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Posted to oak-commits@jackrabbit.apache.org by ch...@apache.org on 2017/07/21 05:24:13 UTC

svn commit: r1802543 - in /jackrabbit/oak/trunk/oak-store-spi/src: main/java/org/apache/jackrabbit/oak/json/JsonSerializer.java test/java/org/apache/jackrabbit/oak/json/JsonSerializerTest.java

Author: chetanm
Date: Fri Jul 21 05:24:13 2017
New Revision: 1802543

URL: http://svn.apache.org/viewvc?rev=1802543&view=rev
Log:
OAK-6476 - Support deserializing json as NodeState

Support emitting child nodes in the order of names as in ":childOrder"
property

Added:
    jackrabbit/oak/trunk/oak-store-spi/src/test/java/org/apache/jackrabbit/oak/json/JsonSerializerTest.java   (with props)
Modified:
    jackrabbit/oak/trunk/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/json/JsonSerializer.java

Modified: jackrabbit/oak/trunk/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/json/JsonSerializer.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/json/JsonSerializer.java?rev=1802543&r1=1802542&r2=1802543&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/json/JsonSerializer.java (original)
+++ jackrabbit/oak/trunk/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/json/JsonSerializer.java Fri Jul 21 05:24:13 2017
@@ -22,6 +22,7 @@ import static org.apache.jackrabbit.oak.
 import static org.apache.jackrabbit.oak.api.Type.BOOLEAN;
 import static org.apache.jackrabbit.oak.api.Type.DOUBLE;
 import static org.apache.jackrabbit.oak.api.Type.LONG;
+import static org.apache.jackrabbit.oak.api.Type.NAMES;
 import static org.apache.jackrabbit.oak.api.Type.STRING;
 
 import java.util.List;
@@ -29,11 +30,14 @@ import java.util.regex.Pattern;
 
 import javax.jcr.PropertyType;
 
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
 import org.apache.jackrabbit.oak.commons.json.JsopBuilder;
 import org.apache.jackrabbit.oak.api.Blob;
 import org.apache.jackrabbit.oak.api.PropertyState;
 import org.apache.jackrabbit.oak.api.Type;
 import org.apache.jackrabbit.oak.commons.json.JsopTokenizer;
+import org.apache.jackrabbit.oak.plugins.memory.MemoryChildNodeEntry;
 import org.apache.jackrabbit.oak.spi.state.ChildNodeEntry;
 import org.apache.jackrabbit.oak.spi.state.NodeState;
 
@@ -104,7 +108,7 @@ public class JsonSerializer {
 
         int index = 0;
         int count = 0;
-        for (ChildNodeEntry child : node.getChildNodeEntries()) {
+        for (ChildNodeEntry child : getChildNodeEntries(node)) {
             String name = child.getName();
             if (filter.includeNode(name) && index++ >= offset) {
                 if (count++ >= maxChildNodes) {
@@ -124,6 +128,19 @@ public class JsonSerializer {
         json.endObject();
     }
 
+    private Iterable<? extends ChildNodeEntry> getChildNodeEntries(NodeState node) {
+        PropertyState order = node.getProperty(":childOrder");
+        if (order != null) {
+            List<String> names = ImmutableList.copyOf(order.getValue(NAMES));
+            List<ChildNodeEntry> entries = Lists.newArrayListWithCapacity(names.size());
+            for (String name : names) {
+                entries.add(new MemoryChildNodeEntry(name, node.getChildNode(name)));
+            }
+            return entries;
+        }
+        return node.getChildNodeEntries();
+    }
+
     public void serialize(PropertyState property) {
         Type<?> type = property.getType();
         if (!type.isArray()) {

Added: jackrabbit/oak/trunk/oak-store-spi/src/test/java/org/apache/jackrabbit/oak/json/JsonSerializerTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-store-spi/src/test/java/org/apache/jackrabbit/oak/json/JsonSerializerTest.java?rev=1802543&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-store-spi/src/test/java/org/apache/jackrabbit/oak/json/JsonSerializerTest.java (added)
+++ jackrabbit/oak/trunk/oak-store-spi/src/test/java/org/apache/jackrabbit/oak/json/JsonSerializerTest.java Fri Jul 21 05:24:13 2017
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.jackrabbit.oak.json;
+
+import java.util.Arrays;
+import java.util.List;
+
+import com.google.common.collect.Lists;
+import org.apache.jackrabbit.JcrConstants;
+import org.apache.jackrabbit.oak.api.Tree;
+import org.apache.jackrabbit.oak.api.Type;
+import org.apache.jackrabbit.oak.commons.json.JsopBuilder;
+import org.apache.jackrabbit.oak.commons.json.JsopReader;
+import org.apache.jackrabbit.oak.commons.json.JsopTokenizer;
+import org.apache.jackrabbit.oak.plugins.memory.PropertyStates;
+import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
+import org.apache.jackrabbit.oak.spi.state.NodeState;
+import org.junit.Test;
+
+import static org.apache.jackrabbit.oak.plugins.memory.EmptyNodeState.EMPTY_NODE;
+import static org.junit.Assert.*;
+
+public class JsonSerializerTest {
+
+    @Test
+    public void childOrder() throws Exception{
+        NodeBuilder builder = EMPTY_NODE.builder();
+        builder.child("a");
+        builder.child("b");
+        builder.child("c");
+        List<String> expectedOrder = Arrays.asList("a", "c", "b");
+        builder.setProperty(":childOrder", expectedOrder, Type.NAMES);
+
+        NodeState state = builder.getNodeState();
+        String json = serialize(state);
+
+        JsopReader reader = new JsopTokenizer(json);
+        List<String> childNames = Lists.newArrayList();
+        reader.read('{');
+        do {
+            String key = reader.readString();
+            reader.read(':');
+            if (reader.matches('{')) {
+                childNames.add(key);
+                reader.matches('}');
+            }
+
+        } while (reader.matches(','));
+
+        assertEquals(expectedOrder, childNames);
+    }
+
+    private String serialize(NodeState nodeState){
+        JsopBuilder json = new JsopBuilder();
+        new JsonSerializer(json, "{\"properties\":[\"*\", \"-:*\"]}", new BlobSerializer()).serialize(nodeState);
+        return json.toString();
+    }
+}
\ No newline at end of file

Propchange: jackrabbit/oak/trunk/oak-store-spi/src/test/java/org/apache/jackrabbit/oak/json/JsonSerializerTest.java
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