Merge branch 'develop' into update_212_Dec_merge_with_21125_chamges

[jalview.git] / src / jalview / util / StringUtils.java

diff --git a/src/jalview/util/StringUtils.java b/src/jalview/util/StringUtils.java
index 3025e8a..c7a8f33 100644 (file)
--- a/src/jalview/util/StringUtils.java
+++ b/src/jalview/util/StringUtils.java
@@ -119,6 +119,29 @@ public class StringUtils
   }
 
   /**
+   * Returns the last part of 'input' after the last occurrence of 'token'. For
+   * example to extract only the filename from a full path or URL.
+   * 
+   * @param input
+   * @param token
+   *          a delimiter which must be in regular expression format
+   * @return
+   */
+  public static String getLastToken(String input, String token)
+  {
+    if (input == null)
+    {
+      return null;
+    }
+    if (token == null)
+    {
+      return input;
+    }
+    String[] st = input.split(token);
+    return st[st.length - 1];
+  }
+
+  /**
    * Parses the input string into components separated by the delimiter. Unlike
    * String.split(), this method will ignore occurrences of the delimiter which
    * are nested within single quotes in name-value pair values, e.g. a='b,c'.
@@ -390,7 +413,8 @@ public class StringUtils
     {
       return s.toUpperCase(Locale.ROOT);
     }
-    return s.substring(0, 1).toUpperCase(Locale.ROOT) + s.substring(1).toLowerCase(Locale.ROOT);
+    return s.substring(0, 1).toUpperCase(Locale.ROOT)
+            + s.substring(1).toLowerCase(Locale.ROOT);
   }
 
   /**
@@ -435,8 +459,8 @@ public class StringUtils
   }
 
   /**
-   * Answers the input string with any occurrences of the 'encodeable' characters
-   * replaced by their URL encoding
+   * Answers the input string with any occurrences of the 'encodeable'
+   * characters replaced by their URL encoding
    * 
    * @param s
    * @param encodable
@@ -572,4 +596,18 @@ public class StringUtils
     }
     return true;
   }
+
+  public static int firstCharPosIgnoreCase(String text, String chars)
+  {
+    int min = text.length() + 1;
+    for (char c : chars.toLowerCase(Locale.ROOT).toCharArray())
+    {
+      int i = text.toLowerCase(Locale.ROOT).indexOf(c);
+      if (0 <= i && i < min)
+      {
+        min = i;
+      }
+    }
+    return min < text.length() + 1 ? min : -1;
+  }
 }