Merge java_staging/src into java/src.

chrome/android/java_staging/src/org/chromium/chrome/browser/crash/CrashFileManager.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/crash/CrashFileManager.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/crash/CrashFileManager.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/crash/CrashFileManager.java
deleted file mode 100644
index f3f2ff75dd1a957e123c940e83f8ef338c88c821..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/crash/CrashFileManager.java
+++ /dev/null
@@ -1,202 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.crash;
-
-import android.util.Log;
-
-import org.chromium.base.VisibleForTesting;
-
-import java.io.File;
-import java.io.FilenameFilter;
-import java.util.Arrays;
-import java.util.Comparator;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-/**
- * Responsible for the Crash Report directory. It routinely scans the directory
- * for new Minidump files and takes appropriate actions by either uploading new
- * crash dumps or deleting old ones.
- */
-public class CrashFileManager {
-    private static final String TAG = "CrashFileManager";
-
-    @VisibleForTesting
-    static final String CRASH_DUMP_DIR = "Crash Reports";
-
-    // This should mirror the C++ CrashUploadList::kReporterLogFilename variable.
-    @VisibleForTesting
-    static final String CRASH_DUMP_LOGFILE = CRASH_DUMP_DIR + "/uploads.log";
-
-    private static final Pattern MINIDUMP_PATTERN =
-            Pattern.compile("\\.dmp([0-9]*)(.try[0-9])?\\z");
-
-    private static final Pattern UPLOADED_MINIDUMP_PATTERN = Pattern.compile("\\.up([0-9]*)\\z");
-
-    private static final String UPLOADED_MINIDUMP_SUFFIX = ".up";
-
-    private static final String UPLOAD_ATTEMPT_DELIMITER = ".try";
-
-    @VisibleForTesting
-    protected static final String TMP_SUFFIX = ".tmp";
-
-    private static final Pattern TMP_PATTERN = Pattern.compile("\\.tmp\\z");
-
-    private static Comparator<File> sFileComparator =  new Comparator<File>() {
-        @Override
-        public int compare(File lhs, File rhs) {
-            if (lhs == rhs) {
-                return 0;
-            } else if (lhs.lastModified() < rhs.lastModified()) {
-                return -1;
-            } else {
-                return 1;
-            }
-        }
-    };
-
-    @VisibleForTesting
-    static boolean deleteFile(File fileToDelete) {
-        boolean isSuccess = fileToDelete.delete();
-        if (!isSuccess) {
-            Log.w(TAG, "Unable to delete " + fileToDelete.getAbsolutePath());
-        }
-        return isSuccess;
-    }
-
-    public static String tryIncrementAttemptNumber(File mFileToUpload) {
-        String newName = incrementAttemptNumber(mFileToUpload.getPath());
-        return mFileToUpload.renameTo(new File(newName)) ? newName : null;
-    }
-
-    /**
-     * @return The file name to rename to after an addition attempt to upload
-     */
-    @VisibleForTesting
-    public static String incrementAttemptNumber(String filename) {
-        int numTried = readAttemptNumber(filename);
-        if (numTried > 0) {
-            int newCount = numTried + 1;
-            return filename.replaceAll(UPLOAD_ATTEMPT_DELIMITER + numTried,
-                    UPLOAD_ATTEMPT_DELIMITER + newCount);
-        } else {
-            return filename + UPLOAD_ATTEMPT_DELIMITER + "1";
-        }
-    }
-
-    @VisibleForTesting
-    public static int readAttemptNumber(String filename) {
-        int tryIndex = filename.lastIndexOf(UPLOAD_ATTEMPT_DELIMITER);
-        if (tryIndex >= 0) {
-            tryIndex += UPLOAD_ATTEMPT_DELIMITER.length();
-            // To avoid out of bound exceptions
-            if (tryIndex < filename.length()) {
-                // We don't try more than 3 times.
-                String numTriesString = filename.substring(
-                        tryIndex, tryIndex + 1);
-                try {
-                    return Integer.parseInt(numTriesString);
-                } catch (NumberFormatException ignored) {
-                    return 0;
-                }
-            }
-        }
-        return 0;
-    }
-
-    public static boolean tryMarkAsUploaded(File mFileToUpload) {
-        return mFileToUpload.renameTo(
-                new File(mFileToUpload.getPath().replaceAll(
-                        "\\.dmp", UPLOADED_MINIDUMP_SUFFIX)));
-    }
-
-    private final File mCacheDir;
-
-    public CrashFileManager(File cacheDir) {
-        if (cacheDir == null) {
-            throw new NullPointerException("Specified context cannot be null.");
-        } else if (!cacheDir.isDirectory()) {
-            throw new IllegalArgumentException(cacheDir.getAbsolutePath()
-                    + " is not a directory.");
-        }
-        mCacheDir = cacheDir;
-    }
-
-    public File[] getAllMinidumpFiles() {
-        return getMatchingFiles(MINIDUMP_PATTERN);
-    }
-
-    public File[] getAllMinidumpFilesSorted() {
-        File[] minidumps = getAllMinidumpFiles();
-        Arrays.sort(minidumps, sFileComparator);
-        return minidumps;
-    }
-
-    public void cleanOutAllNonFreshMinidumpFiles() {
-        for (File f : getAllUploadedFiles()) {
-            deleteFile(f);
-        }
-        for (File f : getAllTempFiles()) {
-            deleteFile(f);
-        }
-    }
-
-    /**
-     * Deletes all files including unsent crash reports.
-     * Note: This method is called from multiple threads, but it is not thread-safe. It will
-     * generate warning messages in logs if race condition occurs.
-     */
-    @VisibleForTesting
-    public void cleanAllMiniDumps() {
-        cleanOutAllNonFreshMinidumpFiles();
-
-        for (File f : getAllMinidumpFiles()) {
-            deleteFile(f);
-        }
-    }
-
-    @VisibleForTesting
-    File[] getMatchingFiles(final Pattern pattern) {
-        // Get dump dir and get all files with specified suffix.. The path
-        // constructed here must match chrome_paths.cc (see case
-        // chrome::DIR_CRASH_DUMPS).
-        File crashDir = getCrashDirectory();
-        if (!crashDir.exists()) {
-            Log.w(TAG, crashDir.getAbsolutePath() + " does not exist!");
-            return new File[] {};
-        }
-        if (!crashDir.isDirectory()) {
-            Log.w(TAG, crashDir.getAbsolutePath() + " is not a directory!");
-            return new File[] {};
-        }
-        File[] minidumps = crashDir.listFiles(new FilenameFilter() {
-            @Override
-            public boolean accept(File dir, String filename) {
-                Matcher match = pattern.matcher(filename);
-                int tries = readAttemptNumber(filename);
-                return match.find() && tries < MinidumpUploadService.MAX_TRIES_ALLOWED;
-            }
-        });
-        return minidumps;
-    }
-
-    @VisibleForTesting
-    File[] getAllUploadedFiles() {
-        return getMatchingFiles(UPLOADED_MINIDUMP_PATTERN);
-    }
-
-    @VisibleForTesting
-    File getCrashDirectory() {
-        return new File(mCacheDir, CRASH_DUMP_DIR);
-    }
-
-    File getCrashUploadLogFile() {
-        return new File(mCacheDir, CRASH_DUMP_LOGFILE);
-    }
-
-    private File[] getAllTempFiles() {
-        return getMatchingFiles(TMP_PATTERN);
-    }
-}