Java tutorial
/** * hub-detect * * Copyright (C) 2019 Black Duck Software, Inc. * http://www.blackducksoftware.com/ * * 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 com.blackducksoftware.integration.hub.detect.workflow.detector; import java.util.HashSet; import java.util.Set; import java.util.stream.Collectors; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.blackducksoftware.integration.hub.detect.detector.DetectorType; public class RequiredDetectorChecker { private final Logger logger = LoggerFactory.getLogger(this.getClass()); public class RequiredDetectorResult { public RequiredDetectorResult(final Set<DetectorType> missingDetectors) { this.missingDetectors = missingDetectors; } public boolean wereDetectorsMissing() { return missingDetectors.size() > 0; } public Set<DetectorType> getMissingDetectors() { return missingDetectors; } private final Set<DetectorType> missingDetectors; } public RequiredDetectorResult checkForMissingDetectors(final String requiredDetectorsString, final Set<DetectorType> applicableDetectors) { final Set<DetectorType> required = parseRequiredDetectors(requiredDetectorsString); final Set<DetectorType> missingDetectors = required.stream().filter(it -> !applicableDetectors.contains(it)) .collect(Collectors.toSet()); return new RequiredDetectorResult(missingDetectors); } private Set<DetectorType> parseRequiredDetectors(final String rawRequiredTypeString) { final Set<DetectorType> required = new HashSet<>(); final String[] rawRequiredTypes = rawRequiredTypeString.split(","); for (final String rawType : rawRequiredTypes) { if (StringUtils.isBlank(rawType)) continue; try { final DetectorType type = DetectorType.valueOf(rawType.toUpperCase()); required.add(type); } catch (IllegalArgumentException e) { logger.error("Unable to parse detector type: " + rawType); } } return required; } }