From 3b5c3a85f02c4d935073704e13e82e75f3b0a4b3 Mon Sep 17 00:00:00 2001
From: Doug MacEachern <dougm@hyperic.com>
Date: Wed, 26 Mar 2008 16:44:48 +0000
Subject: [PATCH] add some reusable List functions

---
 bindings/java/src/jni/javasigar.c | 29 +++++++++++++++++++++++++++++
 bindings/java/src/jni/javasigar.h | 19 +++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/bindings/java/src/jni/javasigar.c b/bindings/java/src/jni/javasigar.c
index dbffa522..c2b8bf82 100644
--- a/bindings/java/src/jni/javasigar.c
+++ b/bindings/java/src/jni/javasigar.c
@@ -218,6 +218,35 @@ static void sigar_set_pointer(JNIEnv *env, jobject obj, const void *ptr) {
 #endif
 }
 
+int jsigar_init_list(JNIEnv *env, jsigar_list_t *obj)
+{
+    jclass listclass =
+        JENV->FindClass(env, "java/util/ArrayList");
+    jmethodID listid =
+        JENV->GetMethodID(env, listclass, "<init>", "()V");
+    jmethodID addid =
+        JENV->GetMethodID(env, listclass, "add",
+                          "(Ljava/lang/Object;)"
+                          "Z");
+
+    obj->env = env;
+    obj->obj = JENV->NewObject(env, listclass, listid);
+    obj->id = addid;
+
+    return SIGAR_OK;
+}
+
+int jsigar_list_add(void *data, char *value, int len)
+{
+    jsigar_list_t *obj = (jsigar_list_t *)data;
+    JNIEnv *env = obj->env;
+
+    JENV->CallBooleanMethod(env, obj->obj, obj->id,  
+                            JENV->NewStringUTF(env, value));
+
+    return SIGAR_OK;
+}
+
 JNIEXPORT jstring SIGAR_JNIx(formatSize)
 (JNIEnv *env, jclass cls, jlong size)
 {
diff --git a/bindings/java/src/jni/javasigar.h b/bindings/java/src/jni/javasigar.h
index 0fc9ff28..021cc9f3 100644
--- a/bindings/java/src/jni/javasigar.h
+++ b/bindings/java/src/jni/javasigar.h
@@ -16,6 +16,8 @@
  * USA.
  */
 
+#include <jni.h>
+
 #define JENV (*env)
 
 #define SIGAR_PACKAGE "org/hyperic/sigar/"
@@ -30,3 +32,20 @@
 #define SIGAR_CLASS_SIG(name) \
     "L" SIGAR_PACKAGE name ";"
 
+typedef struct {
+    JNIEnv *env;
+    jobject obj;
+    jmethodID id;
+} jsigar_list_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int jsigar_init_list(JNIEnv *env, jsigar_list_t *obj);
+
+int jsigar_list_add(void *data, char *value, int len);
+
+#ifdef __cplusplus
+}
+#endif