1 /*
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
3 * @LastModified: Oct 2017
4 */
5 /*
6 * Licensed to the Apache Software Foundation (ASF) under one or more
7 * contributor license agreements. See the NOTICE file distributed with
8 * this work for additional information regarding copyright ownership.
9 * The ASF licenses this file to You under the Apache License, Version 2.0
10 * (the "License"); you may not use this file except in compliance with
11 * the License. You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 */
21
22 package com.sun.org.apache.xerces.internal.impl.validation;
23
24 import com.sun.org.apache.xerces.internal.impl.dv.ValidationContext;
25 import com.sun.org.apache.xerces.internal.util.SymbolTable;
26 import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
27 import java.util.ArrayList;
28 import java.util.HashSet;
29 import java.util.Iterator;
30 import java.util.List;
31 import java.util.Locale;
32
33 /**
34 * Implementation of ValidationContext inteface. Used to establish an
35 * environment for simple type validation.
36 *
37 * @xerces.internal
38 *
39 * @author Elena Litani, IBM
40 */
41 public class ValidationState implements ValidationContext {
42
43 //
44 // private data
45 //
46 private boolean fExtraChecking = true;
47 private boolean fFacetChecking = true;
48 private boolean fNormalize = true;
49 private boolean fNamespaces = true;
50
51 private EntityState fEntityState = null;
52 private NamespaceContext fNamespaceContext = null;
53 private SymbolTable fSymbolTable = null;
54 private Locale fLocale = null;
55
56 private HashSet<String> fIds;
57 private List<String> fIdRefList;
58
59 //
60 // public methods
61 //
62 public void setExtraChecking(boolean newValue) {
63 fExtraChecking = newValue;
64 }
65
66 public void setFacetChecking(boolean newValue) {
67 fFacetChecking = newValue;
68 }
69
70 public void setNormalizationRequired (boolean newValue) {
71 fNormalize = newValue;
72 }
73
74 public void setUsingNamespaces (boolean newValue) {
75 fNamespaces = newValue;
76 }
77
78 public void setEntityState(EntityState state) {
79 fEntityState = state;
80 }
81
82 public void setNamespaceSupport(NamespaceContext namespace) {
83 fNamespaceContext = namespace;
84 }
85
86 public void setSymbolTable(SymbolTable sTable) {
87 fSymbolTable = sTable;
88 }
89
90 /**
91 * return null if all IDREF values have a corresponding ID value;
92 * otherwise return an iterator for all the IDREF values without
93 * a matching ID value.
94 */
95 public Iterator<String> checkIDRefID () {
96 HashSet<String> missingIDs = null;
97 if (fIdRefList != null) {
98 String key;
99 for (int i = 0; i < fIdRefList.size(); i++) {
100 key = fIdRefList.get(i);
101 if (fIds == null || !fIds.contains(key)) {
102 if (missingIDs == null) {
103 missingIDs = new HashSet<>();
104 }
105 missingIDs.add(key);
106 }
107 }
108 }
109 return (missingIDs != null) ? missingIDs.iterator() : null;
110 }
111
112 public void reset () {
113 fExtraChecking = true;
114 fFacetChecking = true;
115 fNamespaces = true;
116 fIds = null;
117 fIdRefList = null;
118 fEntityState = null;
119 fNamespaceContext = null;
120 fSymbolTable = null;
121 }
122
123 /**
124 * The same validation state can be used to validate more than one (schema)
125 * validation roots. Entity/Namespace/Symbol are shared, but each validation
126 * root needs its own id/idref tables. So we need this method to reset only
127 * the two tables.
128 */
129 public void resetIDTables() {
130 fIds = null;
131 fIdRefList = null;
132 }
133
134 //
135 // implementation of ValidationContext methods
136 //
137
138 // whether to do extra id/idref/entity checking
139 public boolean needExtraChecking() {
140 return fExtraChecking;
141 }
142
143 // whether to validate against facets
144 public boolean needFacetChecking() {
145 return fFacetChecking;
146 }
147
148 public boolean needToNormalize (){
149 return fNormalize;
150 }
151
152 public boolean useNamespaces() {
153 return fNamespaces;
154 }
155
156 // entity
157 public boolean isEntityDeclared (String name) {
158 if (fEntityState !=null) {
159 return fEntityState.isEntityDeclared(getSymbol(name));
160 }
161 return false;
162 }
163 public boolean isEntityUnparsed (String name) {
164 if (fEntityState !=null) {
165 return fEntityState.isEntityUnparsed(getSymbol(name));
166 }
167 return false;
168 }
169
170 // id
171 public boolean isIdDeclared(String name) {
172 return fIds != null && fIds.contains(name);
173 }
174 public void addId(String name) {
175 if (fIds == null) fIds = new HashSet<>();
176 fIds.add(name);
177 }
178
179 // idref
180 public void addIdRef(String name) {
181 if (fIdRefList == null) fIdRefList = new ArrayList<>();
182 fIdRefList.add(name);
183 }
184 // get symbols
185
186 public String getSymbol (String symbol) {
187 if (fSymbolTable != null)
188 return fSymbolTable.addSymbol(symbol);
189 // if there is no symbol table, we return java-internalized string,
190 // because symbol table strings are also java-internalzied.
191 // this guarantees that the returned string from this method can be
192 // compared by reference with other symbol table string. -SG
193 return symbol.intern();
194 }
195 // qname, notation
196 public String getURI(String prefix) {
197 if (fNamespaceContext !=null) {
198 return fNamespaceContext.getURI(prefix);
199 }
200 return null;
201 }
202
203 // Locale
204
205 public void setLocale(Locale locale) {
206 fLocale = locale;
207 }
208
209 public Locale getLocale() {
210 return fLocale;
211 }
212 }