com.oracle.bedrock.matchers.ThrowableMessageMatcher Maven / Gradle / Ivy
/*
* File: ThrowableMessageMatcher.java
*
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* the Common Development and Distribution License 1.0 (the "License").
*
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*
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*
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* file and include the License file LICENSE.txt.
*
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*/
package com.oracle.bedrock.matchers;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
/**
* A {@link TypeSafeMatcher} for the content of a {@link Throwable#getMessage()}.
*
* Copyright (c) 2016. All Rights Reserved. Oracle Corporation.
* Oracle is a registered trademark of Oracle Corporation and/or its affiliates.
*
* @author Brian Oliver
*/
public class ThrowableMessageMatcher extends TypeSafeMatcher
{
/**
* The {@link Matcher} for the {@link Throwable} message.
*/
private Matcher matcher;
/**
* Constructs a {@link ThrowableMessageMatcher} given a {@link Matcher} for the
* {@link Throwable#getMessage()} method.
*
* @param matcher the message {@link Matcher}
*/
private ThrowableMessageMatcher(Matcher matcher)
{
this.matcher = matcher;
}
/**
* Constructs a {@link ThrowableMessageMatcher} for a {@link Throwable#getMessage()}
* matching the specified {@link Matcher}.
*
* @param matcher the message {@link Matcher}
* @param the type of {@link Throwable}
*
* @return a {@link ThrowableMessageMatcher}
*/
public static ThrowableMessageMatcher message(Matcher matcher)
{
return new ThrowableMessageMatcher<>(matcher);
}
@Override
protected boolean matchesSafely(T t)
{
return matcher.matches(t.getMessage());
}
@Override
public void describeTo(Description description)
{
description.appendText("throwable message matches ");
matcher.describeTo(description);
}
}