Remove researcher logger

This CL must be checked in together with I5cc76807e3.

Bug: 15318007
Change-Id: I61423c3377ddc299fb332e742d6626c2e47145bb

1 files changed, 0 insertions, 113 deletions

diff --git a/java/src/com/android/inputmethod/research/ResearchLogDirectory.java b/java/src/com/android/inputmethod/research/ResearchLogDirectory.java
deleted file mode 100644
index d156068d6..000000000
--- a/java/src/com/android/inputmethod/research/ResearchLogDirectory.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (C) 2013 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.android.inputmethod.research;
-
-import android.content.Context;
-import android.util.Log;
-
-import java.io.File;
-import java.io.FileFilter;
-
-/**
- * Manages log files.
- *
- * This class handles all aspects where and how research log data is stored.  This includes
- * generating log filenames in the correct place with the correct names, and cleaning up log files
- * under this directory.
- */
-public class ResearchLogDirectory {
-    public static final String TAG = ResearchLogDirectory.class.getSimpleName();
-    /* package */ static final String LOG_FILENAME_PREFIX = "researchLog";
-    private static final String FILENAME_SUFFIX = ".txt";
-    private static final String USER_RECORDING_FILENAME_PREFIX = "recording";
-
-    private static final ReadOnlyLogFileFilter sUploadableLogFileFilter =
-            new ReadOnlyLogFileFilter();
-
-    private final File mFilesDir;
-
-    static class ReadOnlyLogFileFilter implements FileFilter {
-        @Override
-        public boolean accept(final File pathname) {
-            return pathname.getName().startsWith(ResearchLogDirectory.LOG_FILENAME_PREFIX)
-                    && !pathname.canWrite();
-        }
-    }
-
-    /**
-     * Creates a new ResearchLogDirectory, creating the storage directory if it does not exist.
-     */
-    public ResearchLogDirectory(final Context context) {
-        mFilesDir = getLoggingDirectory(context);
-        if (mFilesDir == null) {
-            throw new NullPointerException("No files directory specified");
-        }
-        if (!mFilesDir.exists()) {
-            mFilesDir.mkdirs();
-        }
-    }
-
-    private File getLoggingDirectory(final Context context) {
-        // TODO: Switch to using a subdirectory of getFilesDir().
-        return context.getFilesDir();
-    }
-
-    /**
-     * Get an array of log files that are ready for uploading.
-     *
-     * A file is ready for uploading if it is marked as read-only.
-     *
-     * @return the array of uploadable files
-     */
-    public File[] getUploadableLogFiles() {
-        try {
-            return mFilesDir.listFiles(sUploadableLogFileFilter);
-        } catch (final SecurityException e) {
-            Log.e(TAG, "Could not cleanup log directory, permission denied", e);
-            return new File[0];
-        }
-    }
-
-    public void cleanupLogFilesOlderThan(final long time) {
-        try {
-            for (final File file : mFilesDir.listFiles()) {
-                final String filename = file.getName();
-                if ((filename.startsWith(LOG_FILENAME_PREFIX)
-                        || filename.startsWith(USER_RECORDING_FILENAME_PREFIX))
-                        && (file.lastModified() < time)) {
-                    file.delete();
-                }
-            }
-        } catch (final SecurityException e) {
-            Log.e(TAG, "Could not cleanup log directory, permission denied", e);
-        }
-    }
-
-    public File getLogFilePath(final long time, final long nanoTime) {
-        return new File(mFilesDir, getUniqueFilename(LOG_FILENAME_PREFIX, time, nanoTime));
-    }
-
-    public File getUserRecordingFilePath(final long time, final long nanoTime) {
-        return new File(mFilesDir, getUniqueFilename(USER_RECORDING_FILENAME_PREFIX, time,
-                nanoTime));
-    }
-
-    private static String getUniqueFilename(final String prefix, final long time,
-            final long nanoTime) {
-        return prefix + "-" + time + "-" + nanoTime + FILENAME_SUFFIX;
-    }
-}