Examples with RealmFileException io.realm.exceptions.RealmFileException used on opensource projects

Example 1 with RealmFileException

use of io.realm.exceptions.RealmFileException in project realm-java by realm.

the class RealmTests method getInstance_writeProtectedFile.

@Test
public void getInstance_writeProtectedFile() throws IOException {
    String REALM_FILE = "readonly.realm";
    File folder = configFactory.getRoot();
    File realmFile = new File(folder, REALM_FILE);
    assertFalse(realmFile.exists());
    assertTrue(realmFile.createNewFile());
    assertTrue(realmFile.setWritable(false));
    try {
        Realm.getInstance(new RealmConfiguration.Builder(InstrumentationRegistry.getTargetContext()).directory(folder).name(REALM_FILE).build());
    } catch (RealmFileException expected) {
        assertEquals(expected.getKind(), RealmFileException.Kind.PERMISSION_DENIED);
    }
}

Example 2 with RealmFileException

use of io.realm.exceptions.RealmFileException in project realm-java by realm.

the class RealmInMemoryTest method writeCopyTo.

// Tests if an in-memory Realm can be written to disk with/without encryption.
@Test
public void writeCopyTo() {
    byte[] key = TestHelper.getRandomKey();
    String fileName = IDENTIFIER + ".realm";
    String encFileName = IDENTIFIER + ".enc.realm";
    RealmConfiguration conf = configFactory.createConfigurationBuilder().name(fileName).build();
    RealmConfiguration encConf = configFactory.createConfigurationBuilder().name(encFileName).encryptionKey(key).build();
    Realm.deleteRealm(conf);
    Realm.deleteRealm(encConf);
    testRealm.beginTransaction();
    Dog dog = testRealm.createObject(Dog.class);
    dog.setName("DinoDog");
    testRealm.commitTransaction();
    // Tests a normal Realm file.
    testRealm.writeCopyTo(new File(configFactory.getRoot(), fileName));
    Realm onDiskRealm = Realm.getInstance(conf);
    assertEquals(onDiskRealm.where(Dog.class).count(), 1);
    onDiskRealm.close();
    // Tests a encrypted Realm file.
    testRealm.writeEncryptedCopyTo(new File(configFactory.getRoot(), encFileName), key);
    onDiskRealm = Realm.getInstance(encConf);
    assertEquals(onDiskRealm.where(Dog.class).count(), 1);
    onDiskRealm.close();
    // Tests with a wrong key to see if it fails as expected.
    try {
        RealmConfiguration wrongKeyConf = configFactory.createConfigurationBuilder().name(encFileName).encryptionKey(TestHelper.getRandomKey(42)).build();
        Realm.getInstance(wrongKeyConf);
        fail("Realm.getInstance should fail with RealmFileException");
    } catch (RealmFileException expected) {
        assertEquals(expected.getKind(), RealmFileException.Kind.ACCESS_ERROR);
    }
}

Example 3 with RealmFileException

use of io.realm.exceptions.RealmFileException in project realm-java by realm.

the class RealmCache method copyAssetFileIfNeeded.

/**
     * Copies Realm database file from Android asset directory to the directory given in the {@link RealmConfiguration}.
     * Copy is performed only at the first time when there is no Realm database file.
     *
     * @param configuration configuration object for Realm instance.
     * @throws RealmFileException if copying the file fails.
     */
private static void copyAssetFileIfNeeded(RealmConfiguration configuration) {
    IOException exceptionWhenClose = null;
    if (configuration.hasAssetFile()) {
        File realmFile = new File(configuration.getRealmDirectory(), configuration.getRealmFileName());
        if (realmFile.exists()) {
            return;
        }
        InputStream inputStream = null;
        FileOutputStream outputStream = null;
        try {
            inputStream = configuration.getAssetFile();
            if (inputStream == null) {
                throw new RealmFileException(RealmFileException.Kind.ACCESS_ERROR, "Invalid input stream to asset file.");
            }
            outputStream = new FileOutputStream(realmFile);
            byte[] buf = new byte[4096];
            int bytesRead;
            while ((bytesRead = inputStream.read(buf)) > -1) {
                outputStream.write(buf, 0, bytesRead);
            }
        } catch (IOException e) {
            throw new RealmFileException(RealmFileException.Kind.ACCESS_ERROR, "Could not resolve the path to the Realm asset file.", e);
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    exceptionWhenClose = e;
                }
            }
            if (outputStream != null) {
                try {
                    outputStream.close();
                } catch (IOException e) {
                    // Ignores this one if there was an exception when close inputStream.
                    if (exceptionWhenClose == null) {
                        exceptionWhenClose = e;
                    }
                }
            }
        }
        // No other exception has been thrown, only the exception when close. So, throw it.
        if (exceptionWhenClose != null) {
            throw new RealmFileException(RealmFileException.Kind.ACCESS_ERROR, exceptionWhenClose);
        }
    }
}

Example 4 with RealmFileException

use of io.realm.exceptions.RealmFileException in project realm-java by realm.

the class RealmTests method getInstance_writeProtectedFileWithContext.

@Test
public void getInstance_writeProtectedFileWithContext() throws IOException {
    String REALM_FILE = "readonly.realm";
    File folder = configFactory.getRoot();
    File realmFile = new File(folder, REALM_FILE);
    assertFalse(realmFile.exists());
    assertTrue(realmFile.createNewFile());
    assertTrue(realmFile.setWritable(false));
    try {
        Realm.getInstance(new RealmConfiguration.Builder(context).directory(folder).name(REALM_FILE).build());
    } catch (RealmFileException expected) {
        assertEquals(expected.getKind(), RealmFileException.Kind.PERMISSION_DENIED);
    }
}