1 files changed, 45 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/wizards/templates/FmExtractLettersMethod.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/wizards/templates/FmExtractLettersMethod.java
new file mode 100644
index 000000000..09fa81c57
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/wizards/templates/FmExtractLettersMethod.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.eclipse.org/org/documents/epl-v10.php
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.ide.eclipse.adt.internal.wizards.templates;
+
+import freemarker.template.SimpleScalar;
+import freemarker.template.TemplateMethodModel;
+import freemarker.template.TemplateModel;
+import freemarker.template.TemplateModelException;
+
+import java.util.List;
+
+/**
+ * Method invoked by FreeMarker to extract letters from a string; this will remove
+ * any whitespace, punctuation and digits.
+ */
+public class FmExtractLettersMethod implements TemplateMethodModel {
+    @Override
+    public TemplateModel exec(List args) throws TemplateModelException {
+        if (args.size() != 1) {
+            throw new TemplateModelException("Wrong arguments");
+        }
+        String string = args.get(0).toString();
+        StringBuilder sb = new StringBuilder(string.length());
+        for (int i = 0, n = string.length(); i < n; i++) {
+            char c = string.charAt(i);
+            if (Character.isLetter(c)) {
+                sb.append(c);
+            }
+        }
+        return new SimpleScalar(sb.toString());
+    }
+}
+\ No newline at end of file