com.sigio.json

Class JSONWriter

java.lang.Object

java.io.Writer

java.io.FilterWriter

com.sigio.json.JSONWriter

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.Appendable, java.lang.AutoCloseable

public class JSONWriter
extends java.io.FilterWriter

Writer class to write certain java objects as JSON value strings.

Field Summary

Fields inherited from class java.io.FilterWriter

out

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor and Description
JSONWriter(java.io.Writer out) Construct a new JSONWriter.

Method Summary

Modifier and Type	Method and Description
void	write(java.lang.Object o) Write a java object as a JSON value string.
void	write(java.lang.String str) Writes a string as a JSON string.
void	write(java.lang.String str, int off, int len) Writes a portion of a string as a JSON string.

Methods inherited from class java.io.FilterWriter

close, flush, write, write

Methods inherited from class java.io.Writer

append, append, append, write

Methods inherited from class java.lang.Object

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

Constructor Detail

JSONWriter

public JSONWriter(java.io.Writer out)

Construct a new JSONWriter.

Method Detail

write

public void write(java.lang.Object o)
           throws java.io.IOException

Write a java object as a JSON value string. Classes are written as follows:

• JSONLiteral, null, and Boolean are written as literal strings.
• Instances of java.util.Map, including JSONObject, are written as JSON objects.
• Instances of java.util.Collection, including JSONArray, are written as JSON arrays.
• Instances of Number are written as JSON numbers (i.e. literal string representation of the numeric value).
• Instances of String are written as JSON strings.
• All other classes have their toString() method called and the result is written as a JSON string.

Parameters:

o - Object to write

Throws:

java.io.IOException - If an I/O error occurs

write

public void write(java.lang.String str)
           throws java.io.IOException

Writes a string as a JSON string.

Overrides:

write in class java.io.Writer

Parameters:

str - String to write

Throws:

java.io.IOException - If an I/O error occurs

write

public void write(java.lang.String str,
                  int off,
                  int len)
           throws java.io.IOException,
                  java.lang.IndexOutOfBoundsException

Writes a portion of a string as a JSON string.

Overrides:

write in class java.io.FilterWriter

Parameters:

str - String to be written

off - Offset from which to start reading characters

len - Number of characters to write

Throws:

java.io.IOException - If an I/O error occurs

java.lang.IndexOutOfBoundsException - If off or len are negative or if off + len exceed the length of str