Old_ReflectionUtils.java

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//

package com.q1labs.core.shared.util;

import com.q1labs.frameworks.util.Base64;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.json.JSONObject;
import org.apache.commons.lang3.SerializationUtils;

public class ReflectionUtils {
    public ReflectionUtils() {
    }

    public static <T> Object stringToObject(Class<T> type, String param) throws NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException {
        long i;
        int i;
        if (type.isPrimitive()) {
            if (type.equals(Integer.TYPE)) {
                if (param == null) {
                    param = "0";
                }

                i = (new Double(param)).longValue();
                if (i > 2147483647L) {
                    i = 0L - (2147483647L - i);
                }

                return (int)i;
            } else if (type.equals(Character.TYPE)) {
                return param.charAt(0);
            } else if (type.equals(Double.TYPE)) {
                return new Double(param);
            } else if (type.equals(Long.TYPE)) {
                try {
                    return new Long(param);
                } catch (NumberFormatException var11) {
                    return new Double(param);
                }
            } else if (type.equals(Float.TYPE)) {
                return new Float(param);
            } else if (type.equals(Byte.TYPE)) {
                return new Byte(param);
            } else if (type.equals(Short.TYPE)) {
                i = (new Double(param)).intValue();
                if (i > 32767) {
                    i = 0 - (32767 - i);
                }

                return (short)i;
            } else if (type.equals(Boolean.TYPE)) {
                return Boolean.valueOf(param);
            } else {
                throw new RuntimeException("Unknown primitive type: " + type.getName());
            }
        } else if (param != null && !param.equalsIgnoreCase("$_NULL_$")) {
            if (type.equals(Short.class)) {
                i = (new Double(param)).intValue();
                if (i > 32767) {
                    i = 0 - (32767 - i);
                }

                return (short)i;
            } else if (type.equals(Integer.class)) {
                i = (new Double(param)).longValue();
                if (i > 2147483647L) {
                    i = 0L - (2147483647L - i);
                }

                return (int)i;
            } else if (type.equals(Long.class)) {
                return (new Double(param)).longValue();
            } else if (type.equals(Date.class)) {
                try {
                    return (new SimpleDateFormat("yyyy-MM-dd 00:00:00")).parse(param);
                } catch (ParseException var12) {
                    throw new RuntimeException("Cannot parse Date type: " + param);
                }
            } else if (!type.equals(String.class) && !type.equals(Object.class)) {
                Method fromString;
                if (Enum.class.isAssignableFrom(type)) {
                    fromString = type.getMethod("valueOf", String.class);
                    return fromString.invoke((Object)null, param);
                } else if (type.equals(byte[].class)) {
                    return param.getBytes();
                } else if (JSONObject.class.isAssignableFrom(type)) {
                    try {
                        return new JSONObject(param);
                    } catch (Exception var13) {
                        throw new InstantiationException("Error creating JSONObject from " + param);
                    }
                } else if (!Map.class.isAssignableFrom(type)) {
                    try {
                        fromString = type.getMethod("fromString", String.class);
                        return fromString.invoke((Object)null, param);
                    } catch (NoSuchMethodException var14) {
                        try {
                            Constructor<T> stringConstructor = type.getConstructor(String.class);
                            return stringConstructor.newInstance(param);
                        } catch (NoSuchMethodException var10) {
                            return SerializationUtils.deserialize(Base64.decode(param));
                        }
                    }
                } else if (param.startsWith("{") && param.endsWith("}")) {
                    HashMap<String, Object> result = new HashMap();
                    String internString = param.substring(1, param.length() - 1);
                    String[] keyVals = internString.split(Pattern.quote(","));
                    String[] var5 = keyVals;
                    int var6 = keyVals.length;

                    for(int var7 = 0; var7 < var6; ++var7) {
                        String keyVal = var5[var7];
                        String[] keyPair = keyVal.split(Pattern.quote(":"));
                        result.put(keyPair[0].replace("\"", ""), keyPair[1].replace("\"", ""));
                    }

                    return result;
                } else {
                    return SerializationUtils.deserialize(Base64.decode(param));
                }
            } else {
                return param;
            }
        } else {
            return null;
        }
    }

    public static Object[] stringsToObjects(Class<?>[] types, String... parameters) throws RuntimeException {
        Pattern arrayMatcher = Pattern.compile("^\\[(.+)\\]$");
        if (parameters != null && parameters.length > 0) {
            Object[] newArgs = new Object[types.length];

            for(int i = 0; i < types.length; ++i) {
                try {
                    Class<?> type = types[i];
                    if (!type.isArray()) {
                        newArgs[i] = stringToObject(type, parameters[i]);
                    } else {
                        String className = type.getCanonicalName().replace('/', '.').replace("[]", "");
                        if (className.equals("long")) {
                            type = Long.TYPE;
                        } else if (className.equals("byte")) {
                            type = Byte.TYPE;
                        } else if (className.equals("short")) {
                            type = Short.TYPE;
                        } else if (className.equals("int")) {
                            type = Integer.TYPE;
                        } else if (className.equals("double")) {
                            type = Double.TYPE;
                        } else if (className.equals("float")) {
                            type = Float.TYPE;
                        } else if (className.equals("boolean")) {
                            type = Boolean.TYPE;
                        } else if (className.equals("char")) {
                            type = Character.TYPE;
                        } else {
                            type = Class.forName(className);
                        }

                        if (parameters[i] != null && parameters[i].equals("[]")) {
                            newArgs[i] = Array.newInstance(type, 0);
                        } else if (i == types.length - 1) {
                            Object objArr = Array.newInstance(type, parameters.length - i);
                            int arrLen = Array.getLength(objArr);

                            for(int j = 0; j < arrLen; ++j) {
                                Array.set(objArr, j, stringToObject(type, parameters[i + j]));
                            }

                            newArgs[i] = objArr;
                        } else if (parameters[i] != null) {
                            Matcher m = arrayMatcher.matcher(parameters[i]);
                            if (!m.matches()) {
                                Object objArr = Array.newInstance(type, 1);
                                Array.set(objArr, 0, stringToObject(type, parameters[i]));
                                newArgs[i] = objArr;
                            } else {
                                String[] args = m.group(1).split(Pattern.quote(","));
                                Object objArr = Array.newInstance(type, args.length);

                                for(int j = 0; j < args.length; ++j) {
                                    Array.set(objArr, j, stringToObject(type, args[j]));
                                }

                                newArgs[i] = objArr;
                            }
                        }
                    }
                } catch (Exception var11) {
                    throw new RuntimeException(var11);
                }
            }

            return newArgs;
        } else {
            return null;
        }
    }

    public static void invokeMethod(Object instance, String methodName, Object... args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
        Method method = getMethod(instance, methodName);
        if (method == null) {
            throw new IllegalArgumentException(String.format("Could not find a method with specified parameters. Object: [%s] Method: [%s] Args: [%s]", instance, methodName, args));
        } else {
            method.invoke(instance, args);
        }
    }

    public static boolean hasMethod(Object instance, String methodName) {
        boolean result = false;
        Method method = getMethod(instance, methodName);
        if (method != null) {
            result = true;
        }

        return result;
    }

    public static boolean hasSetterMethod(Object instance, String propertyName) {
        boolean result = false;
        String property = propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1);
        String methodName = "set" + property;
        Method setterMethod = getMethod(instance, methodName);
        if (setterMethod != null) {
            result = true;
        }

        return result;
    }

    public static Method getMethod(Object instance, String methodName) {
        Method result = null;
        Method[] methods = instance.getClass().getMethods();
        Method[] var4 = methods;
        int var5 = methods.length;

        for(int var6 = 0; var6 < var5; ++var6) {
            Method method = var4[var6];
            String foundMethodName = method.getName();
            if (foundMethodName.equals(methodName)) {
                result = method;
            }
        }

        return result;
    }
}