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TDengine
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af51dce4
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TDengine
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体验新版 GitCode,发现更多精彩内容 >>
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af51dce4
编写于
11月 18, 2020
作者:
Z
zyyang
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[TD-1859]<feature>: a JDBC implementation use TDengine Restful Interface
上级
df74e517
变更
10
展开全部
隐藏空白更改
内联
并排
Showing
10 changed file
with
2444 addition
and
167 deletion
+2444
-167
src/connector/jdbc/pom.xml
src/connector/jdbc/pom.xml
+17
-0
src/connector/jdbc/src/main/java/com/taosdata/jdbc/AbstractTaosDriver.java
...c/src/main/java/com/taosdata/jdbc/AbstractTaosDriver.java
+161
-0
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
...ctor/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
+6
-167
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulConnection.java
...main/java/com/taosdata/jdbc/rs/TaosRestfulConnection.java
+318
-0
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulDriver.java
...src/main/java/com/taosdata/jdbc/rs/TaosRestfulDriver.java
+91
-0
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulResultSet.java
.../main/java/com/taosdata/jdbc/rs/TaosRestfulResultSet.java
+1180
-0
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulResultSetMetaData.java
...va/com/taosdata/jdbc/rs/TaosRestfulResultSetMetaData.java
+129
-0
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulStatement.java
.../main/java/com/taosdata/jdbc/rs/TaosRestfulStatement.java
+280
-0
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/util/HttpClientPoolUtil.java
...in/java/com/taosdata/jdbc/rs/util/HttpClientPoolUtil.java
+222
-0
src/connector/jdbc/src/test/java/com/taosdata/jdbc/rs/TaosRestfulDriverTest.java
...test/java/com/taosdata/jdbc/rs/TaosRestfulDriverTest.java
+40
-0
未找到文件。
src/connector/jdbc/pom.xml
浏览文件 @
af51dce4
...
...
@@ -56,6 +56,23 @@
<scope>
test
</scope>
</dependency>
<!-- for restful -->
<dependency>
<groupId>
org.apache.httpcomponents
</groupId>
<artifactId>
httpclient
</artifactId>
<version>
4.5.8
</version>
</dependency>
<dependency>
<groupId>
org.apache.commons
</groupId>
<artifactId>
commons-lang3
</artifactId>
<version>
3.9
</version>
</dependency>
<dependency>
<groupId>
com.alibaba
</groupId>
<artifactId>
fastjson
</artifactId>
<version>
1.2.58
</version>
</dependency>
</dependencies>
<build>
<plugins>
...
...
src/connector/jdbc/src/main/java/com/taosdata/jdbc/AbstractTaosDriver.java
0 → 100644
浏览文件 @
af51dce4
package
com.taosdata.jdbc
;
import
java.io.*
;
import
java.sql.Driver
;
import
java.sql.DriverPropertyInfo
;
import
java.util.ArrayList
;
import
java.util.List
;
import
java.util.Properties
;
import
java.util.StringTokenizer
;
public
abstract
class
AbstractTaosDriver
implements
Driver
{
private
static
final
String
TAOS_CFG_FILENAME
=
"taos.cfg"
;
/**
* @param cfgDirPath
* @return return the config dir
**/
protected
File
loadConfigDir
(
String
cfgDirPath
)
{
if
(
cfgDirPath
==
null
)
return
loadDefaultConfigDir
();
File
cfgDir
=
new
File
(
cfgDirPath
);
if
(!
cfgDir
.
exists
())
return
loadDefaultConfigDir
();
return
cfgDir
;
}
/**
* @return search the default config dir, if the config dir is not exist will return null
*/
protected
File
loadDefaultConfigDir
()
{
File
cfgDir
;
File
cfgDir_linux
=
new
File
(
"/etc/taos"
);
cfgDir
=
cfgDir_linux
.
exists
()
?
cfgDir_linux
:
null
;
File
cfgDir_windows
=
new
File
(
"C:\\TDengine\\cfg"
);
cfgDir
=
(
cfgDir
==
null
&&
cfgDir_windows
.
exists
())
?
cfgDir_windows
:
cfgDir
;
return
cfgDir
;
}
protected
List
<
String
>
loadConfigEndpoints
(
File
cfgFile
)
{
List
<
String
>
endpoints
=
new
ArrayList
<>();
try
(
BufferedReader
reader
=
new
BufferedReader
(
new
FileReader
(
cfgFile
)))
{
String
line
=
null
;
while
((
line
=
reader
.
readLine
())
!=
null
)
{
if
(
line
.
trim
().
startsWith
(
"firstEp"
)
||
line
.
trim
().
startsWith
(
"secondEp"
))
{
endpoints
.
add
(
line
.
substring
(
line
.
indexOf
(
'p'
)
+
1
).
trim
());
}
if
(
endpoints
.
size
()
>
1
)
break
;
}
}
catch
(
FileNotFoundException
e
)
{
e
.
printStackTrace
();
}
catch
(
IOException
e
)
{
e
.
printStackTrace
();
}
return
endpoints
;
}
protected
void
loadTaosConfig
(
Properties
info
)
{
if
((
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
)
==
null
||
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
).
isEmpty
())
&&
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
)
==
null
||
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
).
isEmpty
()))
{
File
cfgDir
=
loadConfigDir
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_CONFIG_DIR
));
File
cfgFile
=
cfgDir
.
listFiles
((
dir
,
name
)
->
TAOS_CFG_FILENAME
.
equalsIgnoreCase
(
name
))[
0
];
List
<
String
>
endpoints
=
loadConfigEndpoints
(
cfgFile
);
if
(!
endpoints
.
isEmpty
())
{
info
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
endpoints
.
get
(
0
).
split
(
":"
)[
0
]);
info
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
endpoints
.
get
(
0
).
split
(
":"
)[
1
]);
}
}
}
protected
DriverPropertyInfo
[]
getPropertyInfo
(
Properties
info
)
{
DriverPropertyInfo
hostProp
=
new
DriverPropertyInfo
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
));
hostProp
.
required
=
false
;
hostProp
.
description
=
"Hostname"
;
DriverPropertyInfo
portProp
=
new
DriverPropertyInfo
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
TSDBConstants
.
DEFAULT_PORT
));
portProp
.
required
=
false
;
portProp
.
description
=
"Port"
;
DriverPropertyInfo
dbProp
=
new
DriverPropertyInfo
(
TSDBDriver
.
PROPERTY_KEY_DBNAME
,
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_DBNAME
));
dbProp
.
required
=
false
;
dbProp
.
description
=
"Database name"
;
DriverPropertyInfo
userProp
=
new
DriverPropertyInfo
(
TSDBDriver
.
PROPERTY_KEY_USER
,
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_USER
));
userProp
.
required
=
true
;
userProp
.
description
=
"User"
;
DriverPropertyInfo
passwordProp
=
new
DriverPropertyInfo
(
TSDBDriver
.
PROPERTY_KEY_PASSWORD
,
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PASSWORD
));
passwordProp
.
required
=
true
;
passwordProp
.
description
=
"Password"
;
DriverPropertyInfo
[]
propertyInfo
=
new
DriverPropertyInfo
[
5
];
propertyInfo
[
0
]
=
hostProp
;
propertyInfo
[
1
]
=
portProp
;
propertyInfo
[
2
]
=
dbProp
;
propertyInfo
[
3
]
=
userProp
;
propertyInfo
[
4
]
=
passwordProp
;
return
propertyInfo
;
}
protected
Properties
parseURL
(
String
url
,
Properties
defaults
)
{
Properties
urlProps
=
(
defaults
!=
null
)
?
defaults
:
new
Properties
();
// parse properties
int
beginningOfSlashes
=
url
.
indexOf
(
"//"
);
int
index
=
url
.
indexOf
(
"?"
);
if
(
index
!=
-
1
)
{
String
paramString
=
url
.
substring
(
index
+
1
,
url
.
length
());
url
=
url
.
substring
(
0
,
index
);
StringTokenizer
queryParams
=
new
StringTokenizer
(
paramString
,
"&"
);
while
(
queryParams
.
hasMoreElements
())
{
String
parameterValuePair
=
queryParams
.
nextToken
();
int
indexOfEqual
=
parameterValuePair
.
indexOf
(
"="
);
String
parameter
=
null
;
String
value
=
null
;
if
(
indexOfEqual
!=
-
1
)
{
parameter
=
parameterValuePair
.
substring
(
0
,
indexOfEqual
);
if
(
indexOfEqual
+
1
<
parameterValuePair
.
length
())
{
value
=
parameterValuePair
.
substring
(
indexOfEqual
+
1
);
}
}
if
((
value
!=
null
&&
value
.
length
()
>
0
)
&&
(
parameter
!=
null
&&
parameter
.
length
()
>
0
))
{
urlProps
.
setProperty
(
parameter
,
value
);
}
}
}
// parse Product Name
String
dbProductName
=
url
.
substring
(
0
,
beginningOfSlashes
);
dbProductName
=
dbProductName
.
substring
(
dbProductName
.
indexOf
(
":"
)
+
1
);
dbProductName
=
dbProductName
.
substring
(
0
,
dbProductName
.
indexOf
(
":"
));
// parse dbname
url
=
url
.
substring
(
beginningOfSlashes
+
2
);
int
indexOfSlash
=
url
.
indexOf
(
"/"
);
if
(
indexOfSlash
!=
-
1
)
{
if
(
indexOfSlash
+
1
<
url
.
length
())
{
urlProps
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_DBNAME
,
url
.
substring
(
indexOfSlash
+
1
));
}
url
=
url
.
substring
(
0
,
indexOfSlash
);
}
// parse port
int
indexOfColon
=
url
.
indexOf
(
":"
);
if
(
indexOfColon
!=
-
1
)
{
if
(
indexOfColon
+
1
<
url
.
length
())
{
urlProps
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
url
.
substring
(
indexOfColon
+
1
));
}
url
=
url
.
substring
(
0
,
indexOfColon
);
}
// parse host
if
(
url
!=
null
&&
url
.
length
()
>
0
&&
url
.
trim
().
length
()
>
0
)
{
urlProps
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
url
);
}
return
urlProps
;
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
浏览文件 @
af51dce4
...
...
@@ -14,7 +14,6 @@
*****************************************************************************/
package
com.taosdata.jdbc
;
import
java.io.*
;
import
java.sql.*
;
import
java.util.*
;
import
java.util.logging.Logger
;
...
...
@@ -38,7 +37,7 @@ import java.util.logging.Logger;
* register it with the DriverManager. This means that a user can load and
* register a driver by doing Class.forName("foo.bah.Driver")
*/
public
class
TSDBDriver
implements
java
.
sql
.
Driver
{
public
class
TSDBDriver
extends
AbstractTaos
Driver
{
@Deprecated
private
static
final
String
URL_PREFIX1
=
"jdbc:TSDB://"
;
...
...
@@ -97,50 +96,6 @@ public class TSDBDriver implements java.sql.Driver {
}
}
private
List
<
String
>
loadConfigEndpoints
(
File
cfgFile
)
{
List
<
String
>
endpoints
=
new
ArrayList
<>();
try
(
BufferedReader
reader
=
new
BufferedReader
(
new
FileReader
(
cfgFile
)))
{
String
line
=
null
;
while
((
line
=
reader
.
readLine
())
!=
null
)
{
if
(
line
.
trim
().
startsWith
(
"firstEp"
)
||
line
.
trim
().
startsWith
(
"secondEp"
))
{
endpoints
.
add
(
line
.
substring
(
line
.
indexOf
(
'p'
)
+
1
).
trim
());
}
if
(
endpoints
.
size
()
>
1
)
break
;
}
}
catch
(
FileNotFoundException
e
)
{
e
.
printStackTrace
();
}
catch
(
IOException
e
)
{
e
.
printStackTrace
();
}
return
endpoints
;
}
/**
* @param cfgDirPath
* @return return the config dir
**/
private
File
loadConfigDir
(
String
cfgDirPath
)
{
if
(
cfgDirPath
==
null
)
return
loadDefaultConfigDir
();
File
cfgDir
=
new
File
(
cfgDirPath
);
if
(!
cfgDir
.
exists
())
return
loadDefaultConfigDir
();
return
cfgDir
;
}
/**
* @return search the default config dir, if the config dir is not exist will return null
*/
private
File
loadDefaultConfigDir
()
{
File
cfgDir
;
File
cfgDir_linux
=
new
File
(
"/etc/taos"
);
cfgDir
=
cfgDir_linux
.
exists
()
?
cfgDir_linux
:
null
;
File
cfgDir_windows
=
new
File
(
"C:\\TDengine\\cfg"
);
cfgDir
=
(
cfgDir
==
null
&&
cfgDir_windows
.
exists
())
?
cfgDir_windows
:
cfgDir
;
return
cfgDir
;
}
public
Connection
connect
(
String
url
,
Properties
info
)
throws
SQLException
{
if
(
url
==
null
)
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"url is not set!"
));
...
...
@@ -152,26 +107,12 @@ public class TSDBDriver implements java.sql.Driver {
if
((
props
=
parseURL
(
url
,
info
))
==
null
)
{
return
null
;
}
//load taos.cfg start
if
((
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
)
==
null
||
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
).
isEmpty
())
&&
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
)
==
null
||
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
).
isEmpty
()))
{
File
cfgDir
=
loadConfigDir
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_CONFIG_DIR
));
File
cfgFile
=
cfgDir
.
listFiles
((
dir
,
name
)
->
"taos.cfg"
.
equalsIgnoreCase
(
name
))[
0
];
List
<
String
>
endpoints
=
loadConfigEndpoints
(
cfgFile
);
if
(!
endpoints
.
isEmpty
())
{
info
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
endpoints
.
get
(
0
).
split
(
":"
)[
0
]);
info
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
endpoints
.
get
(
0
).
split
(
":"
)[
1
]);
}
}
loadTaosConfig
(
info
);
try
{
TSDBJNIConnector
.
init
((
String
)
props
.
get
(
PROPERTY_KEY_CONFIG_DIR
),
(
String
)
props
.
get
(
PROPERTY_KEY_LOCALE
),
(
String
)
props
.
get
(
PROPERTY_KEY_CHARSET
),
(
String
)
props
.
get
(
PROPERTY_KEY_TIME_ZONE
));
TSDBJNIConnector
.
init
((
String
)
props
.
get
(
PROPERTY_KEY_CONFIG_DIR
),
(
String
)
props
.
get
(
PROPERTY_KEY_LOCALE
),
(
String
)
props
.
get
(
PROPERTY_KEY_CHARSET
),
(
String
)
props
.
get
(
PROPERTY_KEY_TIME_ZONE
));
Connection
newConn
=
new
TSDBConnection
(
props
,
this
.
dbMetaData
);
return
newConn
;
}
catch
(
SQLWarning
sqlWarning
)
{
...
...
@@ -208,39 +149,13 @@ public class TSDBDriver implements java.sql.Driver {
info
=
parseURL
(
url
,
info
);
}
DriverPropertyInfo
hostProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_HOST
,
info
.
getProperty
(
PROPERTY_KEY_HOST
));
hostProp
.
required
=
false
;
hostProp
.
description
=
"Hostname"
;
DriverPropertyInfo
portProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_PORT
,
info
.
getProperty
(
PROPERTY_KEY_PORT
,
TSDBConstants
.
DEFAULT_PORT
));
portProp
.
required
=
false
;
portProp
.
description
=
"Port"
;
DriverPropertyInfo
dbProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_DBNAME
,
info
.
getProperty
(
PROPERTY_KEY_DBNAME
));
dbProp
.
required
=
false
;
dbProp
.
description
=
"Database name"
;
DriverPropertyInfo
userProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_USER
,
info
.
getProperty
(
PROPERTY_KEY_USER
));
userProp
.
required
=
true
;
userProp
.
description
=
"User"
;
DriverPropertyInfo
passwordProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_PASSWORD
,
info
.
getProperty
(
PROPERTY_KEY_PASSWORD
));
passwordProp
.
required
=
true
;
passwordProp
.
description
=
"Password"
;
DriverPropertyInfo
[]
propertyInfo
=
new
DriverPropertyInfo
[
5
];
propertyInfo
[
0
]
=
hostProp
;
propertyInfo
[
1
]
=
portProp
;
propertyInfo
[
2
]
=
dbProp
;
propertyInfo
[
3
]
=
userProp
;
propertyInfo
[
4
]
=
passwordProp
;
return
propertyInfo
;
return
getPropertyInfo
(
info
);
}
/**
* example: jdbc:TAOS://127.0.0.1:0/db?user=root&password=your_password
*/
@Override
public
Properties
parseURL
(
String
url
,
Properties
defaults
)
{
Properties
urlProps
=
(
defaults
!=
null
)
?
defaults
:
new
Properties
();
if
(
url
==
null
||
url
.
length
()
<=
0
||
url
.
trim
().
length
()
<=
0
)
...
...
@@ -296,86 +211,10 @@ public class TSDBDriver implements java.sql.Driver {
if
(
url
!=
null
&&
url
.
length
()
>
0
&&
url
.
trim
().
length
()
>
0
)
{
urlProps
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
url
);
}
this
.
dbMetaData
=
new
TSDBDatabaseMetaData
(
dbProductName
,
urlForMeta
,
urlProps
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_USER
));
/*
String urlForMeta = url;
String dbProductName = url.substring(url.indexOf(":") + 1);
dbProductName = dbProductName.substring(0, dbProductName.indexOf(":"));
int beginningOfSlashes = url.indexOf("//");
url = url.substring(beginningOfSlashes + 2);
String host = url.substring(0, url.indexOf(":"));
url = url.substring(url.indexOf(":") + 1);
urlProps.setProperty(PROPERTY_KEY_HOST, host);
String port = url.substring(0, url.indexOf("/"));
urlProps.setProperty(PROPERTY_KEY_PORT, port);
url = url.substring(url.indexOf("/") + 1);
if (url.indexOf("?") != -1) {
String dbName = url.substring(0, url.indexOf("?"));
urlProps.setProperty(PROPERTY_KEY_DBNAME, dbName);
url = url.trim().substring(url.indexOf("?") + 1);
} else {
// without user & password so return
if (!url.trim().isEmpty()) {
String dbName = url.trim();
urlProps.setProperty(PROPERTY_KEY_DBNAME, dbName);
}
this.dbMetaData = new TSDBDatabaseMetaData(dbProductName, urlForMeta, urlProps.getProperty("user"));
return urlProps;
}
String user = "";
if (url.indexOf("&") == -1) {
String[] kvPair = url.trim().split("=");
if (kvPair.length == 2) {
setPropertyValue(urlProps, kvPair);
return urlProps;
}
}
String[] queryStrings = url.trim().split("&");
for (String queryStr : queryStrings) {
String[] kvPair = queryStr.trim().split("=");
if (kvPair.length < 2) {
continue;
}
setPropertyValue(urlProps, kvPair);
}
user = urlProps.getProperty(PROPERTY_KEY_USER).toString();
this.dbMetaData = new TSDBDatabaseMetaData(dbProductName, urlForMeta, user);
*/
return
urlProps
;
}
private
void
setPropertyValue
(
Properties
property
,
String
[]
keyValuePair
)
{
switch
(
keyValuePair
[
0
].
toLowerCase
())
{
case
PROPERTY_KEY_USER:
property
.
setProperty
(
PROPERTY_KEY_USER
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_PASSWORD:
property
.
setProperty
(
PROPERTY_KEY_PASSWORD
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_TIME_ZONE:
property
.
setProperty
(
PROPERTY_KEY_TIME_ZONE
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_LOCALE:
property
.
setProperty
(
PROPERTY_KEY_LOCALE
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_CHARSET:
property
.
setProperty
(
PROPERTY_KEY_CHARSET
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_CONFIG_DIR:
property
.
setProperty
(
PROPERTY_KEY_CONFIG_DIR
,
keyValuePair
[
1
]);
break
;
}
}
public
int
getMajorVersion
()
{
return
2
;
}
...
...
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulConnection.java
0 → 100644
浏览文件 @
af51dce4
package
com.taosdata.jdbc.rs
;
import
com.taosdata.jdbc.TSDBConstants
;
import
java.sql.*
;
import
java.util.Map
;
import
java.util.Properties
;
import
java.util.concurrent.Executor
;
public
class
TaosRestfulConnection
implements
Connection
{
private
final
String
host
;
private
final
int
port
;
private
final
Properties
props
;
private
final
String
database
;
private
final
String
url
;
public
TaosRestfulConnection
(
String
host
,
String
port
,
Properties
props
,
String
database
,
String
url
)
{
this
.
host
=
host
;
this
.
port
=
Integer
.
parseInt
(
port
);
this
.
props
=
props
;
this
.
database
=
database
;
this
.
url
=
url
;
}
@Override
public
Statement
createStatement
()
throws
SQLException
{
if
(
isClosed
())
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"restful TDengine connection is closed."
));
return
new
TaosRestfulStatement
(
this
,
this
.
database
);
}
@Override
public
PreparedStatement
prepareStatement
(
String
sql
)
throws
SQLException
{
return
null
;
}
@Override
public
CallableStatement
prepareCall
(
String
sql
)
throws
SQLException
{
return
null
;
}
@Override
public
String
nativeSQL
(
String
sql
)
throws
SQLException
{
return
null
;
}
@Override
public
void
setAutoCommit
(
boolean
autoCommit
)
throws
SQLException
{
}
@Override
public
boolean
getAutoCommit
()
throws
SQLException
{
return
false
;
}
@Override
public
void
commit
()
throws
SQLException
{
}
@Override
public
void
rollback
()
throws
SQLException
{
}
@Override
public
void
close
()
throws
SQLException
{
}
@Override
public
boolean
isClosed
()
throws
SQLException
{
return
false
;
}
@Override
public
DatabaseMetaData
getMetaData
()
throws
SQLException
{
return
null
;
}
@Override
public
void
setReadOnly
(
boolean
readOnly
)
throws
SQLException
{
}
@Override
public
boolean
isReadOnly
()
throws
SQLException
{
return
false
;
}
@Override
public
void
setCatalog
(
String
catalog
)
throws
SQLException
{
}
@Override
public
String
getCatalog
()
throws
SQLException
{
return
null
;
}
@Override
public
void
setTransactionIsolation
(
int
level
)
throws
SQLException
{
}
@Override
public
int
getTransactionIsolation
()
throws
SQLException
{
return
0
;
}
@Override
public
SQLWarning
getWarnings
()
throws
SQLException
{
return
null
;
}
@Override
public
void
clearWarnings
()
throws
SQLException
{
}
@Override
public
Statement
createStatement
(
int
resultSetType
,
int
resultSetConcurrency
)
throws
SQLException
{
return
null
;
}
@Override
public
PreparedStatement
prepareStatement
(
String
sql
,
int
resultSetType
,
int
resultSetConcurrency
)
throws
SQLException
{
return
null
;
}
@Override
public
CallableStatement
prepareCall
(
String
sql
,
int
resultSetType
,
int
resultSetConcurrency
)
throws
SQLException
{
return
null
;
}
@Override
public
Map
<
String
,
Class
<?>>
getTypeMap
()
throws
SQLException
{
return
null
;
}
@Override
public
void
setTypeMap
(
Map
<
String
,
Class
<?>>
map
)
throws
SQLException
{
}
@Override
public
void
setHoldability
(
int
holdability
)
throws
SQLException
{
}
@Override
public
int
getHoldability
()
throws
SQLException
{
return
0
;
}
@Override
public
Savepoint
setSavepoint
()
throws
SQLException
{
return
null
;
}
@Override
public
Savepoint
setSavepoint
(
String
name
)
throws
SQLException
{
return
null
;
}
@Override
public
void
rollback
(
Savepoint
savepoint
)
throws
SQLException
{
}
@Override
public
void
releaseSavepoint
(
Savepoint
savepoint
)
throws
SQLException
{
}
@Override
public
Statement
createStatement
(
int
resultSetType
,
int
resultSetConcurrency
,
int
resultSetHoldability
)
throws
SQLException
{
return
null
;
}
@Override
public
PreparedStatement
prepareStatement
(
String
sql
,
int
resultSetType
,
int
resultSetConcurrency
,
int
resultSetHoldability
)
throws
SQLException
{
return
null
;
}
@Override
public
CallableStatement
prepareCall
(
String
sql
,
int
resultSetType
,
int
resultSetConcurrency
,
int
resultSetHoldability
)
throws
SQLException
{
return
null
;
}
@Override
public
PreparedStatement
prepareStatement
(
String
sql
,
int
autoGeneratedKeys
)
throws
SQLException
{
return
null
;
}
@Override
public
PreparedStatement
prepareStatement
(
String
sql
,
int
[]
columnIndexes
)
throws
SQLException
{
return
null
;
}
@Override
public
PreparedStatement
prepareStatement
(
String
sql
,
String
[]
columnNames
)
throws
SQLException
{
return
null
;
}
@Override
public
Clob
createClob
()
throws
SQLException
{
return
null
;
}
@Override
public
Blob
createBlob
()
throws
SQLException
{
return
null
;
}
@Override
public
NClob
createNClob
()
throws
SQLException
{
return
null
;
}
@Override
public
SQLXML
createSQLXML
()
throws
SQLException
{
return
null
;
}
@Override
public
boolean
isValid
(
int
timeout
)
throws
SQLException
{
return
false
;
}
@Override
public
void
setClientInfo
(
String
name
,
String
value
)
throws
SQLClientInfoException
{
}
@Override
public
void
setClientInfo
(
Properties
properties
)
throws
SQLClientInfoException
{
}
@Override
public
String
getClientInfo
(
String
name
)
throws
SQLException
{
return
null
;
}
@Override
public
Properties
getClientInfo
()
throws
SQLException
{
return
null
;
}
@Override
public
Array
createArrayOf
(
String
typeName
,
Object
[]
elements
)
throws
SQLException
{
return
null
;
}
@Override
public
Struct
createStruct
(
String
typeName
,
Object
[]
attributes
)
throws
SQLException
{
return
null
;
}
@Override
public
void
setSchema
(
String
schema
)
throws
SQLException
{
}
@Override
public
String
getSchema
()
throws
SQLException
{
return
null
;
}
@Override
public
void
abort
(
Executor
executor
)
throws
SQLException
{
}
@Override
public
void
setNetworkTimeout
(
Executor
executor
,
int
milliseconds
)
throws
SQLException
{
}
@Override
public
int
getNetworkTimeout
()
throws
SQLException
{
return
0
;
}
@Override
public
<
T
>
T
unwrap
(
Class
<
T
>
iface
)
throws
SQLException
{
return
null
;
}
@Override
public
boolean
isWrapperFor
(
Class
<?>
iface
)
throws
SQLException
{
return
false
;
}
public
String
getHost
()
{
return
host
;
}
public
int
getPort
()
{
return
port
;
}
public
Properties
getProps
()
{
return
props
;
}
public
String
getDatabase
()
{
return
database
;
}
public
String
getUrl
()
{
return
url
;
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulDriver.java
0 → 100644
浏览文件 @
af51dce4
package
com.taosdata.jdbc.rs
;
import
com.alibaba.fastjson.JSON
;
import
com.alibaba.fastjson.JSONObject
;
import
com.taosdata.jdbc.AbstractTaosDriver
;
import
com.taosdata.jdbc.TSDBConstants
;
import
com.taosdata.jdbc.TSDBDriver
;
import
com.taosdata.jdbc.rs.util.HttpClientPoolUtil
;
import
java.sql.*
;
import
java.util.Properties
;
import
java.util.logging.Logger
;
public
class
TaosRestfulDriver
extends
AbstractTaosDriver
{
private
static
final
String
URL_PREFIX
=
"jdbc:TAOS-RS://"
;
static
{
try
{
DriverManager
.
registerDriver
(
new
TaosRestfulDriver
());
}
catch
(
SQLException
e
)
{
throw
new
RuntimeException
(
TSDBConstants
.
WrapErrMsg
(
"can not register Restful JDBC driver"
),
e
);
}
}
@Override
public
Connection
connect
(
String
url
,
Properties
info
)
throws
SQLException
{
// throw SQLException if url is null
if
(
url
==
null
)
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"url is not set!"
));
// return null if url is not be accepted
if
(!
acceptsURL
(
url
))
return
null
;
Properties
props
=
parseURL
(
url
,
info
);
String
host
=
props
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
"localhost"
);
String
port
=
props
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
"6041"
);
String
database
=
props
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_DBNAME
);
String
loginUrl
=
"http://"
+
props
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
)
+
":"
+
props
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
)
+
"/rest/login/"
+
props
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_USER
)
+
"/"
+
props
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PASSWORD
)
+
""
;
String
result
=
HttpClientPoolUtil
.
execute
(
loginUrl
);
JSONObject
jsonResult
=
JSON
.
parseObject
(
result
);
String
status
=
jsonResult
.
getString
(
"status"
);
if
(!
status
.
equals
(
"succ"
))
{
throw
new
SQLException
(
jsonResult
.
getString
(
"desc"
));
}
return
new
TaosRestfulConnection
(
host
,
port
,
props
,
database
,
url
);
}
@Override
public
boolean
acceptsURL
(
String
url
)
throws
SQLException
{
if
(
url
==
null
)
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"url is null"
));
return
(
url
!=
null
&&
url
.
length
()
>
0
&&
url
.
trim
().
length
()
>
0
)
&&
url
.
startsWith
(
URL_PREFIX
);
}
@Override
public
DriverPropertyInfo
[]
getPropertyInfo
(
String
url
,
Properties
info
)
throws
SQLException
{
if
(
info
==
null
)
{
info
=
new
Properties
();
}
if
(
acceptsURL
(
url
))
{
info
=
parseURL
(
url
,
info
);
}
return
getPropertyInfo
(
info
);
}
@Override
public
int
getMajorVersion
()
{
return
2
;
}
@Override
public
int
getMinorVersion
()
{
return
0
;
}
@Override
public
boolean
jdbcCompliant
()
{
return
false
;
}
@Override
public
Logger
getParentLogger
()
throws
SQLFeatureNotSupportedException
{
return
null
;
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulResultSet.java
0 → 100644
浏览文件 @
af51dce4
此差异已折叠。
点击以展开。
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulResultSetMetaData.java
0 → 100644
浏览文件 @
af51dce4
package
com.taosdata.jdbc.rs
;
import
java.sql.ResultSetMetaData
;
import
java.sql.SQLException
;
import
java.util.List
;
public
class
TaosRestfulResultSetMetaData
implements
ResultSetMetaData
{
private
List
<
String
>
fields
;
public
TaosRestfulResultSetMetaData
(
List
<
String
>
fields
)
{
this
.
fields
=
fields
;
}
@Override
public
int
getColumnCount
()
throws
SQLException
{
return
fields
.
size
();
}
@Override
public
boolean
isAutoIncrement
(
int
column
)
throws
SQLException
{
return
false
;
}
@Override
public
boolean
isCaseSensitive
(
int
column
)
throws
SQLException
{
return
false
;
}
@Override
public
boolean
isSearchable
(
int
column
)
throws
SQLException
{
return
false
;
}
@Override
public
boolean
isCurrency
(
int
column
)
throws
SQLException
{
return
false
;
}
@Override
public
int
isNullable
(
int
column
)
throws
SQLException
{
return
0
;
}
@Override
public
boolean
isSigned
(
int
column
)
throws
SQLException
{
return
false
;
}
@Override
public
int
getColumnDisplaySize
(
int
column
)
throws
SQLException
{
return
0
;
}
@Override
public
String
getColumnLabel
(
int
column
)
throws
SQLException
{
return
fields
.
get
(
column
-
1
);
}
@Override
public
String
getColumnName
(
int
column
)
throws
SQLException
{
return
null
;
}
@Override
public
String
getSchemaName
(
int
column
)
throws
SQLException
{
return
null
;
}
@Override
public
int
getPrecision
(
int
column
)
throws
SQLException
{
return
0
;
}
@Override
public
int
getScale
(
int
column
)
throws
SQLException
{
return
0
;
}
@Override
public
String
getTableName
(
int
column
)
throws
SQLException
{
return
null
;
}
@Override
public
String
getCatalogName
(
int
column
)
throws
SQLException
{
return
null
;
}
@Override
public
int
getColumnType
(
int
column
)
throws
SQLException
{
return
0
;
}
@Override
public
String
getColumnTypeName
(
int
column
)
throws
SQLException
{
return
null
;
}
@Override
public
boolean
isReadOnly
(
int
column
)
throws
SQLException
{
return
false
;
}
@Override
public
boolean
isWritable
(
int
column
)
throws
SQLException
{
return
false
;
}
@Override
public
boolean
isDefinitelyWritable
(
int
column
)
throws
SQLException
{
return
false
;
}
@Override
public
String
getColumnClassName
(
int
column
)
throws
SQLException
{
return
null
;
}
@Override
public
<
T
>
T
unwrap
(
Class
<
T
>
iface
)
throws
SQLException
{
return
null
;
}
@Override
public
boolean
isWrapperFor
(
Class
<?>
iface
)
throws
SQLException
{
return
false
;
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/TaosRestfulStatement.java
0 → 100644
浏览文件 @
af51dce4
package
com.taosdata.jdbc.rs
;
import
com.alibaba.fastjson.JSON
;
import
com.alibaba.fastjson.JSONObject
;
import
com.taosdata.jdbc.TSDBConstants
;
import
com.taosdata.jdbc.rs.util.HttpClientPoolUtil
;
import
java.sql.*
;
import
java.util.Arrays
;
import
java.util.List
;
public
class
TaosRestfulStatement
implements
Statement
{
private
final
String
catalog
;
private
final
TaosRestfulConnection
conn
;
public
TaosRestfulStatement
(
TaosRestfulConnection
c
,
String
catalog
)
{
this
.
conn
=
c
;
this
.
catalog
=
catalog
;
}
@Override
public
ResultSet
executeQuery
(
String
sql
)
throws
SQLException
{
final
String
url
=
"http://"
+
conn
.
getHost
()
+
":"
+
conn
.
getPort
()+
"/rest/sql"
;
String
result
=
HttpClientPoolUtil
.
execute
(
url
,
sql
);
String
fields
=
""
;
List
<
String
>
words
=
Arrays
.
asList
(
sql
.
split
(
" "
));
if
(
words
.
get
(
0
).
equalsIgnoreCase
(
"select"
))
{
int
index
=
0
;
if
(
words
.
contains
(
"from"
))
{
index
=
words
.
indexOf
(
"from"
);
}
if
(
words
.
contains
(
"FROM"
))
{
index
=
words
.
indexOf
(
"FROM"
);
}
fields
=
HttpClientPoolUtil
.
execute
(
url
,
"DESCRIBE "
+
words
.
get
(
index
+
1
));
}
JSONObject
jsonObject
=
JSON
.
parseObject
(
result
);
if
(
jsonObject
.
getString
(
"status"
).
equals
(
"error"
))
{
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"SQL execution error: "
+
jsonObject
.
getString
(
"desc"
)
+
"\n"
+
"error code: "
+
jsonObject
.
getString
(
"code"
)));
}
String
dataStr
=
jsonObject
.
getString
(
"data"
);
if
(
"use"
.
equalsIgnoreCase
(
fields
.
split
(
" "
)[
0
]))
{
return
new
TaosRestfulResultSet
(
dataStr
,
""
);
}
JSONObject
jsonField
=
JSON
.
parseObject
(
fields
);
if
(
jsonField
==
null
)
{
return
new
TaosRestfulResultSet
(
dataStr
,
""
);
}
if
(
jsonField
.
getString
(
"status"
).
equals
(
"error"
))
{
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"SQL execution error: "
+
jsonField
.
getString
(
"desc"
)
+
"\n"
+
"error code: "
+
jsonField
.
getString
(
"code"
)));
}
String
fieldData
=
jsonField
.
getString
(
"data"
);
return
new
TaosRestfulResultSet
(
dataStr
,
fieldData
);
}
@Override
public
int
executeUpdate
(
String
sql
)
throws
SQLException
{
return
0
;
}
@Override
public
void
close
()
throws
SQLException
{
}
@Override
public
int
getMaxFieldSize
()
throws
SQLException
{
return
0
;
}
@Override
public
void
setMaxFieldSize
(
int
max
)
throws
SQLException
{
}
@Override
public
int
getMaxRows
()
throws
SQLException
{
return
0
;
}
@Override
public
void
setMaxRows
(
int
max
)
throws
SQLException
{
}
@Override
public
void
setEscapeProcessing
(
boolean
enable
)
throws
SQLException
{
}
@Override
public
int
getQueryTimeout
()
throws
SQLException
{
return
0
;
}
@Override
public
void
setQueryTimeout
(
int
seconds
)
throws
SQLException
{
}
@Override
public
void
cancel
()
throws
SQLException
{
}
@Override
public
SQLWarning
getWarnings
()
throws
SQLException
{
return
null
;
}
@Override
public
void
clearWarnings
()
throws
SQLException
{
}
@Override
public
void
setCursorName
(
String
name
)
throws
SQLException
{
}
@Override
public
boolean
execute
(
String
sql
)
throws
SQLException
{
return
false
;
}
@Override
public
ResultSet
getResultSet
()
throws
SQLException
{
return
null
;
}
@Override
public
int
getUpdateCount
()
throws
SQLException
{
return
0
;
}
@Override
public
boolean
getMoreResults
()
throws
SQLException
{
return
false
;
}
@Override
public
void
setFetchDirection
(
int
direction
)
throws
SQLException
{
}
@Override
public
int
getFetchDirection
()
throws
SQLException
{
return
0
;
}
@Override
public
void
setFetchSize
(
int
rows
)
throws
SQLException
{
}
@Override
public
int
getFetchSize
()
throws
SQLException
{
return
0
;
}
@Override
public
int
getResultSetConcurrency
()
throws
SQLException
{
return
0
;
}
@Override
public
int
getResultSetType
()
throws
SQLException
{
return
0
;
}
@Override
public
void
addBatch
(
String
sql
)
throws
SQLException
{
}
@Override
public
void
clearBatch
()
throws
SQLException
{
}
@Override
public
int
[]
executeBatch
()
throws
SQLException
{
return
new
int
[
0
];
}
@Override
public
Connection
getConnection
()
throws
SQLException
{
return
null
;
}
@Override
public
boolean
getMoreResults
(
int
current
)
throws
SQLException
{
return
false
;
}
@Override
public
ResultSet
getGeneratedKeys
()
throws
SQLException
{
return
null
;
}
@Override
public
int
executeUpdate
(
String
sql
,
int
autoGeneratedKeys
)
throws
SQLException
{
return
0
;
}
@Override
public
int
executeUpdate
(
String
sql
,
int
[]
columnIndexes
)
throws
SQLException
{
return
0
;
}
@Override
public
int
executeUpdate
(
String
sql
,
String
[]
columnNames
)
throws
SQLException
{
return
0
;
}
@Override
public
boolean
execute
(
String
sql
,
int
autoGeneratedKeys
)
throws
SQLException
{
return
false
;
}
@Override
public
boolean
execute
(
String
sql
,
int
[]
columnIndexes
)
throws
SQLException
{
return
false
;
}
@Override
public
boolean
execute
(
String
sql
,
String
[]
columnNames
)
throws
SQLException
{
return
false
;
}
@Override
public
int
getResultSetHoldability
()
throws
SQLException
{
return
0
;
}
@Override
public
boolean
isClosed
()
throws
SQLException
{
return
false
;
}
@Override
public
void
setPoolable
(
boolean
poolable
)
throws
SQLException
{
}
@Override
public
boolean
isPoolable
()
throws
SQLException
{
return
false
;
}
@Override
public
void
closeOnCompletion
()
throws
SQLException
{
}
@Override
public
boolean
isCloseOnCompletion
()
throws
SQLException
{
return
false
;
}
@Override
public
<
T
>
T
unwrap
(
Class
<
T
>
iface
)
throws
SQLException
{
return
null
;
}
@Override
public
boolean
isWrapperFor
(
Class
<?>
iface
)
throws
SQLException
{
return
false
;
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/util/HttpClientPoolUtil.java
0 → 100644
浏览文件 @
af51dce4
package
com.taosdata.jdbc.rs.util
;
import
org.apache.commons.lang3.StringUtils
;
import
org.apache.http.HeaderElement
;
import
org.apache.http.HeaderElementIterator
;
import
org.apache.http.HttpEntity
;
import
org.apache.http.client.config.RequestConfig
;
import
org.apache.http.client.methods.*
;
import
org.apache.http.client.protocol.HttpClientContext
;
import
org.apache.http.conn.ConnectionKeepAliveStrategy
;
import
org.apache.http.entity.StringEntity
;
import
org.apache.http.impl.client.CloseableHttpClient
;
import
org.apache.http.impl.client.HttpClients
;
import
org.apache.http.impl.conn.PoolingHttpClientConnectionManager
;
import
org.apache.http.message.BasicHeaderElementIterator
;
import
org.apache.http.protocol.HTTP
;
import
org.apache.http.protocol.HttpContext
;
import
org.apache.http.util.EntityUtils
;
public
class
HttpClientPoolUtil
{
public
static
PoolingHttpClientConnectionManager
cm
=
null
;
public
static
CloseableHttpClient
httpClient
=
null
;
/**
* 默认content 类型
*/
private
static
final
String
DEFAULT_CONTENT_TYPE
=
"application/json"
;
/**
* 默认请求超时时间30s
*/
private
static
final
int
DEFAULT_TIME_OUT
=
15000
;
private
static
final
int
count
=
32
;
private
static
final
int
totalCount
=
1000
;
private
static
final
int
Http_Default_Keep_Time
=
15000
;
/**
* 初始化连接池
*/
public
static
synchronized
void
initPools
()
{
if
(
httpClient
==
null
)
{
cm
=
new
PoolingHttpClientConnectionManager
();
cm
.
setDefaultMaxPerRoute
(
count
);
cm
.
setMaxTotal
(
totalCount
);
httpClient
=
HttpClients
.
custom
().
setKeepAliveStrategy
(
defaultStrategy
).
setConnectionManager
(
cm
).
build
();
}
}
/**
* Http connection keepAlive 设置
*/
public
static
ConnectionKeepAliveStrategy
defaultStrategy
=
(
response
,
context
)
->
{
HeaderElementIterator
it
=
new
BasicHeaderElementIterator
(
response
.
headerIterator
(
HTTP
.
CONN_KEEP_ALIVE
));
int
keepTime
=
Http_Default_Keep_Time
*
1000
;
while
(
it
.
hasNext
())
{
HeaderElement
headerElement
=
it
.
nextElement
();
String
param
=
headerElement
.
getName
();
String
value
=
headerElement
.
getValue
();
if
(
value
!=
null
&&
param
.
equalsIgnoreCase
(
"timeout"
))
{
try
{
return
Long
.
parseLong
(
value
)
*
1000
;
}
catch
(
Exception
e
)
{
new
Exception
(
"format KeepAlive timeout exception, exception:"
+
e
.
toString
())
.
printStackTrace
();
}
}
}
return
keepTime
;
};
public
static
CloseableHttpClient
getHttpClient
()
{
return
httpClient
;
}
public
static
PoolingHttpClientConnectionManager
getHttpConnectionManager
()
{
return
cm
;
}
/**
* 执行http post请求
* 默认采用Content-Type:application/json,Accept:application/json
*
* @param uri 请求地址
* @param data 请求数据
* @return responseBody
*/
public
static
String
execute
(
String
uri
,
String
data
)
{
long
startTime
=
System
.
currentTimeMillis
();
HttpEntity
httpEntity
=
null
;
HttpEntityEnclosingRequestBase
method
=
null
;
String
responseBody
=
""
;
try
{
if
(
httpClient
==
null
)
{
initPools
();
}
method
=
(
HttpEntityEnclosingRequestBase
)
getRequest
(
uri
,
HttpPost
.
METHOD_NAME
,
DEFAULT_CONTENT_TYPE
,
0
);
method
.
setEntity
(
new
StringEntity
(
data
));
HttpContext
context
=
HttpClientContext
.
create
();
CloseableHttpResponse
httpResponse
=
httpClient
.
execute
(
method
,
context
);
httpEntity
=
httpResponse
.
getEntity
();
if
(
httpEntity
!=
null
)
{
responseBody
=
EntityUtils
.
toString
(
httpEntity
,
"UTF-8"
);
}
}
catch
(
Exception
e
)
{
if
(
method
!=
null
)
{
method
.
abort
();
}
// e.printStackTrace();
// logger.error("execute post request exception, url:" + uri + ", exception:" + e.toString()
// + ", cost time(ms):" + (System.currentTimeMillis() - startTime));
new
Exception
(
"execute post request exception, url:"
+
uri
+
", exception:"
+
e
.
toString
()
+
", cost time(ms):"
+
(
System
.
currentTimeMillis
()
-
startTime
))
.
printStackTrace
();
}
finally
{
if
(
httpEntity
!=
null
)
{
try
{
EntityUtils
.
consumeQuietly
(
httpEntity
);
}
catch
(
Exception
e
)
{
// e.printStackTrace();
// logger.error("close response exception, url:" + uri + ", exception:" + e.toString()
// + ", cost time(ms):" + (System.currentTimeMillis() - startTime));
new
Exception
(
"close response exception, url:"
+
uri
+
", exception:"
+
e
.
toString
()
+
", cost time(ms):"
+
(
System
.
currentTimeMillis
()
-
startTime
))
.
printStackTrace
();
}
}
}
return
responseBody
;
}
/**
* * 创建请求
*
* @param uri 请求url
* @param methodName 请求的方法类型
* @param contentType contentType类型
* @param timeout 超时时间
* @return HttpRequestBase 返回类型
* @author lisc
*/
public
static
HttpRequestBase
getRequest
(
String
uri
,
String
methodName
,
String
contentType
,
int
timeout
)
{
if
(
httpClient
==
null
)
{
initPools
();
}
HttpRequestBase
method
;
if
(
timeout
<=
0
)
{
timeout
=
DEFAULT_TIME_OUT
;
}
RequestConfig
requestConfig
=
RequestConfig
.
custom
().
setSocketTimeout
(
timeout
*
1000
)
.
setConnectTimeout
(
timeout
*
1000
).
setConnectionRequestTimeout
(
timeout
*
1000
)
.
setExpectContinueEnabled
(
false
).
build
();
if
(
HttpPut
.
METHOD_NAME
.
equalsIgnoreCase
(
methodName
))
{
method
=
new
HttpPut
(
uri
);
}
else
if
(
HttpPost
.
METHOD_NAME
.
equalsIgnoreCase
(
methodName
))
{
method
=
new
HttpPost
(
uri
);
}
else
if
(
HttpGet
.
METHOD_NAME
.
equalsIgnoreCase
(
methodName
))
{
method
=
new
HttpGet
(
uri
);
}
else
{
method
=
new
HttpPost
(
uri
);
}
if
(
StringUtils
.
isBlank
(
contentType
))
{
contentType
=
DEFAULT_CONTENT_TYPE
;
}
method
.
addHeader
(
"Content-Type"
,
contentType
);
method
.
addHeader
(
"Accept"
,
contentType
);
method
.
setConfig
(
requestConfig
);
return
method
;
}
/**
* 执行GET 请求
*
* @param uri 网址
* @return responseBody
*/
public
static
String
execute
(
String
uri
)
{
long
startTime
=
System
.
currentTimeMillis
();
HttpEntity
httpEntity
=
null
;
HttpRequestBase
method
=
null
;
String
responseBody
=
""
;
try
{
if
(
httpClient
==
null
)
{
initPools
();
}
method
=
getRequest
(
uri
,
HttpGet
.
METHOD_NAME
,
DEFAULT_CONTENT_TYPE
,
0
);
HttpContext
context
=
HttpClientContext
.
create
();
CloseableHttpResponse
httpResponse
=
httpClient
.
execute
(
method
,
context
);
httpEntity
=
httpResponse
.
getEntity
();
if
(
httpEntity
!=
null
)
{
responseBody
=
EntityUtils
.
toString
(
httpEntity
,
"UTF-8"
);
// logger.info("请求URL: " + uri + "+ 返回状态码:" + httpResponse.getStatusLine().getStatusCode());
}
}
catch
(
Exception
e
)
{
if
(
method
!=
null
)
{
method
.
abort
();
}
e
.
printStackTrace
();
// logger.error("execute get request exception, url:" + uri + ", exception:" + e.toString() + ",cost time(ms):"
// + (System.currentTimeMillis() - startTime));
System
.
out
.
println
(
"log:调用 HttpClientPoolUtil execute get request exception, url:"
+
uri
+
", exception:"
+
e
.
toString
()
+
",cost time(ms):"
+
(
System
.
currentTimeMillis
()
-
startTime
));
}
finally
{
if
(
httpEntity
!=
null
)
{
try
{
EntityUtils
.
consumeQuietly
(
httpEntity
);
}
catch
(
Exception
e
)
{
// e.printStackTrace();
// logger.error("close response exception, url:" + uri + ", exception:" + e.toString()
// + ",cost time(ms):" + (System.currentTimeMillis() - startTime));
new
Exception
(
"close response exception, url:"
+
uri
+
", exception:"
+
e
.
toString
()
+
",cost time(ms):"
+
(
System
.
currentTimeMillis
()
-
startTime
))
.
printStackTrace
();
}
}
}
return
responseBody
;
}
}
\ No newline at end of file
src/connector/jdbc/src/test/java/com/taosdata/jdbc/rs/TaosRestfulDriverTest.java
0 → 100644
浏览文件 @
af51dce4
package
com.taosdata.jdbc.rs
;
import
org.junit.Assert
;
import
org.junit.Test
;
import
java.sql.*
;
public
class
TaosRestfulDriverTest
{
@Test
public
void
testCase001
()
{
try
{
Class
.
forName
(
"com.taosdata.jdbc.rs.TaosRestfulDriver"
);
Connection
connection
=
DriverManager
.
getConnection
(
"jdbc:TAOS-RS://master:6041/?user=root&password=taosdata"
);
Statement
statement
=
connection
.
createStatement
();
ResultSet
resultSet
=
statement
.
executeQuery
(
"select * from log.log"
);
ResultSetMetaData
metaData
=
resultSet
.
getMetaData
();
while
(
resultSet
.
next
())
{
for
(
int
i
=
1
;
i
<=
metaData
.
getColumnCount
();
i
++)
{
String
column
=
metaData
.
getColumnLabel
(
i
);
String
value
=
resultSet
.
getString
(
i
);
System
.
out
.
print
(
column
+
":"
+
value
+
"\t"
);
}
System
.
out
.
println
();
}
statement
.
close
();
connection
.
close
();
}
catch
(
SQLException
|
ClassNotFoundException
e
)
{
e
.
printStackTrace
();
}
}
@Test
public
void
testAcceptUrl
()
throws
SQLException
{
Driver
driver
=
new
TaosRestfulDriver
();
boolean
isAccept
=
driver
.
acceptsURL
(
"jdbc:TAOS-RS://master:6041"
);
Assert
.
assertTrue
(
isAccept
);
}
}
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