/**
* 初始化<br>
* 设定文件中的host和端口有三种形式： --------------------- host = host:port --------------------- host = host
* port = port --------------------- #此种形式使用MongoDB默认端口 host = host ---------------------
*/
public synchronized void initSingle() {
if (setting == null) {
try {
setting = new Setting(MONGO_CONFIG_PATH, CharsetUtil.UTF_8, true);
} catch (Exception e) {
// 在single模式下，可以没有配置文件。
}
}
String group = StrUtil.EMPTY;
if (serverAddress == null) {
if (groups != null && groups.length == 1) {
group = groups[0];
}
serverAddress = createServerAddress(group);
}
try {
mongo = new MongoClient(serverAddress, buildMongoClientOptions(group));
} catch (Exception e) {
throw new UtilException(
StrUtil.format("Init MongoDB pool with connection to [{}] error!", serverAddress), e);
}
log.info("Init MongoDB pool with connection to [{}]", serverAddress);
}
/**
* 根目录
*
* @param root 根目录绝对路径
*/
public static void setRoot(File root) {
if (root.exists() == false) {
root.mkdirs();
} else if (root.isDirectory() == false) {
throw new ServerSettingException(StrUtil.format("{} is not a directory!", root.getPath()));
}
ServerSetting.root = root;
}
/**
* 认证字符串
*
* @param publicKey 公钥
* @param signature 签名
* @return 认证字符串
*/
public static String authorization(String publicKey, String signature) {
return StrUtil.builder()
.append("UCloud ")
.append(publicKey)
.append(":")
.append(signature)
.toString();
}
/**
* 增加Action类，已有的Action类将被覆盖<br>
* 自动读取Route的注解来获得Path路径
*
* @param action 带注解的Action对象
*/
public static void setAction(Action action) {
final Route route = action.getClass().getAnnotation(Route.class);
if (route != null) {
final String path = route.value();
if (StrUtil.isNotBlank(path)) {
setAction(path, action);
return;
}
}
throw new ServerSettingException(
"Can not find Route annotation,please add annotation to Action class!");
}
/**
* 创建ServerAddress对象，会读取配置文件中的相关信息
*
* @param group 分组，如果为null默认为无分组
* @return ServerAddress
*/
private ServerAddress createServerAddress(String group) {
if (setting == null) {
throw new UtilException(
StrUtil.format(
"Please indicate setting file or create default [{}], and define group [{}]",
MONGO_CONFIG_PATH,
group));
}
if (group == null) {
group = StrUtil.EMPTY;
}
String tmpHost = setting.getString("host", group);
if (StrUtil.isBlank(tmpHost)) {
throw new NotInitedException("Host name is empy of group: " + group);
}
final int defaultPort = setting.getInt("port", group, 27017);
return new ServerAddress(NetUtil.buildInetSocketAddress(tmpHost, defaultPort));
}
/**
* 用于签名的字符串
*
* @param bucket Bucket
* @param key 文件key
* @param contentMd5 内容的md5值
* @param date 日期
* @param request 请求对象
* @return 用于签名的字符串
*/
public static String strToSign(
String bucket, String key, String contentMd5, String date, HttpRequest request) {
String contentType = request.contentType();
if (StrUtil.isBlank(contentType)) {
contentType = "text/plain";
request.contentType(contentType);
log.warn("Content-Type header is empty, use default Content-Type: {}", contentType);
}
return StrUtil.builder()
.append(request.method())
.append("\n")
.append(StrUtil.nullToEmpty(contentMd5))
.append("\n")
.append(contentType)
.append("\n")
.append(StrUtil.nullToEmpty(date))
.append("\n")
.append(canonicalizedUcloudHeaders(request))
// canonicalizedUcloudHeaders尾部带一个换行符
.append(canonicalizedResource(bucket, key))
.toString();
}
/**
* 设置Action类，已有的Action类将被覆盖
*
* @param path 拦截路径（必须以"/"开头）
* @param action Action类
*/
public static void setAction(String path, Action action) {
if (StrUtil.isBlank(path)) {
path = StrUtil.SLASH;
}
if (null == action) {
log.warn("Added blank action, pass it.");
return;
}
// 所有路径必须以 "/" 开头，如果没有则补全之
if (false == path.startsWith(StrUtil.SLASH)) {
path = StrUtil.SLASH + path;
}
ServerSetting.actionMap.put(path, action);
}
/**
* 当返回内容为压缩内容时，解压，并去除Gzip头标识
*
* @return HttpResponse
*/
private HttpResponse unzip() {
String contentEncoding = contentEncoding();
if (contentEncoding != null && contentEncoding().equals("gzip")) {
if (body != null) {
removeHeader(Header.CONTENT_ENCODING);
try {
ByteArrayInputStream in = new ByteArrayInputStream(StrUtil.bytes(this.body, charset));
GZIPInputStream gzipInputStream = new GZIPInputStream(in);
ByteArrayOutputStream out = new ByteArrayOutputStream();
IoUtil.copy(gzipInputStream, out);
this.body = out.toString(charset);
} catch (IOException ioex) {
throw new HttpException(ioex);
}
}
}
return this;
}
/**
* 用于签名的标准Ucloud头信息字符串，尾部带换行符
*
* @param request Http请求
* @return 用于签名的Ucloud头信息字符串
*/
public static String canonicalizedUcloudHeaders(HttpRequest request) {
Param param = Param.create();
Map<String, String[]> headers = request.headers();
String[] value;
for (Entry<String, String[]> headerEntry : headers.entrySet()) {
String name = headerEntry.getKey().toLowerCase();
if (name.startsWith("x-ucloud-")) {
value = headerEntry.getValue();
if (value != null && value.length > 0) {
param.set(name, value[0]);
}
}
}
StringBuilder builder = StrUtil.builder();
for (Entry<String, Object> entry : param.entrySet()) {
builder.append(entry.getKey()).append(":").append(entry.getValue()).append("\n");
}
return builder.toString();
}
public StatefulException(String messageTemplate, Object... params) {
super(StrUtil.format(messageTemplate, params));
}
/**
* 获得路径对应的Action
*
* @param path 路径，为空时将获得 根目录对应的Action
* @return Action
*/
public static Action getAction(String path) {
if (StrUtil.isBlank(path)) {
path = StrUtil.SLASH;
}
return getActionMap().get(path.trim());
}
/**
* 获得路径对应的Filter
*
* @param path 路径，为空时将获得 根目录对应的Action
* @return Filter
*/
public static Filter getFilter(String path) {
if (StrUtil.isBlank(path)) {
path = StrUtil.SLASH;
}
return getFilterMap().get(path.trim());
}
public SettingException(Throwable throwable, String messageTemplate, Object... params) {
super(StrUtil.format(messageTemplate, params), throwable);
}
/**
* 获取响应流字节码
*
* @return byte[]
*/
public byte[] bodyBytes() {
if (body == null) {
return null;
}
return StrUtil.bytes(body, charset);
}
/**
* 构件MongoDB连接选项<br>
*
* @param group 分组，当分组对应的选项不存在时会读取根选项，如果也不存在使用默认值
* @return Builder
*/
private Builder buildMongoClientOptions(Builder builder, String group) {
if (setting == null) {
return builder;
}
if (group == null) {
group = StrUtil.EMPTY;
} else {
group = group + StrUtil.DOT;
}
// 每个主机答应的连接数（每个主机的连接池大小），当连接池被用光时，会被阻塞住
Integer connectionsPerHost = setting.getInt(group + "connectionsPerHost");
if (StrUtil.isBlank(group) == false && connectionsPerHost == null) {
connectionsPerHost = setting.getInt("connectionsPerHost");
}
if (connectionsPerHost != null) {
builder.connectionsPerHost(connectionsPerHost);
log.debug("MongoDB connectionsPerHost: {}", connectionsPerHost);
}
// multiplier for connectionsPerHost for # of threads that can block if connectionsPerHost is
// 10, and threadsAllowedToBlockForConnectionMultiplier is 5, then 50 threads can block more
// than that and an exception will be throw --int
Integer threadsAllowedToBlockForConnectionMultiplier =
setting.getInt(group + "threadsAllowedToBlockForConnectionMultiplier");
if (StrUtil.isBlank(group) == false && threadsAllowedToBlockForConnectionMultiplier == null) {
threadsAllowedToBlockForConnectionMultiplier =
setting.getInt("threadsAllowedToBlockForConnectionMultiplier");
}
if (threadsAllowedToBlockForConnectionMultiplier != null) {
builder.threadsAllowedToBlockForConnectionMultiplier(
threadsAllowedToBlockForConnectionMultiplier);
log.debug(
"MongoDB threadsAllowedToBlockForConnectionMultiplier: {}",
threadsAllowedToBlockForConnectionMultiplier);
}
// 被阻塞线程从连接池获取连接的最长等待时间（ms） --int
Integer connectTimeout = setting.getInt(group + "connectTimeout");
if (StrUtil.isBlank(group) == false && connectTimeout == null) {
setting.getInt("connectTimeout");
}
if (connectTimeout != null) {
builder.connectTimeout(connectTimeout);
log.debug("MongoDB connectTimeout: {}", connectTimeout);
}
// 套接字超时时间;该值会被传递给Socket.setSoTimeout(int)。默以为0（无穷） --int
Integer socketTimeout = setting.getInt(group + "socketTimeout");
if (StrUtil.isBlank(group) == false && socketTimeout == null) {
setting.getInt("socketTimeout");
}
if (socketTimeout != null) {
builder.socketTimeout(socketTimeout);
log.debug("MongoDB socketTimeout: {}", socketTimeout);
}
// This controls whether or not to have socket keep alive turned on (SO_KEEPALIVE). defaults to
// false --boolean
Boolean socketKeepAlive = setting.getBool(group + "socketKeepAlive");
if (StrUtil.isBlank(group) == false && socketKeepAlive == null) {
socketKeepAlive = setting.getBool("socketKeepAlive");
}
if (socketKeepAlive != null) {
builder.socketKeepAlive(socketKeepAlive);
log.debug("MongoDB socketKeepAlive: {}", socketKeepAlive);
}
return builder;
}
/**
* 用于签名的标准资源字符串
*
* @param bucket Bucket
* @param key 文件的key（在Ufile中的文件名）
* @return 标准资源字符串
*/
public static String canonicalizedResource(String bucket, String key) {
return StrUtil.builder().append("/").append(bucket).append("/").append(key).toString();
}