1 files changed, 163 insertions, 0 deletions
diff --git a/appc-config/appc-config-adaptor/provider/src/main/java/org/openecomp/appc/ccadaptor/XmlUtil.java b/appc-config/appc-config-adaptor/provider/src/main/java/org/openecomp/appc/ccadaptor/XmlUtil.java
new file mode 100644
index 000000000..7cc1b57d7
--- /dev/null
+++ b/appc-config/appc-config-adaptor/provider/src/main/java/org/openecomp/appc/ccadaptor/XmlUtil.java
@@ -0,0 +1,163 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property.  All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.ccadaptor;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class XmlUtil
+{
+
+  private static final Logger log = LoggerFactory.getLogger(XmlUtil.class);
+
+  public static String getXml(Map<String, String> varmap, String var)
+  {
+    Object o = createStructure(varmap, var);
+    return generateXml(o, 0);
+  }
+
+  private static Object createStructure(Map<String, String> flatmap, String var)
+  {
+    if (flatmap.containsKey(var))
+      return flatmap.get(var);
+
+    Map<String, Object> mm = new HashMap<>();
+    for (String k : flatmap.keySet())
+      if (k.startsWith(var + "."))
+      {
+        int i1 = k.indexOf('.', var.length() + 1);
+        int i2 = k.indexOf('[', var.length() + 1);
+        int i3 = k.length();
+        if (i1 > 0 && i1 < i3)
+          i3 = i1;
+        if (i2 > 0 && i2 < i3)
+          i3 = i2;
+        String k1 = k.substring(var.length() + 1, i3);
+        String var1 = k.substring(0, i3);
+        if (!mm.containsKey(k1))
+        {
+          Object str = createStructure(flatmap, var1);
+          if (str != null && (!(str instanceof String) || ((String) str).trim().length() > 0))
+            mm.put(k1, str);
+        }
+      }
+    if (!mm.isEmpty())
+      return mm;
+
+    boolean arrayFound = false;
+    for (String k : flatmap.keySet())
+      if (k.startsWith(var + "["))
+      {
+        arrayFound = true;
+        break;
+      }
+
+    if (arrayFound)
+    {
+      List<Object> ll = new ArrayList<>();
+
+      int length = Integer.MAX_VALUE;
+      String lengthStr = flatmap.get(var + "_length");
+      if (lengthStr != null)
+      {
+        try
+        {
+          length = Integer.parseInt(lengthStr);
+        }
+        catch (Exception e)
+        {
+          log.warn("Invalid number for " + var + "_length:" + lengthStr);
+        }
+      }
+
+      for (int i = 0; i < length; i++)
+      {
+        Object v = createStructure(flatmap, var + '[' + i + ']');
+        if (v == null)
+          break;
+        ll.add(v);
+      }
+
+      if (!ll.isEmpty())
+        return ll;
+    }
+
+    return null;
+  }
+
+  @SuppressWarnings("unchecked")
+  private static String generateXml(Object o, int indent)
+  {
+    if (o == null)
+      return null;
+
+    if (o instanceof String)
+      return (String) o;
+
+    if (o instanceof Map)
+    {
+      StringBuilder ss = new StringBuilder();
+      Map<String, Object> mm = (Map<String, Object>) o;
+      for (String k : mm.keySet())
+      {
+        Object v = mm.get(k);
+        if (v instanceof String)
+        {
+          ss.append(pad(indent)).append('<').append(k).append('>');
+          ss.append(v);
+          ss.append("</").append(k).append('>').append('\n');
+        }
+        else if (v instanceof Map)
+        {
+          ss.append(pad(indent)).append('<').append(k).append('>').append('\n');
+          ss.append(generateXml(v, indent + 1));
+          ss.append(pad(indent)).append("</").append(k).append('>').append('\n');
+        }
+        else if (v instanceof List)
+        {
+          List<Object> ll = (List<Object>) v;
+          for (Object o1 : ll)
+          {
+            ss.append(pad(indent)).append('<').append(k).append('>').append('\n');
+            ss.append(generateXml(o1, indent + 1));
+            ss.append(pad(indent)).append("</").append(k).append('>').append('\n');
+          }
+        }
+      }
+      return ss.toString();
+    }
+
+    return null;
+  }
+
+  private static String pad(int n)
+  {
+    String s = "";
+    for (int i = 0; i < n; i++)
+      s += '\t';
+    return s;
+  }
+}