https://blog.margrop.net/en/tag/jnilib/ Recent content in Jnilib on Margrop Blog Hugo -- gohugo.io en-US Sat, 27 Mar 2021 16:37:31 +0800 https://blog.margrop.net/en/post/java-spring-boot-jni-java-native-interface-library-loader/ Sat, 27 Mar 2021 16:37:31 +0800 https://blog.margrop.net/en/post/java-spring-boot-jni-java-native-interface-library-loader/ <p>Because Java needs to stay cross-platform, I wrote a cross-platform JNI native library loader.</p> <h1 id="simple-implementation">Simple Implementation</h1> <ol> <li>Determine whether the current system is <code>Windows</code>, <code>Linux</code>, or <code>MacOS</code> from the <code>os.name</code> environment property.</li> <li>If it is <code>Linux</code>, further determine whether it is <code>CentOS</code> or <code>Debian</code>.</li> <li>Read the library files inside the jar package.</li> <li>Filter the matching platform library files by file suffix: <code>dll</code>, <code>so</code>, <code>jnilib</code>, and <code>dylib</code>.</li> <li>Copy the current platform&rsquo;s library file to the system temporary directory <code>java.io.tmpdir</code>.</li> <li>Load the library using <code>System.load</code>.</li> </ol>