1 files changed, 58 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/ui/table/TableUtils.java b/framework/src/onos/core/api/src/main/java/org/onosproject/ui/table/TableUtils.java
new file mode 100644
index 00000000..eb2dff78
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/ui/table/TableUtils.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+package org.onosproject.ui.table;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * Provides static utility methods for dealing with tables.
+ */
+public final class TableUtils {
+
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+
+    // non-instantiable
+    private TableUtils() { }
+
+    /**
+     * Generates a JSON array node from a table model.
+     *
+     * @param tm the table model
+     * @return the array node representation
+     */
+    public static ArrayNode generateArrayNode(TableModel tm) {
+        ArrayNode array = MAPPER.createArrayNode();
+        for (TableModel.Row r : tm.getRows()) {
+            array.add(toJsonNode(r, tm));
+        }
+        return array;
+    }
+
+    private static JsonNode toJsonNode(TableModel.Row row, TableModel tm) {
+        ObjectNode result = MAPPER.createObjectNode();
+        String[] keys = tm.getColumnIds();
+        String[] cells = row.getAsFormattedStrings();
+        int n = keys.length;
+        for (int i = 0; i < n; i++) {
+            result.put(keys[i], cells[i]);
+        }
+        return result;
+    }
+}