| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package org.mozc.android.inputmethod.japanese.session; |
| |
| import org.mozc.android.inputmethod.japanese.MozcLog; |
| import org.mozc.android.inputmethod.japanese.protobuf.ProtoCommands.Command; |
| import org.mozc.android.inputmethod.japanese.util.ZipFileUtil; |
| import com.google.common.base.Preconditions; |
| import com.google.protobuf.InvalidProtocolBufferException; |
| |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.Buffer; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import java.util.zip.ZipFile; |
| |
| /** |
| * Concrete SessionHandler. Calls JNI. |
| * |
| */ |
| class LocalSessionHandler implements SessionHandler { |
| |
| private static final String USER_PROFILE_DIRECTORY_NAME = ".mozc"; |
| // The file name of the system dictionary and connection data file in the apk. |
| // This is determined in build.xml. |
| // ".imy" extentions expects the the entry is uncompressed. |
| private static final String DICTIONARY_FILE_NAME = "assets/system.dictionary.imy"; |
| private static final String CONNECTION_DATA_FILE_NAME = "assets/connection.data.imy"; |
| |
| @Override |
| public void initialize(Context context) { |
| try { |
| ApplicationInfo info = Preconditions.checkNotNull(context).getApplicationInfo(); |
| |
| // Ensure the user profile directory exists. |
| File userProfileDirectory = new File(info.dataDir, USER_PROFILE_DIRECTORY_NAME); |
| if (!userProfileDirectory.exists()) { |
| // No profile directory is found. Create the one. |
| if (!userProfileDirectory.mkdirs()) { |
| // Failed to create a directory. The mozc conversion engine will be able to run |
| // even in this case, but no persistent data (e.g. user history, user dictionary) |
| // will be stored, so some fuctions using them won't work well. |
| MozcLog.e( |
| "Failed to create user profile directory: " + userProfileDirectory.getAbsolutePath()); |
| } |
| } |
| |
| // Get buffers for the dictionary from the raw .apk file. |
| ZipFile zipfile = new ZipFile(info.sourceDir); |
| Buffer dictionaryBuffer = |
| ZipFileUtil.getBuffer(zipfile, DICTIONARY_FILE_NAME); |
| Buffer connectionDataBuffer = |
| ZipFileUtil.getBuffer(zipfile, CONNECTION_DATA_FILE_NAME); |
| |
| // Get Java package's version name, to check the version consistency with libmozc.so |
| // Note that obtained version name is suffixed by android architecture (e.g., -arm). |
| String versionName = |
| context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName; |
| Matcher matcher = Pattern.compile("^(\\d+\\.\\d+\\.\\d+\\.\\d+)-\\w+$").matcher(versionName); |
| if (!matcher.matches()) { |
| throw new RuntimeException("Invalid version name: " + versionName); |
| } |
| |
| // Load the shared object. |
| MozcJNI.load(userProfileDirectory.getAbsolutePath(), |
| dictionaryBuffer, connectionDataBuffer, matcher.group(1)); |
| } catch (IOException e) { |
| MozcLog.e("Failed to load system dictionary.", e); |
| throw new RuntimeException(e); |
| } catch (NameNotFoundException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public Command evalCommand(Command command) { |
| byte[] inBytes = Preconditions.checkNotNull(command).toByteArray(); |
| byte[] outBytes = null; |
| outBytes = MozcJNI.evalCommand(inBytes); |
| try { |
| return Command.parseFrom(outBytes); |
| } catch (InvalidProtocolBufferException e) { |
| MozcLog.w("InvalidProtocolBufferException is thrown." |
| + "We can do nothing so just return default instance."); |
| MozcLog.w(e.toString()); |
| return Command.getDefaultInstance(); |
| } |
| } |
| } |