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CapturingMatcher.java
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CapturingMatcher.java
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/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockito.internal.matchers;
import static org.mockito.internal.exceptions.Reporter.noArgumentValueWasCaptured;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.mockito.ArgumentMatcher;
@SuppressWarnings("unchecked")
public class CapturingMatcher<T>
implements ArgumentMatcher<T>, CapturesArguments, VarargMatcher, Serializable {
private final Class<? extends T> clazz;
private final List<Object> arguments = new ArrayList<>();
private final ReadWriteLock lock = new ReentrantReadWriteLock();
private final Lock readLock = lock.readLock();
private final Lock writeLock = lock.writeLock();
public CapturingMatcher(final Class<? extends T> clazz) {
this.clazz = Objects.requireNonNull(clazz);
}
@Override
public boolean matches(Object argument) {
return true;
}
@Override
public String toString() {
return "<Capturing argument>";
}
public T getLastValue() {
readLock.lock();
try {
if (arguments.isEmpty()) {
throw noArgumentValueWasCaptured();
}
return (T) arguments.get(arguments.size() - 1);
} finally {
readLock.unlock();
}
}
public List<T> getAllValues() {
readLock.lock();
try {
return new ArrayList<T>((List) arguments);
} finally {
readLock.unlock();
}
}
@Override
public void captureFrom(Object argument) {
writeLock.lock();
try {
this.arguments.add(argument);
} finally {
writeLock.unlock();
}
}
@Override
public Class<?> type() {
return clazz;
}
}