X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.document.server.io%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Fserver%2Fio%2FJSONObjectUtils.java;fp=bundles%2Forg.simantics.document.server.io%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Fserver%2Fio%2FJSONObjectUtils.java;h=558ee320459e519823852eac43d654763e90906f;hp=8913645a9946c3f4884fd4e8c5ae9f028afaea1a;hb=a0e3814041d624e3d72c21210d188e56439757aa;hpb=49178b3ca3e43a700298124de4adb7305c7092b7

diff --git a/bundles/org.simantics.document.server.io/src/org/simantics/document/server/io/JSONObjectUtils.java b/bundles/org.simantics.document.server.io/src/org/simantics/document/server/io/JSONObjectUtils.java
index 8913645a9..558ee3204 100644
--- a/bundles/org.simantics.document.server.io/src/org/simantics/document/server/io/JSONObjectUtils.java
+++ b/bundles/org.simantics.document.server.io/src/org/simantics/document/server/io/JSONObjectUtils.java
@@ -13,6 +13,7 @@
 package org.simantics.document.server.io;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
@@ -343,4 +344,72 @@ public class JSONObjectUtils {
         else
             return Collections.<IListItem>emptyList();
     }
+    
+    @SuppressWarnings("unchecked")
+    public static Collection<ITreeTableCell> getTreeTableCell(IJSONObject object) {
+        try {
+            Object treeTableCells = object.getValue("tableCells");
+            if (treeTableCells instanceof String) {
+                String tableCellsS = (String) treeTableCells;
+                if (tableCellsS.length() == 0)
+                    return Collections.emptyList();
+            }
+            if (treeTableCells != null) {
+                return (List<ITreeTableCell>) treeTableCells;
+            } else {
+                return Collections.emptyList();
+            }
+        } catch (ClassCastException e) {
+            e.printStackTrace();
+        }
+        return Collections.emptyList();
+    }
+
+    public static final boolean equalObjects(Object oldValue, Object newValue) {
+    	if (newValue != null) {
+    		if (newValue.getClass().isArray()) {
+    			return arrayEquals(newValue, oldValue);
+    		} else {
+    			return newValue.equals(oldValue);
+    		}
+    	} else
+    		return oldValue == null;
+    }
+
+    
+	/**
+	 * @param av1 an array (guaranteed)
+	 * @param av2 any object
+	 * @return <code>true</code> if the two arrays are equal
+	 */
+	private static final boolean arrayEquals(Object av1, Object av2) {
+		if (av2 == null)
+			return false;
+		Class<?> c1 = av1.getClass().getComponentType();
+		Class<?> c2 = av2.getClass().getComponentType();
+		if (c2 == null || !c1.equals(c2))
+			return false;
+		boolean p1 = c1.isPrimitive();
+		boolean p2 = c2.isPrimitive();
+		if (p1 != p2)
+			return false;
+		if (!p1)
+			return Arrays.equals((Object[]) av1, (Object[]) av2);
+		if (boolean.class.equals(c1))
+			return Arrays.equals((boolean[]) av1, (boolean[]) av2);
+		else if (byte.class.equals(c1))
+			return Arrays.equals((byte[]) av1, (byte[]) av2);
+		else if (int.class.equals(c1))
+			return Arrays.equals((int[]) av1, (int[]) av2);
+		else if (long.class.equals(c1))
+			return Arrays.equals((long[]) av1, (long[]) av2);
+		else if (float.class.equals(c1))
+			return Arrays.equals((float[]) av1, (float[]) av2);
+		else if (double.class.equals(c1))
+			return Arrays.equals((double[]) av1, (double[]) av2);
+		throw new RuntimeException("Unsupported objects for equality testing ." + av1 + " vs. " + av2);
+		
+	}
+    
+    
 }