Changeset 20438

Timestamp:

2009-08-30T18:38:39+12:00 (15 years ago)

Author:

kjdon

Message:

added convertMetadataElementListNames to convert from display to proper names and vice versa

File:

• gli/trunk/src/org/greenstone/gatherer/metadata/MetadataTools.java (modified) (2 diffs)

gli/trunk/src/org/greenstone/gatherer/metadata/MetadataTools.java

@@ -27 +27 @@
 package org.greenstone.gatherer.metadata;
 
+import java.util.StringTokenizer;
 
 /** This class is a static class containing useful metadata functions */
@@ -135 +136 @@
     return file_path_regexp;
     }
+
+    static public boolean TO_DISPLAY_NAMES = true;
+    static public boolean FROM_DISPLAY_NAMES = false;
+
+    static public String convertMetadataElementListNames(String value_str, boolean to_display) {
+    if (value_str == null || value_str.length () == 0) {
+        return value_str;
+    }
+    
+    // final true arg to return delims as tokens
+    StringTokenizer string_tokenizer = new StringTokenizer (value_str, ",;/", true);
+    StringBuffer value_buffer = new StringBuffer ();
+    while (string_tokenizer.hasMoreElements ()) {
+      String raw_token = (String) string_tokenizer.nextElement ();
+      String token = raw_token.trim ();
+      boolean modified_token = false;
+      // not a delimiter token
+      if (!raw_token.equals(",") && !raw_token.equals(";") && !raw_token.equals("/")) {
+      MetadataElement meta_elem = null;
+      if (to_display) {
+         meta_elem = getMetadataElementWithName(token);
+         if (meta_elem !=null) {
+         token = meta_elem.getDisplayName();
+         modified_token = true;
+         }
+      } else {
+          meta_elem = getMetadataElementWithDisplayName(token);
+          
+          if (meta_elem != null) {
+          token = meta_elem.getFullName ();
+          modified_token = true;
+          }
+      }
+      }
+      if (modified_token) {
+    value_buffer.append (token);
+      } else {
+    // we may have had whitespace etc that was part of the string
+    value_buffer.append (raw_token);
+      }
+    }
+    
+    
+    if(value_buffer.length () == 0) {
+      return "";
+    }
+    return value_buffer.toString();
+    }
+ 
+
 }
+