1 files changed, 0 insertions, 117 deletions

diff --git a/sample_updater/src/com/example/android/systemupdatersample/util/PayloadSpecs.java b/sample_updater/src/com/example/android/systemupdatersample/util/PayloadSpecs.java
deleted file mode 100644
index 43c8d75e2..000000000
--- a/sample_updater/src/com/example/android/systemupdatersample/util/PayloadSpecs.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * 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.
- */
-
-package com.example.android.systemupdatersample.util;
-
-import android.annotation.TargetApi;
-import android.os.Build;
-
-import com.example.android.systemupdatersample.PayloadSpec;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Enumeration;
-import java.util.List;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipFile;
-
-/** The helper class that creates {@link PayloadSpec}. */
-@TargetApi(Build.VERSION_CODES.N)
-public final class PayloadSpecs {
-
-    /**
-     * The payload PAYLOAD_ENTRY is stored in the zip package to comply with the Android OTA package
-     * format. We want to find out the offset of the entry, so that we can pass it over to the A/B
-     * updater without making an extra copy of the payload.
-     *
-     * <p>According to Android docs, the entries are listed in the order in which they appear in the
-     * zip file. So we enumerate the entries to identify the offset of the payload file.
-     * http://developer.android.com/reference/java/util/zip/ZipFile.html#entries()
-     */
-    public static PayloadSpec forNonStreaming(File packageFile) throws IOException {
-        boolean payloadFound = false;
-        long payloadOffset = 0;
-        long payloadSize = 0;
-
-        List<String> properties = new ArrayList<>();
-        try (ZipFile zip = new ZipFile(packageFile)) {
-            Enumeration<? extends ZipEntry> entries = zip.entries();
-            long offset = 0;
-            while (entries.hasMoreElements()) {
-                ZipEntry entry = entries.nextElement();
-                String name = entry.getName();
-                // Zip local file header has 30 bytes + filename + sizeof extra field.
-                // https://en.wikipedia.org/wiki/Zip_(file_format)
-                long extraSize = entry.getExtra() == null ? 0 : entry.getExtra().length;
-                offset += 30 + name.length() + extraSize;
-
-                if (entry.isDirectory()) {
-                    continue;
-                }
-
-                long length = entry.getCompressedSize();
-                if (PackagePropertyFiles.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)) {
-                    InputStream inputStream = zip.getInputStream(entry);
-                    if (inputStream != null) {
-                        BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
-                        String line;
-                        while ((line = br.readLine()) != null) {
-                            properties.add(line);
-                        }
-                    }
-                }
-                offset += length;
-            }
-        }
-
-        if (!payloadFound) {
-            throw new IOException("Failed to find payload entry in the given package.");
-        }
-        return PayloadSpec.newBuilder()
-                        .url("file://" + packageFile.getAbsolutePath())
-                        .offset(payloadOffset)
-                        .size(payloadSize)
-                        .properties(properties)
-                        .build();
-    }
-
-    /**
-     * Converts an {@link PayloadSpec} to a string.
-     */
-    public static String toString(PayloadSpec payloadSpec) {
-        return "<PayloadSpec url=" + payloadSpec.getUrl()
-                + ", offset=" + payloadSpec.getOffset()
-                + ", size=" + payloadSpec.getSize()
-                + ", properties=" + Arrays.toString(
-                        payloadSpec.getProperties().toArray(new String[0]))
-                + ">";
-    }
-
-    private PayloadSpecs() {}
-
-}