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Diffstat (limited to 'src/main/java/org/onap/dcae/common/publishing/VavrUtils.java')
-rw-r--r-- | src/main/java/org/onap/dcae/common/publishing/VavrUtils.java | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/common/publishing/VavrUtils.java b/src/main/java/org/onap/dcae/common/publishing/VavrUtils.java new file mode 100644 index 00000000..e1eae247 --- /dev/null +++ b/src/main/java/org/onap/dcae/common/publishing/VavrUtils.java @@ -0,0 +1,62 @@ +/*- + * ============LICENSE_START======================================================= + * org.onap.dcaegen2.collectors.ves + * ================================================================================ + * Copyright (C) 2018 Nokia. All rights reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.common.publishing; + +import io.vavr.API; +import io.vavr.API.Match.Case; +import java.util.function.Consumer; +import org.slf4j.Logger; + +import static io.vavr.API.$; + +/** + * @author Pawel Szalapski (pawel.szalapski@nokia.com) + */ +public final class VavrUtils { + + private VavrUtils() { + // utils aggregator + } + + /** + * Shortcut for 'string interpolation' + */ + public static String f(String msg, Object... args) { + return String.format(msg, args); + } + + /** + * Wrap failure with a more descriptive message of what has failed and chain original cause. Used to provide a + * context for errors instead of raw exception. + */ + public static Case<Throwable, Throwable> enhanceError(String msg) { + return API.Case($(), e -> new RuntimeException(msg, e)); + } + + public static Case<Throwable, Throwable> enhanceError(String pattern, Object... arguments) { + return API.Case($(), e -> new RuntimeException(f(pattern, arguments), e)); + } + + public static Consumer<Throwable> logError(Logger withLogger) { + return e -> withLogger.error(e.getMessage(), e); + } + + +} |