/fastdfs-client-java

FastDFS java client SDK

Primary LanguageJavaBSD 3-Clause "New" or "Revised" LicenseBSD-3-Clause

FastDFS java client SDK

FastDFS Java Client API may be copied only under the terms of the BSD license.

使用ant从源码构建

ant clean package

使用maven从源码安装

mvn clean install

使用maven从jar文件安装

mvn install:install-file -DgroupId=org.csource -DartifactId=fastdfs-client-java -Dversion=${version} -Dpackaging=jar -Dfile=fastdfs-client-java-${version}.jar

在您的maven项目pom.xml中添加依赖

<dependency>
    <groupId>org.csource</groupId>
    <artifactId>fastdfs-client-java</artifactId>
    <version>1.31-SNAPSHOT</version>
</dependency>

.conf 配置文件、所在目录、加载优先顺序

配置文件名fdfs_client.conf(或使用其它文件名xxx_yyy.conf)

文件所在位置可以是项目classpath(或OS文件系统目录比如/opt/):
/opt/fdfs_client.conf
C:\Users\James\config\fdfs_client.conf

优先按OS文件系统路径读取,没有找到才查找项目classpath,尤其针对linux环境下的相对路径比如:
fdfs_client.conf
config/fdfs_client.conf
connect_timeout = 2
network_timeout = 30
charset = UTF-8
http.tracker_http_port = 80
http.anti_steal_token = no
http.secret_key = FastDFS1234567890

tracker_server = 10.0.11.247:22122
tracker_server = 10.0.11.248:22122
tracker_server = 10.0.11.249:22122

connection_pool.enabled = true
connection_pool.max_count_per_entry = 500
connection_pool.max_idle_time = 3600
connection_pool.max_wait_time_in_ms = 1000
注1:tracker_server指向您自己IP地址和端口,1-n个
注2:除了tracker_server,其它配置项都是可选的

.properties 配置文件、所在目录、加载优先顺序

配置文件名 fastdfs-client.properties(或使用其它文件名 xxx-yyy.properties)

文件所在位置可以是项目classpath(或OS文件系统目录比如/opt/):
/opt/fastdfs-client.properties
C:\Users\James\config\fastdfs-client.properties

优先按OS文件系统路径读取,没有找到才查找项目classpath,尤其针对linux环境下的相对路径比如:
fastdfs-client.properties
config/fastdfs-client.properties
fastdfs.connect_timeout_in_seconds = 5
fastdfs.network_timeout_in_seconds = 30
fastdfs.charset = UTF-8
fastdfs.http_anti_steal_token = false
fastdfs.http_secret_key = FastDFS1234567890
fastdfs.http_tracker_http_port = 80

fastdfs.tracker_servers = 10.0.11.201:22122,10.0.11.202:22122,10.0.11.203:22122

fastdfs.connection_pool.enabled = true
fastdfs.connection_pool.max_count_per_entry = 500
fastdfs.connection_pool.max_idle_time = 3600
fastdfs.connection_pool.max_wait_time_in_ms = 1000
注1:properties 配置文件中属性名跟 conf 配置文件不尽相同,并且统一加前缀"fastdfs.",便于整合到用户项目配置文件
注2:fastdfs.tracker_servers 配置项不能重复属性名,多个 tracker_server 用逗号","隔开
注3:除了fastdfs.tracker_servers,其它配置项都是可选的

加载配置示例

加载原 conf 格式文件配置:
ClientGlobal.init("fdfs_client.conf");
ClientGlobal.init("config/fdfs_client.conf");
ClientGlobal.init("/opt/fdfs_client.conf");
ClientGlobal.init("C:\\Users\\James\\config\\fdfs_client.conf");

加载 properties 格式文件配置:
ClientGlobal.initByProperties("fastdfs-client.properties");
ClientGlobal.initByProperties("config/fastdfs-client.properties");
ClientGlobal.initByProperties("/opt/fastdfs-client.properties");
ClientGlobal.initByProperties("C:\\Users\\James\\config\\fastdfs-client.properties");

加载 Properties 对象配置:
Properties props = new Properties();
props.put(ClientGlobal.PROP_KEY_TRACKER_SERVERS, "10.0.11.101:22122,10.0.11.102:22122");
ClientGlobal.initByProperties(props);

加载 trackerServers 字符串配置:
String trackerServers = "10.0.11.101:22122,10.0.11.102:22122";
ClientGlobal.initByTrackers(trackerServers);

检查加载配置结果:

System.out.println("ClientGlobal.configInfo(): " + ClientGlobal.configInfo());
ClientGlobal.configInfo(): {
  g_connect_timeout(ms) = 5000
  g_network_timeout(ms) = 30000
  g_charset = UTF-8
  g_anti_steal_token = false
  g_secret_key = FastDFS1234567890
  g_tracker_http_port = 80
  g_connection_pool_enabled = true
  g_connection_pool_max_count_per_entry = 500
  g_connection_pool_max_idle_time(ms) = 3600000
  g_connection_pool_max_wait_time_in_ms(ms) = 1000
  trackerServers = 10.0.11.101:22122,10.0.11.102:22122
}