Organised imports

src/main/java/com/hierynomus/sshj/backport/Jdk7HttpProxySocket.java

@@ -15,12 +15,12 @@
  */
 package com.hierynomus.sshj.backport;
 
+import net.schmizz.sshj.common.IOUtils;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.*;
 
-import net.schmizz.sshj.common.IOUtils;
-
 public class Jdk7HttpProxySocket extends Socket {
 
     private Proxy httpProxy = null;

src/main/java/com/hierynomus/sshj/transport/kex/DHGroups.java

@@ -15,14 +15,15 @@
  */
 package com.hierynomus.sshj.transport.kex;
 
-import net.schmizz.sshj.transport.digest.*;
+import net.schmizz.sshj.transport.digest.Digest;
+import net.schmizz.sshj.transport.digest.SHA1;
+import net.schmizz.sshj.transport.digest.SHA256;
+import net.schmizz.sshj.transport.digest.SHA512;
 import net.schmizz.sshj.transport.kex.KeyExchange;
 
 import java.math.BigInteger;
 
 import static net.schmizz.sshj.transport.kex.DHGroupData.*;
-import static net.schmizz.sshj.transport.kex.DHGroupData.P16;
-import static net.schmizz.sshj.transport.kex.DHGroupData.P18;
 
 /**
  * Factory methods for Diffie Hellmann KEX algorithms based on MODP groups / Oakley Groups

src/main/java/com/hierynomus/sshj/userauth/keyprovider/OpenSSHKeyV1KeyFile.java

@@ -15,14 +15,6 @@
  */
 package com.hierynomus.sshj.userauth.keyprovider;
 
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.security.GeneralSecurityException;
-import java.security.KeyPair;
-import java.security.PublicKey;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import net.i2p.crypto.eddsa.EdDSAPrivateKey;
 import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
 import net.i2p.crypto.eddsa.spec.EdDSAPrivateKeySpec;
@@ -31,6 +23,14 @@ import net.schmizz.sshj.common.Buffer.PlainBuffer;
 import net.schmizz.sshj.userauth.keyprovider.BaseFileKeyProvider;
 import net.schmizz.sshj.userauth.keyprovider.FileKeyProvider;
 import net.schmizz.sshj.userauth.keyprovider.KeyFormat;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.security.GeneralSecurityException;
+import java.security.KeyPair;
+import java.security.PublicKey;
 
 import static net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable.CURVE_ED25519_SHA512;
 

src/main/java/net/schmizz/concurrent/Event.java

@@ -15,11 +15,11 @@
  */
 package net.schmizz.concurrent;
 
+import net.schmizz.sshj.common.LoggerFactory;
+
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantLock;
 
-import net.schmizz.sshj.common.LoggerFactory;
-
 /**
  * An event can be set, cleared, or awaited, similar to Python's {@code threading.event}. The key difference is that a
  * waiter may be delivered an exception of parameterized type {@code T}.

src/main/java/net/schmizz/concurrent/Promise.java

@@ -15,6 +15,7 @@
  */
 package net.schmizz.concurrent;
 
+import net.schmizz.sshj.common.LoggerFactory;
 import org.slf4j.Logger;
 
 import java.util.concurrent.TimeUnit;
@@ -22,8 +23,6 @@ import java.util.concurrent.TimeoutException;
 import java.util.concurrent.locks.Condition;
 import java.util.concurrent.locks.ReentrantLock;
 
-import net.schmizz.sshj.common.LoggerFactory;
-
 /**
  * Represents promised data of the parameterized type {@code V} and allows waiting on it. An exception may also be
  * delivered to a waiter, and will be of the parameterized type {@code T}.

src/main/java/net/schmizz/sshj/ConfigImpl.java

@@ -16,8 +16,8 @@
 package net.schmizz.sshj;
 
 import net.schmizz.keepalive.KeepAliveProvider;
-import net.schmizz.sshj.common.LoggerFactory;
 import net.schmizz.sshj.common.Factory;
+import net.schmizz.sshj.common.LoggerFactory;
 import net.schmizz.sshj.signature.Signature;
 import net.schmizz.sshj.transport.cipher.Cipher;
 import net.schmizz.sshj.transport.compression.Compression;

src/main/java/net/schmizz/sshj/DefaultConfig.java

@@ -15,22 +15,12 @@
  */
 package net.schmizz.sshj;
 
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Properties;
-
-import org.slf4j.Logger;
-
 import com.hierynomus.sshj.signature.SignatureEdDSA;
 import com.hierynomus.sshj.transport.cipher.BlockCiphers;
 import com.hierynomus.sshj.transport.cipher.StreamCiphers;
 import com.hierynomus.sshj.transport.kex.DHGroups;
 import com.hierynomus.sshj.transport.kex.ExtendedDHGroups;
 import com.hierynomus.sshj.userauth.keyprovider.OpenSSHKeyV1KeyFile;
-
 import net.schmizz.keepalive.KeepAliveProvider;
 import net.schmizz.sshj.common.Factory;
 import net.schmizz.sshj.common.LoggerFactory;
@@ -38,26 +28,13 @@ import net.schmizz.sshj.common.SecurityUtils;
 import net.schmizz.sshj.signature.SignatureDSA;
 import net.schmizz.sshj.signature.SignatureECDSA;
 import net.schmizz.sshj.signature.SignatureRSA;
-import net.schmizz.sshj.transport.cipher.AES128CBC;
-import net.schmizz.sshj.transport.cipher.AES128CTR;
-import net.schmizz.sshj.transport.cipher.AES192CBC;
-import net.schmizz.sshj.transport.cipher.AES192CTR;
-import net.schmizz.sshj.transport.cipher.AES256CBC;
-import net.schmizz.sshj.transport.cipher.AES256CTR;
-import net.schmizz.sshj.transport.cipher.BlowfishCBC;
-import net.schmizz.sshj.transport.cipher.Cipher;
-import net.schmizz.sshj.transport.cipher.TripleDESCBC;
+import net.schmizz.sshj.transport.cipher.*;
 import net.schmizz.sshj.transport.compression.NoneCompression;
 import net.schmizz.sshj.transport.kex.Curve25519SHA256;
 import net.schmizz.sshj.transport.kex.DHGexSHA1;
 import net.schmizz.sshj.transport.kex.DHGexSHA256;
 import net.schmizz.sshj.transport.kex.ECDHNistP;
-import net.schmizz.sshj.transport.mac.HMACMD5;
-import net.schmizz.sshj.transport.mac.HMACMD596;
-import net.schmizz.sshj.transport.mac.HMACSHA1;
-import net.schmizz.sshj.transport.mac.HMACSHA196;
-import net.schmizz.sshj.transport.mac.HMACSHA2256;
-import net.schmizz.sshj.transport.mac.HMACSHA2512;
+import net.schmizz.sshj.transport.mac.*;
 import net.schmizz.sshj.transport.random.BouncyCastleRandom;
 import net.schmizz.sshj.transport.random.JCERandom;
 import net.schmizz.sshj.transport.random.SingletonRandomFactory;
@@ -65,6 +42,10 @@ import net.schmizz.sshj.userauth.keyprovider.OpenSSHKeyFile;
 import net.schmizz.sshj.userauth.keyprovider.PKCS5KeyFile;
 import net.schmizz.sshj.userauth.keyprovider.PKCS8KeyFile;
 import net.schmizz.sshj.userauth.keyprovider.PuTTYKeyFile;
+import org.slf4j.Logger;
+
+import java.io.IOException;
+import java.util.*;
 
 /**
  * A {@link net.schmizz.sshj.Config} that is initialized as follows. Items marked with an asterisk are added to the config only if

src/main/java/net/schmizz/sshj/SSHClient.java

@@ -15,11 +15,7 @@
  */
 package net.schmizz.sshj;
 
-import net.schmizz.sshj.common.Factory;
-import net.schmizz.sshj.common.IOUtils;
-import net.schmizz.sshj.common.LoggerFactory;
-import net.schmizz.sshj.common.SSHException;
-import net.schmizz.sshj.common.SecurityUtils;
+import net.schmizz.sshj.common.*;
 import net.schmizz.sshj.connection.Connection;
 import net.schmizz.sshj.connection.ConnectionException;
 import net.schmizz.sshj.connection.ConnectionImpl;

src/main/java/net/schmizz/sshj/common/ECDSAVariationsAdapter.java

@@ -15,6 +15,15 @@
  */
 package net.schmizz.sshj.common;
 
+import com.hierynomus.sshj.secg.SecgUtils;
+import org.bouncycastle.asn1.nist.NISTNamedCurves;
+import org.bouncycastle.asn1.x9.X9ECParameters;
+import org.bouncycastle.jce.spec.ECParameterSpec;
+import org.bouncycastle.jce.spec.ECPublicKeySpec;
+import org.bouncycastle.math.ec.ECPoint;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.math.BigInteger;
 import java.security.GeneralSecurityException;
 import java.security.Key;
@@ -26,16 +35,6 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.bouncycastle.asn1.nist.NISTNamedCurves;
-import org.bouncycastle.asn1.x9.X9ECParameters;
-import org.bouncycastle.jce.spec.ECParameterSpec;
-import org.bouncycastle.jce.spec.ECPublicKeySpec;
-import org.bouncycastle.math.ec.ECPoint;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.hierynomus.sshj.secg.SecgUtils;
-
 class ECDSAVariationsAdapter {
 
     private final static String BASE_ALGORITHM_NAME = "ecdsa-sha2-nistp";

src/main/java/net/schmizz/sshj/common/KeyType.java

@@ -15,33 +15,28 @@
  */
 package net.schmizz.sshj.common;
 
-import java.math.BigInteger;
-import java.security.GeneralSecurityException;
-import java.security.Key;
-import java.security.KeyFactory;
-import java.security.PublicKey;
-import java.security.interfaces.*;
-import java.security.spec.DSAPublicKeySpec;
-import java.security.spec.RSAPublicKeySpec;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Date;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import com.hierynomus.sshj.signature.Ed25519PublicKey;
 import com.hierynomus.sshj.userauth.certificate.Certificate;
-
 import net.i2p.crypto.eddsa.EdDSAPublicKey;
 import net.i2p.crypto.eddsa.spec.EdDSANamedCurveSpec;
 import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
 import net.i2p.crypto.eddsa.spec.EdDSAPublicKeySpec;
 import net.schmizz.sshj.common.Buffer.BufferException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.math.BigInteger;
+import java.security.GeneralSecurityException;
+import java.security.Key;
+import java.security.KeyFactory;
+import java.security.PublicKey;
+import java.security.interfaces.DSAPrivateKey;
+import java.security.interfaces.DSAPublicKey;
+import java.security.interfaces.RSAPrivateKey;
+import java.security.interfaces.RSAPublicKey;
+import java.security.spec.DSAPublicKeySpec;
+import java.security.spec.RSAPublicKeySpec;
+import java.util.*;
 
 /** Type of key e.g. rsa, dsa */
 public enum KeyType {

src/main/java/net/schmizz/sshj/common/SecurityUtils.java

@@ -15,13 +15,14 @@
  */
 package net.schmizz.sshj.common;
 
-import java.security.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import javax.crypto.Cipher;
 import javax.crypto.KeyAgreement;
 import javax.crypto.Mac;
 import javax.crypto.NoSuchPaddingException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import java.security.*;
 
 import static java.lang.String.format;
 

src/main/java/net/schmizz/sshj/signature/SignatureECDSA.java

@@ -15,19 +15,18 @@
  */
 package net.schmizz.sshj.signature;
 
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.math.BigInteger;
-import java.security.SignatureException;
-
+import net.schmizz.sshj.common.Buffer;
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.common.SSHRuntimeException;
 import org.bouncycastle.asn1.ASN1EncodableVector;
 import org.bouncycastle.asn1.ASN1Integer;
 import org.bouncycastle.asn1.ASN1OutputStream;
 import org.bouncycastle.asn1.DERSequence;
 
-import net.schmizz.sshj.common.Buffer;
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.common.SSHRuntimeException;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.math.BigInteger;
+import java.security.SignatureException;
 
 /** ECDSA {@link Signature} */
 public class SignatureECDSA extends AbstractSignature {

src/main/java/net/schmizz/sshj/transport/kex/Curve25519DH.java

@@ -15,16 +15,16 @@
  */
 package net.schmizz.sshj.transport.kex;
 
-import java.math.BigInteger;
-import java.security.GeneralSecurityException;
-import java.security.spec.AlgorithmParameterSpec;
-import java.util.Arrays;
+import net.schmizz.sshj.common.Factory;
+import net.schmizz.sshj.transport.random.Random;
 import org.bouncycastle.asn1.x9.X9ECParameters;
 import org.bouncycastle.crypto.ec.CustomNamedCurves;
 import org.bouncycastle.jce.spec.ECParameterSpec;
 
-import net.schmizz.sshj.common.Factory;
-import net.schmizz.sshj.transport.random.Random;
+import java.math.BigInteger;
+import java.security.GeneralSecurityException;
+import java.security.spec.AlgorithmParameterSpec;
+import java.util.Arrays;
 
 public class Curve25519DH extends DHBase {
 

src/main/java/net/schmizz/sshj/transport/random/JCERandom.java

@@ -15,10 +15,11 @@
  */
 package net.schmizz.sshj.transport.random;
 
-import java.security.SecureRandom;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.security.SecureRandom;
+
 /** A {@link Random} implementation using the built-in {@link SecureRandom} PRNG. */
 public class JCERandom
         implements Random {

src/main/java/net/schmizz/sshj/userauth/keyprovider/BaseFileKeyProvider.java

@@ -15,6 +15,9 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.userauth.password.*;
+
 import java.io.File;
 import java.io.IOException;
 import java.io.Reader;
@@ -22,9 +25,6 @@ import java.security.KeyPair;
 import java.security.PrivateKey;
 import java.security.PublicKey;
 
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.userauth.password.*;
-
 public abstract class BaseFileKeyProvider implements FileKeyProvider {
     protected Resource<?> resource;
     protected PasswordFinder pwdf;

src/main/java/net/schmizz/sshj/userauth/keyprovider/KeyProviderUtil.java

@@ -15,10 +15,10 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
+import com.hierynomus.sshj.userauth.keyprovider.OpenSSHKeyV1KeyFile;
 import net.schmizz.sshj.common.IOUtils;
 
 import java.io.*;
-import com.hierynomus.sshj.userauth.keyprovider.OpenSSHKeyV1KeyFile;
 
 public class KeyProviderUtil {
 

src/main/java/net/schmizz/sshj/userauth/keyprovider/PKCS5KeyFile.java

@@ -15,6 +15,14 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
+import net.schmizz.sshj.common.Base64;
+import net.schmizz.sshj.common.ByteArrayUtils;
+import net.schmizz.sshj.common.IOUtils;
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.transport.cipher.*;
+import net.schmizz.sshj.transport.digest.Digest;
+import net.schmizz.sshj.transport.digest.MD5;
+
 import java.io.BufferedReader;
 import java.io.EOFException;
 import java.io.IOException;
@@ -25,14 +33,6 @@ import java.security.*;
 import java.security.spec.*;
 import java.util.Arrays;
 
-import net.schmizz.sshj.common.Base64;
-import net.schmizz.sshj.common.ByteArrayUtils;
-import net.schmizz.sshj.common.IOUtils;
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.transport.cipher.*;
-import net.schmizz.sshj.transport.digest.Digest;
-import net.schmizz.sshj.transport.digest.MD5;
-
 /**
  * Represents a PKCS5-encoded key file. This is the format typically used by OpenSSH, OpenSSL, Amazon, etc.
  */

src/main/java/net/schmizz/sshj/userauth/keyprovider/PKCS8KeyFile.java

@@ -15,8 +15,8 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
-import java.io.IOException;
-import java.security.KeyPair;
+import net.schmizz.sshj.common.IOUtils;
+import net.schmizz.sshj.userauth.password.PasswordUtils;
 import org.bouncycastle.openssl.EncryptionException;
 import org.bouncycastle.openssl.PEMEncryptedKeyPair;
 import org.bouncycastle.openssl.PEMKeyPair;
@@ -26,8 +26,8 @@ import org.bouncycastle.openssl.jcajce.JcePEMDecryptorProviderBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import net.schmizz.sshj.common.IOUtils;
-import net.schmizz.sshj.userauth.password.PasswordUtils;
+import java.io.IOException;
+import java.security.KeyPair;
 
 /** Represents a PKCS8-encoded key file. This is the format used by (old-style) OpenSSH and OpenSSL. */
 public class PKCS8KeyFile extends BaseFileKeyProvider {

src/main/java/net/schmizz/sshj/userauth/keyprovider/PuTTYKeyFile.java

@@ -15,21 +15,21 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
+import net.schmizz.sshj.common.Base64;
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.userauth.password.PasswordUtils;
+import org.bouncycastle.util.encoders.Hex;
+
+import javax.crypto.Cipher;
+import javax.crypto.Mac;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
 import java.io.*;
 import java.math.BigInteger;
 import java.security.*;
 import java.security.spec.*;
 import java.util.HashMap;
 import java.util.Map;
-import javax.crypto.Cipher;
-import javax.crypto.Mac;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-import org.bouncycastle.util.encoders.Hex;
-
-import net.schmizz.sshj.common.Base64;
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.userauth.password.PasswordUtils;
 
 /**
  * <h2>Sample PuTTY file format</h2>

src/main/java/net/schmizz/sshj/xfer/AbstractFileTransfer.java

@@ -16,7 +16,6 @@
 package net.schmizz.sshj.xfer;
 
 import net.schmizz.sshj.common.LoggerFactory;
-
 import org.slf4j.Logger;
 
 public abstract class AbstractFileTransfer {

src/test/groovy/com/hierynomus/sshj/connection/channel/direct/LocalPortForwarderSpec.groovy

@@ -21,8 +21,6 @@ import org.junit.Rule
 import spock.lang.Specification
 import spock.util.concurrent.PollingConditions
 
-import java.util.concurrent.CountDownLatch
-
 class LocalPortForwarderSpec extends Specification {
   @Rule
   SshFixture tunnelFixture = new SshFixture()

src/test/groovy/com/hierynomus/sshj/transport/verification/KnownHostMatchersTest.groovy

@@ -15,7 +15,6 @@
  */
 package com.hierynomus.sshj.transport.verification
 
-import com.hierynomus.sshj.transport.verification.KnownHostMatchers
 import spock.lang.Specification
 import spock.lang.Unroll
 

src/test/java/com/hierynomus/sshj/IntegrationTest.java

@@ -15,14 +15,14 @@
  */
 package com.hierynomus.sshj;
 
-import java.io.File;
-import java.io.IOException;
-import org.junit.Ignore;
-import org.junit.Test;
-
 import net.schmizz.sshj.DefaultConfig;
 import net.schmizz.sshj.SSHClient;
 import net.schmizz.sshj.transport.verification.OpenSSHKnownHosts;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 

src/test/java/net/schmizz/sshj/common/BufferTest.java

@@ -17,12 +17,11 @@ package net.schmizz.sshj.common;
 
 import net.schmizz.sshj.common.Buffer.BufferException;
 import net.schmizz.sshj.common.Buffer.PlainBuffer;
-
-import static org.junit.Assert.*;
+import org.junit.Test;
 
 import java.math.BigInteger;
 
-import org.junit.Test;
+import static org.junit.Assert.*;
 
 public class BufferTest {
 

src/test/java/net/schmizz/sshj/keyprovider/OpenSSHKeyFileTest.java

@@ -15,13 +15,18 @@
  */
 package net.schmizz.sshj.keyprovider;
 
-import static org.hamcrest.CoreMatchers.containsString;
-import static org.hamcrest.CoreMatchers.equalTo;
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
+import com.hierynomus.sshj.userauth.certificate.Certificate;
+import com.hierynomus.sshj.userauth.keyprovider.OpenSSHKeyV1KeyFile;
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.userauth.keyprovider.FileKeyProvider;
+import net.schmizz.sshj.userauth.keyprovider.OpenSSHKeyFile;
+import net.schmizz.sshj.userauth.password.PasswordFinder;
+import net.schmizz.sshj.userauth.password.PasswordUtils;
+import net.schmizz.sshj.userauth.password.Resource;
+import net.schmizz.sshj.util.KeyUtil;
+import org.apache.sshd.common.util.SecurityUtils;
+import org.junit.Before;
+import org.junit.Test;
 
 import java.io.File;
 import java.io.IOException;
@@ -39,20 +44,10 @@ import java.util.Date;
 import java.util.Map;
 import java.util.Scanner;
 
-import org.apache.sshd.common.util.SecurityUtils;
-import org.junit.Before;
-import org.junit.Test;
-
-import com.hierynomus.sshj.userauth.certificate.Certificate;
-import com.hierynomus.sshj.userauth.keyprovider.OpenSSHKeyV1KeyFile;
-
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.userauth.keyprovider.FileKeyProvider;
-import net.schmizz.sshj.userauth.keyprovider.OpenSSHKeyFile;
-import net.schmizz.sshj.userauth.password.PasswordFinder;
-import net.schmizz.sshj.userauth.password.PasswordUtils;
-import net.schmizz.sshj.userauth.password.Resource;
-import net.schmizz.sshj.util.KeyUtil;
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.*;
 
 public class OpenSSHKeyFileTest {
 

src/test/java/net/schmizz/sshj/sftp/SFTPClientTest.java

@@ -15,13 +15,12 @@
  */
 package net.schmizz.sshj.sftp;
 
+import net.schmizz.sshj.common.LoggerFactory;
 import org.junit.Before;
 import org.junit.Test;
 
 import java.io.IOException;
 
-import net.schmizz.sshj.common.LoggerFactory;
-
 import static net.schmizz.sshj.sftp.PathHelper.DEFAULT_PATH_SEPARATOR;
 import static org.mockito.Mockito.*;
 

src/test/java/net/schmizz/sshj/signature/VerificationTest.java

@@ -15,13 +15,12 @@
  */
 package net.schmizz.sshj.signature;
 
-import java.security.PublicKey;
-
+import net.schmizz.sshj.common.Buffer;
+import net.schmizz.sshj.common.Buffer.BufferException;
 import org.junit.Assert;
 import org.junit.Test;
 
-import net.schmizz.sshj.common.Buffer;
-import net.schmizz.sshj.common.Buffer.BufferException;
+import java.security.PublicKey;
 
 public class VerificationTest {
 

src/test/java/net/schmizz/sshj/util/BufferTest.java

@@ -32,7 +32,6 @@ package net.schmizz.sshj.util;
 
 import net.schmizz.sshj.common.Buffer;
 import net.schmizz.sshj.common.IOUtils;
-
 import org.junit.Before;
 import org.junit.Test;
 

src/test/java/net/schmizz/sshj/util/gss/BogusGSSContext.java

@@ -15,9 +15,8 @@
  */
 package net.schmizz.sshj.util.gss;
 
-import org.ietf.jgss.*;
-
 import net.schmizz.sshj.common.IOUtils;
+import org.ietf.jgss.*;
 
 import java.io.InputStream;
 import java.io.OutputStream;