/*
* Copyright 2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.api.internal.tasks.testing.logging;
import com.google.common.collect.Lists;
import org.gradle.api.specs.Spec;
import java.util.Arrays;
import java.util.List;
public class StackTraceFilter {
private final Spec<StackTraceElement> filterSpec;
public StackTraceFilter(Spec<StackTraceElement> filterSpec) {
this.filterSpec = filterSpec;
}
// stack traces are filtered in call order (from bottom to top)
public List<StackTraceElement> filter(List<StackTraceElement> stackTrace) {
List<StackTraceElement> filtered = Lists.newArrayList();
for (StackTraceElement element : Lists.reverse(stackTrace)) {
if (filterSpec.isSatisfiedBy(element)) {
filtered.add(element);
}
}
return Lists.reverse(filtered);
}
public List<StackTraceElement> filter(Throwable throwable) {
return filter(Arrays.asList(throwable.getStackTrace()));
}
}