Initial factory constructors for generated objects in Java server.

editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Occurrences.java

Index: editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Occurrences.java
diff --git a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Occurrences.java b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Occurrences.java
index 786df50d108bf1eea7acb32c0054a7cd80ff9629..17ebdfc9b52769e7497fb391526041defe4c75ae 100644
--- a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Occurrences.java
+++ b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Occurrences.java
@@ -19,10 +19,15 @@ package com.google.dart.server.generated.types;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import com.google.common.collect.Lists;
+import com.google.dart.server.utilities.general.JsonUtilities;
 import com.google.dart.server.utilities.general.ObjectUtilities;
 import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonPrimitive;
+import java.util.ArrayList;
+import java.util.Iterator;
 import org.apache.commons.lang3.StringUtils;
 
 /**
@@ -33,11 +38,10 @@ import org.apache.commons.lang3.StringUtils;
 @SuppressWarnings("unused")
 public class Occurrences {
 
-  /**
-   * An empty array of {@link Occurrences}s.
-   */
   public static final Occurrences[] EMPTY_ARRAY = new Occurrences[0];
 
+  public static final List<Occurrences> EMPTY_LIST = Lists.newArrayList();
+
   /**
    * The element that was referenced.
    */
@@ -74,6 +78,25 @@ public class Occurrences {
     return false;
   }
 
+  public static Occurrences fromJson(JsonObject jsonObject) {
+    Element element = Element.fromJson(jsonObject.get("element").getAsJsonObject());
+    Integer[] offsets = JsonUtilities.decodeIntegerArray(jsonObject.get("offsets").getAsJsonArray());
+    Integer length = jsonObject.get("length").getAsInt();
+    return new Occurrences(element, offsets, length);
+  }
+
+  public static List<Occurrences> fromJsonArray(JsonArray jsonArray) {
+    if (jsonArray == null) {
+      return EMPTY_LIST;
+    }
+    ArrayList<Occurrences> list = new ArrayList<Occurrences>(jsonArray.size());
+    Iterator<JsonElement> iterator = jsonArray.iterator();
+    while (iterator.hasNext()) {
+      list.add(fromJson(iterator.next().getAsJsonObject()));
+    }
+    return list;
+  }
+
   /**
    * The element that was referenced.
    */