java plugin: Implement `plugin_get_ds' aka. GetDS.

diff --git a/bindings/java/org/collectd/api/CollectdAPI.java b/bindings/java/org/collectd/api/CollectdAPI.java
index bd8d950..67c8e6a 100644 (file)
--- a/bindings/java/org/collectd/api/CollectdAPI.java
+++ b/bindings/java/org/collectd/api/CollectdAPI.java
@@ -21,11 +21,15 @@
 
 package org.collectd.api;
 
+import java.util.List;
 import org.collectd.protocol.ValueList;
+import org.collectd.protocol.DataSource;
 
 public class CollectdAPI
 {
   native public static int DispatchValues (ValueList vl);
+
+  native public static List<DataSource> GetDS (String type);
 } /* class CollectdAPI */
 
 /* vim: set sw=2 sts=2 et fdm=marker : */

diff --git a/src/java.c b/src/java.c
index a1e4971..779847e 100644 (file)
--- a/src/java.c
+++ b/src/java.c
@@ -1125,9 +1125,37 @@ static jint JNICALL cjni_api_dispatch_values (JNIEnv *jvm_env, /* {{{ */
   return (status);
 } /* }}} jint cjni_api_dispatch_values */
 
+static jobject JNICALL cjni_api_get_ds (JNIEnv *jvm_env, /* {{{ */
+    jobject this, jobject o_string_type)
+{
+  const char *ds_name;
+  const data_set_t *ds;
+  jobject o_dataset;
+
+  ds_name = (*jvm_env)->GetStringUTFChars (jvm_env, o_string_type, 0);
+  if (ds_name == NULL)
+  {
+    ERROR ("java plugin: cjni_api_get_ds: GetStringUTFChars failed.");
+    return (NULL);
+  }
+
+  ds = plugin_get_ds (ds_name);
+  DEBUG ("java plugin: cjni_api_get_ds: "
+      "plugin_get_ds (%s) = %p;", ds_name, (void *) ds);
+
+  (*jvm_env)->ReleaseStringUTFChars (jvm_env, o_string_type, ds_name);
+
+  if (ds == NULL)
+    return (NULL);
+
+  o_dataset = ctoj_data_set (jvm_env, ds);
+  return (o_dataset);
+} /* }}} jint cjni_api_get_ds */
+
 static JNINativeMethod jni_api_functions[] =
 {
-  { "DispatchValues", "(Lorg/collectd/protocol/ValueList;)I", cjni_api_dispatch_values }
+  { "DispatchValues", "(Lorg/collectd/protocol/ValueList;)I", cjni_api_dispatch_values },
+  { "GetDS",          "(Ljava/lang/String;)Ljava/util/List;", cjni_api_get_ds }
 };
 static size_t jni_api_functions_num = sizeof (jni_api_functions)
   / sizeof (jni_api_functions[0]);