+++ /dev/null
-/*
- * $Id: JSONValue.java,v 1.1 2006/04/15 14:37:04 platform Exp $
- * Created on 2006-4-15
- */
-package org.json.simple;
-
-import java.io.IOException;
-import java.io.Reader;
-import java.io.StringReader;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.util.Collection;
-// import java.util.List;
-import java.util.Map;
-
-import org.json.simple.parser.JSONParser;
-import org.json.simple.parser.ParseException;
-
-
-/**
- * @author FangYidong<fangyidong@yahoo.com.cn>
- */
-public class JSONValue {
- /**
- * Parse JSON text into java object from the input source.
- * Please use parseWithException() if you don't want to ignore the exception.
- *
- * @see org.json.simple.parser.JSONParser#parse(Reader)
- * @see #parseWithException(Reader)
- *
- * @param in
- * @return Instance of the following:
- * org.json.simple.JSONObject,
- * org.json.simple.JSONArray,
- * java.lang.String,
- * java.lang.Number,
- * java.lang.Boolean,
- * null
- *
- * @deprecated this method may throw an {@code Error} instead of returning
- * {@code null}; please use {@link JSONValue#parseWithException(Reader)}
- * instead
- */
- public static Object parse(Reader in){
- try{
- JSONParser parser=new JSONParser();
- return parser.parse(in);
- }
- catch(Exception e){
- return null;
- }
- }
-
- /**
- * Parse JSON text into java object from the given string.
- * Please use parseWithException() if you don't want to ignore the exception.
- *
- * @see org.json.simple.parser.JSONParser#parse(Reader)
- * @see #parseWithException(Reader)
- *
- * @param s
- * @return Instance of the following:
- * org.json.simple.JSONObject,
- * org.json.simple.JSONArray,
- * java.lang.String,
- * java.lang.Number,
- * java.lang.Boolean,
- * null
- *
- * @deprecated this method may throw an {@code Error} instead of returning
- * {@code null}; please use {@link JSONValue#parseWithException(String)}
- * instead
- */
- public static Object parse(String s){
- StringReader in=new StringReader(s);
- return parse(in);
- }
-
- /**
- * Parse JSON text into java object from the input source.
- *
- * @see org.json.simple.parser.JSONParser
- *
- * @param in
- * @return Instance of the following:
- * org.json.simple.JSONObject,
- * org.json.simple.JSONArray,
- * java.lang.String,
- * java.lang.Number,
- * java.lang.Boolean,
- * null
- *
- * @throws IOException
- * @throws ParseException
- */
- public static Object parseWithException(Reader in) throws IOException, ParseException{
- JSONParser parser=new JSONParser();
- return parser.parse(in);
- }
-
- public static Object parseWithException(String s) throws ParseException{
- JSONParser parser=new JSONParser();
- return parser.parse(s);
- }
-
- /**
- * Encode an object into JSON text and write it to out.
- * <p>
- * If this object is a Map or a List, and it's also a JSONStreamAware or a JSONAware, JSONStreamAware or JSONAware will be considered firstly.
- * <p>
- * DO NOT call this method from writeJSONString(Writer) of a class that implements both JSONStreamAware and (Map or List) with
- * "this" as the first parameter, use JSONObject.writeJSONString(Map, Writer) or JSONArray.writeJSONString(List, Writer) instead.
- *
- * @see org.json.simple.JSONObject#writeJSONString(Map, Writer)
- * @see org.json.simple.JSONArray#writeJSONString(List, Writer)
- *
- * @param value
- * @param writer
- */
- public static void writeJSONString(Object value, Writer out) throws IOException {
- if(value == null){
- out.write("null");
- return;
- }
-
- if(value instanceof String){
- out.write('\"');
- out.write(escape((String)value));
- out.write('\"');
- return;
- }
-
- if(value instanceof Double){
- if(((Double)value).isInfinite() || ((Double)value).isNaN())
- out.write("null");
- else
- out.write(value.toString());
- return;
- }
-
- if(value instanceof Float){
- if(((Float)value).isInfinite() || ((Float)value).isNaN())
- out.write("null");
- else
- out.write(value.toString());
- return;
- }
-
- if(value instanceof Number){
- out.write(value.toString());
- return;
- }
-
- if(value instanceof Boolean){
- out.write(value.toString());
- return;
- }
-
- if((value instanceof JSONStreamAware)){
- ((JSONStreamAware)value).writeJSONString(out);
- return;
- }
-
- if((value instanceof JSONAware)){
- out.write(((JSONAware)value).toJSONString());
- return;
- }
-
- if(value instanceof Map){
- JSONObject.writeJSONString((Map)value, out);
- return;
- }
-
- if(value instanceof Collection){
- JSONArray.writeJSONString((Collection)value, out);
- return;
- }
-
- if(value instanceof byte[]){
- JSONArray.writeJSONString((byte[])value, out);
- return;
- }
-
- if(value instanceof short[]){
- JSONArray.writeJSONString((short[])value, out);
- return;
- }
-
- if(value instanceof int[]){
- JSONArray.writeJSONString((int[])value, out);
- return;
- }
-
- if(value instanceof long[]){
- JSONArray.writeJSONString((long[])value, out);
- return;
- }
-
- if(value instanceof float[]){
- JSONArray.writeJSONString((float[])value, out);
- return;
- }
-
- if(value instanceof double[]){
- JSONArray.writeJSONString((double[])value, out);
- return;
- }
-
- if(value instanceof boolean[]){
- JSONArray.writeJSONString((boolean[])value, out);
- return;
- }
-
- if(value instanceof char[]){
- JSONArray.writeJSONString((char[])value, out);
- return;
- }
-
- if(value instanceof Object[]){
- JSONArray.writeJSONString((Object[])value, out);
- return;
- }
-
- out.write(value.toString());
- }
-
- /**
- * Convert an object to JSON text.
- * <p>
- * If this object is a Map or a List, and it's also a JSONAware, JSONAware will be considered firstly.
- * <p>
- * DO NOT call this method from toJSONString() of a class that implements both JSONAware and Map or List with
- * "this" as the parameter, use JSONObject.toJSONString(Map) or JSONArray.toJSONString(List) instead.
- *
- * @see org.json.simple.JSONObject#toJSONString(Map)
- * @see org.json.simple.JSONArray#toJSONString(List)
- *
- * @param value
- * @return JSON text, or "null" if value is null or it's an NaN or an INF number.
- */
- public static String toJSONString(Object value){
- final StringWriter writer = new StringWriter();
-
- try{
- writeJSONString(value, writer);
- return writer.toString();
- } catch(IOException e){
- // This should never happen for a StringWriter
- throw new RuntimeException(e);
- }
- }
-
- /**
- * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F).
- * @param s
- * @return
- */
- public static String escape(String s){
- if(s==null)
- return null;
- StringBuffer sb = new StringBuffer();
- escape(s, sb);
- return sb.toString();
- }
-
- /**
- * @param s - Must not be null.
- * @param sb
- */
- static void escape(String s, StringBuffer sb) {
- final int len = s.length();
- for(int i=0;i<len;i++){
- char ch=s.charAt(i);
- switch(ch){
- case '"':
- sb.append("\\\"");
- break;
- case '\\':
- sb.append("\\\\");
- break;
- case '\b':
- sb.append("\\b");
- break;
- case '\f':
- sb.append("\\f");
- break;
- case '\n':
- sb.append("\\n");
- break;
- case '\r':
- sb.append("\\r");
- break;
- case '\t':
- sb.append("\\t");
- break;
- case '/':
- sb.append("\\/");
- break;
- default:
- //Reference: http://www.unicode.org/versions/Unicode5.1.0/
- if((ch>='\u0000' && ch<='\u001F') || (ch>='\u007F' && ch<='\u009F') || (ch>='\u2000' && ch<='\u20FF')){
- String ss=Integer.toHexString(ch);
- sb.append("\\u");
- for(int k=0;k<4-ss.length();k++){
- sb.append('0');
- }
- sb.append(ss.toUpperCase());
- }
- else{
- sb.append(ch);
- }
- }
- }//for
- }
-
-}
git://source.jalview.org / jalview.git / blobdiff