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/* * Copyright 2002-2018 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 * * https://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.springframework.security.oauth2.core; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import org.springframework.util.Assert; /** * A result emitted from an {@link OAuth2TokenValidator} validation attempt * * @author Josh Cummings * @since 5.1 */ public final class OAuth2TokenValidatorResult { static final OAuth2TokenValidatorResult NO_ERRORS = new OAuth2TokenValidatorResult(Collections.emptyList()); private final Collection<OAuth2Error> errors; private OAuth2TokenValidatorResult(Collection<OAuth2Error> errors) { Assert.notNull(errors, "errors cannot be null"); this.errors = new ArrayList<>(errors); } /** * Say whether this result indicates success * * @return whether this result has errors */ public boolean hasErrors() { return !this.errors.isEmpty(); } /** * Return error details regarding the validation attempt * * @return the collection of results in this result, if any; returns an empty list otherwise */ public Collection<OAuth2Error> getErrors() { return this.errors; } /** * Construct a successful {@link OAuth2TokenValidatorResult} * * @return an {@link OAuth2TokenValidatorResult} with no errors */ public static OAuth2TokenValidatorResult success() { return NO_ERRORS; } /** * Construct a failure {@link OAuth2TokenValidatorResult} with the provided detail * * @param errors the list of errors * @return an {@link OAuth2TokenValidatorResult} with the errors specified */ public static OAuth2TokenValidatorResult failure(OAuth2Error... errors) { return failure(Arrays.asList(errors)); } /** * Construct a failure {@link OAuth2TokenValidatorResult} with the provided detail * * @param errors the list of errors * @return an {@link OAuth2TokenValidatorResult} with the errors specified */ public static OAuth2TokenValidatorResult failure(Collection<OAuth2Error> errors) { if (errors.isEmpty()) { return NO_ERRORS; } return new OAuth2TokenValidatorResult(errors); } }