Let PyString implement java.lang.CharSequence for better Java-integration.

Stewori · Stewori · commit 7515082e0dc5 · 2017-01-11T23:55:15.000+01:00
diff --git a/src/org/python/core/PyBaseString.java b/src/org/python/core/PyBaseString.java
@@ -6,11 +6,26 @@
  * base class for jython strings.
  */
 @ExposedType(name = "basestring", base = PyObject.class, doc = BuiltinDocs.basestring_doc)
-public abstract class PyBaseString extends PySequence {
+public abstract class PyBaseString extends PySequence implements CharSequence {
     
     public static final PyType TYPE = PyType.fromClass(PyBaseString.class);
 
     protected PyBaseString(PyType type) {
         super(type);
     }
+
+    @Override
+    public char charAt(int index) {
+        return toString().charAt(index);
+    }
+
+    @Override
+    public int length() {
+        return toString().length();
+    }
+
+    @Override
+    public CharSequence subSequence(int start, int end) {
+        return toString().subSequence(start, end);
+    }
 }
diff --git a/src/org/python/core/PyString.java b/src/org/python/core/PyString.java
@@ -4253,6 +4253,21 @@ protected String unsupportedopMessage(String op, PyObject o2) {
         }
         return super.unsupportedopMessage(op, o2);
     }
+
+    @Override
+    public char charAt(int index) {
+        return string.charAt(index);
+    }
+
+    @Override
+    public int length() {
+        return string.length();
+    }
+
+    @Override
+    public CharSequence subSequence(int start, int end) {
+        return string.subSequence(start, end);
+    }
 }
 
 
