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authorSven Gothel <[email protected]>2023-01-23 10:17:54 +0100
committerSven Gothel <[email protected]>2023-01-23 10:17:54 +0100
commit7e869ec5dde4409bbd3b16253d7c9ad9f3a2d3e7 (patch)
tree4eaf75d67db83c4a98b376e0132d8674e8e3e463 /src/java/com/jogamp
parentba93184177af82276c3353ed9759dab8ba0421d7 (diff)
NativeLibrary: Add getSystemEnvLibraryPaths(), i.e. LD_LIBRARY_PATH, PATH, .. content
Diffstat (limited to 'src/java/com/jogamp')
-rw-r--r--src/java/com/jogamp/common/os/NativeLibrary.java35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/java/com/jogamp/common/os/NativeLibrary.java b/src/java/com/jogamp/common/os/NativeLibrary.java
index aa53502..c70c56c 100644
--- a/src/java/com/jogamp/common/os/NativeLibrary.java
+++ b/src/java/com/jogamp/common/os/NativeLibrary.java
@@ -41,10 +41,12 @@
package com.jogamp.common.os;
import java.io.File;
+import java.io.IOException;
import java.lang.reflect.Method;
import java.net.URISyntaxException;
import java.security.PrivilegedAction;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;
@@ -78,6 +80,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
private static final String[] prefixes;
private static final String[] suffixes;
private static final boolean isOSX;
+ private static String sys_env_lib_path_varname;
static {
// Instantiate dynamic linker implementation
@@ -85,6 +88,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
case WINDOWS:
prefixes = new String[] { "" };
suffixes = new String[] { ".dll" };
+ sys_env_lib_path_varname = "PATH";
isOSX = false;
break;
@@ -92,6 +96,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
case IOS:
prefixes = new String[] { "lib" };
suffixes = new String[] { ".dylib" };
+ sys_env_lib_path_varname = "DYLD_LIBRARY_PATH";
isOSX = true;
break;
@@ -105,6 +110,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
default:
prefixes = new String[] { "lib" };
suffixes = new String[] { ".so" };
+ sys_env_lib_path_varname = "LD_LIBRARY_PATH";
isOSX = false;
break;
}
@@ -138,6 +144,35 @@ public final class NativeLibrary implements DynamicLookupHelper {
return "NativeLibrary[" + dynLink.getClass().getSimpleName() + ", " + libraryPath + ", 0x" + Long.toHexString(libraryHandle) + ", global " + global + "]";
}
+ /**
+ * Returns the system's environment variable name used for the dynamic linker to resolve library locations, e.g.
+ * - Windows: PATH
+ * - MacOS: DYLD_LIBRARY_PATH
+ * - Unix: LD_LIBRARY_PATH
+ */
+ public static final String getSystemEnvLibraryPathVarname() { return sys_env_lib_path_varname; }
+
+ /**
+ * Returns a list of system paths, from the {@link #getSystemEnvLibraryPathVarname()} variable.
+ */
+ public static final List<String> getSystemEnvLibraryPaths() {
+ final String paths =
+ SecurityUtil.doPrivileged(new PrivilegedAction<String>() {
+ @Override
+ public String run() {
+ return System.getenv(getSystemEnvLibraryPathVarname());
+ }
+ });
+ final List<String> res = new ArrayList<String>();
+ if( null != paths && paths.length() > 0 ) {
+ final StringTokenizer st = new StringTokenizer(paths, File.pathSeparator);
+ while (st.hasMoreTokens()) {
+ res.add(st.nextToken());
+ }
+ }
+ return res;
+ }
+
/** Opens the given native library, assuming it has the same base
name on all platforms.
<p>