svn commit: r1634047 - /lucene/dev/trunk/solr/solrj/src/java/org/apache/solr/common/util/NamedList.java

[no...@apache.org]

Author: noble
Date: Fri Oct 24 12:59:58 2014
New Revision: 1634047

URL: http://svn.apache.org/r1634047
Log:
added an asMap() method

Modified:
    lucene/dev/trunk/solr/solrj/src/java/org/apache/solr/common/util/NamedList.java

Modified: lucene/dev/trunk/solr/solrj/src/java/org/apache/solr/common/util/NamedList.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/solr/solrj/src/java/org/apache/solr/common/util/NamedList.java?rev=1634047&r1=1634046&r2=1634047&view=diff
==============================================================================
--- lucene/dev/trunk/solr/solrj/src/java/org/apache/solr/common/util/NamedList.java (original)
+++ lucene/dev/trunk/solr/solrj/src/java/org/apache/solr/common/util/NamedList.java Fri Oct 24 12:59:58 2014
@@ -23,6 +23,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -390,6 +391,31 @@ public class NamedList<T> implements Clo
     return new NamedList<>( Collections.unmodifiableList(copy.nvPairs));
   }
 
+  public Map asMap(int maxDepth) {
+    LinkedHashMap result = new LinkedHashMap();
+    for(int i=0;i<size();i++){
+      Object val = getVal(i);
+      if (val instanceof NamedList && maxDepth> 0) {
+        //the maxDepth check is to avoid stack overflow due to infinite recursion
+        val = ((NamedList) val).asMap(maxDepth-1);
+      }
+      Object old = result.put(getName(i), val);
+      if(old!=null){
+        if (old instanceof List) {
+          List list = (List) old;
+          list.add(val);
+          result.put(getName(i),old);
+        } else {
+          ArrayList l = new ArrayList();
+          l.add(old);
+          l.add(val);
+          result.put(getName(i), l);
+        }
+      }
+    }
+    return result;
+  }
+
   /**
    * 
    * Helper class implementing Map.Entry&lt;String, T&gt; to store the key-value