1 /*
   2  * Copyright (c) 2005, 2015, 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 /*
  26  * Copyright (C) 2004-2011
  27  *
  28  * Permission is hereby granted, free of charge, to any person obtaining a copy
  29  * of this software and associated documentation files (the "Software"), to deal
  30  * in the Software without restriction, including without limitation the rights
  31  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  32  * copies of the Software, and to permit persons to whom the Software is
  33  * furnished to do so, subject to the following conditions:
  34  *
  35  * The above copyright notice and this permission notice shall be included in
  36  * all copies or substantial portions of the Software.
  37  *
  38  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  39  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  40  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  41  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  42  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  43  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  44  * THE SOFTWARE.
  45  */
  46 package com.sun.xml.internal.rngom.binary;
  47 
  48 import com.sun.xml.internal.rngom.binary.visitor.PatternFunction;
  49 import com.sun.xml.internal.rngom.binary.visitor.PatternVisitor;
  50 import com.sun.xml.internal.org.relaxng.datatype.Datatype;
  51 
  52 public class ValuePattern extends StringPattern {
  53   Object obj;
  54   Datatype dt;
  55 
  56   ValuePattern(Datatype dt, Object obj) {
  57     super(combineHashCode(VALUE_HASH_CODE, obj.hashCode()));
  58     this.dt = dt;
  59     this.obj = obj;
  60   }
  61 
  62   boolean samePattern(Pattern other) {
  63     if (getClass() != other.getClass())
  64       return false;
  65     if (!(other instanceof ValuePattern))
  66       return false;
  67     return (dt.equals(((ValuePattern)other).dt)
  68             && dt.sameValue(obj, ((ValuePattern)other).obj));
  69   }
  70 
  71   public void accept(PatternVisitor visitor) {
  72     visitor.visitValue(dt, obj);
  73   }
  74 
  75   public Object apply(PatternFunction f) {
  76     return f.caseValue(this);
  77   }
  78 
  79     @Override
  80   void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
  81     throws RestrictionViolationException {
  82     switch (context) {
  83     case START_CONTEXT:
  84       throw new RestrictionViolationException("start_contains_value");
  85     }
  86   }
  87 
  88   Datatype getDatatype() {
  89     return dt;
  90   }
  91 
  92   Object getValue() {
  93     return obj;
  94   }
  95 
  96 }