Author: markt
Date: Sun Aug 18 18:14:36 2013
New Revision: 1515191

URL: http://svn.apache.org/r1515191
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=55434
Ensure only duplicate parameters rather than duplicate segements trigger an 
error.

Modified:
    tomcat/trunk/java/org/apache/tomcat/websocket/server/LocalStrings.properties
    tomcat/trunk/java/org/apache/tomcat/websocket/server/UriTemplate.java
    tomcat/trunk/res/findbugs/filter-false-positives.xml
    tomcat/trunk/test/org/apache/tomcat/websocket/server/TestUriTemplate.java

Modified: 
tomcat/trunk/java/org/apache/tomcat/websocket/server/LocalStrings.properties
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/websocket/server/LocalStrings.properties?rev=1515191&r1=1515190&r2=1515191&view=diff
==============================================================================
--- 
tomcat/trunk/java/org/apache/tomcat/websocket/server/LocalStrings.properties 
(original)
+++ 
tomcat/trunk/java/org/apache/tomcat/websocket/server/LocalStrings.properties 
Sun Aug 18 18:14:36 2013
@@ -25,6 +25,7 @@ serverContainer.pojoDeploy=POJO class [{
 serverContainer.servletContextMismatch=Attempted to register a POJO annotated 
for WebSocket at path [{0}] in the ServletContext with context path [{1}] when 
the WebSocket ServerContainer is allocated to the ServletContext with context 
path [{2}]
 serverContainer.servletContextMissing=No ServletContext was specified
 
+uriTemplate.duplicateParameter=The parameter [{0}] appears more than once in 
the path which is not permitted
 uriTemplate.invalidPath=The path [{0}] is not valid.
 uriTemplate.invalidSegment=The segment [{0}] is not valid in the provided path 
[{1}]
 

Modified: tomcat/trunk/java/org/apache/tomcat/websocket/server/UriTemplate.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/websocket/server/UriTemplate.java?rev=1515191&r1=1515190&r2=1515191&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/websocket/server/UriTemplate.java 
(original)
+++ tomcat/trunk/java/org/apache/tomcat/websocket/server/UriTemplate.java Sun 
Aug 18 18:14:36 2013
@@ -16,10 +16,13 @@
  */
 package org.apache.tomcat.websocket.server;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
-import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import javax.websocket.DeploymentException;
 
@@ -35,7 +38,7 @@ public class UriTemplate {
             StringManager.getManager(Constants.PACKAGE_NAME);
 
     private final String normalized;
-    private final Map<String,Segment> segments = new LinkedHashMap<>();
+    private final List<Segment> segments = new ArrayList<>();
     private final boolean hasParameters;
 
 
@@ -47,6 +50,7 @@ public class UriTemplate {
         }
 
         StringBuilder normalized = new StringBuilder(path.length());
+        Set<String> paramNames = new HashSet<>();
 
         String[] segments = path.split("/");
         int paramCount = 0;
@@ -65,6 +69,10 @@ public class UriTemplate {
                 normalized.append('{');
                 normalized.append(paramCount++);
                 normalized.append('}');
+                if (!paramNames.add(segment)) {
+                    throw new IllegalArgumentException(sm.getString(
+                            "uriTemplate.duplicateParameter", segment));
+                }
             } else {
                 if (segment.contains("{") || segment.contains("}")) {
                     throw new IllegalArgumentException(sm.getString(
@@ -72,12 +80,7 @@ public class UriTemplate {
                 }
                 normalized.append(segment);
             }
-            Segment old =
-                    this.segments.put(segment, new Segment(index, segment));
-            if (old != null) {
-                throw new IllegalArgumentException(
-                        sm.getString("uriTemplate.duplicateName", segment));
-            }
+            this.segments.add(new Segment(index, segment));
             segmentCount++;
         }
 
@@ -96,8 +99,8 @@ public class UriTemplate {
         }
 
         Iterator<Segment> candidateSegments =
-                candidate.getSegments().values().iterator();
-        Iterator<Segment> targetSegments = segments.values().iterator();
+                candidate.getSegments().iterator();
+        Iterator<Segment> targetSegments = segments.iterator();
 
         while (candidateSegments.hasNext()) {
             Segment candidateSegment = candidateSegments.next();
@@ -136,7 +139,7 @@ public class UriTemplate {
     }
 
 
-    private Map<String,Segment> getSegments() {
+    private List<Segment> getSegments() {
         return segments;
     }
 

Modified: tomcat/trunk/res/findbugs/filter-false-positives.xml
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/res/findbugs/filter-false-positives.xml?rev=1515191&r1=1515190&r2=1515191&view=diff
==============================================================================
--- tomcat/trunk/res/findbugs/filter-false-positives.xml (original)
+++ tomcat/trunk/res/findbugs/filter-false-positives.xml Sun Aug 18 18:14:36 
2013
@@ -639,8 +639,8 @@
     <Or>
       <Method name="testBasicPrefix" />
       <Method name="testQuote2" />
-      <Method name="testDuplicate" />
+      <Method name="testDuplicate01" />
     </Or>
-    <Bug  pattern="DLS_DEAD_LOCAL_STORE"/>
+    <Bug pattern="DLS_DEAD_LOCAL_STORE"/>
   </Match>
 </FindBugsFilter>
\ No newline at end of file

Modified: 
tomcat/trunk/test/org/apache/tomcat/websocket/server/TestUriTemplate.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/tomcat/websocket/server/TestUriTemplate.java?rev=1515191&r1=1515190&r2=1515191&view=diff
==============================================================================
--- tomcat/trunk/test/org/apache/tomcat/websocket/server/TestUriTemplate.java 
(original)
+++ tomcat/trunk/test/org/apache/tomcat/websocket/server/TestUriTemplate.java 
Sun Aug 18 18:14:36 2013
@@ -141,7 +141,7 @@ public class TestUriTemplate {
         Map<String,String> result = t.match(new UriTemplate("/a"));
 
         Assert.assertNull(result);
-   }
+    }
 
 
     @Test
@@ -150,12 +150,23 @@ public class TestUriTemplate {
         Map<String,String> result = t.match(new UriTemplate("/a/b/c"));
 
         Assert.assertNull(result);
-   }
+    }
 
 
     @Test(expected=java.lang.IllegalArgumentException.class)
-    public void testDuplicate() throws Exception {
+    public void testDuplicate01() throws Exception {
         @SuppressWarnings("unused")
         UriTemplate t = new UriTemplate("/{var}/{var}");
-   }
+    }
+
+
+    @Test
+    public void testDuplicate02() throws Exception {
+        UriTemplate t = new UriTemplate("/{a}/{b}");
+        Map<String,String> result = t.match(new UriTemplate("/x/x"));
+
+        Assert.assertEquals(2, result.size());
+        Assert.assertEquals("x", result.get("a"));
+        Assert.assertEquals("x", result.get("b"));
+    }
 }



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