本文整理汇总了Java中io.netty.channel.DefaultFileRegion类的典型用法代码示例。如果您正苦于以下问题：Java DefaultFileRegion类的具体用法？Java DefaultFileRegion怎么用？Java DefaultFileRegion使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DefaultFileRegion类属于io.netty.channel包，在下文中一共展示了DefaultFileRegion类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: toContent
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
private static Object toContent(Object content) {
if (content instanceof File) {
File file = (File) content;
return new DefaultFileRegion(file, 0, file.length());
}
if (content instanceof InputStream) {
return new ChunkedStream((InputStream) content);
}
if (content instanceof ReadableByteChannel) {
return new ChunkedNioStream((ReadableByteChannel) content);
}
if (content instanceof byte[]) {
return Unpooled.wrappedBuffer((byte[]) content);
}
throw new IllegalArgumentException("unknown content type : " + content.getClass().getName());
}
示例2: toContent
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
private static Object toContent(Object content) {
if (content instanceof File) {
File file = (File) content;
return new DefaultFileRegion(file, 0, file.length());
}
if (content instanceof InputStream) {
return new ChunkedStream((InputStream) content);
}
if (content instanceof ReadableByteChannel) {
return new ChunkedNioStream((ReadableByteChannel) content);
}
if (content instanceof byte[]) {
return Unpooled.wrappedBuffer((byte[]) content);
}
throw new IllegalArgumentException(
"unknown content type : " + content.getClass().getName());
}
示例3: messageReceived
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
@Override
protected void messageReceived(ChannelHandlerContext cxt, String msg)
throws Exception {
File file = new File(msg);
if(file.exists()) {
if(!file.isFile()){
cxt.writeAndFlush("No file " + file + CR);
}
cxt.writeAndFlush("file " + file.length() + CR);
RandomAccessFile randomAccessFile = new RandomAccessFile(msg, "r");
FileRegion fileRegion = new DefaultFileRegion(randomAccessFile.getChannel(), 0, randomAccessFile.length());
cxt.write(fileRegion);
cxt.writeAndFlush(CR);
randomAccessFile.close();
}else{
cxt.writeAndFlush("File not found: " + file + CR);
}
}
示例4: channelRead0
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
@Override
public void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {
RandomAccessFile raf = null;
long length = -1;
try {
raf = new RandomAccessFile(msg, "r");
length = raf.length();
} catch (Exception e) {
ctx.writeAndFlush("ERR: " + e.getClass().getSimpleName() + ": " + e.getMessage() + '\n');
return;
} finally {
if (length < 0 && raf != null) {
raf.close();
}
}
ctx.write("OK: " + raf.length() + '\n');
if (ctx.pipeline().get(SslHandler.class) == null) {
// SSL not enabled - can use zero-copy file transfer.
ctx.write(new DefaultFileRegion(raf.getChannel(), 0, length));
} else {
// SSL enabled - cannot use zero-copy file transfer.
ctx.write(new ChunkedFile(raf));
}
ctx.writeAndFlush("\n");
}
示例5: testEncode
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
/**
* This unit test case ensures that {@link FileRegionEncoder} indeed wraps {@link FileRegion} to
* {@link ByteBuf}.
* @throws IOException if there is an error.
*/
@Test
public void testEncode() throws IOException {
FileRegionEncoder fileRegionEncoder = new FileRegionEncoder();
EmbeddedChannel channel = new EmbeddedChannel(fileRegionEncoder);
File file = File.createTempFile(UUID.randomUUID().toString(), ".data");
file.deleteOnExit();
Random random = new Random(System.currentTimeMillis());
int dataLength = 1 << 10;
byte[] data = new byte[dataLength];
random.nextBytes(data);
write(file, data);
FileRegion fileRegion = new DefaultFileRegion(file, 0, dataLength);
Assert.assertEquals(0, fileRegion.transfered());
Assert.assertEquals(dataLength, fileRegion.count());
Assert.assertTrue(channel.writeOutbound(fileRegion));
ByteBuf out = (ByteBuf) channel.readOutbound();
byte[] arr = new byte[out.readableBytes()];
out.getBytes(0, arr);
Assert.assertArrayEquals("Data should be identical", data, arr);
}
示例6: messageReceived
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
public void messageReceived(ChannelHandlerContext ctx, String msg)
throws Exception {
File file = new File(msg);
if (file.exists()) {
if (!file.isFile()) {
ctx.writeAndFlush("Not a file : " + file + CR);
return;
}
ctx.write(file + " " + file.length() + CR);
RandomAccessFile randomAccessFile = new RandomAccessFile(msg, "r");
FileRegion region = new DefaultFileRegion(
randomAccessFile.getChannel(), 0, randomAccessFile.length());
ctx.write(region);
ctx.writeAndFlush(CR);
randomAccessFile.close();
} else {
ctx.writeAndFlush("File not found: " + file + CR);
}
}
示例7: doWriteSingle
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
protected boolean doWriteSingle(ChannelOutboundBuffer in, int writeSpinCount) throws Exception {
// The outbound buffer contains only one message or it contains a file region.
Object msg = in.current();
if (msg instanceof ByteBuf) {
ByteBuf buf = (ByteBuf) msg;
if (!writeBytes(in, buf, writeSpinCount)) {
// was not able to write everything so break here we will get notified later again once
// the network stack can handle more writes.
return false;
}
} else if (msg instanceof DefaultFileRegion) {
DefaultFileRegion region = (DefaultFileRegion) msg;
if (!writeFileRegion(in, region, writeSpinCount)) {
// was not able to write everything so break here we will get notified later again once
// the network stack can handle more writes.
return false;
}
} else {
// Should never reach here.
throw new Error();
}
return true;
}
示例8: messageReceived
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
@Override
protected void messageReceived(ChannelHandlerContext ctx, String msg) throws Exception {
File file = new File(msg);
if (file.exists()) {
if (!file.isFile()) {
ctx.writeAndFlush("not a file :" + file + CR);
return;
}
ctx.write(file + " " + file.length() + CR);
RandomAccessFile raf = new RandomAccessFile(file, "r");
FileRegion fileRegion = new DefaultFileRegion(raf.getChannel(), 0, raf.length());
ctx.write(fileRegion);
ctx.writeAndFlush(CR);
raf.close();
} else {
ctx.writeAndFlush("file not found: " + file + CR);
}
}
示例9: messageReceived
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
public void messageReceived(ChannelHandlerContext ctx, String msg)
throws Exception {
File file = new File(msg);
if (file.exists()) {
if (!file.isFile()) {
ctx.writeAndFlush("Not a file : " + file + CR);
return;
}
ctx.write(file + " " + file.length() + CR);
RandomAccessFile randomAccessFile = new RandomAccessFile(msg, "r");
FileRegion region = new DefaultFileRegion(
randomAccessFile.getChannel(), 0, randomAccessFile.length());
ctx.write(region);
ctx.writeAndFlush(CR);
randomAccessFile.close();
} else {
ctx.writeAndFlush("File not found: " + file + CR);
}
}
示例10: messageReceived
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
@Override
protected void messageReceived(ChannelHandlerContext ctx, String msg) throws Exception {
RandomAccessFile raf = null;
long length = -1;
try {
raf = new RandomAccessFile(msg, "r");
length = raf.length();
} catch (Exception e) {
ctx.writeAndFlush("ERR: " + e.getClass().getSimpleName() + ": " + e.getMessage() + '\n');
return;
} finally {
if (length < 0 && raf != null) {
raf.close();
}
}
ctx.write("OK: " + raf.length() + '\n');
if (ctx.pipeline().get(SslHandler.class) == null) {
// SSL not enabled - can use zero-copy file transfer.
ctx.write(new DefaultFileRegion(raf.getChannel(), 0, length));
} else {
// SSL enabled - cannot use zero-copy file transfer.
ctx.write(new ChunkedFile(raf));
}
ctx.writeAndFlush("\n");
}
示例11: channelRead0
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
@Override
public void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {
File file = new File(msg);
if (file.exists()) {
if (!file.isFile()) {
ctx.writeAndFlush("Not a file: " + file + '\n');
return;
}
ctx.write(file + " " + file.length() + '\n');
FileInputStream fis = new FileInputStream(file);
FileRegion region = new DefaultFileRegion(fis.getChannel(), 0, file.length());
ctx.write(region);
ctx.writeAndFlush("\n");
fis.close();
} else {
ctx.writeAndFlush("File not found: " + file + '\n');
}
}
示例12: channelRead0
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
@Override
protected void channelRead0(ChannelHandlerContext ctx, String msg)
throws Exception {
File file = new File(msg);
if (file.exists()) {
if (!file.isFile()) {
ctx.writeAndFlush("Not a file: " + file + '\n');
return;
}
ctx.write(file + " " + file.length() + '\n');
FileInputStream fis = new FileInputStream(file);
FileRegion region = new DefaultFileRegion(fis.getChannel(), 0, file.length());
ctx.write(region);
ctx.writeAndFlush("\n");
fis.close();
} else {
ctx.writeAndFlush("File not found: " + file + '\n');
}
}
示例13: messageReceived
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
@Override
public void messageReceived(ChannelHandlerContext ctx, String msg) throws Exception {
File file = new File(msg);
if (file.exists()) {
if (!file.isFile()) {
ctx.writeAndFlush("Not a file: " + file + '\n');
return;
}
ctx.write(file + " " + file.length() + '\n');
FileInputStream fis = new FileInputStream(file);
FileRegion region = new DefaultFileRegion(fis.getChannel(), 0, file.length());
ctx.write(region);
ctx.writeAndFlush("\n");
fis.close();
} else {
ctx.writeAndFlush("File not found: " + file + '\n');
}
}
示例14: sendFile
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
/**
* Send response immediately for a file response
*
* @param raf RandomAccessFile
*/
public void sendFile(RandomAccessFile raf, long length) {
setDate();
setPowerBy();
setResponseTime();
header(CONTENT_LENGTH, Long.toString(length));
setHttpResponse(new DefaultHttpResponse(HTTP_1_1, getStatus(), true));
// Write initial line and headers
channelCxt.write(httpResponse);
// Write content
ChannelFuture sendFileFuture;
ChannelFuture lastContentFuture;
if (false /* if has ssl handler */) {
// TODO support ssl
} else {
sendFileFuture = channelCxt.write(new DefaultFileRegion(raf.getChannel(), 0, length), channelCxt.newProgressivePromise());
lastContentFuture = channelCxt.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
}
sendFileFuture.addListener(new ProgressiveFutureListener(raf));
if (!keepAlive) {
lastContentFuture.addListener(ChannelFutureListener.CLOSE);
}
flush();
}
示例15: convertToNetty
import io.netty.channel.DefaultFileRegion; //导入依赖的package包/类
@Override
public Object convertToNetty() throws IOException {
if (conf.lazyFileDescriptor()) {
return new DefaultFileRegion(file, offset, length);
} else {
FileChannel fileChannel = new FileInputStream(file).getChannel();
return new DefaultFileRegion(fileChannel, offset, length);
}
}