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Java 8 Migration: remove uneccessary if statement (#8755) 

Motivation:

As netty 4.x supported Java 6 we had various if statements to check for java versions < 8. We can remove these now.

Modification:

Remove unnecessary if statements that check for java versions < 8.

Result:

Cleanup code.
This commit is contained in:
kezhenxu94 2019-01-25 15:57:11 +08:00 committed by Norman Maurer
parent 310f31b392
commit 7b6336f1fd
28 changed files with 154 additions and 275 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
buffer/src/main/java/io/netty/buffer/PooledUnsafeHeapByteBuf.java
View File

@ -130,26 +130,18 @@ final class PooledUnsafeHeapByteBuf extends PooledHeapByteBuf {
@Override
public ByteBuf setZero(int index, int length) {
if (PlatformDependent.javaVersion() >= 7) {
checkIndex(index, length);
// Only do on java7+ as the needed Unsafe call was only added there.
UnsafeByteBufUtil.setZero(memory, idx(index), length);
return this;
}
return super.setZero(index, length);
checkIndex(index, length);
UnsafeByteBufUtil.setZero(memory, idx(index), length);
return this;
}
@Override
public ByteBuf writeZero(int length) {
if (PlatformDependent.javaVersion() >= 7) {
// Only do on java7+ as the needed Unsafe call was only added there.
ensureWritable(length);
int wIndex = writerIndex;
UnsafeByteBufUtil.setZero(memory, idx(wIndex), length);
writerIndex = wIndex + length;
return this;
}
return super.writeZero(length);
ensureWritable(length);
int wIndex = writerIndex;
UnsafeByteBufUtil.setZero(memory, idx(wIndex), length);
writerIndex = wIndex + length;
return this;
}
@Override

24
buffer/src/main/java/io/netty/buffer/UnpooledUnsafeHeapByteBuf.java
View File

@ -243,26 +243,18 @@ class UnpooledUnsafeHeapByteBuf extends UnpooledHeapByteBuf {
@Override
public ByteBuf setZero(int index, int length) {
if (PlatformDependent.javaVersion() >= 7) {
// Only do on java7+ as the needed Unsafe call was only added there.
checkIndex(index, length);
UnsafeByteBufUtil.setZero(array, index, length);
return this;
}
return super.setZero(index, length);
checkIndex(index, length);
UnsafeByteBufUtil.setZero(array, index, length);
return this;
}
@Override
public ByteBuf writeZero(int length) {
if (PlatformDependent.javaVersion() >= 7) {
// Only do on java7+ as the needed Unsafe call was only added there.
ensureWritable(length);
int wIndex = writerIndex;
UnsafeByteBufUtil.setZero(array, wIndex, length);
writerIndex = wIndex + length;
return this;
}
return super.writeZero(length);
ensureWritable(length);
int wIndex = writerIndex;
UnsafeByteBufUtil.setZero(array, wIndex, length);
writerIndex = wIndex + length;
return this;
}
@Override

9
codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyHeaderBlockEncoder.java
View File

@ -23,14 +23,7 @@ abstract class SpdyHeaderBlockEncoder {
static SpdyHeaderBlockEncoder newInstance(
SpdyVersion version, int compressionLevel, int windowBits, int memLevel) {
if (PlatformDependent.javaVersion() >= 7) {
return new SpdyHeaderBlockZlibEncoder(
version, compressionLevel);
} else {
return new SpdyHeaderBlockJZlibEncoder(
version, compressionLevel, windowBits, memLevel);
}
return new SpdyHeaderBlockZlibEncoder(version, compressionLevel);
}
abstract ByteBuf encode(ByteBufAllocator alloc, SpdyHeadersFrame frame) throws Exception;

15
codec/src/main/java/io/netty/handler/codec/compression/ByteBufChecksum.java
View File

@ -52,16 +52,13 @@ abstract class ByteBufChecksum implements Checksum {
};
private static Method updateByteBuffer(Checksum checksum) {
if (PlatformDependent.javaVersion() >= 8) {
try {
Method method = checksum.getClass().getDeclaredMethod("update", ByteBuffer.class);
method.invoke(method, ByteBuffer.allocate(1));
return method;
} catch (Throwable ignore) {
return null;
}
try {
Method method = checksum.getClass().getDeclaredMethod("update", ByteBuffer.class);
method.invoke(method, ByteBuffer.allocate(1));
return method;
} catch (Throwable ignore) {
return null;
}
return null;
}
static ByteBufChecksum wrapChecksum(Checksum checksum) {

25
codec/src/main/java/io/netty/handler/codec/compression/ZlibCodecFactory.java
View File

@ -34,14 +34,13 @@ public final class ZlibCodecFactory {
private static final boolean supportsWindowSizeAndMemLevel;
static {
noJdkZlibDecoder = SystemPropertyUtil.getBoolean("io.netty.noJdkZlibDecoder",
PlatformDependent.javaVersion() < 7);
noJdkZlibDecoder = SystemPropertyUtil.getBoolean("io.netty.noJdkZlibDecoder", false);
logger.debug("-Dio.netty.noJdkZlibDecoder: {}", noJdkZlibDecoder);
noJdkZlibEncoder = SystemPropertyUtil.getBoolean("io.netty.noJdkZlibEncoder", false);
logger.debug("-Dio.netty.noJdkZlibEncoder: {}", noJdkZlibEncoder);
supportsWindowSizeAndMemLevel = noJdkZlibDecoder || PlatformDependent.javaVersion() >= 7;
supportsWindowSizeAndMemLevel = true;
}
/**
@ -52,7 +51,7 @@ public final class ZlibCodecFactory {
}
public static ZlibEncoder newZlibEncoder(int compressionLevel) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibEncoder) {
if (noJdkZlibEncoder) {
return new JZlibEncoder(compressionLevel);
} else {
return new JdkZlibEncoder(compressionLevel);
@ -60,7 +59,7 @@ public final class ZlibCodecFactory {
}
public static ZlibEncoder newZlibEncoder(ZlibWrapper wrapper) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibEncoder) {
if (noJdkZlibEncoder) {
return new JZlibEncoder(wrapper);
} else {
return new JdkZlibEncoder(wrapper);
@ -68,7 +67,7 @@ public final class ZlibCodecFactory {
}
public static ZlibEncoder newZlibEncoder(ZlibWrapper wrapper, int compressionLevel) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibEncoder) {
if (noJdkZlibEncoder) {
return new JZlibEncoder(wrapper, compressionLevel);
} else {
return new JdkZlibEncoder(wrapper, compressionLevel);
@ -76,7 +75,7 @@ public final class ZlibCodecFactory {
}
public static ZlibEncoder newZlibEncoder(ZlibWrapper wrapper, int compressionLevel, int windowBits, int memLevel) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibEncoder ||
if (noJdkZlibEncoder ||
windowBits != DEFAULT_JDK_WINDOW_SIZE || memLevel != DEFAULT_JDK_MEM_LEVEL) {
return new JZlibEncoder(wrapper, compressionLevel, windowBits, memLevel);
} else {
@ -85,7 +84,7 @@ public final class ZlibCodecFactory {
}
public static ZlibEncoder newZlibEncoder(byte[] dictionary) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibEncoder) {
if (noJdkZlibEncoder) {
return new JZlibEncoder(dictionary);
} else {
return new JdkZlibEncoder(dictionary);
@ -93,7 +92,7 @@ public final class ZlibCodecFactory {
}
public static ZlibEncoder newZlibEncoder(int compressionLevel, byte[] dictionary) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibEncoder) {
if (noJdkZlibEncoder) {
return new JZlibEncoder(compressionLevel, dictionary);
} else {
return new JdkZlibEncoder(compressionLevel, dictionary);
@ -101,7 +100,7 @@ public final class ZlibCodecFactory {
}
public static ZlibEncoder newZlibEncoder(int compressionLevel, int windowBits, int memLevel, byte[] dictionary) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibEncoder ||
if (noJdkZlibEncoder ||
windowBits != DEFAULT_JDK_WINDOW_SIZE || memLevel != DEFAULT_JDK_MEM_LEVEL) {
return new JZlibEncoder(compressionLevel, windowBits, memLevel, dictionary);
} else {
@ -110,7 +109,7 @@ public final class ZlibCodecFactory {
}
public static ZlibDecoder newZlibDecoder() {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibDecoder) {
if (noJdkZlibDecoder) {
return new JZlibDecoder();
} else {
return new JdkZlibDecoder(true);
@ -118,7 +117,7 @@ public final class ZlibCodecFactory {
}
public static ZlibDecoder newZlibDecoder(ZlibWrapper wrapper) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibDecoder) {
if (noJdkZlibDecoder) {
return new JZlibDecoder(wrapper);
} else {
return new JdkZlibDecoder(wrapper, true);
@ -126,7 +125,7 @@ public final class ZlibCodecFactory {
}
public static ZlibDecoder newZlibDecoder(byte[] dictionary) {
if (PlatformDependent.javaVersion() < 7 || noJdkZlibDecoder) {
if (noJdkZlibDecoder) {
return new JZlibDecoder(dictionary);
} else {
return new JdkZlibDecoder(dictionary);

2
common/src/main/java/io/netty/util/NetUtil.java
View File

@ -1114,7 +1114,7 @@ public final class NetUtil {
* @return the host string
*/
public static String getHostname(InetSocketAddress addr) {
return PlatformDependent.javaVersion() >= 7 ? addr.getHostString() : addr.getHostName();
return addr.getHostString();
}
/**

6
common/src/main/java/io/netty/util/internal/NativeLibraryLoader.java
View File

@ -441,12 +441,6 @@ public final class NativeLibraryLoader {
private static final class NoexecVolumeDetector {
private static boolean canExecuteExecutable(File file) throws IOException {
if (PlatformDependent.javaVersion() < 7) {
// Pre-JDK7, the Java API did not directly support POSIX permissions; instead of implementing a custom
// work-around, assume true, which disables the check.
return true;
}
// If we can already execute, there is nothing to do.
if (file.canExecute()) {
return true;

7
common/src/main/java/io/netty/util/internal/PlatformDependent.java
View File

@ -40,7 +40,6 @@ import java.util.List;
import java.util.Locale;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedDeque;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.atomic.AtomicLong;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -867,11 +866,7 @@ public final class PlatformDependent {
* Returns a new concurrent {@link Deque}.
*/
public static <C> Deque<C> newConcurrentDeque() {
if (javaVersion() < 7) {
return new LinkedBlockingDeque<>();
} else {
return new ConcurrentLinkedDeque<>();
}
return new ConcurrentLinkedDeque<>();
}
private static boolean isWindows0() {

9
common/src/main/java/io/netty/util/internal/SocketUtils.java
View File

@ -186,14 +186,7 @@ public final class SocketUtils {
return AccessController.doPrivileged(new PrivilegedAction<InetAddress>() {
@Override
public InetAddress run() {
if (PlatformDependent.javaVersion() >= 7) {
return InetAddress.getLoopbackAddress();
}
try {
return InetAddress.getByName(null);
} catch (UnknownHostException e) {
throw new IllegalStateException(e);
}
return InetAddress.getLoopbackAddress();
}
});
}

7
common/src/main/java/io/netty/util/internal/ThrowableUtil.java
View File

@ -54,15 +54,8 @@ public final class ThrowableUtil {
}
}
public static boolean haveSuppressed() {
return PlatformDependent.javaVersion() >= 7;
}
@SuppressJava6Requirement(reason = "Throwable addSuppressed is only available for >= 7. Has check for < 7.")
public static void addSuppressed(Throwable target, Throwable suppressed) {
if (!haveSuppressed()) {
return;
}
target.addSuppressed(suppressed);
}

8
common/src/test/java/io/netty/util/internal/NativeLibraryLoaderTest.java
View File

@ -32,9 +32,7 @@ public class NativeLibraryLoaderTest {
fail();
} catch (UnsatisfiedLinkError error) {
assertTrue(error.getCause() instanceof FileNotFoundException);
if (PlatformDependent.javaVersion() >= 7) {
verifySuppressedException(error, UnsatisfiedLinkError.class);
}
verifySuppressedException(error, UnsatisfiedLinkError.class);
}
}
@ -45,9 +43,7 @@ public class NativeLibraryLoaderTest {
fail();
} catch (UnsatisfiedLinkError error) {
assertTrue(error.getCause() instanceof FileNotFoundException);
if (PlatformDependent.javaVersion() >= 7) {
verifySuppressedException(error, ClassNotFoundException.class);
}
verifySuppressedException(error, ClassNotFoundException.class);
}
}

2
handler/src/main/java/io/netty/handler/ssl/Conscrypt.java
View File

@ -44,7 +44,7 @@ final class Conscrypt {
* Indicates whether or not conscrypt is available on the current system.
*/
static boolean isAvailable() {
return IS_CONSCRYPT_SSLENGINE != null && PlatformDependent.javaVersion() >= 8;
return IS_CONSCRYPT_SSLENGINE != null;
}
static boolean isEngineSupported(SSLEngine engine) {

2
handler/src/main/java/io/netty/handler/ssl/OpenSslTlsv13X509ExtendedTrustManager.java
View File

@ -94,7 +94,7 @@ final class OpenSslTlsv13X509ExtendedTrustManager extends X509ExtendedTrustManag
@Override
public SSLSession getHandshakeSession() {
if (PlatformDependent.javaVersion() >= 7 && session instanceof ExtendedOpenSslSession) {
if (session instanceof ExtendedOpenSslSession) {
final ExtendedOpenSslSession extendedOpenSslSession = (ExtendedOpenSslSession) session;
return new ExtendedOpenSslSession(extendedOpenSslSession) {
@Override

44
handler/src/main/java/io/netty/handler/ssl/ReferenceCountedOpenSslContext.java
View File

@ -599,7 +599,7 @@ public abstract class ReferenceCountedOpenSslContext extends SslContext implemen
}
static boolean useExtendedTrustManager(X509TrustManager trustManager) {
return PlatformDependent.javaVersion() >= 7 && trustManager instanceof X509ExtendedTrustManager;
return trustManager instanceof X509ExtendedTrustManager;
}
@Override
@ -673,31 +673,29 @@ public abstract class ReferenceCountedOpenSslContext extends SslContext implemen
if (cause instanceof CertificateNotYetValidException) {
return CertificateVerifier.X509_V_ERR_CERT_NOT_YET_VALID;
}
if (PlatformDependent.javaVersion() >= 7) {
if (cause instanceof CertificateRevokedException) {
return CertificateVerifier.X509_V_ERR_CERT_REVOKED;
}
if (cause instanceof CertificateRevokedException) {
return CertificateVerifier.X509_V_ERR_CERT_REVOKED;
}
// The X509TrustManagerImpl uses a Validator which wraps a CertPathValidatorException into
// an CertificateException. So we need to handle the wrapped CertPathValidatorException to be
// able to send the correct alert.
Throwable wrapped = cause.getCause();
while (wrapped != null) {
if (wrapped instanceof CertPathValidatorException) {
CertPathValidatorException ex = (CertPathValidatorException) wrapped;
CertPathValidatorException.Reason reason = ex.getReason();
if (reason == CertPathValidatorException.BasicReason.EXPIRED) {
return CertificateVerifier.X509_V_ERR_CERT_HAS_EXPIRED;
}
if (reason == CertPathValidatorException.BasicReason.NOT_YET_VALID) {
return CertificateVerifier.X509_V_ERR_CERT_NOT_YET_VALID;
}
if (reason == CertPathValidatorException.BasicReason.REVOKED) {
return CertificateVerifier.X509_V_ERR_CERT_REVOKED;
}
// The X509TrustManagerImpl uses a Validator which wraps a CertPathValidatorException into
// an CertificateException. So we need to handle the wrapped CertPathValidatorException to be
// able to send the correct alert.
Throwable wrapped = cause.getCause();
while (wrapped != null) {
if (wrapped instanceof CertPathValidatorException) {
CertPathValidatorException ex = (CertPathValidatorException) wrapped;
CertPathValidatorException.Reason reason = ex.getReason();
if (reason == CertPathValidatorException.BasicReason.EXPIRED) {
return CertificateVerifier.X509_V_ERR_CERT_HAS_EXPIRED;
}
if (reason == CertPathValidatorException.BasicReason.NOT_YET_VALID) {
return CertificateVerifier.X509_V_ERR_CERT_NOT_YET_VALID;
}
if (reason == CertPathValidatorException.BasicReason.REVOKED) {
return CertificateVerifier.X509_V_ERR_CERT_REVOKED;
}
wrapped = wrapped.getCause();
}
wrapped = wrapped.getCause();
}
// Could not detect a specific error code to use, so fallback to a default code.

104
handler/src/main/java/io/netty/handler/ssl/ReferenceCountedOpenSslEngine.java
View File

@ -246,82 +246,78 @@ public class ReferenceCountedOpenSslEngine extends SSLEngine implements Referenc
this.alloc = checkNotNull(alloc, "alloc");
apn = (OpenSslApplicationProtocolNegotiator) context.applicationProtocolNegotiator();
clientMode = context.isClient();
if (PlatformDependent.javaVersion() >= 7) {
session = new ExtendedOpenSslSession(new DefaultOpenSslSession(context.sessionContext())) {
private String[] peerSupportedSignatureAlgorithms;
private List requestedServerNames;
session = new ExtendedOpenSslSession(new DefaultOpenSslSession(context.sessionContext())) {
private String[] peerSupportedSignatureAlgorithms;
private List requestedServerNames;
@Override
public List getRequestedServerNames() {
if (clientMode) {
return Java8SslUtils.getSniHostNames(sniHostNames);
} else {
synchronized (ReferenceCountedOpenSslEngine.this) {
if (requestedServerNames == null) {
if (isDestroyed()) {
@Override
public List getRequestedServerNames() {
if (clientMode) {
return Java8SslUtils.getSniHostNames(sniHostNames);
} else {
synchronized (ReferenceCountedOpenSslEngine.this) {
if (requestedServerNames == null) {
if (isDestroyed()) {
requestedServerNames = Collections.emptyList();
} else {
String name = SSL.getSniHostname(ssl);
if (name == null) {
requestedServerNames = Collections.emptyList();
} else {
String name = SSL.getSniHostname(ssl);
if (name == null) {
requestedServerNames = Collections.emptyList();
} else {
// Convert to bytes as we do not want to do any strict validation of the
// SNIHostName while creating it.
requestedServerNames =
Java8SslUtils.getSniHostName(
SSL.getSniHostname(ssl).getBytes(CharsetUtil.UTF_8));
}
// Convert to bytes as we do not want to do any strict validation of the
// SNIHostName while creating it.
requestedServerNames =
Java8SslUtils.getSniHostName(
SSL.getSniHostname(ssl).getBytes(CharsetUtil.UTF_8));
}
}
return requestedServerNames;
}
return requestedServerNames;
}
}
}
@Override
public String[] getPeerSupportedSignatureAlgorithms() {
synchronized (ReferenceCountedOpenSslEngine.this) {
if (peerSupportedSignatureAlgorithms == null) {
if (isDestroyed()) {
@Override
public String[] getPeerSupportedSignatureAlgorithms() {
synchronized (ReferenceCountedOpenSslEngine.this) {
if (peerSupportedSignatureAlgorithms == null) {
if (isDestroyed()) {
peerSupportedSignatureAlgorithms = EmptyArrays.EMPTY_STRINGS;
} else {
String[] algs = SSL.getSigAlgs(ssl);
if (algs == null) {
peerSupportedSignatureAlgorithms = EmptyArrays.EMPTY_STRINGS;
} else {
String[] algs = SSL.getSigAlgs(ssl);
if (algs == null) {
peerSupportedSignatureAlgorithms = EmptyArrays.EMPTY_STRINGS;
} else {
Set<String> algorithmList = new LinkedHashSet<>(algs.length);
for (String alg: algs) {
String converted = SignatureAlgorithmConverter.toJavaName(alg);
Set<String> algorithmList = new LinkedHashSet<>(algs.length);
for (String alg: algs) {
String converted = SignatureAlgorithmConverter.toJavaName(alg);
if (converted != null) {
algorithmList.add(converted);
}
if (converted != null) {
algorithmList.add(converted);
}
peerSupportedSignatureAlgorithms = algorithmList.toArray(new String[0]);
}
peerSupportedSignatureAlgorithms = algorithmList.toArray(new String[0]);
}
}
return peerSupportedSignatureAlgorithms.clone();
}
return peerSupportedSignatureAlgorithms.clone();
}
}
@Override
public List<byte[]> getStatusResponses() {
byte[] ocspResponse = null;
if (enableOcsp && clientMode) {
synchronized (ReferenceCountedOpenSslEngine.this) {
if (!isDestroyed()) {
ocspResponse = SSL.getOcspResponse(ssl);
}
@Override
public List<byte[]> getStatusResponses() {
byte[] ocspResponse = null;
if (enableOcsp && clientMode) {
synchronized (ReferenceCountedOpenSslEngine.this) {
if (!isDestroyed()) {
ocspResponse = SSL.getOcspResponse(ssl);
}
}
return ocspResponse == null ?
Collections.<byte[]>emptyList() : Collections.singletonList(ocspResponse);
}
};
} else {
session = new DefaultOpenSslSession(context.sessionContext());
}
return ocspResponse == null ?
Collections.<byte[]>emptyList() : Collections.singletonList(ocspResponse);
}
};
engineMap = context.engineMap;
enableOcsp = context.enableOcsp;
// context.keyCertChain will only be non-null if we do not use the KeyManagerFactory. In this case

11
handler/src/main/java/io/netty/handler/ssl/ReferenceCountedOpenSslServerContext.java
View File

@ -168,13 +168,10 @@ public final class ReferenceCountedOpenSslServerContext extends ReferenceCounted
}
}
if (PlatformDependent.javaVersion() >= 8) {
// Only do on Java8+ as SNIMatcher is not supported in earlier releases.
// IMPORTANT: The callbacks set for hostname matching must be static to prevent memory leak as
// otherwise the context can never be collected. This is because the JNI code holds
// a global reference to the matcher.
SSLContext.setSniHostnameMatcher(ctx, new OpenSslSniHostnameMatcher(engineMap));
}
// IMPORTANT: The callbacks set for hostname matching must be static to prevent memory leak as
// otherwise the context can never be collected. This is because the JNI code holds
// a global reference to the matcher.
SSLContext.setSniHostnameMatcher(ctx, new OpenSslSniHostnameMatcher(engineMap));
} catch (SSLException e) {
throw e;
} catch (Exception e) {

3
handler/src/main/java/io/netty/handler/ssl/SslHandler.java
View File

@ -1133,8 +1133,7 @@ public class SslHandler extends ByteToMessageDecoder implements ChannelOutboundH
}
// also match against SctpChannel via String matching as it may not present.
if (PlatformDependent.javaVersion() >= 7
&& "com.sun.nio.sctp.SctpChannel".equals(clazz.getSuperclass().getName())) {
if ("com.sun.nio.sctp.SctpChannel".equals(clazz.getSuperclass().getName())) {
return true;
}
} catch (Throwable cause) {

10
handler/src/main/java/io/netty/handler/ssl/util/SimpleTrustManagerFactory.java
View File

@ -135,12 +135,10 @@ public abstract class SimpleTrustManagerFactory extends TrustManagerFactory {
TrustManager[] trustManagers = this.trustManagers;
if (trustManagers == null) {
trustManagers = parent.engineGetTrustManagers();
if (PlatformDependent.javaVersion() >= 7) {
for (int i = 0; i < trustManagers.length; i++) {
final TrustManager tm = trustManagers[i];
if (tm instanceof X509TrustManager && !(tm instanceof X509ExtendedTrustManager)) {
trustManagers[i] = new X509TrustManagerWrapper((X509TrustManager) tm);
}
for (int i = 0; i < trustManagers.length; i++) {
final TrustManager tm = trustManagers[i];
if (tm instanceof X509TrustManager && !(tm instanceof X509ExtendedTrustManager)) {
trustManagers[i] = new X509TrustManagerWrapper((X509TrustManager) tm);
}
}
this.trustManagers = trustManagers;

7
handler/src/test/java/io/netty/handler/ssl/OpenSslEngineTest.java
View File

@ -1038,7 +1038,6 @@ public class OpenSslEngineTest extends SSLEngineTest {
@Test
public void testSNIMatchersDoesNotThrow() throws Exception {
assumeTrue(PlatformDependent.javaVersion() >= 8);
SelfSignedCertificate ssc = new SelfSignedCertificate();
serverSslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
.sslProvider(sslServerProvider())
@ -1059,7 +1058,6 @@ public class OpenSslEngineTest extends SSLEngineTest {
@Test
public void testSNIMatchersWithSNINameWithUnderscore() throws Exception {
assumeTrue(PlatformDependent.javaVersion() >= 8);
byte[] name = "rb8hx3pww30y3tvw0mwy.v1_1".getBytes(CharsetUtil.UTF_8);
SelfSignedCertificate ssc = new SelfSignedCertificate();
serverSslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
@ -1138,10 +1136,7 @@ public class OpenSslEngineTest extends SSLEngineTest {
@Override
protected SSLEngine wrapEngine(SSLEngine engine) {
if (PlatformDependent.javaVersion() >= 8) {
return Java8SslTestUtils.wrapSSLEngineForTesting(engine);
}
return engine;
return Java8SslTestUtils.wrapSSLEngineForTesting(engine);
}
ReferenceCountedOpenSslEngine unwrapEngine(SSLEngine engine) {

17
handler/src/test/java/io/netty/handler/ssl/SniClientTest.java
View File

@ -83,13 +83,11 @@ public class SniClientTest {
@Test(timeout = 30000)
public void testSniSNIMatcherMatchesClient() throws Exception {
Assume.assumeTrue(PlatformDependent.javaVersion() >= 8);
SniClientJava8TestUtil.testSniClient(serverProvider, clientProvider, true);
}
@Test(timeout = 30000, expected = SSLException.class)
public void testSniSNIMatcherDoesNotMatchClient() throws Exception {
Assume.assumeTrue(PlatformDependent.javaVersion() >= 8);
SniClientJava8TestUtil.testSniClient(serverProvider, clientProvider, false);
}
@ -111,10 +109,7 @@ public class SniClientTest {
.build();
} else {
// The used OpenSSL version does support a KeyManagerFactory, so use it.
KeyManagerFactory kmf = PlatformDependent.javaVersion() >= 8 ?
SniClientJava8TestUtil.newSniX509KeyManagerFactory(cert, sniHostName) :
SslContext.buildKeyManagerFactory(
new X509Certificate[] { cert.cert() }, cert.key(), null, null);
KeyManagerFactory kmf = SniClientJava8TestUtil.newSniX509KeyManagerFactory(cert, sniHostName);
sslServerContext = SslContextBuilder.forServer(kmf)
.sslProvider(sslServerProvider)
@ -137,9 +132,7 @@ public class SniClientTest {
}
}).bind(address).syncUninterruptibly().channel();
TrustManagerFactory tmf = PlatformDependent.javaVersion() >= 8 ?
SniClientJava8TestUtil.newSniX509TrustmanagerFactory(sniHostName) :
InsecureTrustManagerFactory.INSTANCE;
TrustManagerFactory tmf = SniClientJava8TestUtil.newSniX509TrustmanagerFactory(sniHostName);
sslClientContext = SslContextBuilder.forClient().trustManager(tmf)
.sslProvider(sslClientProvider).build();
Bootstrap cb = new Bootstrap();
@ -154,10 +147,8 @@ public class SniClientTest {
handler.handshakeFuture().syncUninterruptibly();
Assert.assertNull(handler.engine().getHandshakeSession());
if (PlatformDependent.javaVersion() >= 8) {
SniClientJava8TestUtil.assertSSLSession(
handler.engine().getUseClientMode(), handler.engine().getSession(), sniHostName);
}
SniClientJava8TestUtil.assertSSLSession(
handler.engine().getUseClientMode(), handler.engine().getSession(), sniHostName);
} finally {
if (cc != null) {
cc.close().syncUninterruptibly();

7
resolver-dns/src/main/java/io/netty/resolver/dns/DefaultAuthoritativeDnsServerCache.java
View File

@ -45,10 +45,7 @@ public class DefaultAuthoritativeDnsServerCache implements AuthoritativeDnsServe
@Override
protected boolean equals(InetSocketAddress entry, InetSocketAddress otherEntry) {
if (PlatformDependent.javaVersion() >= 7) {
return entry.getHostString().equalsIgnoreCase(otherEntry.getHostString());
}
return entry.getHostName().equalsIgnoreCase(otherEntry.getHostName());
return entry.getHostString().equalsIgnoreCase(otherEntry.getHostString());
}
@Override
@ -101,7 +98,7 @@ public class DefaultAuthoritativeDnsServerCache implements AuthoritativeDnsServe
checkNotNull(address, "address");
checkNotNull(loop, "loop");
if (PlatformDependent.javaVersion() >= 7 && address.getHostString() == null) {
if (address.getHostString() == null) {
// We only cache addresses that have also a host string as we will need it later when trying to replace
// unresolved entries in the cache.
return;

3
resolver-dns/src/main/java/io/netty/resolver/dns/DnsResolveContext.java
View File

@ -400,8 +400,7 @@ abstract class DnsResolveContext<T> {
final DnsQueryLifecycleObserver queryLifecycleObserver,
final Promise<List<T>> promise,
final Throwable cause) {
final String nameServerName = PlatformDependent.javaVersion() >= 7 ?
nameServerAddr.getHostString() : nameServerAddr.getHostName();
final String nameServerName = nameServerAddr.getHostString();
assert nameServerName != null;
// Placeholder so we will not try to finish the original query yet.

3
resolver-dns/src/test/java/io/netty/resolver/dns/DnsNameResolverTest.java
View File

@ -1281,8 +1281,7 @@ public class DnsNameResolverTest {
// Java7 will strip of the "." so we need to adjust the expected dnsname. Both are valid in terms of the RFC
// so its ok.
String expectedDnsName = PlatformDependent.javaVersion() == 7 ?
"dns4.some.record.netty.io" : "dns4.some.record.netty.io.";
String expectedDnsName = "dns4.some.record.netty.io.";
try {
resolver.resolveAll(hostname).syncUninterruptibly();

20
transport-native-unix-common/src/main/java/io/netty/channel/unix/UnixChannelUtil.java
View File

@ -43,17 +43,15 @@ public final class UnixChannelUtil {
public static InetSocketAddress computeRemoteAddr(InetSocketAddress remoteAddr, InetSocketAddress osRemoteAddr) {
if (osRemoteAddr != null) {
if (PlatformDependent.javaVersion() >= 7) {
try {
// Only try to construct a new InetSocketAddress if we using java >= 7 as getHostString() does not
// exists in earlier releases and so the retrieval of the hostname could block the EventLoop if a
// reverse lookup would be needed.
return new InetSocketAddress(InetAddress.getByAddress(remoteAddr.getHostString(),
osRemoteAddr.getAddress().getAddress()),
osRemoteAddr.getPort());
} catch (UnknownHostException ignore) {
// Should never happen but fallback to osRemoteAddr anyway.
}
try {
// Only try to construct a new InetSocketAddress if we using java >= 7 as getHostString() does not
// exists in earlier releases and so the retrieval of the hostname could block the EventLoop if a
// reverse lookup would be needed.
return new InetSocketAddress(InetAddress.getByAddress(remoteAddr.getHostString(),
osRemoteAddr.getAddress().getAddress()),
osRemoteAddr.getPort());
} catch (UnknownHostException ignore) {
// Should never happen but fallback to osRemoteAddr anyway.
}
return osRemoteAddr;
}

9
transport/src/main/java/io/netty/channel/socket/nio/NioDatagramChannel.java
View File

@ -104,9 +104,6 @@ public final class NioDatagramChannel
}
private static void checkJavaVersion() {
if (PlatformDependent.javaVersion() < 7) {
throw new UnsupportedOperationException("Only supported on java 7+.");
}
}
/**
@ -194,11 +191,7 @@ public final class NioDatagramChannel
}
private void doBind0(SocketAddress localAddress) throws Exception {
if (PlatformDependent.javaVersion() >= 7) {
SocketUtils.bind(javaChannel(), localAddress);
} else {
javaChannel().socket().bind(localAddress);
}
SocketUtils.bind(javaChannel(), localAddress);
}
@Override

9
transport/src/main/java/io/netty/channel/socket/nio/NioDatagramChannelConfig.java
View File

@ -210,7 +210,7 @@ class NioDatagramChannelConfig extends DefaultDatagramChannelConfig {
@Override
public <T> boolean setOption(ChannelOption<T> option, T value) {
if (PlatformDependent.javaVersion() >= 7 && option instanceof NioChannelOption) {
if (option instanceof NioChannelOption) {
return NioChannelOption.setOption(javaChannel, (NioChannelOption<T>) option, value);
}
return super.setOption(option, value);
@ -218,7 +218,7 @@ class NioDatagramChannelConfig extends DefaultDatagramChannelConfig {
@Override
public <T> T getOption(ChannelOption<T> option) {
if (PlatformDependent.javaVersion() >= 7 && option instanceof NioChannelOption) {
if (option instanceof NioChannelOption) {
return NioChannelOption.getOption(javaChannel, (NioChannelOption<T>) option);
}
return super.getOption(option);
@ -227,9 +227,6 @@ class NioDatagramChannelConfig extends DefaultDatagramChannelConfig {
@SuppressWarnings("unchecked")
@Override
public Map<ChannelOption<?>, Object> getOptions() {
if (PlatformDependent.javaVersion() >= 7) {
return getOptions(super.getOptions(), NioChannelOption.getOptions(javaChannel));
}
return super.getOptions();
return getOptions(super.getOptions(), NioChannelOption.getOptions(javaChannel));
}
}

15
transport/src/main/java/io/netty/channel/socket/nio/NioServerSocketChannel.java
View File

@ -137,11 +137,7 @@ public class NioServerSocketChannel extends AbstractNioMessageChannel
@Override
protected void doBind(SocketAddress localAddress) throws Exception {
if (PlatformDependent.javaVersion() >= 7) {
javaChannel().bind(localAddress, config.getBacklog());
} else {
javaChannel().socket().bind(localAddress, config.getBacklog());
}
javaChannel().bind(localAddress, config.getBacklog());
}
@Override
@ -215,7 +211,7 @@ public class NioServerSocketChannel extends AbstractNioMessageChannel
@Override
public <T> boolean setOption(ChannelOption<T> option, T value) {
if (PlatformDependent.javaVersion() >= 7 && option instanceof NioChannelOption) {
if (option instanceof NioChannelOption) {
return NioChannelOption.setOption(jdkChannel(), (NioChannelOption<T>) option, value);
}
return super.setOption(option, value);
@ -223,7 +219,7 @@ public class NioServerSocketChannel extends AbstractNioMessageChannel
@Override
public <T> T getOption(ChannelOption<T> option) {
if (PlatformDependent.javaVersion() >= 7 && option instanceof NioChannelOption) {
if (option instanceof NioChannelOption) {
return NioChannelOption.getOption(jdkChannel(), (NioChannelOption<T>) option);
}
return super.getOption(option);
@ -232,10 +228,7 @@ public class NioServerSocketChannel extends AbstractNioMessageChannel
@SuppressWarnings("unchecked")
@Override
public Map<ChannelOption<?>, Object> getOptions() {
if (PlatformDependent.javaVersion() >= 7) {
return getOptions(super.getOptions(), NioChannelOption.getOptions(jdkChannel()));
}
return super.getOptions();
return getOptions(super.getOptions(), NioChannelOption.getOptions(jdkChannel()));
}
private ServerSocketChannel jdkChannel() {

27
transport/src/main/java/io/netty/channel/socket/nio/NioSocketChannel.java
View File

@ -156,11 +156,7 @@ public class NioSocketChannel extends AbstractNioByteChannel implements io.netty
@UnstableApi
@Override
protected final void doShutdownOutput() throws Exception {
if (PlatformDependent.javaVersion() >= 7) {
javaChannel().shutdownOutput();
} else {
javaChannel().socket().shutdownOutput();
}
javaChannel().shutdownOutput();
}
@Override
@ -272,11 +268,7 @@ public class NioSocketChannel extends AbstractNioByteChannel implements io.netty
}
private void shutdownInput0() throws Exception {
if (PlatformDependent.javaVersion() >= 7) {
javaChannel().shutdownInput();
} else {
javaChannel().socket().shutdownInput();
}
javaChannel().shutdownInput();
}
@Override
@ -295,11 +287,7 @@ public class NioSocketChannel extends AbstractNioByteChannel implements io.netty
}
private void doBind0(SocketAddress localAddress) throws Exception {
if (PlatformDependent.javaVersion() >= 7) {
SocketUtils.bind(javaChannel(), localAddress);
} else {
SocketUtils.bind(javaChannel().socket(), localAddress);
}
SocketUtils.bind(javaChannel(), localAddress);
}
@Override
@ -483,7 +471,7 @@ public class NioSocketChannel extends AbstractNioByteChannel implements io.netty
@Override
public <T> boolean setOption(ChannelOption<T> option, T value) {
if (PlatformDependent.javaVersion() >= 7 && option instanceof NioChannelOption) {
if (option instanceof NioChannelOption) {
return NioChannelOption.setOption(jdkChannel(), (NioChannelOption<T>) option, value);
}
return super.setOption(option, value);
@ -491,7 +479,7 @@ public class NioSocketChannel extends AbstractNioByteChannel implements io.netty
@Override
public <T> T getOption(ChannelOption<T> option) {
if (PlatformDependent.javaVersion() >= 7 && option instanceof NioChannelOption) {
if (option instanceof NioChannelOption) {
return NioChannelOption.getOption(jdkChannel(), (NioChannelOption<T>) option);
}
return super.getOption(option);
@ -500,10 +488,7 @@ public class NioSocketChannel extends AbstractNioByteChannel implements io.netty
@SuppressWarnings("unchecked")
@Override
public Map<ChannelOption<?>, Object> getOptions() {
if (PlatformDependent.javaVersion() >= 7) {
return getOptions(super.getOptions(), NioChannelOption.getOptions(jdkChannel()));
}
return super.getOptions();
return getOptions(super.getOptions(), NioChannelOption.getOptions(jdkChannel()));
}
void setMaxBytesPerGatheringWrite(int maxBytesPerGatheringWrite) {