8058316: lookupDefaultPrintService returns null on Solaris 11

Reviewed-by: prr, jdv

make/mapfiles/libawt/mapfile-mawt-vers

@@ -201,6 +201,7 @@ SUNWprivate_1.1 {
                 Java_sun_print_CUPSPrinter_initIDs;
                 Java_sun_print_CUPSPrinter_getCupsServer;
                 Java_sun_print_CUPSPrinter_getCupsPort;
+                Java_sun_print_CUPSPrinter_getCupsDefaultPrinter;
                 Java_sun_print_CUPSPrinter_canConnect;
                 Java_sun_print_CUPSPrinter_getMedia;
                 Java_sun_print_CUPSPrinter_getPageSizes;

make/mapfiles/libawt_headless/mapfile-vers

@@ -73,6 +73,7 @@ SUNWprivate_1.1 {
 		Java_sun_print_CUPSPrinter_initIDs;
 		Java_sun_print_CUPSPrinter_getCupsServer;
 		Java_sun_print_CUPSPrinter_getCupsPort;
+		Java_sun_print_CUPSPrinter_getCupsDefaultPrinter;
 		Java_sun_print_CUPSPrinter_canConnect;
 		Java_sun_print_CUPSPrinter_getMedia;
 		Java_sun_print_CUPSPrinter_getPageSizes;

make/mapfiles/libawt_xawt/mapfile-vers

@@ -439,6 +439,7 @@ SUNWprivate_1.1 {
 	Java_sun_print_CUPSPrinter_initIDs;
 	Java_sun_print_CUPSPrinter_getCupsServer;
 	Java_sun_print_CUPSPrinter_getCupsPort;
+	Java_sun_print_CUPSPrinter_getCupsDefaultPrinter;
 	Java_sun_print_CUPSPrinter_canConnect;
 	Java_sun_print_CUPSPrinter_getMedia;
 	Java_sun_print_CUPSPrinter_getPageSizes;

src/solaris/classes/sun/print/CUPSPrinter.java

@@ -51,6 +51,7 @@ public class CUPSPrinter  {
     private boolean initialized;
     private static native String getCupsServer();
     private static native int getCupsPort();
+    private static native String getCupsDefaultPrinter();
     private static native boolean canConnect(String server, int port);
     private static native boolean initIDs();
     // These functions need to be synchronized as
@@ -250,6 +251,15 @@ public class CUPSPrinter  {
      * Returns 2 values - index 0 is printer name, index 1 is the uri.
      */
     static String[] getDefaultPrinter() {
+        // Try to get user/lpoptions-defined printer name from CUPS
+        // if not user-set, then go for server default destination
+        String printerInfo[] = new String[2];
+        printerInfo[0] = getCupsDefaultPrinter();
+
+        if (printerInfo[0] != null) {
+            printerInfo[1] = null;
+            return printerInfo.clone();
+        }
         try {
             URL url = new URL("http", getServer(), getPort(), "");
             final HttpURLConnection urlConnection =
@@ -285,7 +295,7 @@ public class CUPSPrinter  {
                                         attCl)) {
 
                     HashMap defaultMap = null;
-                    String[] printerInfo = new String[2];
+
                     InputStream is = urlConnection.getInputStream();
                     HashMap[] responseMap = IPPPrintService.readIPPResponse(
                                          is);

src/solaris/native/sun/awt/CUPSfuncs.c

@@ -43,6 +43,10 @@ typedef int (*fn_ippPort)(void);
 typedef http_t* (*fn_httpConnect)(const char *, int);
 typedef void (*fn_httpClose)(http_t *);
 typedef char* (*fn_cupsGetPPD)(const char *);
+typedef cups_dest_t* (*fn_cupsGetDest)(const char *name,
+    const char *instance, int num_dests, cups_dest_t *dests);
+typedef int (*fn_cupsGetDests)(cups_dest_t **dests);
+typedef void (*fn_cupsFreeDests)(int num_dests, cups_dest_t *dests);
 typedef ppd_file_t* (*fn_ppdOpenFile)(const char *);
 typedef void (*fn_ppdClose)(ppd_file_t *);
 typedef ppd_option_t* (*fn_ppdFindOption)(ppd_file_t *, const char *);
@@ -53,6 +57,9 @@ fn_ippPort j2d_ippPort;
 fn_httpConnect j2d_httpConnect;
 fn_httpClose j2d_httpClose;
 fn_cupsGetPPD j2d_cupsGetPPD;
+fn_cupsGetDest j2d_cupsGetDest;
+fn_cupsGetDests j2d_cupsGetDests;
+fn_cupsFreeDests j2d_cupsFreeDests;
 fn_ppdOpenFile j2d_ppdOpenFile;
 fn_ppdClose j2d_ppdClose;
 fn_ppdFindOption j2d_ppdFindOption;
@@ -106,6 +113,24 @@ Java_sun_print_CUPSPrinter_initIDs(JNIEnv *env,
     return JNI_FALSE;
   }
 
+  j2d_cupsGetDest = (fn_cupsGetDest)dlsym(handle, "cupsGetDest");
+  if (j2d_cupsGetDest == NULL) {
+    dlclose(handle);
+    return JNI_FALSE;
+  }
+
+  j2d_cupsGetDests = (fn_cupsGetDests)dlsym(handle, "cupsGetDests");
+  if (j2d_cupsGetDests == NULL) {
+    dlclose(handle);
+    return JNI_FALSE;
+  }
+
+  j2d_cupsFreeDests = (fn_cupsFreeDests)dlsym(handle, "cupsFreeDests");
+  if (j2d_cupsFreeDests == NULL) {
+    dlclose(handle);
+    return JNI_FALSE;
+  }
+
   j2d_ppdOpenFile = (fn_ppdOpenFile)dlsym(handle, "ppdOpenFile");
   if (j2d_ppdOpenFile == NULL) {
     dlclose(handle);
@@ -169,6 +194,30 @@ Java_sun_print_CUPSPrinter_getCupsPort(JNIEnv *env,
 }
 
 
+/*
+ * Gets CUPS default printer name.
+ *
+ */
+JNIEXPORT jstring JNICALL
+Java_sun_print_CUPSPrinter_getCupsDefaultPrinter(JNIEnv *env,
+                                                  jobject printObj)
+{
+    jstring cDefPrinter = NULL;
+    cups_dest_t *dests;
+    char *defaultPrinter = NULL;
+    int num_dests = j2d_cupsGetDests(&dests);
+    int i = 0;
+    cups_dest_t *dest = j2d_cupsGetDest(NULL, NULL, num_dests, dests);
+    if (dest != NULL) {
+        defaultPrinter = dest->name;
+        if (defaultPrinter != NULL) {
+            cDefPrinter = JNU_NewStringPlatform(env, defaultPrinter);
+        }
+    }
+    j2d_cupsFreeDests(num_dests, dests);
+    return cDefPrinter;
+}
+
 /*
  * Checks if connection can be made to the server.
  *