src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/xmlschema/UnusedCustomizationChecker.java

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1 /*
2 * Copyright (c) 1997, 2011, 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 package com.sun.tools.internal.xjc.reader.xmlschema;
27
28 import java.util.HashSet;
29 import java.util.Iterator;
30 import java.util.Map;
31 import java.util.Set;
32
33 import com.sun.tools.internal.xjc.reader.Const;
34 import com.sun.tools.internal.xjc.reader.Ring;
35 import com.sun.tools.internal.xjc.reader.xmlschema.bindinfo.BIDeclaration;
36 import com.sun.xml.internal.bind.v2.WellKnownNamespace;
37 import com.sun.xml.internal.xsom.XSAnnotation;
38 import com.sun.xml.internal.xsom.XSAttContainer;
39 import com.sun.xml.internal.xsom.XSAttGroupDecl;
40 import com.sun.xml.internal.xsom.XSAttributeDecl;
41 import com.sun.xml.internal.xsom.XSAttributeUse;
42 import com.sun.xml.internal.xsom.XSComplexType;
43 import com.sun.xml.internal.xsom.XSComponent;
44 import com.sun.xml.internal.xsom.XSContentType;
45 import com.sun.xml.internal.xsom.XSElementDecl;
46 import com.sun.xml.internal.xsom.XSFacet;
47 import com.sun.xml.internal.xsom.XSIdentityConstraint;
48 import com.sun.xml.internal.xsom.XSListSimpleType;
49 import com.sun.xml.internal.xsom.XSModelGroup;
50 import com.sun.xml.internal.xsom.XSModelGroupDecl;
51 import com.sun.xml.internal.xsom.XSNotation;
52 import com.sun.xml.internal.xsom.XSParticle;
53 import com.sun.xml.internal.xsom.XSRestrictionSimpleType;
54 import com.sun.xml.internal.xsom.XSSchema;
55 import com.sun.xml.internal.xsom.XSSchemaSet;
56 import com.sun.xml.internal.xsom.XSSimpleType;
57 import com.sun.xml.internal.xsom.XSUnionSimpleType;
58 import com.sun.xml.internal.xsom.XSWildcard;
59 import com.sun.xml.internal.xsom.XSXPath;
60 import com.sun.xml.internal.xsom.visitor.XSSimpleTypeVisitor;
61 import com.sun.xml.internal.xsom.visitor.XSVisitor;
62
63 /**
64 * Reports all unacknowledged customizations as errors.
65 *
66 * <p>
67 * Since we scan the whole content tree, we use this to check for unused
68 * <tt>xmime:expectedContentTypes</tt> attributes. TODO: if we find this kind of error checks more
69 * common, use the visitors so that we don't have to mix everything in one class.
70 *
71 * @author
72 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
73 */
74 class UnusedCustomizationChecker extends BindingComponent implements XSVisitor, XSSimpleTypeVisitor {
75 private final BGMBuilder builder = Ring.get(BGMBuilder.class);
76 private final SimpleTypeBuilder stb = Ring.get(SimpleTypeBuilder.class);
77
78 private final Set<XSComponent> visitedComponents = new HashSet<XSComponent>();
79
80 /**
81 * Runs the check.
82 */
83 void run() {
84 for( XSSchema s : Ring.get(XSSchemaSet.class).getSchemas() ) {
85 schema(s);
86 run( s.getAttGroupDecls() );
87 run( s.getAttributeDecls() );
88 run( s.getComplexTypes() );
89 run( s.getElementDecls() );
90 run( s.getModelGroupDecls() );
91 run( s.getNotations() );
92 run( s.getSimpleTypes() );
93 }
94 }
95
96 private void run( Map<String,? extends XSComponent> col ) {
97 for( XSComponent c : col.values() )
98 c.visit(this);
99 }
100
101
102 /**
103 * Checks unused customizations on this component
104 * and returns true if this is the first time this
105 * component is checked.
106 */
107 private boolean check( XSComponent c ) {
108 if( !visitedComponents.add(c) )
109 return false; // already processed
110
111 for( BIDeclaration decl : builder.getBindInfo(c).getDecls() )
112 check(decl, c);
113
114 checkExpectedContentTypes(c);
115
116 return true;
117 }
118
119 private void checkExpectedContentTypes(XSComponent c) {
120 if(c.getForeignAttribute(WellKnownNamespace.XML_MIME_URI, Const.EXPECTED_CONTENT_TYPES)==null)
121 return; // no such attribute
122 if(c instanceof XSParticle)
123 return; // particles get the same foreign attributes as local element decls,
124 // so we need to skip them
125
126 if(!stb.isAcknowledgedXmimeContentTypes(c)) {
127 // this is not used
128 getErrorReporter().warning(c.getLocator(),Messages.WARN_UNUSED_EXPECTED_CONTENT_TYPES);
129 }
130 }
131
132 private void check(BIDeclaration decl, XSComponent c) {
133 if( !decl.isAcknowledged() ) {
134 getErrorReporter().error(
135 decl.getLocation(),
136 Messages.ERR_UNACKNOWLEDGED_CUSTOMIZATION,
137 decl.getName().getLocalPart()
138 );
139 getErrorReporter().error(
140 c.getLocator(),
141 Messages.ERR_UNACKNOWLEDGED_CUSTOMIZATION_LOCATION);
142 // mark it as acknowledged to avoid
143 // duplicated error messages.
144 decl.markAsAcknowledged();
145 }
146 for (BIDeclaration d : decl.getChildren())
147 check(d,c);
148 }
149
150
151 public void annotation(XSAnnotation ann) {}
152
153 public void attGroupDecl(XSAttGroupDecl decl) {
154 if(check(decl))
155 attContainer(decl);
156 }
157
158 public void attributeDecl(XSAttributeDecl decl) {
159 if(check(decl))
160 decl.getType().visit((XSSimpleTypeVisitor)this);
161 }
162
163 public void attributeUse(XSAttributeUse use) {
164 if(check(use))
165 use.getDecl().visit(this);
166 }
167
168 public void complexType(XSComplexType type) {
169 if(check(type)) {
170 // don't need to check the base type -- it must be global, thus
171 // it is covered already
172 type.getContentType().visit(this);
173 attContainer(type);
174 }
175 }
176
177 private void attContainer( XSAttContainer cont ) {
178 for( Iterator itr = cont.iterateAttGroups(); itr.hasNext(); )
179 ((XSAttGroupDecl)itr.next()).visit(this);
180
181 for( Iterator itr = cont.iterateDeclaredAttributeUses(); itr.hasNext(); )
182 ((XSAttributeUse)itr.next()).visit(this);
183
184 XSWildcard wc = cont.getAttributeWildcard();
185 if(wc!=null) wc.visit(this);
186 }
187
188 public void schema(XSSchema schema) {
189 check(schema);
190 }
191
192 public void facet(XSFacet facet) {
193 check(facet);
194 }
195
196 public void notation(XSNotation notation) {
197 check(notation);
198 }
199
200 public void wildcard(XSWildcard wc) {
201 check(wc);
202 }
203
204 public void modelGroupDecl(XSModelGroupDecl decl) {
205 if(check(decl))
206 decl.getModelGroup().visit(this);
207 }
208
209 public void modelGroup(XSModelGroup group) {
210 if(check(group)) {
211 for( int i=0; i<group.getSize(); i++ )
212 group.getChild(i).visit(this);
213 }
214 }
215
216 public void elementDecl(XSElementDecl decl) {
217 if(check(decl)) {
218 decl.getType().visit(this);
219 for( XSIdentityConstraint id : decl.getIdentityConstraints() )
220 id.visit(this);
221 }
222 }
223
224 public void simpleType(XSSimpleType simpleType) {
225 if(check(simpleType))
226 simpleType.visit( (XSSimpleTypeVisitor)this );
227 }
228
229 public void particle(XSParticle particle) {
230 if(check(particle))
231 particle.getTerm().visit(this);
232 }
233
234 public void empty(XSContentType empty) {
235 check(empty);
236 }
237
238 public void listSimpleType(XSListSimpleType type) {
239 if(check(type))
240 type.getItemType().visit((XSSimpleTypeVisitor)this);
241 }
242
243 public void restrictionSimpleType(XSRestrictionSimpleType type) {
244 if(check(type))
245 type.getBaseType().visit(this);
246 }
247
248 public void unionSimpleType(XSUnionSimpleType type) {
249 if(check(type)) {
250 for( int i=0; i<type.getMemberSize(); i++ )
251 type.getMember(i).visit((XSSimpleTypeVisitor)this);
252 }
253 }
254
255 public void identityConstraint(XSIdentityConstraint id) {
256 if(check(id)) {
257 id.getSelector().visit(this);
258 for( XSXPath xp : id.getFields() )
259 xp.visit(this);
260 }
261 }
262
263 public void xpath(XSXPath xp) {
264 check(xp);
265 }
266
267 }

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