Java tutorial
package org.apache.maven.profiles.activation; /* * 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. */ import org.apache.maven.artifact.versioning.DefaultArtifactVersion; import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException; import org.apache.maven.artifact.versioning.VersionRange; import org.apache.maven.model.Activation; import org.apache.maven.model.Profile; import org.codehaus.plexus.util.StringUtils; /** * JdkPrefixProfileActivator */ @Deprecated public class JdkPrefixProfileActivator extends DetectedProfileActivator { private static final String JDK_VERSION = System.getProperty("java.version"); public boolean isActive(Profile profile) throws ProfileActivationException { Activation activation = profile.getActivation(); String jdk = activation.getJdk(); // null case is covered by canDetermineActivation(), so we can do a straight startsWith() here. if (jdk.startsWith("[") || jdk.startsWith("(")) { try { return matchJdkVersionRange(jdk); } catch (InvalidVersionSpecificationException e) { throw new ProfileActivationException( "Invalid JDK version in profile '" + profile.getId() + "': " + e.getMessage()); } } boolean reverse = false; if (jdk.startsWith("!")) { reverse = true; jdk = jdk.substring(1); } if (getJdkVersion().startsWith(jdk)) { return !reverse; } else { return reverse; } } private boolean matchJdkVersionRange(String jdk) throws InvalidVersionSpecificationException { VersionRange jdkVersionRange = VersionRange.createFromVersionSpec(convertJdkToMavenVersion(jdk)); DefaultArtifactVersion jdkVersion = new DefaultArtifactVersion(convertJdkToMavenVersion(getJdkVersion())); return jdkVersionRange.containsVersion(jdkVersion); } private String convertJdkToMavenVersion(String jdk) { return jdk.replaceAll("_", "-"); } protected String getJdkVersion() { return JDK_VERSION; } protected boolean canDetectActivation(Profile profile) { return profile.getActivation() != null && StringUtils.isNotEmpty(profile.getActivation().getJdk()); } }