com.asakusafw.runtime.io.json

Interface JsonInput<T>

Type Parameters:

T - the data type

All Superinterfaces:

AutoCloseable, Closeable, ModelInput<T>

public interface JsonInput<T>
extends ModelInput<T>

Input from JSON format data.

Since:

0.10.3

Method Summary

Modifier and Type	Method and Description
default long	getLineNumber() Returns the number of line where the last input starts.
default long	getRecordIndex() Returns the record index of the last input.
boolean	readTo(T model) Reads contents and write them into the target data model object.

Methods inherited from interface java.io.Closeable

close

Method Detail

readTo

boolean readTo(T model)
        throws IOException

Reads contents and write them into the target data model object. The target data model object will be changed even if the next data does not exist.

Specified by:

readTo in interface ModelInput<T>

Parameters:

model - the target data model object

Returns:

true if the next data was successfully read, or false if there is no any more

Throws:

JsonFormatException - if JSON data is invalid

IOException - if error occurred while reading the next data

getLineNumber

default long getLineNumber()

Returns the number of line where the last input starts.

Returns:

the line number (0-origin), or -1 if it is not sure

getRecordIndex

default long getRecordIndex()

Returns the record index of the last input.

Returns:

the record index (0-origin), or -1 if it is not sure