test.java

JSON使用源码,对于AJAX与服务器数据交换,采用JSON作为数据传输格式是个不错的选择

package org.json;

import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.io.StringWriter;

/**
 * Test class. This file is not formally a member of the org.json library.
 * It is just a casual test tool.
 */
public class Test {

    /**
     * Entry point.
     * @param args
     */
    public static void main(String args[]) {
        Iterator it;
        JSONArray a;
        JSONObject j;
        JSONStringer jj;
        String s;
        
// Obj is a typical class that implements JSONString.        

        class Obj implements JSONString {
        	public String aString;
        	public double aNumber;
        	public boolean aBoolean;
        	
            public Obj(String string, double n, boolean b) {
                this.aString = string;
                this.aNumber = n;
                this.aBoolean = b;
            }
            
            public String toJSONString() {
            	return "{" + JSONObject.quote(this.aString) + ":" + 
            	JSONObject.doubleToString(this.aNumber) + "}";
            }            
            public String toString() {
            	return this.aString + " " + this.aNumber + " " + this.aBoolean;
            }
        }      
        
        
        try {     	
        	String sa[] = {"aString", "aNumber", "aBoolean"};
        	Obj obj = new Obj("A string, a number, and a boolean", 42, true);
            
            j = XML.toJSONObject("<![CDATA[This is a collection of test patterns and examples for org.json.]]>  Ignore the stuff past the end.  ");
            System.out.println(j.toString());
            
            jj = new JSONStringer();
            s = jj.object()
                .key("foo")
                .value("bar")
                .key("baz")
                .array()
                    .object()
                        .key("quux")
                        .value("Thanks, Josh!")
                    .endObject()
                .endArray()
                .endObject()
                .toString();
            System.out.println(s);

            System.out.println(new JSONStringer()
                .object()
                .key("a")
                .array()
                .array()
                .array()
                .value("b")
                .endArray()
                .endArray()
                .endArray()
                .endObject()
                .toString());

            jj = new JSONStringer();
            jj.array();
            jj.value(1);
            jj.array();
            jj.value(null);
            jj.array();
            jj.object();
            jj.key("empty-array").array().endArray();
            jj.key("answer").value(42);
            jj.key("null").value(null);
            jj.key("false").value(false);
            jj.key("true").value(true);
            jj.key("big").value(123456789e+88);
            jj.key("small").value(123456789e-88);
            jj.key("empty-object").object().endObject();
            jj.key("long");
            jj.value(9223372036854775807L);
            jj.endObject();
            jj.value("two");
            jj.endArray();
            jj.value(true);
            jj.endArray();
            jj.value(98.6);
            jj.value(-100.0);
            jj.object();
            jj.endObject();
            jj.object();
            jj.key("one");
            jj.value(1.00);
            jj.endObject();
            jj.value(obj);
            jj.endArray();
            System.out.println(jj.toString());

            System.out.println(new JSONArray(jj.toString()).toString(4));

            j = new JSONObject(obj, sa);
            j.put("test", obj);
            j.put("comment", "This object contains a test object that implements JSONString");
            System.out.println(j.toString(4));          
            
            j = new JSONObject("{slashes: '///', closetag: '</script>', backslash:'\\\\', ei: {quotes: '\"\\''},eo: {a: '\"quoted\"', b:\"don't\"}, quotes: [\"'\", '\"']}");
            System.out.println(j.toString(2));
            System.out.println(XML.toString(j));
            System.out.println("");

            j = new JSONObject(
                "/*comment*/{foo: [true, false,9876543210,    0.0, 1.00000001,  1.000000000001, 1.00000000000000001," +
                " .00000000000000001, 2.00, 0.1, 2e100, -32,[],{}, \"string\"], " +
                "  to   : null, op : 'Good'," +
                "ten:10} postfix comment");
            j.put("String", "98.6");
            j.put("JSONObject", new JSONObject());
            j.put("JSONArray", new JSONArray());
            j.put("int", 57);
            j.put("double", 123456789012345678901234567890.);
            j.put("true", true);
            j.put("false", false);
            j.put("null", JSONObject.NULL);
            j.put("bool", "true");
            j.put("zero", -0.0);
            j.put("\\u2028", "\u2028");
            j.put("\\u2029", "\u2029");
            a = j.getJSONArray("foo");
            a.put(666);
            a.put(2001.99);
            a.put("so \"fine\".");
            a.put("so <fine>.");
            a.put(true);
            a.put(false);
            a.put(new JSONArray());
            a.put(new JSONObject());
            System.out.println(j.toString(4));
            System.out.println(XML.toString(j));

            System.out.println("String: " + j.getDouble("String"));
            System.out.println("  bool: " + j.getBoolean("bool"));
            System.out.println("    to: " + j.getString("to"));
            System.out.println("  true: " + j.getString("true"));
            System.out.println("   foo: " + j.getJSONArray("foo"));
            System.out.println("    op: " + j.getString("op"));
            System.out.println("   ten: " + j.getInt("ten"));
            System.out.println("  oops: " + j.optBoolean("oops"));

            j = XML.toJSONObject("<xml one = 1 two=' \"2\" '><five></five>First \u0009&lt;content&gt;<five></five> This is \"content\". <three>  3  </three>JSON does not preserve the sequencing of elements and contents.<three>  III  </three>  <three>  T H R E E</three><four/>Content text is an implied structure in XML. <six content=\"6\"/>JSON does not have implied structure:<seven>7</seven>everything is explicit.<![CDATA[CDATA blocks<are><supported>!]]></xml>");
            System.out.println(j.toString(2));
            System.out.println(XML.toString(j));
            System.out.println("");

            j = XML.toJSONObject("<mapping><empty/>   <class name = \"Customer\">      <field name = \"ID\" type = \"string\">         <bind-xml name=\"ID\" node=\"attribute\"/>      </field>      <field name = \"FirstName\" type = \"FirstName\"/>      <field name = \"MI\" type = \"MI\"/>      <field name = \"LastName\" type = \"LastName\"/>   </class>   <class name = \"FirstName\">      <field name = \"text\">         <bind-xml name = \"text\" node = \"text\"/>      </field>   </class>   <class name = \"MI\">      <field name = \"text\">         <bind-xml name = \"text\" node = \"text\"/>      </field>   </class>   <class name = \"LastName\">      <field name = \"text\">         <bind-xml name = \"text\" node = \"text\"/>      </field>   </class></mapping>");

            System.out.println(j.toString(2));
            System.out.println(XML.toString(j));
            System.out.println("");

            j = XML.toJSONObject("<?xml version=\"1.0\" ?><Book Author=\"Anonymous\"><Title>Sample Book</Title><Chapter id=\"1\">This is chapter 1. It is not very long or interesting.</Chapter><Chapter id=\"2\">This is chapter 2. Although it is longer than chapter 1, it is not any more interesting.</Chapter></Book>");
            System.out.println(j.toString(2));
            System.out.println(XML.toString(j));
            System.out.println("");

            j = XML.toJSONObject("<!DOCTYPE bCard 'http://www.cs.caltech.edu/~adam/schemas/bCard'><bCard><?xml default bCard        firstname = ''        lastname  = '' company   = '' email = '' homepage  = ''?><bCard        firstname = 'Rohit'        lastname  = 'Khare'        company   = 'MCI'        email     = '[e-mail]'        homepage  = 'http://pest.w3.org/'/><bCard        firstname = 'Adam'        lastname  = 'Rifkin'        company   = 'Caltech Infospheres Project'        email     = '[e-mail]'        homepage  = 'http://www.cs.caltech.edu/~adam/'/></bCard>");
            System.out.println(j.toString(2));
            System.out.println(XML.toString(j));
            System.out.println("");

            j = XML.toJSONObject("<?xml version=\"1.0\"?><customer>    <firstName>        <text>Fred</text>    </firstName>    <ID>fbs0001</ID>    <lastName> <text>Scerbo</text>    </lastName>    <MI>        <text>B</text>    </MI></customer>");
            System.out.println(j.toString(2));
            System.out.println(XML.toString(j));
            System.out.println("");

            j = XML.toJSONObject("<!ENTITY tp-address PUBLIC '-//ABC University::Special Collections Library//TEXT (titlepage: name and address)//EN' 'tpspcoll.sgm'><list type='simple'><head>Repository Address </head><item>Special Collections Library</item><item>ABC University</item><item>Main Library, 40 Circle Drive</item><item>Ourtown, Pennsylvania</item><item>17654 USA</item></list>");
            System.out.println(j.toString());
            System.out.println(XML.toString(j));
            System.out.println("");

            j = XML.toJSONObject("<test intertag status=ok><empty/>deluxe<blip sweet=true>&amp;&quot;toot&quot;&toot;&#x41;</blip><x>eks</x><w>bonus</w><w>bonus2</w></test>");
            System.out.println(j.toString(2));
            System.out.println(XML.toString(j));
            System.out.println("");

            j = HTTP.toJSONObject("GET / HTTP/1.0\nAccept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */*\nAccept-Language: en-us\nUser-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows 98; Win 9x 4.90; T312461; Q312461)\nHost: www.nokko.com\nConnection: keep-alive\nAccept-encoding: gzip, deflate\n");
            System.out.println(j.toString(2));
            System.out.println(HTTP.toString(j));
            System.out.println("");

            j = HTTP.toJSONObject("HTTP/1.1 200 Oki Doki\nDate: Sun, 26 May 2002 17:38:52 GMT\nServer: Apache/1.3.23 (Unix) mod_perl/1.26\nKeep-Alive: timeout=15, max=100\nConnection: Keep-Alive\nTransfer-Encoding: chunked\nContent-Type: text/html\n");
            System.out.println(j.toString(2));
            System.out.println(HTTP.toString(j));
            System.out.println("");

            j = new JSONObject("{nix: null, nux: false, null: 'null', 'Request-URI': '/', Method: 'GET', 'HTTP-Version': 'HTTP/1.0'}");
            System.out.println(j.toString(2));
            System.out.println("isNull: " + j.isNull("nix"));
            System.out.println("   has: " + j.has("nix"));
            System.out.println(XML.toString(j));
            System.out.println(HTTP.toString(j));
            System.out.println("");