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/*
* Copyright (c) 2010-2015 Balabit
* Copyright (c) 2010-2015 Viktor Juhasz <viktor.juhasz@balabit.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "java-logmsg-proxy.h"
#include "java_machine.h"
#include "messages.h"
#include "str-utils.h"
#include "logmsg/logmsg.h"
#define LOG_MESSAGE "org.syslog_ng.LogMessage"
struct _JavaLogMessageProxy
{
JavaVMSingleton *java_machine;
jclass loaded_class;
jmethodID mi_constructor;
};
JNIEXPORT void JNICALL
Java_org_syslog_1ng_LogMessage_unref(JNIEnv *env, jobject obj, jlong handle)
{
LogMessage *msg = (LogMessage *)handle;
log_msg_unref(msg);
}
JNIEXPORT jstring JNICALL
Java_org_syslog_1ng_LogMessage_getValue(JNIEnv *env, jobject obj, jlong handle, jstring name)
{
LogMessage *msg = (LogMessage *)handle;
const gchar *value;
gssize value_len;
const char *name_str = (*env)->GetStringUTFChars(env, name, NULL);
if (name_str == NULL)
{
return NULL;
}
value = log_msg_get_value_by_name(msg, name_str, &value_len);
(*env)->ReleaseStringUTFChars(env, name, name_str);
if (value)
{
APPEND_ZERO(value, value, value_len);
return (*env)->NewStringUTF(env, value);
}
else
{
return NULL;
}
}
static gboolean
__load_object(JavaLogMessageProxy *self)
{
JNIEnv *java_env = java_machine_get_env(self->java_machine);
self->loaded_class = java_machine_load_class(self->java_machine, LOG_MESSAGE, NULL);
if (!self->loaded_class)
{
msg_error("Can't find class",
evt_tag_str("class_name", LOG_MESSAGE));
return FALSE;
}
self->mi_constructor = CALL_JAVA_FUNCTION(java_env, GetMethodID, self->loaded_class, "<init>", "(J)V");
if (!self->mi_constructor)
{
msg_error("Can't find default constructor for class",
evt_tag_str("class_name", LOG_MESSAGE));
return FALSE;
}
return TRUE;
}
jobject
java_log_message_proxy_create_java_object(JavaLogMessageProxy *self, LogMessage *msg)
{
JNIEnv *java_env = java_machine_get_env(self->java_machine);
jobject jmsg = CALL_JAVA_FUNCTION(java_env, NewObject, self->loaded_class, self->mi_constructor, log_msg_ref(msg));
if (!jmsg)
{
msg_error("Can't create object",
evt_tag_str("class_name", LOG_MESSAGE));
}
return jmsg;
}
void
java_log_message_proxy_free(JavaLogMessageProxy *self)
{
JNIEnv *env = java_machine_get_env(self->java_machine);
if (self->loaded_class)
{
CALL_JAVA_FUNCTION(env, DeleteLocalRef, self->loaded_class);
}
java_machine_unref(self->java_machine);
g_free(self);
}
JavaLogMessageProxy *
java_log_message_proxy_new(void)
{
JavaLogMessageProxy *self = g_new0(JavaLogMessageProxy, 1);
self->java_machine = java_machine_ref();
if (!__load_object(self))
{
goto error;
}
return self;
error:
java_log_message_proxy_free(self);
return NULL;
}
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