convert a string to a set of integers...

Author: tdebatty

pom.xml

@@ -7,7 +7,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>info.debatty</groupId>
     <artifactId>java-string-similarity</artifactId>
-    <version>0.3</version>  
+    <version>0.4</version>  
     <packaging>jar</packaging>
 
     <name>${project.artifactId}</name>

src/main/java/info/debatty/java/stringsimilarity/KShingling.java

@@ -2,7 +2,9 @@
 
 import java.io.Serializable;
 import java.security.InvalidParameterException;
+import java.util.ArrayList;
 import java.util.HashSet;
+import java.util.Set;
 
 /**
  * A k-shingling is a set of unique k-grams, used to measure the similarity of 
@@ -101,4 +103,17 @@ public boolean[] booleanVectorOf(String s) {
         return r;
     }
 
+    public Set<Integer> integerSetOf(String s) {
+        Set<Integer> set = new HashSet<Integer>();
+        int i = 0;
+        for (String shingle : this) {
+            if (s.contains(shingle)) {
+                set.add(i);
+            }
+            i++;
+        }
+        
+        return set;
+    }
+    
 }