commit da7e23759660ebf76a184e4c4d981f11ef9e2653
author Zhomart Mukhamejanov <zhomart@google.com> Tue May 01 12:50:55 2018 -0700
committer Zhomart Mukhamejanov <zhomart@google.com> Wed May 02 12:40:49 2018 -0700
tree 793aee240bbc3ec4ead128c39a7c25dfa475d078
parent cac3ec3513050b3835e059dd540cfad74a60e1c8

updater_sample: Add streaming to PayloadSpec

PayloadSpec
- add streaming generator and tests
- fix sample.json
- fix tests
- rename PackagePropertyFiles to PackageFiles, it has info
  not only about property files, and new name is shorter

Bug: 77148467
Test: `mmma -j bootable/recovery/updater_sample`
Change-Id: I9c1206c07c37183f13d3c25940f12981ca85b1b4
Signed-off-by: Zhomart Mukhamejanov <zhomart@google.com>

updater_sample/src/com/example/android/systemupdatersample/util/PayloadSpecs.java

diff --git a/updater_sample/src/com/example/android/systemupdatersample/util/PayloadSpecs.java b/updater_sample/src/com/example/android/systemupdatersample/util/PayloadSpecs.java
index 43c8d75..4db448a 100644
--- a/updater_sample/src/com/example/android/systemupdatersample/util/PayloadSpecs.java
+++ b/updater_sample/src/com/example/android/systemupdatersample/util/PayloadSpecs.java
@@ -16,9 +16,6 @@
 
 package com.example.android.systemupdatersample.util;
 
-import android.annotation.TargetApi;
-import android.os.Build;
-
 import com.example.android.systemupdatersample.PayloadSpec;
 
 import java.io.BufferedReader;
@@ -26,6 +23,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Enumeration;
@@ -34,7 +32,6 @@
 import java.util.zip.ZipFile;
 
 /** The helper class that creates {@link PayloadSpec}. */
-@TargetApi(Build.VERSION_CODES.N)
 public final class PayloadSpecs {
 
     /**
@@ -68,14 +65,14 @@
                 }
 
                 long length = entry.getCompressedSize();
-                if (PackagePropertyFiles.PAYLOAD_BINARY_FILE_NAME.equals(name)) {
+                if (PackageFiles.PAYLOAD_BINARY_FILE_NAME.equals(name)) {
                     if (entry.getMethod() != ZipEntry.STORED) {
                         throw new IOException("Invalid compression method.");
                     }
                     payloadFound = true;
                     payloadOffset = offset;
                     payloadSize = length;
-                } else if (PackagePropertyFiles.PAYLOAD_PROPERTIES_FILE_NAME.equals(name)) {
+                } else if (PackageFiles.PAYLOAD_PROPERTIES_FILE_NAME.equals(name)) {
                     InputStream inputStream = zip.getInputStream(entry);
                     if (inputStream != null) {
                         BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
@@ -101,6 +98,21 @@
     }
 
     /**
+     * Creates a {@link PayloadSpec} for streaming update.
+     */
+    public static PayloadSpec forStreaming(String updateUrl,
+                                           long offset,
+                                           long size,
+                                           File propertiesFile) throws IOException {
+        return PayloadSpec.newBuilder()
+                .url(updateUrl)
+                .offset(offset)
+                .size(size)
+                .properties(Files.readAllLines(propertiesFile.toPath()))
+                .build();
+    }
+
+    /**
      * Converts an {@link PayloadSpec} to a string.
      */
     public static String toString(PayloadSpec payloadSpec) {