Add facility to get ordered TLV list that preserves the input order

maristo · May 26, 2014 · 15a2dc6 · 15a2dc6
1 parent af9c36a
commit 15a2dc6
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diff --git a/jpos/src/main/java/org/jpos/tlv/TagSequence.java b/jpos/src/main/java/org/jpos/tlv/TagSequence.java
@@ -42,6 +42,8 @@ public interface TagSequence<T> extends TagValue<T> {
 
     Map<String, List<TagValue<T>>> getAll();
 
+    List<TagValue<T>> getOrderedList();
+
     void writeTo(ISOMsg isoMsg) throws ISOException;
 
     void readFrom(ISOMsg isoMsg) throws ISOException;

diff --git a/jpos/src/main/java/org/jpos/tlv/TagSequenceBase.java b/jpos/src/main/java/org/jpos/tlv/TagSequenceBase.java
@@ -37,6 +37,7 @@ public abstract class TagSequenceBase implements TagSequence {
 
     private final String tag;
     private final TreeMap<String, List<TagValue>> tagMap = new TreeMap();
+    private final LinkedList<TagValue> orderedList = new LinkedList();
 
     public TagSequenceBase() {
         this.tag = "Root";
@@ -65,6 +66,12 @@ public synchronized void add(TagValue tagValue) {
             tagMap.put(tag, values);
         }
         values.add(tagValue);
+        orderedList.add(tagValue);
+    }
+
+    @Override
+    public List<TagValue> getOrderedList() {
+        return orderedList;
     }
 
     @Override