com.amazonaws.util.json

Interface AwsJsonReader

public interface AwsJsonReader

A streaming JSON reader.

Method Summary

Modifier and Type	Method and Description
void	beginArray() Consumes the next token and asserts that it is the beginning of an array.
void	beginObject() Consumes the next token and asserts that it is the beginning of an object.
void	close() Closes this reader as well as the underlying Reader.
void	endArray() Consumes the next token and asserts that it is the end of an array.
void	endObject() Consumes the next token and asserts that it is the end of an object.
boolean	hasNext() If in an array or an object, returns true if there are more elements.
boolean	isContainer() Returns true if the next token is either AwsJsonToken.BEGIN_ARRAY or AwsJsonToken.BEGIN_OBJECT.
String	nextName() If the next token is AwsJsonToken.FIELD_NAME, gets the field name as String, and consumes it.
String	nextString() Gets the next value as String, or null if the token is AwsJsonToken.VALUE_NULL.
AwsJsonToken	peek() Gets the next token but doesn't consume it.
void	skipValue() Skips a value.

Method Detail

beginArray

void beginArray()
         throws IOException

Consumes the next token and asserts that it is the beginning of an array.

Throws:

IOException

endArray

void endArray()
       throws IOException

Consumes the next token and asserts that it is the end of an array.

Throws:

IOException

beginObject

void beginObject()
          throws IOException

Consumes the next token and asserts that it is the beginning of an object.

Throws:

IOException

endObject

void endObject()
        throws IOException

Consumes the next token and asserts that it is the end of an object.

Throws:

IOException

isContainer

boolean isContainer()
             throws IOException

Returns true if the next token is either AwsJsonToken.BEGIN_ARRAY or AwsJsonToken.BEGIN_OBJECT.

Returns:

true if it's an array or an object

Throws:

IOException

hasNext

boolean hasNext()
         throws IOException

If in an array or an object, returns true if there are more elements.

Returns:

true if the array or object has more elements, false otherwise.

Throws:

IOException

nextName

String nextName()
         throws IOException

If the next token is AwsJsonToken.FIELD_NAME, gets the field name as String, and consumes it.

Returns:

field name

Throws:

IOException

nextString

String nextString()
           throws IOException

Gets the next value as String, or null if the token is AwsJsonToken.VALUE_NULL.

Returns:

the next value as String

Throws:

IOException

peek

AwsJsonToken peek()
           throws IOException

Gets the next token but doesn't consume it.

Returns:

the next token

Throws:

IOException

skipValue

void skipValue()
        throws IOException

Skips a value.

Throws:

IOException

close

void close()
    throws IOException

Closes this reader as well as the underlying Reader.

Throws:

IOException