[lttng-dev] [UST PATCH] Build a jar for the Java side of the JNI interface

[Mathieu Desnoyers]

With this, is the java application visible from lttng-tools before the
first JNI call is done ?

* Alexandre Montplaisir (alexandre.montplaisir at polymtl.ca) wrote:
> Signed-off-by: Alexandre Montplaisir <alexandre.montplaisir at polymtl.ca>
> ---
>  liblttng-ust-java/.gitignore    |    1 +
>  liblttng-ust-java/LTTngUst.java |    2 +-
>  liblttng-ust-java/Makefile.am   |    8 ++++++--
>  liblttng-ust-java/README        |    5 +++++
>  4 files changed, 13 insertions(+), 3 deletions(-)
> 
> diff --git a/liblttng-ust-java/.gitignore b/liblttng-ust-java/.gitignore
> index 677373e..e07ee50 100644
> --- a/liblttng-ust-java/.gitignore
> +++ b/liblttng-ust-java/.gitignore
> @@ -1,2 +1,3 @@
>  org_lttng_ust_LTTngUst.h
>  org/
> +liblttng-ust-java.jar
> diff --git a/liblttng-ust-java/LTTngUst.java b/liblttng-ust-java/LTTngUst.java
> index d3f1eda..68ed120 100644
> --- a/liblttng-ust-java/LTTngUst.java
> +++ b/liblttng-ust-java/LTTngUst.java
> @@ -18,7 +18,7 @@
>  
>  package org.lttng.ust;
>  
> -class LTTngUst {
> +public class LTTngUst {
>  	public static native void tracepointString(String name, String arg);
>  	static {
>  		System.loadLibrary("lttng-ust-java");
> diff --git a/liblttng-ust-java/Makefile.am b/liblttng-ust-java/Makefile.am
> index 9e01e04..7e1834a 100644
> --- a/liblttng-ust-java/Makefile.am
> +++ b/liblttng-ust-java/Makefile.am
> @@ -7,10 +7,11 @@ liblttng_ust_java_la_SOURCES = LTTngUst.c org_lttng_ust_LTTngUst.h lttng_ust_jav
>  dist_noinst_DATA = LTTngUst.java
>  liblttng_ust_java_la_LIBADD = -lc -L$(top_builddir)/liblttng-ust/.libs -llttng-ust
>  
> -all: LTTngUst.class org_lttng_ust_LTTngUst.h
> +all: LTTngUst.class org_lttng_ust_LTTngUst.h liblttng-ust-java.jar
>  
>  clean-local:
> -	rm  org_lttng_ust_LTTngUst.h
> +	rm org_lttng_ust_LTTngUst.h
> +	rm liblttng-ust-java.jar
>  	rm -rf org/
>  
>  LTTngUst.class: LTTngUst.java
> @@ -19,4 +20,7 @@ LTTngUst.class: LTTngUst.java
>  org_lttng_ust_LTTngUst.h: LTTngUst.class
>  	javah org.lttng.ust.LTTngUst
>  
> +liblttng-ust-java.jar: LTTngUst.class
> +	jar cf liblttng-ust-java.jar org/*
> +
>  endif
> diff --git a/liblttng-ust-java/README b/liblttng-ust-java/README
> index 37834e6..4b4d2c6 100644
> --- a/liblttng-ust-java/README
> +++ b/liblttng-ust-java/README
> @@ -10,3 +10,8 @@ dependency: openjdk-6-jdk
>  
>  dependency: gcj-4.4-jdk
>  ./configure --with-java-jdk=/usr/lib/jvm/java-gcj --with-jni-interface
> +
> +
> +After building, you can use the liblttng-ust-java.jar file in a Java project.
> +It requires the liblttng-ust-java.so* files (which get installed when doing
> +`make install') so make sure those are in the linker's library path.
> -- 
> 1.7.9.1
> 
> 
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com