1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package com.oracle.java.testlibrary;
  25 
  26 import java.io.File;
  27 import java.io.FileReader;
  28 import java.util.Properties;
  29 
  30 public class BuildHelper {
  31 
  32     /**
  33      * Commercial builds should have the BUILD_TYPE set to commercial
  34      * within the release file, found at the root of the JDK.
  35      */
  36     public static boolean isCommercialBuild() throws Exception {
  37         String buildType = getReleaseProperty("BUILD_TYPE","notFound");
  38         return buildType.equals("commercial");
  39     }
  40 
  41 
  42     /**
  43      * Return the value for property key, or defaultValue if no property not found.
  44      * If present, double quotes are trimmed.
  45      */
  46     public static String getReleaseProperty(String key, String defaultValue) throws Exception {
  47         Properties properties = getReleaseProperties();
  48         String value = properties.getProperty(key, defaultValue);
  49         return trimDoubleQuotes(value);
  50     }
  51 
  52     /**
  53      * Return the value for property key, or null if no property not found.
  54      * If present, double quotes are trimmed.
  55      */
  56     public static String getReleaseProperty(String key) throws Exception {
  57         return getReleaseProperty(key, null);
  58     }
  59 
  60     /**
  61      * Get properties from the release file
  62      */
  63     public static Properties getReleaseProperties() throws Exception {
  64         Properties properties = new Properties();
  65         properties.load(new FileReader(getReleaseFile()));
  66         return properties;
  67     }
  68 
  69     /**
  70      * Every JDK has a release file in its root.
  71      * @return A handler to the release file.
  72      */
  73     public static File getReleaseFile() throws Exception {
  74         String jdkPath = getJDKRoot();
  75         File releaseFile = new File(jdkPath,"release");
  76         if ( ! releaseFile.canRead() ) {
  77             throw new Exception("Release file is not readable, or it is absent: " +
  78                     releaseFile.getCanonicalPath());
  79         }
  80         return releaseFile;
  81     }
  82 
  83     /**
  84      * Returns path to the JDK under test.
  85      * This path is obtained through the test.jdk property, usually set by JTREG.
  86      */
  87     public static String getJDKRoot() {
  88         String jdkPath = System.getProperty("test.jdk");
  89         if (jdkPath == null) {
  90             throw new RuntimeException("System property 'test.jdk' not set. This property is normally set by jtreg. "
  91                     + "When running test separately, set this property using '-Dtest.jdk=/path/to/jdk'.");
  92         }
  93         return jdkPath;
  94     }
  95 
  96     /**
  97      * Trim double quotes from the beginning and the end of the given string.
  98      * @param original string to trim.
  99      * @return a new trimmed string.
 100      */
 101     public static String trimDoubleQuotes(String original) {
 102         if (original == null) { return null; }
 103         String trimmed = original.replaceAll("^\"+|\"+$", "");
 104         return trimmed;
 105     }
 106 }