com.alibaba.csp.sentinel.datasource

Class FileInJarReadableDataSource<T>

java.lang.Object

com.alibaba.csp.sentinel.datasource.AbstractDataSource<String,T>

com.alibaba.csp.sentinel.datasource.FileInJarReadableDataSource<T>

All Implemented Interfaces:

ReadableDataSource<String,T>

public class FileInJarReadableDataSource<T>
extends AbstractDataSource<String,T>

A ReadableDataSource based on jar file. This class can only read file initially when it loads file.

Limitations: Default read buffer size is 1 MB, while max allowed buffer size is 4MB. File size should not exceed the buffer size, or exception will be thrown. Default charset is UTF-8.

Since:

1.6.0

Author:

dingq, Eric Zhao

Field Summary

Fields inherited from class com.alibaba.csp.sentinel.datasource.AbstractDataSource

parser, property

Constructor Summary

Constructors

Constructor and Description
FileInJarReadableDataSource(String jarName, String fileInJarName, Converter<String,T> configParser)
FileInJarReadableDataSource(String jarName, String fileInJarName, Converter<String,T> configParser, Charset charset)
FileInJarReadableDataSource(String jarName, String fileInJarName, Converter<String,T> configParser, int bufSize)
FileInJarReadableDataSource(String jarName, String fileInJarName, Converter<String,T> configParser, int bufSize, Charset charset)

Method Summary

Modifier and Type	Method and Description
void	close() Close the data source.
String	readSource() Read original data from the data source.

Methods inherited from class com.alibaba.csp.sentinel.datasource.AbstractDataSource

getProperty, loadConfig, loadConfig

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileInJarReadableDataSource

public FileInJarReadableDataSource(String jarName,
                                   String fileInJarName,
                                   Converter<String,T> configParser)
                            throws IOException

Parameters:

jarName - the jar to read

fileInJarName - the file in jar to read

configParser - the config decoder (parser)

Throws:

IOException - if IO failure occurs

FileInJarReadableDataSource

public FileInJarReadableDataSource(String jarName,
                                   String fileInJarName,
                                   Converter<String,T> configParser,
                                   int bufSize)
                            throws IOException

Throws:

IOException

FileInJarReadableDataSource

public FileInJarReadableDataSource(String jarName,
                                   String fileInJarName,
                                   Converter<String,T> configParser,
                                   Charset charset)
                            throws IOException

Throws:

IOException

FileInJarReadableDataSource

public FileInJarReadableDataSource(String jarName,
                                   String fileInJarName,
                                   Converter<String,T> configParser,
                                   int bufSize,
                                   Charset charset)
                            throws IOException

Throws:

IOException

Method Detail

readSource

public String readSource()
                  throws Exception

Description copied from interface: ReadableDataSource

Read original data from the data source.

Returns:

the original data.

Throws:

Exception - IO or other error occurs

close

public void close()
           throws Exception

Description copied from interface: ReadableDataSource

Close the data source.

Throws:

Exception - IO or other error occurs