add ptql re java impl

bindings/java/src/jni/javasigar.c

@@ -1090,16 +1090,55 @@ JNIEXPORT jstring SIGAR_JNIx(getFQDN)
     return JENV->NewStringUTF(env, fqdn);
 }
 
+typedef struct {
+    JNIEnv *env;
+    jobject obj;
+    jclass cls;
+    jmethodID id;    
+} jni_ptql_re_data_t;
+
+static int jsigar_ptql_re_impl(void *data,
+                               char *haystack, char *needle)
+{
+    jni_ptql_re_data_t *re = (jni_ptql_re_data_t *)data;
+    JNIEnv *env = re->env;
+
+    if (!re->cls) {
+        re->cls = JENV->GetObjectClass(env, re->obj);
+        re->id =
+            JENV->GetStaticMethodID(env, re->cls, "re",
+                                    "(Ljava/lang/String;Ljava/lang/String;)"
+                                    "Z");
+        if (!re->id) {
+            return 0;
+        }
+    }
+
+    return JENV->CallStaticBooleanMethod(env, re->cls, re->id,  
+                                         JENV->NewStringUTF(env, haystack),
+                                         JENV->NewStringUTF(env, needle));
+}
+
 JNIEXPORT jboolean SIGAR_JNI(ptql_SigarProcessQuery_match)
 (JNIEnv *env, jobject obj, jobject sigar_obj, jlong pid)
 {
     int status;
+    jni_ptql_re_data_t re;
     sigar_ptql_query_t *query =
         (sigar_ptql_query_t *)sigar_get_pointer(env, obj);
     dSIGAR(JNI_FALSE);
 
+    re.env = env;
+    re.cls = NULL;
+    re.obj = obj;
+    re.id = NULL;
+
+    sigar_ptql_re_impl_set(sigar, &re, jsigar_ptql_re_impl);
+
     status = sigar_ptql_query_match(sigar, query, pid);
 
+    sigar_ptql_re_impl_set(sigar, NULL, NULL);
+
     if (status == SIGAR_OK) {
         return JNI_TRUE;
     }

bindings/java/src/org/hyperic/sigar/ptql/SigarProcessQuery.java

@@ -44,4 +44,14 @@ public class SigarProcessQuery implements ProcessQuery {
 
         return match(SigarProxyCache.getSigar(sigar), pid);
     }
+
+    static boolean re(String haystack, String needle) {
+        if (haystack == null) {
+            return false;
+        }
+        if (needle == null) {
+            return false;
+        }
+        return StringPattern.matches(haystack, needle);
+    }
 }

bindings/java/src/org/hyperic/sigar/test/TestPTQL.java

@@ -102,8 +102,14 @@ public class TestPTQL extends SigarTestCase {
                QueryLoadException,
                SigarException {
 
-        ProcessQuery query =
-            ProcessQueryFactory.getInstance(qs);
+        ProcessQuery query;
+        try {
+            query =
+                ProcessQueryFactory.getInstance(qs);
+        } catch (MalformedQueryException e) {
+            traceln("parse error: " + qs);
+            throw e;
+        }
 
         ProcessFinder finder = new ProcessFinder(proxy);