[Java] Class JsonLexer
- groovy.json.JsonLexer
- All Implemented Interfaces and Traits:
- Iterator
public class JsonLexer
The lexer reads JSON tokens in a streaming fashion from the underlying reader.
- Since:
- 1.8.0
Constructor Summary
| Constructor and description |
|---|
JsonLexer
(Reader reader)Instantiates a lexer with a reader from which to read JSON tokens. |
Methods Summary
| Type Params | Return Type | Name and description |
|---|---|---|
public LineColumnReader |
getReader()Underlying reader from which to read the JSON tokens. | |
public boolean |
hasNext()Iterator method to know if another token follows, or if we've reached the end of the stream. | |
public JsonToken |
next()Iterator method to get the next token of the stream. | |
public JsonToken |
nextToken()
| |
public void |
remove()Method not implemented. | |
public int |
skipWhitespace()Skips all the whitespace characters and moves the cursor to the next non-space character. | |
public static String |
unescape(String input)Replace unicode escape and other control characters with real characters |
Inherited Methods Summary
| Methods inherited from class | Name |
|---|---|
class Object | wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll |
Constructor Detail
public JsonLexer(Reader reader)
Instantiates a lexer with a reader from which to read JSON tokens. Under the hood, the reader is wrapped in a LineColumnReader, for line and column information, unless it's already an instance of that class.
- Parameters:
-
reader- underlying reader
Method Detail
public LineColumnReader getReader()
Underlying reader from which to read the JSON tokens. This reader is an instance of LineColumnReader, to keep track of line and column positions.
public boolean hasNext()
Iterator method to know if another token follows, or if we've reached the end of the stream.
- Returns:
- true if there are more tokens
public JsonToken next()
Iterator method to get the next token of the stream.
- Returns:
- the next token
public JsonToken nextToken()
- Returns:
- the next token from the stream
public void remove()
Method not implemented.
- throws:
- UnsupportedOperationException
public int skipWhitespace()
Skips all the whitespace characters and moves the cursor to the next non-space character.
public static String unescape(String input)
Replace unicode escape and other control characters with real characters
- Parameters:
-
input- text
- Returns:
- input text without the escaping
© 2003-2020 The Apache Software Foundation
Licensed under the Apache license.
https://docs.groovy-lang.org/3.0.7/html/gapi/groovy/json/JsonLexer.html