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1
23
24 package org.hammurapi;
25
26 import java.text.ParseException  ;
27 import java.text.SimpleDateFormat ;
28 import java.util.Collection ;
29 import java.util.Date ;
30 import java.util.HashSet ;
31 import java.util.Iterator ;
32 import java.util.LinkedList ;
33 import java.util.Set ;
34
35 import javax.xml.transform.TransformerException ;
36
37 import org.apache.oro.text.GlobCompiler;
38 import org.apache.oro.text.regex.MalformedPatternException;
39 import org.apache.oro.text.regex.Pattern;
40 import org.apache.oro.text.regex.Perl5Matcher;
41 import org.apache.xpath.CachedXPathAPI;
42 import org.w3c.dom.Element ;
43 import org.w3c.dom.Node ;
44 import org.w3c.dom.traversal.NodeIterator;
45
46 import com.pavelvlasov.jsel.CompilationUnit;
47 import com.pavelvlasov.jsel.JselException;
48 import com.pavelvlasov.jsel.LanguageElement;
49 import com.pavelvlasov.jsel.Operation;
50 import com.pavelvlasov.jsel.Package;
51 import com.pavelvlasov.jsel.TypeBody;
52 import com.pavelvlasov.review.Signed;
53 import com.pavelvlasov.xml.dom.AbstractDomObject;
54
55
59 public class DomWaiver extends AbstractDomObject implements Waiver {
60 private Set signatures=new HashSet ();
61 boolean active=true;
62 boolean hadSignatures=false;
63
64 private LinkedList elements=new LinkedList ();
65
66 private static class ElementEntry {
67 boolean exclude;
68 String name;
69 String operationSignature;
70 Pattern fileNamePattern;
71 }
72
73
77 private static void parseParameter(Object parameter, ElementEntry entry) {
78 String value = (String ) parameter;
79 int pi = value.indexOf('(');
80 if (pi==-1) {
81 entry.name=value;
82 } else {
83 int lastDot=value.lastIndexOf('.', pi);
84 if (lastDot==-1) {
85 entry.name="*";
86 entry.operationSignature=value;
87 } else {
88 entry.name=value.substring(0, lastDot);
89 entry.operationSignature=value.substring(lastDot+1);
90 }
91 }
92 }
93
94
97 public DomWaiver(Element holder) throws HammurapiException {
98 super();
99 try {
100 CachedXPathAPI cxpa=new CachedXPathAPI();
101 inspectorName=getElementText(holder, "inspector-name", cxpa);
102
103 NodeIterator it=cxpa.selectNodeIterator(holder, "signature");
104 Node signatureNode;
105 while ((signatureNode=it.nextNode())!=null) {
106 if (signatureNode instanceof Element ) {
107 hadSignatures=true;
108 signatures.add(getElementText(signatureNode));
109
110 }
111 }
112
113 it=cxpa.selectNodeIterator(holder, "include-element|exclude-element|include-file|exclude-file");
114 Element element;
115 while ((element=(Element ) it.nextNode())!=null) {
116 String elementText = getElementText(element);
117 if ("include-element".equals(element.getNodeName())) {
118 ElementEntry entry=new ElementEntry();
119 entry.exclude=false;
120 parseParameter(elementText, entry);
121 elements.addFirst(entry);
122 } else if ("exclude-element".equals(element.getNodeName())) {
123 ElementEntry entry=new ElementEntry();
124 entry.exclude=true;
125 parseParameter(elementText , entry);
126 elements.addFirst(entry);
127 } else if ("include-file".equals(element.getNodeName())) {
128 GlobCompiler compiler=new GlobCompiler();
129 ElementEntry entry=new ElementEntry();
130 entry.exclude=false;
131 try {
132 entry.fileNamePattern=compiler.compile(elementText);
133 } catch (MalformedPatternException e) {
134 throw new HammurapiException(e);
135 }
136 elements.addFirst(entry);
137 } else if ("exclude-file".equals(element.getNodeName())) {
138 GlobCompiler compiler=new GlobCompiler();
139 ElementEntry entry=new ElementEntry();
140 entry.exclude=true;
141 try {
142 entry.fileNamePattern=compiler.compile(elementText);
143 } catch (MalformedPatternException e) {
144 throw new HammurapiException(e);
145 }
146 elements.addFirst(entry);
147 }
148 }
149
150 reason=getElementText(holder, "reason", cxpa);
151
152 String expirationDateVal=getElementText(holder, "expiration-date", cxpa);
153 if (expirationDateVal!=null) {
154 SimpleDateFormat sdf=new SimpleDateFormat (DATE_FORMAT);
155 expirationDate=sdf.parse(expirationDateVal);
156 }
157 } catch (TransformerException e) {
158 throw new HammurapiException(e);
159 } catch (ParseException e) {
160 throw new HammurapiException(e);
161 }
162 }
163
164 private String inspectorName;
165
166 public String getInspectorName() {
167 return inspectorName;
168 }
169
170 private Date expirationDate;
171
172 public Date getExpirationDate() {
173 return expirationDate;
174 }
175
176 private String reason;
177
178 public String getReason() {
179 return reason;
180 }
181
182 public boolean waive(Violation violation, boolean peek) {
183 if (inspectorName.equals(violation.getDescriptor().getName())) {
184 if (hadSignatures) {
185 if (violation.getSource() instanceof Signed) {
186 String signature = ((Signed) violation.getSource()).getSignature();
187 if (signatures.contains(signature)) {
188 if (!peek) {
189 signatures.remove(signature);
190 }
191 active=!signatures.isEmpty();
192 return true;
193 }
194 }
195 }
196
197 if (elements.isEmpty()) {
198 return true;
199 }
200
201 if (violation.getSource() instanceof LanguageElement) {
202 for (LanguageElement element=(LanguageElement) violation.getSource(); element!=null; element=element.getParent()) {
203 if (_waive(element)) {
204 return true;
205 }
206 }
207
208 if (_waive(((LanguageElement) violation.getSource()).getCompilationUnit().getPackage())) {
209 return true;
210 }
211 } else if (violation.getSource() instanceof com.pavelvlasov.jsel.Package) {
212 if (_waive(violation.getSource())) {
213 return true;
214 }
215 }
216 }
217 return false;
218 }
219
220 private Perl5Matcher matcher=new Perl5Matcher();
221
222
225 private boolean _waive(Object o) {
226 if (o instanceof Package ) {
227 Iterator it=elements.iterator();
228 while (it.hasNext()) {
229 ElementEntry entry=(ElementEntry) it.next();
230 Package pkg = (Package ) o;
231 if (entry.name!=null && entry.operationSignature==null &&
232 ("*".equals(entry.name)
233 || pkg.getName().equals(entry.name)
234 || (entry.name.endsWith(".*") && pkg.getName().startsWith(entry.name.substring(0, entry.name.length()-2))))) {
235 return !entry.exclude;
236 }
237 }
238 } else if (o instanceof CompilationUnit) {
239 Iterator it=elements.iterator();
240 while (it.hasNext()) {
241 ElementEntry entry=(ElementEntry) it.next();
242 if (entry.fileNamePattern!=null && matcher.matches(((CompilationUnit) o).getName(), entry.fileNamePattern)) {
243 return !entry.exclude;
244 }
245 }
246 } else if (o instanceof TypeBody) {
247 Iterator it=elements.iterator();
249 while (it.hasNext()) {
250 ElementEntry entry=(ElementEntry) it.next();
251 try {
252 TypeBody typeBody = (TypeBody) o;
253 if (entry.name!=null && entry.operationSignature==null && typeBody.isKindOf(entry.name)) {
254 return !entry.exclude;
255 }
256 } catch (JselException e) {
257 if (!(e.getCause() instanceof ClassNotFoundException )) {
258 return false;
259 }
260 }
261 }
262 } else if (o instanceof Operation) {
263 Iterator it=elements.iterator();
265 while (it.hasNext()) {
266 ElementEntry entry=(ElementEntry) it.next();
267 try {
268 Operation operation = (Operation) o;
269 if (entry.name!=null && entry.operationSignature!=null && ("*".equals(entry.name) || operation.getEnclosingType().isKindOf(entry.name)) && operation.getInfo().isArgumentCompatible(entry.operationSignature)) {
270 return !entry.exclude;
271 }
272 } catch (JselException e) {
273 throw new HammurapiRuntimeException(e);
274 }
275 }
276 }
277
278 return false;
279 }
280
281 public boolean isActive() {
282 return active;
283 }
284
285 public Collection getSignatures() {
286 return signatures;
287 }
288
289 }
290 |
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