| /* |
| * 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.maven.model.profile.activation; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.regex.Pattern; |
| |
| import org.apache.maven.model.Activation; |
| import org.apache.maven.model.Profile; |
| import org.apache.maven.model.building.ModelProblem.Severity; |
| import org.apache.maven.model.building.ModelProblem.Version; |
| import org.apache.maven.model.building.ModelProblemCollector; |
| import org.apache.maven.model.building.ModelProblemCollectorRequest; |
| import org.apache.maven.model.profile.ProfileActivationContext; |
| |
| /** |
| * Determines profile activation based on the version of the current Java runtime. |
| * |
| * @see Activation#getJdk() |
| */ |
| @Named("jdk-version") |
| @Singleton |
| public class JdkVersionProfileActivator implements ProfileActivator { |
| |
| private static final Pattern FILTER_1 = Pattern.compile("[^\\d._-]"); |
| private static final Pattern FILTER_2 = Pattern.compile("[._-]"); |
| private static final Pattern FILTER_3 = Pattern.compile("\\."); // used for split now |
| |
| @Override |
| public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) { |
| Activation activation = profile.getActivation(); |
| |
| if (activation == null) { |
| return false; |
| } |
| |
| String jdk = activation.getJdk(); |
| |
| if (jdk == null) { |
| return false; |
| } |
| |
| String version = context.getSystemProperties().get("java.version"); |
| |
| if (version == null || version.length() <= 0) { |
| problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE) |
| .setMessage("Failed to determine Java version for profile " + profile.getId()) |
| .setLocation(activation.getLocation("jdk"))); |
| return false; |
| } |
| return isJavaVersionCompatible(jdk, version); |
| } |
| |
| public static boolean isJavaVersionCompatible(String requiredJdkRange, String currentJavaVersion) { |
| if (requiredJdkRange.startsWith("!")) { |
| return !currentJavaVersion.startsWith(requiredJdkRange.substring(1)); |
| } else if (isRange(requiredJdkRange)) { |
| return isInRange(currentJavaVersion, getRange(requiredJdkRange)); |
| } else { |
| return currentJavaVersion.startsWith(requiredJdkRange); |
| } |
| } |
| |
| @Override |
| public boolean presentInConfig(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) { |
| Activation activation = profile.getActivation(); |
| |
| if (activation == null) { |
| return false; |
| } |
| |
| String jdk = activation.getJdk(); |
| |
| return jdk != null; |
| } |
| |
| private static boolean isInRange(String value, List<RangeValue> range) { |
| int leftRelation = getRelationOrder(value, range.get(0), true); |
| |
| if (leftRelation == 0) { |
| return true; |
| } |
| |
| if (leftRelation < 0) { |
| return false; |
| } |
| |
| return getRelationOrder(value, range.get(1), false) <= 0; |
| } |
| |
| private static int getRelationOrder(String value, RangeValue rangeValue, boolean isLeft) { |
| if (rangeValue.value.length() <= 0) { |
| return isLeft ? 1 : -1; |
| } |
| |
| value = FILTER_1.matcher(value).replaceAll(""); |
| |
| List<String> valueTokens = new ArrayList<>(Arrays.asList(FILTER_2.split(value))); |
| List<String> rangeValueTokens = new ArrayList<>(Arrays.asList(FILTER_3.split(rangeValue.value))); |
| |
| addZeroTokens(valueTokens, 3); |
| addZeroTokens(rangeValueTokens, 3); |
| |
| for (int i = 0; i < 3; i++) { |
| int x = Integer.parseInt(valueTokens.get(i)); |
| int y = Integer.parseInt(rangeValueTokens.get(i)); |
| if (x < y) { |
| return -1; |
| } else if (x > y) { |
| return 1; |
| } |
| } |
| if (!rangeValue.closed) { |
| return isLeft ? -1 : 1; |
| } |
| return 0; |
| } |
| |
| private static void addZeroTokens(List<String> tokens, int max) { |
| while (tokens.size() < max) { |
| tokens.add("0"); |
| } |
| } |
| |
| private static boolean isRange(String value) { |
| return value.startsWith("[") || value.startsWith("("); |
| } |
| |
| private static List<RangeValue> getRange(String range) { |
| List<RangeValue> ranges = new ArrayList<>(); |
| |
| for (String token : range.split(",")) { |
| if (token.startsWith("[")) { |
| ranges.add(new RangeValue(token.replace("[", ""), true)); |
| } else if (token.startsWith("(")) { |
| ranges.add(new RangeValue(token.replace("(", ""), false)); |
| } else if (token.endsWith("]")) { |
| ranges.add(new RangeValue(token.replace("]", ""), true)); |
| } else if (token.endsWith(")")) { |
| ranges.add(new RangeValue(token.replace(")", ""), false)); |
| } else if (token.length() <= 0) { |
| ranges.add(new RangeValue("", false)); |
| } |
| } |
| if (ranges.size() < 2) { |
| ranges.add(new RangeValue("99999999", false)); |
| } |
| return ranges; |
| } |
| |
| private static class RangeValue { |
| private String value; |
| |
| private boolean closed; |
| |
| RangeValue(String value, boolean closed) { |
| this.value = value.trim(); |
| this.closed = closed; |
| } |
| |
| @Override |
| public String toString() { |
| return value; |
| } |
| } |
| } |