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EA-39014 (fix Snappy loading under JRockit)

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This commit is contained in:
Roman Shevchenko
2012-10-16 14:58:02 +02:00
parent c8383de82f
commit a90c925e21
1 changed files with 37 additions and 0 deletions
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platform/platform-impl/src/com/intellij/idea/StartupUtil.java
+37
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@@ -23,6 +23,7 @@ import com.intellij.openapi.application.ex.ApplicationInfoEx;
import com.intellij.openapi.application.impl.ApplicationInfoImpl;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.io.win32.IdeaWin32;
import com.intellij.util.Consumer;
import com.intellij.util.SystemProperties;
@@ -33,6 +34,8 @@ import org.xerial.snappy.SnappyLoader;
import javax.swing.*;
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
@@ -200,6 +203,7 @@ public class StartupUtil {
}
try {
final long t = System.currentTimeMillis();
loadSnappyForJRockit();
log.info("Snappy library loaded (" + Snappy.getNativeLibraryVersion() + ") in " + (System.currentTimeMillis() - t) + " ms");
}
catch (Throwable t) {
@@ -221,4 +225,37 @@ public class StartupUtil {
}
}
}
// todo[r.sh] drop after migration on Java 7
private static void loadSnappyForJRockit() throws Exception {
String vmName = System.getProperty("java.vm.name");
if (vmName == null || !vmName.toLowerCase().contains("jrockit")) {
return;
}
byte[] bytes;
InputStream in = StartupUtil.class.getResourceAsStream("/org/xerial/snappy/SnappyNativeLoader.bytecode");
try {
bytes = FileUtil.loadBytes(in);
}
finally {
in.close();
}
ClassLoader classLoader = StartupUtil.class.getClassLoader();
Method defineClass = ClassLoader.class.getDeclaredMethod("defineClass", String.class, byte[].class, int.class, int.class);
defineClass.setAccessible(true);
Class<?> loaderClass = (Class<?>)defineClass.invoke(classLoader, "org.xerial.snappy.SnappyNativeLoader", bytes, 0, bytes.length);
loaderClass = classLoader.loadClass(loaderClass.getName());
String[] classes = {"org.xerial.snappy.SnappyNativeAPI", "org.xerial.snappy.SnappyNative", "org.xerial.snappy.SnappyErrorCode"};
for (String aClass : classes) {
classLoader.loadClass(aClass);
}
Method loadNativeLibrary = SnappyLoader.class.getDeclaredMethod("loadNativeLibrary", Class.class);
loadNativeLibrary.setAccessible(true);
loadNativeLibrary.invoke(null, loaderClass);
}
}