/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockito.internal.exceptions.stacktrace;
import org.mockito.exceptions.stacktrace.
StackTraceCleaner;
import org.mockito.internal.configuration.plugins.
Plugins;
import java.io.
Serializable;
import java.util.
ArrayList;
import java.util.
List;
public class
StackTraceFilter implements
Serializable {
static final long
serialVersionUID = -5499819791513105700L;
private static final
StackTraceCleaner CLEANER =
Plugins.
getStackTraceCleanerProvider().
getStackTraceCleaner(new
DefaultStackTraceCleaner());
/**
* Example how the filter works (+/- means good/bad):
* [a+, b+, c-, d+, e+, f-, g+] -> [a+, b+, d+, e+, g+]
* Basically removes all bad from the middle.
* <strike>If any good are in the middle of bad those are also removed.</strike>
*/
public
StackTraceElement[]
filter(
StackTraceElement[]
target, boolean
keepTop) {
//TODO: profile
//TODO: investigate "keepTop" commit history - no effect!
final
List<
StackTraceElement>
filtered = new
ArrayList<
StackTraceElement>();
for (
StackTraceElement element :
target) {
if (
CLEANER.
isIn(
element)) {
filtered.
add(
element);
}
}
StackTraceElement[]
result = new
StackTraceElement[
filtered.
size()];
return
filtered.
toArray(
result);
}
}