Changeset 4156

Timestamp:

2003-04-15T12:41:15+12:00 (21 years ago)

Author:

kjdon

Message:

finished translateOID

File:

• trunk/gsdl3/src/java/org/greenstone/gdbm/GDBMWrapper.java (modified) (3 diffs)

trunk/gsdl3/src/java/org/greenstone/gdbm/GDBMWrapper.java

@@ -127 +127 @@
 
     // greenstone convenience methods - should these go into a separate class?
-
+    // yes I think so.
     /** converts a greenstone OID to internal docnum */
     public long oid2Docnum(String OID) {
@@ -146 +146 @@
     public String translateOID(String oid) {
 
+    
     int p = oid.lastIndexOf('.');
     if (p != oid.length()-3) {
@@ -156 +157 @@
     if (suff.equals("pr")) {
         return OID.getParent(top);
-    } else if (suff.equals("fc")) {
-    } else if (suff.equals("lc")) {
-    } else if (suff.equals("ns")) {
-    } else if (suff.equals("ps")) {
     } else if (suff.equals("rt")) {
         return OID.getTop(top);
-    }
-    return oid;
+    } else {
+        System.out.println("looking up gdbm db");
+        // need to get info out of gdbm db -
+        String doc_id = top;
+        if (suff.endsWith("s")) {
+        doc_id = OID.getParent(top);
+        }
+        System.out.println("doc id to lok up is"+doc_id);
+        DBInfo info = getInfo(doc_id);
+        if (info==null) {
+        System.out.println("info is null!!");
+        return top;
+        }
+        String contains = info.getInfo("contains");
+        contains.replaceAll("\"", doc_id);
+        if (contains.equals("")) {
+        // something is wrong
+        return top;
+        }
+        contains = contains.replaceAll("\"", doc_id);
+        String [] children = contains.split(";");
+        if (suff.equals("fc")) {
+        return children[0];
+        } else if (suff.equals("lc")) {
+        return children[children.length-1];
+        } else {
+        // find the position that we are at.
+        int i=0;
+        while (i<children.length) {
+            if (children[i].equals(top)) {
+            break;
+            }
+            i++;
+        }
+        
+        if (suff.equals("ns")) {
+            if (i==children.length-1)return children[i];
+            return children[i+1];
+        } else if (suff.equals("ps")) {
+            if (i==0) return children[i];
+            return children[i-1];
+        }
+        }
+    }
+    return top;
     }
 }