| /* |
| * Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.nio.file.Path; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| /* |
| * It represents a JDK with some specific attributes. |
| * If two JdkInfo instances have the same version value, the instances are |
| * regarded as equivalent. |
| */ |
| public class JdkInfo { |
| |
| public static final JdkInfo DEFAULT = new JdkInfo(Jdk.DEFAULT.getPath()); |
| |
| public final Path javaPath; |
| |
| public final String version; |
| public final String supportedProtocols; |
| public final String enabledProtocols; |
| public final String supportedCipherSuites; |
| public final String enabledCipherSuites; |
| public final boolean supportsSNI; |
| public final boolean supportsALPN; |
| |
| public JdkInfo(Path javaPath) { |
| this.javaPath = javaPath; |
| |
| String output = jdkAttributes(javaPath); |
| if (output == null || output.trim().isEmpty()) { |
| throw new RuntimeException( |
| "Cannot determine the JDK attributes: " + javaPath); |
| } |
| |
| String[] attributes = Utilities.split(output, Utilities.PARAM_DELIMITER); |
| version = attributes[0].replaceAll(".*=", ""); |
| supportedProtocols = attributes[1].replaceAll(".*=", ""); |
| enabledProtocols = attributes[2].replaceAll(".*=", ""); |
| supportedCipherSuites = attributes[3].replaceAll(".*=", ""); |
| enabledCipherSuites = attributes[4].replaceAll(".*=", ""); |
| supportsSNI = Boolean.valueOf(attributes[5].replaceAll(".*=", "")); |
| supportsALPN = Boolean.valueOf(attributes[6].replaceAll(".*=", "")); |
| } |
| |
| // Determines the specific attributes for the specified JDK. |
| private static String jdkAttributes(Path javaPath) { |
| Map<String, String> props = new LinkedHashMap<>(); |
| props.put("java.security.properties", Utils.SEC_PROPS_FILE); |
| return ProcUtils.java(javaPath, JdkInfoUtils.class, props).getOutput(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return version == null ? 0 : version.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| JdkInfo other = (JdkInfo) obj; |
| if (version == null) { |
| if (other.version != null) { |
| return false; |
| } |
| } else if (!version.equals(other.version)) { |
| return false; |
| } |
| return true; |
| } |
| |
| public boolean supportsProtocol(Protocol protocol) { |
| return supportedProtocols.contains(protocol.name); |
| } |
| |
| public boolean enablesProtocol(Protocol protocol) { |
| return enabledProtocols.contains(protocol.name); |
| } |
| |
| public boolean supportsCipherSuite(CipherSuite cipherSuite) { |
| return supportedCipherSuites.contains(cipherSuite.name()); |
| } |
| |
| public boolean enablesCipherSuite(CipherSuite cipherSuite) { |
| return enabledCipherSuites.contains(cipherSuite.name()); |
| } |
| } |