本文整理汇总了Java中io.netty.handler.codec.compression.CompressionException类的典型用法代码示例。如果您正苦于以下问题：Java CompressionException类的具体用法？Java CompressionException怎么用？Java CompressionException使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
CompressionException类属于io.netty.handler.codec.compression包，在下文中一共展示了CompressionException类的4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: encode
import io.netty.handler.codec.compression.CompressionException; //导入依赖的package包/类
private void encode(ByteBuf compressed) {
try {
byte[] out = new byte[(int) Math.ceil(z.next_in.length * 1.001) + 12];
z.next_out = out;
z.next_out_index = 0;
z.avail_out = out.length;
int resultCode = z.deflate(JZlib.Z_SYNC_FLUSH);
if (resultCode != JZlib.Z_OK) {
throw new CompressionException("compression failure: " + resultCode);
}
if (z.next_out_index != 0) {
compressed.writeBytes(out, 0, z.next_out_index);
}
} finally {
// Deference the external references explicitly to tell the VM that
// the allocated byte arrays are temporary so that the call stack
// can be utilized.
// I'm not sure if the modern VMs do this optimization though.
z.next_in = null;
z.next_out = null;
}
}
示例2: SpdyHeaderBlockJZlibEncoder
import io.netty.handler.codec.compression.CompressionException; //导入依赖的package包/类
SpdyHeaderBlockJZlibEncoder(
SpdyVersion version, int compressionLevel, int windowBits, int memLevel) {
super(version);
if (compressionLevel < 0 || compressionLevel > 9) {
throw new IllegalArgumentException(
"compressionLevel: " + compressionLevel + " (expected: 0-9)");
}
if (windowBits < 9 || windowBits > 15) {
throw new IllegalArgumentException(
"windowBits: " + windowBits + " (expected: 9-15)");
}
if (memLevel < 1 || memLevel > 9) {
throw new IllegalArgumentException(
"memLevel: " + memLevel + " (expected: 1-9)");
}
int resultCode = z.deflateInit(
compressionLevel, windowBits, memLevel, JZlib.W_ZLIB);
if (resultCode != JZlib.Z_OK) {
throw new CompressionException(
"failed to initialize an SPDY header block deflater: " + resultCode);
} else {
resultCode = z.deflateSetDictionary(SPDY_DICT, SPDY_DICT.length);
if (resultCode != JZlib.Z_OK) {
throw new CompressionException(
"failed to set the SPDY dictionary: " + resultCode);
}
}
}
示例3: SpdyHeaderBlockJZlibEncoder
import io.netty.handler.codec.compression.CompressionException; //导入依赖的package包/类
public SpdyHeaderBlockJZlibEncoder(
SpdyVersion version, int compressionLevel, int windowBits, int memLevel) {
super(version);
if (compressionLevel < 0 || compressionLevel > 9) {
throw new IllegalArgumentException(
"compressionLevel: " + compressionLevel + " (expected: 0-9)");
}
if (windowBits < 9 || windowBits > 15) {
throw new IllegalArgumentException(
"windowBits: " + windowBits + " (expected: 9-15)");
}
if (memLevel < 1 || memLevel > 9) {
throw new IllegalArgumentException(
"memLevel: " + memLevel + " (expected: 1-9)");
}
int resultCode = z.deflateInit(
compressionLevel, windowBits, memLevel, JZlib.W_ZLIB);
if (resultCode != JZlib.Z_OK) {
throw new CompressionException(
"failed to initialize an SPDY header block deflater: " + resultCode);
} else {
resultCode = z.deflateSetDictionary(SPDY_DICT, SPDY_DICT.length);
if (resultCode != JZlib.Z_OK) {
throw new CompressionException(
"failed to set the SPDY dictionary: " + resultCode);
}
}
}
示例4: encode
import io.netty.handler.codec.compression.CompressionException; //导入依赖的package包/类
private ByteBuf encode(ByteBufAllocator alloc) {
boolean release = true;
ByteBuf out = null;
try {
int oldNextInIndex = z.next_in_index;
int oldNextOutIndex = z.next_out_index;
int maxOutputLength = (int) Math.ceil(z.next_in.length * 1.001) + 12;
out = alloc.heapBuffer(maxOutputLength);
z.next_out = out.array();
z.next_out_index = out.arrayOffset() + out.writerIndex();
z.avail_out = maxOutputLength;
int resultCode;
try {
resultCode = z.deflate(JZlib.Z_SYNC_FLUSH);
} finally {
out.skipBytes(z.next_in_index - oldNextInIndex);
}
if (resultCode != JZlib.Z_OK) {
throw new CompressionException("compression failure: " + resultCode);
}
int outputLength = z.next_out_index - oldNextOutIndex;
if (outputLength > 0) {
out.writerIndex(out.writerIndex() + outputLength);
}
release = false;
return out;
} finally {
// Deference the external references explicitly to tell the VM that
// the allocated byte arrays are temporary so that the call stack
// can be utilized.
// I'm not sure if the modern VMs do this optimization though.
z.next_in = null;
z.next_out = null;
if (release && out != null) {
out.release();
}
}
}