Squashed 'third_party/flatbuffers/' content from commit acc9990ab
Change-Id: I48550d40d78fea996ebe74e9723a5d1f910de491
git-subtree-dir: third_party/flatbuffers
git-subtree-split: acc9990abd2206491480291b0f85f925110102ea
diff --git a/samples/SampleBinary.java b/samples/SampleBinary.java
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+/*
+ * Copyright 2015 Google Inc. 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.
+ */
+
+// Run this file with the `java_sample.sh` script.
+
+import MyGame.Sample.Color;
+import MyGame.Sample.Equipment;
+import MyGame.Sample.Monster;
+import MyGame.Sample.Vec3;
+import MyGame.Sample.Weapon;
+
+import com.google.flatbuffers.FlatBufferBuilder;
+
+import java.nio.ByteBuffer;
+
+class SampleBinary {
+ // Example how to use FlatBuffers to create and read binary buffers.
+ public static void main(String[] args) {
+ FlatBufferBuilder builder = new FlatBufferBuilder(0);
+
+ // Create some weapons for our Monster ('Sword' and 'Axe').
+ int weaponOneName = builder.createString("Sword");
+ short weaponOneDamage = 3;
+ int weaponTwoName = builder.createString("Axe");
+ short weaponTwoDamage = 5;
+
+ // Use the `createWeapon()` helper function to create the weapons, since we set every field.
+ int[] weaps = new int[2];
+ weaps[0] = Weapon.createWeapon(builder, weaponOneName, weaponOneDamage);
+ weaps[1] = Weapon.createWeapon(builder, weaponTwoName, weaponTwoDamage);
+
+ // Serialize the FlatBuffer data.
+ int name = builder.createString("Orc");
+ byte[] treasure = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+ int inv = Monster.createInventoryVector(builder, treasure);
+ int weapons = Monster.createWeaponsVector(builder, weaps);
+ int pos = Vec3.createVec3(builder, 1.0f, 2.0f, 3.0f);
+
+ Monster.startMonster(builder);
+ Monster.addPos(builder, pos);
+ Monster.addName(builder, name);
+ Monster.addColor(builder, Color.Red);
+ Monster.addHp(builder, (short)300);
+ Monster.addInventory(builder, inv);
+ Monster.addWeapons(builder, weapons);
+ Monster.addEquippedType(builder, Equipment.Weapon);
+ Monster.addEquipped(builder, weaps[1]);
+ int orc = Monster.endMonster(builder);
+
+ builder.finish(orc); // You could also call `Monster.finishMonsterBuffer(builder, orc);`.
+
+ // We now have a FlatBuffer that can be stored on disk or sent over a network.
+
+ // ...Code to store to disk or send over a network goes here...
+
+ // Instead, we are going to access it right away, as if we just received it.
+
+ ByteBuffer buf = builder.dataBuffer();
+
+ // Get access to the root:
+ Monster monster = Monster.getRootAsMonster(buf);
+
+ // Note: We did not set the `mana` field explicitly, so we get back the default value.
+ assert monster.mana() == (short)150;
+ assert monster.hp() == (short)300;
+ assert monster.name().equals("Orc");
+ assert monster.color() == Color.Red;
+ assert monster.pos().x() == 1.0f;
+ assert monster.pos().y() == 2.0f;
+ assert monster.pos().z() == 3.0f;
+
+ // Get and test the `inventory` FlatBuffer `vector`.
+ for (int i = 0; i < monster.inventoryLength(); i++) {
+ assert monster.inventory(i) == (byte)i;
+ }
+
+ // Get and test the `weapons` FlatBuffer `vector` of `table`s.
+ String[] expectedWeaponNames = {"Sword", "Axe"};
+ int[] expectedWeaponDamages = {3, 5};
+ for (int i = 0; i < monster.weaponsLength(); i++) {
+ assert monster.weapons(i).name().equals(expectedWeaponNames[i]);
+ assert monster.weapons(i).damage() == expectedWeaponDamages[i];
+ }
+
+ // Get and test the `equipped` FlatBuffer `union`.
+ assert monster.equippedType() == Equipment.Weapon;
+ Weapon equipped = (Weapon)monster.equipped(new Weapon());
+ assert equipped.name().equals("Axe");
+ assert equipped.damage() == 5;
+
+ System.out.println("The FlatBuffer was successfully created and verified!");
+ }
+}