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Condition.java
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104 lines (89 loc) · 2.91 KB
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/**
* 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.
*
* Copyright 2012-2014 the original author or authors.
*/
package org.assertj.core.api;
import static org.assertj.core.api.DescriptionValidations.checkIsNotNull;
import org.assertj.core.description.Description;
import org.assertj.core.util.VisibleForTesting;
/**
* A condition to be met by an object.
* @param <T> the type of object this condition accepts.
*
* @author Yvonne Wang
* @author Alex Ruiz
*/
public abstract class Condition<T> implements Descriptable<Condition<T>> {
@VisibleForTesting
Description description;
/**
* Creates a new </code>{@link Condition}</code>. The default description of this condition will the simple name of the
* condition's class.
*/
public Condition() {
as(getClass().getSimpleName());
}
/**
* Creates a new </code>{@link Condition}</code>.
* @param description the description of this condition.
* @throws NullPointerException if the given description is {@code null}.
*/
public Condition(String description) {
as(description);
}
/**
* Creates a new </code>{@link Condition}</code>.
* @param description the description of this condition.
* @throws NullPointerException if the given description is {@code null}.
*/
public Condition(Description description) {
as(description);
}
/** {@inheritDoc} */
@Override
public Condition<T> describedAs(String newDescription, Object... args) {
return as(newDescription, args);
}
/** {@inheritDoc} */
@Override
public Condition<T> as(String newDescription, Object... args) {
description = checkIsNotNull(newDescription, args);
return this;
}
/** {@inheritDoc} */
@Override
public Condition<T> describedAs(Description newDescription) {
return as(newDescription);
}
/** {@inheritDoc} */
@Override
public Condition<T> as(Description newDescription) {
description = checkIsNotNull(newDescription);
return this;
}
/**
* Returns the description of this condition.
* @return the description of this condition.
*/
public Description description() {
return description;
}
/**
* Verifies that the given value satisfies this condition.
* @param value the value to verify.
* @return {@code true} if the given value satisfies this condition; {@code false} otherwise.
*/
public abstract boolean matches(T value);
@Override
public String toString() {
return description.value();
}
}