X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=srcjar_unused%2Forg%2Fjson%2Fsimple%2FJSONValue.java;fp=srcjar_unused%2Forg%2Fjson%2Fsimple%2FJSONValue.java;h=5da3cd09411df984b9c5436f37e73cc6c332d496;hb=4f30214e8098748469c6a4269ac2ed6c5750e4b0;hp=0000000000000000000000000000000000000000;hpb=9dabc02511e3a334a5749a504f57f69d6c9017bd;p=jalview.git diff --git a/srcjar_unused/org/json/simple/JSONValue.java b/srcjar_unused/org/json/simple/JSONValue.java new file mode 100644 index 0000000..5da3cd0 --- /dev/null +++ b/srcjar_unused/org/json/simple/JSONValue.java @@ -0,0 +1,316 @@ +/* + * $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 + */ +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. + *

+ * 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. + *

+ * 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. + *

+ * If this object is a Map or a List, and it's also a JSONAware, JSONAware will be considered firstly. + *

+ * 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='\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 + } + +}