tags : java6 scriptengine json
■コード
package hello.javax.script;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
public class HelloScriptEngineJson {
public static void main(String[] args) {
// Get the JavaScript engine
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("JavaScript");
String json = "{\"name\":\"John Smith\", \"age\": 33,\"arr\":[\"AAA\",\"BBB\",\"CCC\"]}";
String script = "var obj = " + json + ";";
try {
engine.eval(script);
{
String name = (String) engine.eval("obj.name");
System.out.println(name);
}
{
Double age = (Double) engine.eval("obj.age");
System.out.println(age);
}
{
Double length = (Double) engine.eval("obj.arr.length");
for (int n = 0; n < length; n++) {
System.out.println(engine.eval("obj.arr[" + n + "]"));
}
}
} catch (ScriptException e) {
e.printStackTrace();
}
}
}