Merge "PackageManagerService: Change getCompressedFiles to reflect the new layout." into oc-mr1-dev (51432796) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/PackageManagerService.java

+39 −3

Original line number	Diff line number	Diff line
		@@ -456,6 +456,8 @@ public class PackageManagerService extends IPackageManager.Stub
		private static final String STATIC_SHARED_LIB_DELIMITER = "_";
		/** Extension of the compressed packages */
		private final static String COMPRESSED_EXTENSION = ".gz";
		/** Suffix of stub packages on the system partition */
		private final static String STUB_SUFFIX = "-Stub";

		private static final int[] EMPTY_INT_ARRAY = new int[0];

		@@ -3191,12 +3193,46 @@ public class PackageManagerService extends IPackageManager.Stub
		}

		private File[] getCompressedFiles(String codePath) {
		return new File(codePath).listFiles(new FilenameFilter() {
		final File stubCodePath = new File(codePath);
		final String stubName = stubCodePath.getName();

		// The layout of a compressed package on a given partition is as follows :
		//
		// Compressed artifacts:
		//
		// /partition/ModuleName/foo.gz
		// /partation/ModuleName/bar.gz
		//
		// Stub artifact:
		//
		// /partition/ModuleName-Stub/ModuleName-Stub.apk
		//
		// In other words, stub is on the same partition as the compressed artifacts
		// and in a directory that's suffixed with "-Stub".
		int idx = stubName.lastIndexOf(STUB_SUFFIX);
		if (idx < 0 \|\| (stubName.length() != (idx + STUB_SUFFIX.length()))) {
		return null;
		}

		final File stubParentDir = stubCodePath.getParentFile();
		if (stubParentDir == null) {
		Slog.e(TAG, "Unable to determine stub parent dir for codePath: " + codePath);
		return null;
		}

		final File compressedPath = new File(stubParentDir, stubName.substring(0, idx));
		final File[] files = compressedPath.listFiles(new FilenameFilter() {
		@Override
		public boolean accept(File dir, String name) {
		return name.toLowerCase().endsWith(COMPRESSED_EXTENSION);
		}
		});

		if (DEBUG_COMPRESSION && files != null && files.length > 0) {
		Slog.i(TAG, "getCompressedFiles[" + codePath + "]: " + Arrays.toString(files));
		}

		return files;
		}

		private boolean compressedFileExists(String codePath) {
		@@ -3213,7 +3249,7 @@ public class PackageManagerService extends IPackageManager.Stub
		final File[] compressedFiles = getCompressedFiles(pkg.codePath);
		if (compressedFiles == null \|\| compressedFiles.length == 0) {
		if (DEBUG_COMPRESSION) {
		Slog.i(TAG, "No files to decompress");
		Slog.i(TAG, "No files to decompress: " + pkg.baseCodePath);
		}
		return null;
		}
		@@ -11079,7 +11115,7 @@ public class PackageManagerService extends IPackageManager.Stub
		r.info.encryptionAware = r.info.directBootAware = true;
		}
		}
		if (compressedFileExists(pkg.baseCodePath)) {
		if (compressedFileExists(pkg.codePath)) {
		pkg.isStub = true;
		}
		} else {