Package net.sourceforge.plantuml.json
Class JsonParser
java.lang.Object
net.sourceforge.plantuml.json.JsonParser
public class JsonParser
extends java.lang.Object
A streaming parser for JSON text. The parser reports all events to a given handler.
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Constructor Summary
ConstructorsConstructorDescriptionJsonParser
(JsonHandler<?, ?> handler) Creates a new JsonParser with the given handler. -
Method Summary
Modifier and TypeMethodDescriptionvoid
parse
(java.io.Reader reader) Reads the entire input from the given reader and parses it as JSON.void
parse
(java.io.Reader reader, int buffersize) Reads the entire input from the given reader and parses it as JSON.void
parse
(java.lang.String string) Parses the given input string.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Details
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JsonParser
Creates a new JsonParser with the given handler. The parser will report all parser events to this handler.- Parameters:
handler
- the handler to process parser events
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Method Details
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parse
public void parse(java.lang.String string) Parses the given input string. The input must contain a valid JSON value, optionally padded with whitespace.- Parameters:
string
- the input string, must be valid JSON- Throws:
ParseException
- if the input is not valid JSON
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parse
public void parse(java.io.Reader reader) throws java.io.IOException Reads the entire input from the given reader and parses it as JSON. The input must contain a valid JSON value, optionally padded with whitespace.Characters are read in chunks into a default-sized input buffer. Hence, wrapping a reader in an additional
BufferedReader
likely won't improve reading performance.- Parameters:
reader
- the reader to read the input from- Throws:
java.io.IOException
- if an I/O error occurs in the readerParseException
- if the input is not valid JSON
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parse
public void parse(java.io.Reader reader, int buffersize) throws java.io.IOException Reads the entire input from the given reader and parses it as JSON. The input must contain a valid JSON value, optionally padded with whitespace.Characters are read in chunks into an input buffer of the given size. Hence, wrapping a reader in an additional
BufferedReader
likely won't improve reading performance.- Parameters:
reader
- the reader to read the input frombuffersize
- the size of the input buffer in chars- Throws:
java.io.IOException
- if an I/O error occurs in the readerParseException
- if the input is not valid JSON
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