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Fixes issue 20

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org.xerial.snappy.enable.bundled.libs is used with the default value = true.
This commit is contained in:
Taro L. Saito 2011-08-16 11:16:21 +09:00
parent c73d2e104b
commit 6540318a12
2 changed files with 33 additions and 33 deletions
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36
src/main/java/org/xerial/snappy/SnappyLoader.java
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@ -82,13 +82,13 @@ import java.util.Properties;
*/ */
public class SnappyLoader public class SnappyLoader
{ {
public static final String KEY_SNAPPY_LIB_PATH = "org.xerial.snappy.lib.path"; public static final String KEY_SNAPPY_LIB_PATH = "org.xerial.snappy.lib.path";
public static final String KEY_SNAPPY_LIB_NAME = "org.xerial.snappy.lib.name"; public static final String KEY_SNAPPY_LIB_NAME = "org.xerial.snappy.lib.name";
public static final String KEY_SNAPPY_TEMPDIR = "org.xerial.snappy.tempdir"; public static final String KEY_SNAPPY_TEMPDIR = "org.xerial.snappy.tempdir";
public static final String KEY_SNAPPY_DISABLE_BUNDLED_LIBS = "org.xerial.snappy.disable.bundled.libs"; public static final String KEY_SNAPPY_ENABLE_BUNDLED_LIBS = "org.xerial.snappy.enable.bundled.libs";
private static boolean isLoaded = false; private static boolean isLoaded = false;
private static SnappyNativeAPI api = null; private static SnappyNativeAPI api = null;
private static ClassLoader getRootClassLoader() { private static ClassLoader getRootClassLoader() {
ClassLoader cl = Thread.currentThread().getContextClassLoader(); ClassLoader cl = Thread.currentThread().getContextClassLoader();
@ -364,7 +364,7 @@ public class SnappyLoader
String snappyNativeLibraryPath = System.getProperty(KEY_SNAPPY_LIB_PATH); String snappyNativeLibraryPath = System.getProperty(KEY_SNAPPY_LIB_PATH);
String snappyNativeLibraryName = System.getProperty(KEY_SNAPPY_LIB_NAME); String snappyNativeLibraryName = System.getProperty(KEY_SNAPPY_LIB_NAME);
if (System.getProperty(KEY_SNAPPY_DISABLE_BUNDLED_LIBS, "false").equals("false")) { if (System.getProperty(KEY_SNAPPY_ENABLE_BUNDLED_LIBS, "true").equals("true")) {
// Resolve the library file name with a suffix (e.g., dll, .so, etc.) // Resolve the library file name with a suffix (e.g., dll, .so, etc.)
if (snappyNativeLibraryName == null) if (snappyNativeLibraryName == null)
snappyNativeLibraryName = System.mapLibraryName("snappyjava"); snappyNativeLibraryName = System.mapLibraryName("snappyjava");
@ -374,23 +374,23 @@ public class SnappyLoader
if (nativeLib.exists()) if (nativeLib.exists())
return nativeLib; return nativeLib;
} }
}
{ {
// Load an OS-dependent native library inside a jar file // Load an OS-dependent native library inside a jar file
snappyNativeLibraryPath = "/org/xerial/snappy/native/" + OSInfo.getNativeLibFolderPathForCurrentOS(); snappyNativeLibraryPath = "/org/xerial/snappy/native/" + OSInfo.getNativeLibFolderPathForCurrentOS();
if (SnappyLoader.class.getResource(snappyNativeLibraryPath + "/" + snappyNativeLibraryName) != null) { if (SnappyLoader.class.getResource(snappyNativeLibraryPath + "/" + snappyNativeLibraryName) != null) {
// Temporary library folder. Use the value of org.xerial.snappy.tempdir or java.io.tmpdir // Temporary library folder. Use the value of org.xerial.snappy.tempdir or java.io.tmpdir
String tempFolder = new File(System.getProperty(KEY_SNAPPY_TEMPDIR, String tempFolder = new File(System.getProperty(KEY_SNAPPY_TEMPDIR,
System.getProperty("java.io.tmpdir"))).getAbsolutePath(); System.getProperty("java.io.tmpdir"))).getAbsolutePath();
// Extract and load a native library inside the jar file // Extract and load a native library inside the jar file
return extractLibraryFile(snappyNativeLibraryPath, snappyNativeLibraryName, tempFolder); return extractLibraryFile(snappyNativeLibraryPath, snappyNativeLibraryName, tempFolder);
}
} }
} }
return null; return null; // Use a pre-installed snappyjava
} }
public static String getVersion() { public static String getVersion() {

30
src/test/java/org/xerial/snappy/SnappyLoaderTest.java
View File

@ -95,24 +95,18 @@ public class SnappyLoaderTest
ClassRealm L1 = cw.newRealm("l1", URLClassLoader.newInstance(new URL[] { classPath }, parent)); ClassRealm L1 = cw.newRealm("l1", URLClassLoader.newInstance(new URL[] { classPath }, parent));
ClassRealm L2 = cw.newRealm("l2", URLClassLoader.newInstance(new URL[] { classPath }, parent)); ClassRealm L2 = cw.newRealm("l2", URLClassLoader.newInstance(new URL[] { classPath }, parent));
// Actually load Snappy.class in a class loader // Actually load Snappy.class in a child class loader
try {
Class< ? > S1 = L1.loadClass("org.xerial.snappy.Snappy");
Method m = S1.getMethod("getNativeLibraryVersion");
String v = (String) m.invoke(null);
// Load Snappy.class from another class loader Class< ? > S1 = L1.loadClass("org.xerial.snappy.Snappy");
Class< ? > S2 = L2.loadClass("org.xerial.snappy.Snappy"); Method m = S1.getMethod("getNativeLibraryVersion");
Method m2 = S2.getMethod("getNativeLibraryVersion"); String v = (String) m.invoke(null);
String v2 = (String) m2.invoke(null);
assertEquals(v, v2); // Load Snappy.class from another child class loader
} Class< ? > S2 = L2.loadClass("org.xerial.snappy.Snappy");
catch (Exception e) { Method m2 = S2.getMethod("getNativeLibraryVersion");
e.printStackTrace(); String v2 = (String) m2.invoke(null);
throw e;
}
assertEquals(v, v2);
} }
@Test @Test
@ -120,4 +114,10 @@ public class SnappyLoaderTest
SnappyLoader.load(); SnappyLoader.load();
_logger.debug(Snappy.getNativeLibraryVersion()); _logger.debug(Snappy.getNativeLibraryVersion());
} }
public static void main(String[] args) {
// Test for loading native library specified in -Djava.library.path
System.setProperty(SnappyLoader.KEY_SNAPPY_ENABLE_BUNDLED_LIBS, "false");
_logger.debug(Snappy.getNativeLibraryVersion());
}
} }