Java tutorial
/* * 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.hyracks.maven.license; import static org.apache.hyracks.maven.license.LicenseUtil.toGav; import java.util.Properties; import java.util.stream.Stream; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.tuple.Pair; import org.apache.hyracks.util.StringUtil; import org.apache.maven.project.MavenProject; enum ProjectFlag { IGNORE_MISSING_EMBEDDED_LICENSE, IGNORE_MISSING_EMBEDDED_NOTICE, IGNORE_LICENSE_OVERRIDE, IGNORE_NOTICE_OVERRIDE, ALTERNATE_LICENSE_FILE, ALTERNATE_NOTICE_FILE; String propName() { return "license." + StringUtil.toCamelCase(name()); } void visit(MavenProject depObj, Properties properties, LicenseMojo licenseMojo) { String value = properties.getProperty(propName()); if (value == null) { return; } switch (this) { case IGNORE_MISSING_EMBEDDED_LICENSE: case IGNORE_MISSING_EMBEDDED_NOTICE: case IGNORE_LICENSE_OVERRIDE: case IGNORE_NOTICE_OVERRIDE: if (Stream.of(StringUtils.split(value, ",")).anyMatch(depObj.getVersion()::equals)) { licenseMojo.getProjectFlags().put(Pair.of(toGav(depObj), this), Boolean.TRUE); } else { licenseMojo.getLog().info(propName() + " defined on versions that *do not* match: " + value + " for " + toGav(depObj)); } break; case ALTERNATE_LICENSE_FILE: case ALTERNATE_NOTICE_FILE: for (String spec : StringUtils.split(value, ",")) { String[] specSplit = StringUtils.split(spec, ":"); if (specSplit.length != 2) { throw new IllegalArgumentException(spec); } if (specSplit[0].equals(depObj.getVersion())) { licenseMojo.getProjectFlags().put(Pair.of(toGav(depObj), this), specSplit[1]); } } break; default: throw new IllegalStateException("NYI: " + this); } } }