath.length() == 0 || prefixPath.charAt(prefixPath.length()-1) != slash)
+            prefixPath = prefixPath + slash;
+
+        postfixPath = postfixPath.trim();
+
+        if (postfixPath.length() > 0 && postfixPath.charAt(0) == slash)
+            prefixPath = prefixPath + postfixPath.substring(1);
+        else
+            prefixPath = prefixPath + postfixPath;
+
+        return prefixPath;
+    }
+
+    /**
+     * Infers path style (linux/windows) based on presence of Linux separator
+     * @param path - the path
+     * @return - new path comprised of path prefix a path separator and path postfix
+     * @throws Exception - Invalid paths, indiscernible path style
+     */
+    public static char inferPathSeperatorType(String path) throws Exception
+    {
+        if (path.length() == 0)
+            throw new Exception("Zero len path detected!");
+
+        return path.contains(Character.toString(LINUX_SEP)) ? LINUX_SEP : WIN_SEP;
+    }
+
     /**
      * Removes trailing whitespace characters from a string.
      *

wsclient/src/test/java/org/hpccsystems/ws/client/utils/UtilsTest.java

@@ -8,6 +8,35 @@
 
 public class UtilsTest
 {
+
+    @Test
+    public void testappendPathSections() throws Exception
+    {
+        //appendWindowsPathSections
+        assertEquals(Character.toString(Utils.WIN_SEP), Utils.appendWindowsPathSections("", ""));
+        assertEquals("C:\\some\\path\\", Utils.appendWindowsPathSections("C:\\some\\ ", "  \\path\\"));
+        assertEquals("C:\\some\\path\\", Utils.appendWindowsPathSections("C:\\some", " path\\"));
+
+        //appendLinuxPathSections
+        assertEquals(Character.toString(Utils.LINUX_SEP), Utils.appendLinuxPathSections("", ""));
+        assertEquals("/root/path/relative/path", Utils.appendLinuxPathSections("/root/path ", "  relative/path"));
+        assertEquals("/root/path/relative/path", Utils.appendLinuxPathSections("/root/path/  ", " /relative/path"));
+        assertEquals("/relative/path", Utils.appendLinuxPathSections("/  ", "/relative/path"));
+        assertEquals("/relative/path", Utils.appendLinuxPathSections("/  ", "/relative/path"));
+        assertEquals("/relative/path", Utils.appendLinuxPathSections("/", " /relative/path"));
+
+        //appendPathSections
+        assertEquals("/relative/path", Utils.appendPathSections("/", " /relative/path"));
+        assertEquals("/root/path/relative/path", Utils.appendPathSections("/root/path ", "  relative/path"));
+        assertEquals("/root/path/relative/path", Utils.appendPathSections("/root/path/  ", " /relative/path"));
+        assertEquals("/relative/path", Utils.appendPathSections("/  ", "/relative/path"));
+        assertEquals("/relative/path", Utils.appendPathSections("/  ", "/relative/path"));
+        assertEquals("/relative/path", Utils.appendPathSections("/", " /relative/path"));
+
+        assertEquals("C:\\some\\path\\", Utils.appendPathSections("C:\\some\\ ", "  \\path\\"));
+        assertEquals("C:\\some\\path", Utils.appendPathSections("C:\\some", " path"));
+    }
+
     @Test
     public void testEnsureTrailingSlashTrailingWhiteSpace()
     {