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package org.json.simple.parser;
import java.io.IOException;
/**
* A simplified and stoppable SAX-like content handler for stream processing of
* JSON text.
*
* @see org.xml.sax.ContentHandler
* @see org.json.simple.parser.JSONParser#parse(rejava.io.Reader,
* ContentHandler, boolean)
*
* @author FangYidong<fangyidong@yahoo.com.cn>
*/
public interface ContentHandler {
/**
* Receive notification of the beginning of JSON processing. The parser will
* invoke this method only once.
*
* @throws ParseException
* - JSONParser will stop and throw the same exception to the
* caller when receiving this exception.
*/
void startJSON() throws ParseException, IOException;
/**
* Receive notification of the end of JSON processing.
*
* @throws ParseException
*/
void endJSON() throws ParseException, IOException;
/**
* Receive notification of the beginning of a JSON object.
*
* @return false if the handler wants to stop parsing after return.
* @throws ParseException
* - JSONParser will stop and throw the same exception to the
* caller when receiving this exception.
* @see #endJSON
*/
boolean startObject() throws ParseException, IOException;
/**
* Receive notification of the end of a JSON object.
*
* @return false if the handler wants to stop parsing after return.
* @throws ParseException
*
* @see #startObject
*/
boolean endObject() throws ParseException, IOException;
/**
* Receive notification of the beginning of a JSON object entry.
*
* @param key
* - Key of a JSON object entry.
*
* @return false if the handler wants to stop parsing after return.
* @throws ParseException
*
* @see #endObjectEntry
*/
boolean startObjectEntry(final String key) throws ParseException, IOException;
/**
* Receive notification of the end of the value of previous object entry.
*
* @return false if the handler wants to stop parsing after return.
* @throws ParseException
*
* @see #startObjectEntry
*/
boolean endObjectEntry() throws ParseException, IOException;
/**
* Receive notification of the beginning of a JSON array.
*
* @return false if the handler wants to stop parsing after return.
* @throws ParseException
*
* @see #endArray
*/
boolean startArray() throws ParseException, IOException;
/**
* Receive notification of the end of a JSON array.
*
* @return false if the handler wants to stop parsing after return.
* @throws ParseException
*
* @see #startArray
*/
boolean endArray() throws ParseException, IOException;
/**
* Receive notification of the JSON primitive values: java.lang.String,
* java.lang.Number, java.lang.Boolean null
*
* @param value
* - Instance of the following: java.lang.String,
* java.lang.Number, java.lang.Boolean null
*
* @return false if the handler wants to stop parsing after return.
* @throws ParseException
*/
boolean primitive(final Object value) throws ParseException, IOException;
}
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