snaploader-examples: TestCrossPlatformClassPathLoading test case for loading from classpath

Author: pavl-x86-machine

snaploader-examples/src/main/java/electrostatic4j/snaploader/examples/TestCrossPlatformClassPathLoading.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2023-2025, The Electrostatic-Sandbox Distributed Simulation Framework, jSnapLoader
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'Electrostatic-Sandbox' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package electrostatic4j.snaploader.examples;
+
+import electrostatic4j.snaploader.LibraryInfo;
+import electrostatic4j.snaploader.LoadingCriterion;
+import electrostatic4j.snaploader.NativeBinaryLoader;
+import electrostatic4j.snaploader.filesystem.DirectoryPath;
+import electrostatic4j.snaploader.platform.NativeDynamicLibrary;
+import electrostatic4j.snaploader.platform.util.DefaultDynamicLibraries;
+import electrostatic4j.snaploader.platform.util.NativeVariant;
+import electrostatic4j.snaploader.platform.util.PlatformPredicate;
+
+/**
+ * Examines the cross-platform capabilities of jSnapLoader.
+ *
+ * @author pavl_g.
+ */
+public class TestCrossPlatformClassPathLoading {
+    public static void main(String[] args) throws Exception {
+
+        final LibraryInfo libraryInfo = new LibraryInfo(new DirectoryPath("lib/independent"), "jmealloc", DirectoryPath.USER_DIR);
+
+        final NativeDynamicLibrary[] libraries = new NativeDynamicLibrary[] {
+            DefaultDynamicLibraries.ANDROID_ALL,
+            DefaultDynamicLibraries.LINUX_X86,
+            DefaultDynamicLibraries.LINUX_X86_64,
+            new NativeDynamicLibrary("lib/windows/x86", "libjmealloc.dll", PlatformPredicate.WIN_X86),
+            new NativeDynamicLibrary("lib/windows/x86-64", "libjmealloc.dll", PlatformPredicate.WIN_X86_64),
+            DefaultDynamicLibraries.MAC_X86,
+            DefaultDynamicLibraries.MAC_X86_64,
+        };
+
+        final NativeBinaryLoader loader = new NativeBinaryLoader(libraryInfo);
+
+        loader.registerNativeLibraries(libraries).initPlatformLibrary();
+        loader.setLoggingEnabled(true);
+        loader.setRetryWithCleanExtraction(true);
+        /* Native dynamic library properties */
+        printDetails(loader);
+        loader.loadLibrary(LoadingCriterion.INCREMENTAL_LOADING);
+    }
+
+    public static void printDetails(NativeBinaryLoader loader) {
+        System.out.println("--------------------------------------------------------------");
+        System.out.println("OS: " + NativeVariant.OS_NAME.getProperty());
+        System.out.println("ARCH: " + NativeVariant.OS_ARCH.getProperty());
+        System.out.println("VM: " + NativeVariant.JVM.getProperty());
+        System.out.println("--------------------------------------------------------------");
+        System.out.println("Jar Path: " + loader.getNativeDynamicLibrary().getJarPath());
+        System.out.println("Library Directory: " + loader.getNativeDynamicLibrary().getPlatformDirectory());
+        System.out.println("Compressed library path: " + loader.getNativeDynamicLibrary().getCompressedLibrary());
+        System.out.println("Extracted library absolute path: " + loader.getNativeDynamicLibrary().getExtractedLibrary());
+        System.out.println("Is Extracted: " + loader.getNativeDynamicLibrary().isExtracted());
+        System.out.println("--------------------------------------------------------------");
+    }
+}