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Code Issues Packages Projects Releases Wiki Activity

cache for not found classes: bundles loading optimization

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This commit is contained in:
Dmitry Avdeev
2012-09-19 12:15:52 +04:00
parent 6e84781bba
commit 5f5fb62765
1 changed files with 6 additions and 0 deletions
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platform/util/src/com/intellij/util/lang/UrlClassLoader.java
+6
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@@ -17,6 +17,7 @@
package com.intellij.util.lang;
import com.intellij.openapi.diagnostic.Logger;
import gnu.trove.THashSet;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@@ -31,6 +32,7 @@ import java.util.*;
public class UrlClassLoader extends ClassLoader {
private final ClassPath myClassPath;
private final List<URL> myURLs;
private final Set<String> myNotFound = new THashSet<String>();
@NonNls static final String CLASS_EXTENSION = ".class";
protected static final boolean myDebugTime = false;
protected static final long NS_THRESHOLD = 10000000;
@@ -68,8 +70,12 @@ public class UrlClassLoader extends ClassLoader {
}
protected Class findClass(final String name) throws ClassNotFoundException {
if (myNotFound.contains(name)) {
throw new ClassNotFoundException(name);
}
Resource res = myClassPath.getResource(name.replace('.', '/').concat(CLASS_EXTENSION), false);
if (res == null) {
myNotFound.add(name);
throw new ClassNotFoundException(name);
}