Java ChannelBufferInputStream类代码示例

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel,
		ChannelBuffer buffer) throws Exception {
	ChannelBuffer frame = (ChannelBuffer) super
			.decode(ctx, channel, buffer);
	if (frame == null) {
		return null;
	}
	ChannelBufferInputStream in = new ChannelBufferInputStream(frame);
	Hessian2Input jim = new Hessian2Input(in);
	try {
		Object o = jim.readObject();
		return o;
	} finally {
		jim.close();
	}
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
protected Object decode(ChannelHandlerContext ctx,
                        Channel channel,
                        ChannelBuffer buffer) throws Exception {
    List<SyncMessage> ms = null;
    ChannelBuffer frame = null;
    while (null != (frame = (ChannelBuffer) super.decode(ctx, channel, 
                                                         buffer))) {
        if (ms == null) ms = new ArrayList<SyncMessage>();
        ChannelBufferInputStream is = new ChannelBufferInputStream(frame);
        TCompactProtocol thriftProtocol =
                new TCompactProtocol(new TIOStreamTransport(is));
        SyncMessage bsm = new SyncMessage();
        bsm.read(thriftProtocol);
        ms.add(bsm);
    }
    return ms;
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
public void parse(HttpRequest req) throws IOException {

      final JsonParser parser = jsonFactory.createJsonParser(
              new ChannelBufferInputStream(req.getContent()));

      parser.nextToken(); // Skip the wrapper

      while (parser.nextToken() != JsonToken.END_OBJECT) {

        final String metric = parser.getCurrentName();

        JsonToken currentToken = parser.nextToken();
        if (currentToken == JsonToken.START_OBJECT) {
          parseMetricObject(metric, parser);
        } else if (currentToken == JsonToken.START_ARRAY) {
          int illegalTokens = parseMetricArray(metric, parser);
          if(illegalTokens > 0) {
              logger.warn("{} illegal tokens encountered", illegalTokens);
          }
        } else {
          logger.warn("Illegal token: expected {} or {}, but was {}: {}",new Object[] {
                  JsonToken.START_OBJECT, JsonToken.START_ARRAY, currentToken, parser.getText()});
        }
      }
    }
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel,
		ChannelBuffer buffer) throws Exception {
	ChannelBuffer frame = (ChannelBuffer) super
			.decode(ctx, channel, buffer);
	if (frame == null) {
		return null;
	}
	ChannelBufferInputStream in = new ChannelBufferInputStream(frame);
	JBossObjectInputStream jim = new JBossObjectInputStream(in);
	try {
		Object o = jim.readObject();
		return o;
	} finally {
		jim.close();
	}
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
protected Object decode(ChannelHandlerContext context, Channel channel,
		ChannelBuffer buffer) throws Exception {
	if (buffer.readableBytes() < 2) {
		return null;
	}
	byte byte1 = buffer.readByte();
	byte byte2 = buffer.readByte();
	if (byte1 != Constants.MAGIC_HIGH || byte2 != Constants.MAGIC_LOW) {
		throw new RuntimeException("magic number not right");
	}
	ChannelBufferInputStream in = new ChannelBufferInputStream(buffer);
	RpcResponse response = MySerializerFactory.getInstance(Constants.DEFAULT_RPC_CODE_MODE).decodeResponse(in);
	return response;
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel,
		ChannelBuffer buffer) throws Exception {
	if (buffer.readableBytes() < 2) {
		return null;
	}
	byte byte1 = buffer.readByte();
	byte byte2 = buffer.readByte();
	if (byte1!=Constants.MAGIC_HIGH || byte2!=Constants.MAGIC_LOW) {
		throw new RuntimeException("magic number not right");
	}
	ChannelBufferInputStream in = new ChannelBufferInputStream(buffer);
	RpcRequest request = MySerializerFactory.getInstance(Constants.DEFAULT_RPC_CODE_MODE).decodeRequest(in);
	return request;
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
protected Object decode(ChannelHandlerContext ctx, Channel chan,
                        ChannelBuffer buffer, VoidEnum state) throws Exception {
    Message message = serializer.deserialize(new ChannelBufferInputStream(buffer));
    if (message instanceof VersionMessage)
        onVersionMessage(message);
    return message;
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
public void readEntryComplete(int rc, long ledgerId, final long entryId, final ChannelBuffer buffer, Object ctx) {
    final LedgerEntry entry = (LedgerEntry) ctx;

    if (rc != BKException.Code.OK) {
        logErrorAndReattemptRead(entry, "Error: " + BKException.getMessage(rc), rc);
        return;
    }
    
    ChannelBufferInputStream is;
    try {
        is = lh.macManager.verifyDigestAndReturnData(entryId, buffer);
    } catch (BKDigestMatchException e) {
        logErrorAndReattemptRead(entry, "Mac mismatch", BKException.Code.DigestMatchException);
        return;
    }

    entry.entryDataStream = is;
    
    
    /*
     * The length is a long and it is the last field of the metadata of an entry.
     * Consequently, we have to subtract 8 from METADATA_LENGTH to get the length.
     */
    entry.length = buffer.getLong(DigestManager.METADATA_LENGTH - 8);

    numPendingReads--;
    if (numPendingReads == 0) {
        cb.readComplete(BKException.Code.OK, lh, PendingReadOp.this, PendingReadOp.this.ctx);
    }

}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
/**
 * Handles a prepared WebSocket API invocation
 * @param asMap true if the JSON reponse is a map, false if it is an array
 * @param request The prepared HTTP request so we can piggy-back on the existing RpcHandler services.
 * @param response The JSONResponse to write back to
 * @throws IOException thrown on IO errors
 */
protected void invoke(boolean asMap, HttpRequest request, JSONResponse response) throws IOException {
	try {
		JsonGenerator generator = response.writeHeader(asMap);
		InvocationChannel ichannel = new InvocationChannel();
		HttpQuery query = new HttpQuery(tsdb, request, ichannel);
		String baseRoute = query.getQueryBaseRoute();
		rpcHandler.messageReceived(null, new UpstreamMessageEvent(ichannel, request, null));
		HttpResponse resp = (HttpResponse)ichannel.getWrites().get(0);			
		ChannelBuffer content = resp.getContent();
		ChannelBufferInputStream cbis =  new ChannelBufferInputStream(content);
		ObjectReader reader = jsonMapper.reader();
		JsonNode contentNode = reader.readTree(cbis);
		cbis.close();
		if(asMap) {
			ObjectNode on = (ObjectNode)contentNode;
			Iterator<Map.Entry<String, JsonNode>> nodeIter = on.fields();
			while(nodeIter.hasNext()) {
				Map.Entry<String, JsonNode> node = nodeIter.next();
				generator.writeObjectField(node.getKey(), node.getValue());
			}
		} else {
			ArrayNode an = (ArrayNode)contentNode;
			for(int i = 0; i < an.size(); i++) {
				generator.writeObject(an.get(i));
			}			
		}
		response.closeGenerator();
	} catch (Exception ex) {
		throw new RuntimeException(ex);
	}
	
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception
{
	if (!(msg instanceof ChannelBuffer))
	{
		return msg;
	}

	ChannelBuffer buf = (ChannelBuffer) msg;
	if (buf.hasArray())
	{
		final int offset = buf.readerIndex();
		if (extensionRegistry == null)
		{
			return prototype.newBuilderForType()
					.mergeFrom(buf.array(), buf.arrayOffset() + offset, buf.readableBytes()).build();
		}
		else
		{
			return prototype.newBuilderForType()
					.mergeFrom(buf.array(), buf.arrayOffset() + offset, buf.readableBytes(), extensionRegistry)
					.build();
		}
	}
	else
	{
		if (extensionRegistry == null)
		{
			return prototype.newBuilderForType().mergeFrom(new ChannelBufferInputStream((ChannelBuffer) msg))
					.build();
		}
		else
		{
			return prototype.newBuilderForType()
					.mergeFrom(new ChannelBufferInputStream((ChannelBuffer) msg), extensionRegistry).build();
		}
	}
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
protected Object decode(ChannelHandlerContext channelHandlerContext,
		Channel channel, Object o) throws Exception
{
	ChannelBuffer cb = (ChannelBuffer)o;

	Unpickler unpickler = new Unpickler();

	return (unpickler.load(new ChannelBufferInputStream(cb)));
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
/**
 * Return a {@link ChannelBufferInputStream} if the wrapped
 * {@link ChannelBuffer} contains enough data. If not it will throw a
 * {@link NotEnoughDataException}
 */
public InputStream read(int size, boolean extraCRLF) throws DecodingException {
    int crlf = 0;
    if (extraCRLF) {
        crlf = 2;
    }
    
    if (maxLiteralSize > 0 && maxLiteralSize > size) {
        throw new DecodingException(HumanReadableText.FAILED, "Specified literal is greater then the allowed size");
    }
    // Check if we have enough data
    if (size + crlf > buffer.readableBytes()) {
        // ok let us throw a exception which till the decoder how many more
        // bytes we need
        throw new NotEnoughDataException(size + read + crlf);
    }

    // Unset the next char.
    nextSeen = false;
    nextChar = 0;

    // limit the size via commons-io as ChannelBufferInputStream size limiting is buggy
    InputStream in = new BoundedInputStream(new ChannelBufferInputStream(buffer), size); 
    if (extraCRLF) {
        return new EolInputStream(this, in);
    } else {
        return in;
    }
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
public void decode( ChannelBuffer buffer ) throws IOException {
    super.decode( buffer );
    buffer.readInt();
    fullCollectionName = readCString( buffer );
    flags = buffer.readInt();
    selector = BSONUtils.decoder().readObject( new ChannelBufferInputStream( buffer ) );
    update = BSONUtils.decoder().readObject( new ChannelBufferInputStream( buffer ) );
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
public void decode( ChannelBuffer buffer ) throws IOException {
    super.decode( buffer );
    flags = buffer.readInt();
    fullCollectionName = readCString( buffer );
    numberToSkip = buffer.readInt();
    numberToReturn = buffer.readInt();
    query = BSONUtils.decoder().readObject( new ChannelBufferInputStream( buffer ) );
    if ( buffer.readable() ) {
        returnFieldSelector = BSONUtils.decoder().readObject( new ChannelBufferInputStream( buffer ) );
        logger.info( "found fieldSeclector: {}", returnFieldSelector );
    }
}
 

import org.jboss.netty.buffer.ChannelBufferInputStream; //导入依赖的package包/类
@Override
public void decode( ChannelBuffer buffer ) throws IOException {
    super.decode( buffer );

    responseFlags = buffer.readInt();
    cursorID = buffer.readLong();
    startingFrom = buffer.readInt();
    numberReturned = buffer.readInt();

    while ( buffer.readable() ) {
        documents.add( BSONUtils.decoder().readObject( new ChannelBufferInputStream( buffer ) ) );
    }
}