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Diffstat (limited to 'src/main/java/org/onap/dcae/controller/Conversions.java')
-rw-r--r-- | src/main/java/org/onap/dcae/controller/Conversions.java | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/controller/Conversions.java b/src/main/java/org/onap/dcae/controller/Conversions.java new file mode 100644 index 00000000..09a9a43c --- /dev/null +++ b/src/main/java/org/onap/dcae/controller/Conversions.java @@ -0,0 +1,53 @@ +/*- + * ============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.controller; + +import static org.onap.dcae.commonFunction.event.publishing.VavrUtils.enhanceError; + +import io.vavr.API; +import io.vavr.collection.List; +import io.vavr.control.Try; +import java.util.Iterator; +import java.util.Spliterator; +import java.util.Spliterators; +import java.util.stream.StreamSupport; +import org.json.JSONArray; +import org.json.JSONObject; + +/** + * @author Pawel Szalapski (pawel.szalapski@nokia.com) + */ +interface Conversions { + + static Try<JSONObject> toJson(String strBody) { + return API.Try(() -> new JSONObject(strBody)) + .mapFailure(enhanceError("Value '%s' is not a valid JSON document", strBody)); + } + + static Try<JSONArray> toJsonArray(String strBody) { + return API.Try(() -> new JSONArray(strBody)) + .mapFailure(enhanceError("Value '%s' is not a valid JSON array", strBody)); + } + + static <T> List<T> toList(Iterator<T> iterator) { + return List.ofAll(StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, Spliterator.ORDERED), false)); + } + +} |