1 /*
   2  * Copyright (c) 2007, 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. Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package org.jemmy.input;
  26 
  27 import java.util.regex.Matcher;
  28 import java.util.regex.Pattern;
  29 import org.jemmy.JemmyException;
  30 import org.jemmy.interfaces.CaretOwner;
  31 import org.jemmy.interfaces.Text;
  32 
  33 /**
  34  *
  35  * @author shura
  36  */
  37 public class RegexCaretDirection extends CaretImpl.DirectionToPosition {
  38 
  39     public static final String REGEX_FLAGS = "";
  40 
  41     String regex;
  42     boolean front;
  43     int index;
  44     Text text;
  45     int flags;
  46 
  47     public RegexCaretDirection(Text text, CaretOwner caretOwner, String regex, int flags, boolean front, int index) {
  48         super(caretOwner, 0);
  49         this.text = text;
  50         this.regex = regex;
  51         this.flags = flags;
  52         this.front = front;
  53         this.index = index;
  54         if (index < 0) {
  55             throw new JemmyException("Index must be >=0 but is " + index, regex);
  56         }
  57     }
  58 
  59     @Override
  60     protected double position() {
  61         return position(text, regex, flags, front, index);
  62     }
  63 
  64     public static int position(Text text, String regex, int flags, boolean front, int index) {
  65         Matcher matcher = Pattern.compile(regex, flags).matcher(text.text());
  66         for (int i = 0; i <= index; i++) {
  67             if (!matcher.find()) {
  68                 throw new JemmyException(index + "'s occurance of \"" + regex + "\" not found.", text);
  69             }
  70         }
  71         return front ? matcher.start() : matcher.end();
  72     }
  73 }