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commit 013d7a5d91e05b69934041ce8614b3b865e71d6f Author: Gautier DI FOLCO <[email protected]> AuthorDate: Wed May 27 14:07:06 2020 +0200 JAMES-3167 Add MailboxReactorUtils --- .../james/mailbox/store/MailboxReactorUtils.java | 52 +++++++++++++++++++++ .../mailbox/store/MailboxReactorUtilsTest.java | 54 ++++++++++++++++++++++ 2 files changed, 106 insertions(+) diff --git a/mailbox/store/src/main/java/org/apache/james/mailbox/store/MailboxReactorUtils.java b/mailbox/store/src/main/java/org/apache/james/mailbox/store/MailboxReactorUtils.java new file mode 100644 index 0000000..c8e3cd3 --- /dev/null +++ b/mailbox/store/src/main/java/org/apache/james/mailbox/store/MailboxReactorUtils.java @@ -0,0 +1,52 @@ +/**************************************************************** + * Licensed to the Apache Software Foundation (ASF) under one * + * or more contributor license agreements. See the NOTICE file * + * distributed with this work for additional information * + * regarding copyright ownership. The ASF licenses this file * + * to you 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.apache.james.mailbox.store; + +import java.util.Optional; + +import org.apache.james.mailbox.exception.MailboxException; + +import reactor.core.publisher.Mono; + +public abstract class MailboxReactorUtils { + public static <T> T block(Mono<T> publisher) throws MailboxException { + try { + return publisher.block(); + } catch (RuntimeException e) { + if (e.getCause() instanceof MailboxException) { + throw (MailboxException) e.getCause(); + } + + throw e; + } + } + + public static <T> Optional<T> blockOptional(Mono<T> publisher) throws MailboxException { + try { + return publisher.blockOptional(); + } catch (RuntimeException e) { + if (e.getCause() instanceof MailboxException) { + throw (MailboxException) e.getCause(); + } + + throw e; + } + } +} diff --git a/mailbox/store/src/test/java/org/apache/james/mailbox/store/MailboxReactorUtilsTest.java b/mailbox/store/src/test/java/org/apache/james/mailbox/store/MailboxReactorUtilsTest.java new file mode 100644 index 0000000..caf5e2f --- /dev/null +++ b/mailbox/store/src/test/java/org/apache/james/mailbox/store/MailboxReactorUtilsTest.java @@ -0,0 +1,54 @@ +/**************************************************************** + * Licensed to the Apache Software Foundation (ASF) under one * + * or more contributor license agreements. See the NOTICE file * + * distributed with this work for additional information * + * regarding copyright ownership. The ASF licenses this file * + * to you 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.apache.james.mailbox.store; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; + +import org.apache.james.mailbox.exception.MailboxException; +import org.junit.jupiter.api.Test; + +import reactor.core.publisher.Mono; + +class MailboxReactorUtilsTest { + @Test + void blockJustShouldReturnTheValue() throws Exception { + assertThat(MailboxReactorUtils.block(Mono.just(42))) + .isEqualTo(42); + } + + @Test + void blockEmptyShouldReturnNull() throws Exception { + assertThat((Integer) MailboxReactorUtils.block(Mono.empty())) + .isNull(); + } + + @Test + void blockErrorMailboxExceptionShouldThrowMailboxException() { + assertThatThrownBy(() -> MailboxReactorUtils.block(Mono.error(new MailboxException()))) + .isInstanceOf(MailboxException.class); + } + + @Test + void blockErrorRuntimeExceptionShouldThrowRuntimeException() { + assertThatThrownBy(() -> MailboxReactorUtils.block(Mono.error(new RuntimeException()))) + .isInstanceOf(RuntimeException.class); + } +} \ No newline at end of file --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
