1 /*
   2  * Copyright (c) 2013, 2017, 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  */

 125             return Collections.emptyList();
 126         return Arrays.asList(text.split(sep));
 127     }
 128 
 129     /**
 130      * Checks if two lists of strings are equal.
 131      * @param l1 the first list of strings to be compared
 132      * @param l2 the second list of strings to be compared
 133      * @throws Error if the lists are not equal
 134      */
 135     public void checkEqual(List<String> l1, List<String> l2) throws Error {
 136         if (!Objects.equals(l1, l2)) {
 137             // l1 and l2 cannot both be null
 138             if (l1 == null)
 139                 throw new Error("comparison failed: l1 is null");
 140             if (l2 == null)
 141                 throw new Error("comparison failed: l2 is null");
 142             // report first difference
 143             for (int i = 0; i < Math.min(l1.size(), l2.size()); i++) {
 144                 String s1 = l1.get(i);
 145                 String s2 = l1.get(i);
 146                 if (!Objects.equals(s1, s2)) {
 147                     throw new Error("comparison failed, index " + i +
 148                             ", (" + s1 + ":" + s2 + ")");
 149                 }
 150             }
 151             throw new Error("comparison failed: l1.size=" + l1.size() + ", l2.size=" + l2.size());
 152         }
 153     }
 154 
 155     /**
 156      * Filters a list of strings according to the given regular expression.
 157      * @param regex the regular expression
 158      * @param lines the strings to be filtered
 159      * @return the strings matching the regular expression
 160      */
 161     public List<String> grep(String regex, List<String> lines) {
 162         return grep(Pattern.compile(regex), lines);
 163     }
 164 
 165     /**

   1 /*
   2  * Copyright (c) 2013, 2018, 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  */

 125             return Collections.emptyList();
 126         return Arrays.asList(text.split(sep));
 127     }
 128 
 129     /**
 130      * Checks if two lists of strings are equal.
 131      * @param l1 the first list of strings to be compared
 132      * @param l2 the second list of strings to be compared
 133      * @throws Error if the lists are not equal
 134      */
 135     public void checkEqual(List<String> l1, List<String> l2) throws Error {
 136         if (!Objects.equals(l1, l2)) {
 137             // l1 and l2 cannot both be null
 138             if (l1 == null)
 139                 throw new Error("comparison failed: l1 is null");
 140             if (l2 == null)
 141                 throw new Error("comparison failed: l2 is null");
 142             // report first difference
 143             for (int i = 0; i < Math.min(l1.size(), l2.size()); i++) {
 144                 String s1 = l1.get(i);
 145                 String s2 = l2.get(i);
 146                 if (!Objects.equals(s1, s2)) {
 147                     throw new Error("comparison failed, index " + i +
 148                             ", (" + s1 + ":" + s2 + ")");
 149                 }
 150             }
 151             throw new Error("comparison failed: l1.size=" + l1.size() + ", l2.size=" + l2.size());
 152         }
 153     }
 154 
 155     /**
 156      * Filters a list of strings according to the given regular expression.
 157      * @param regex the regular expression
 158      * @param lines the strings to be filtered
 159      * @return the strings matching the regular expression
 160      */
 161     public List<String> grep(String regex, List<String> lines) {
 162         return grep(Pattern.compile(regex), lines);
 163     }
 164 
 165     /**