Changeset 1243 for trunk/java-utils/src/main/java/de/ugoe/cs/util/FileTools.java

Timestamp:

06/28/13 14:38:46 (11 years ago)

Author:

pharms

Message:

• improved autocompletion of console to also autocomplete to paths and objects in the global data container

File:

• trunk/java-utils/src/main/java/de/ugoe/cs/util/FileTools.java (modified) (1 diff)

trunk/java-utils/src/main/java/de/ugoe/cs/util/FileTools.java

@@ -99 +99 @@
         return (new String(buffer)).split(splitString);
     }
+    
+    /**
+     * <p>
+     * Autocompletes a give path. The path must be absolute. Otherwise, autocompletion
+     * is not possible.
+     * </p>
+     * 
+     * @param prefix
+     *            the prefix to be complete
+     * @return the auto completed path
+     */
+    public static String autoCompletePath(String prefix) {
+        File prefixFile = new File(prefix);
+        File parentDir = prefixFile.getParentFile();
+        
+        if (parentDir == null) {
+            // the prefix does not denote a path or denotes one of the root directories.
+            // this can not be auto completed
+            return prefix;
+        }
+        
+        String[] completions = null;
+        
+        if (parentDir.exists()) {
+            completions = parentDir.list();
+        }
+        
+        if (completions == null) {
+            completions = new String[0];
+        }
+        
+        String completedPrefix;
+        
+        completedPrefix = StringTools.autocomplete(prefixFile.getName(), completions);
+        
+        File completedFile = new File(parentDir, completedPrefix);
+        
+        if (completedFile.exists() && completedFile.isDirectory()) {
+            return completedFile.getAbsolutePath() + File.separator;
+        }
+        else {
+            return (parentDir.getAbsolutePath() + File.separator + completedPrefix)
+                .replaceAll("//", "/");
+        }
+    }
 
 }