edwin

Kisah Inspirasi untuk Hari Ini, Kualitas Sebuah Persepsi

Dahulu kala ada 2 orang kakak beradik. Ketika ayahnya meninggal sebelumnya berpesan dua hal:

1. Jangan pernah menagih hutang kepada orang yang berhutang kepadamu.
2. Jika mereka pergi dari rumah ke toko jangan sampai mukanya terkena sinar matahari.

Waktu berjalan terus. Dan kenyataan terjadi, bahwa beberapa tahun setelah ayahnya meninggal anak yang sulung bertambah kaya sedang yang bungsu menjadi semakin miskin.

Ibunya yang masih hidup menanyakan hal itu kepada mereka. Jawab anak yang bungsu:

“Ini karena saya mengikuti pesan ayah. Ayah berpesan bahwa saya tidak boleh menagih hutang kepada orang yang berhutang kepadaku, akibatnya modalku susut karena orang yang berhutang kepadaku tidak membayar sementara aku tidak boleh menagih. Juga Ayah berpesan supaya kalau saya pergi atau pulang dari rumah ke toko dan sebaliknya tidak boleh terkena sinar matahari. Akibatnya saya harus naik becak atau andong, padahal sebetulnya saya bisa berjalan kaki saja, tetapi karena pesan ayah itu, akibatnya pengeluaranku bertambah banyak”.

Kepada anak yang sulung yang bertambah kaya, ibupun bertanya hal yang sama. Jawab anak sulung:

“Ini semua adalah karena saya mentaati pesan ayah. Karena Ayah berpesan supaya saya tidak menagih kepada orang yang berhutang kepada saya, maka saya tidak pernah menghutangkan sehingga dengan demikian modal tidak susut “Juga Ayah berpesan agar supaya jika saya berangkat ke toko atau pulang dari toko tidak boleh terkena sinar matahari, maka saya berangkat ke toko sebelum matahari terbit dan pulang sesudah matahari terbenam. Karenanya toko saya buka sebelum toko lain buka, dan tutup jauh sesudah toko yang lain tutup. Sehingga karena kebiasaan itu, orang menjadi tahu dan tokoku menjadi laris, karena mempunyai jam kerja lebih lama”.


Kisah diatas menunjukkan bagaimana sebuah kalimat di tanggapi dengan presepsi yang berbeda. Jika kita melihat dengan positive attitude maka segala kesulitan sebenarnya adalah sebuah perjalanan membuat kita sukses tetapi kita bisa juga terhanyut dengan adanya kesulitan karena rutinitas kita .. pilihan ada di tangan anda.

How to Convert from ASCII to EBCDIC Using Java

Today I had a specific requirement to connect to a corebanking application using ISO8583. Their requirement is that every message needs to be on EBCDIC format, that’s why i need to create a class to do converting from ASCII into EBCDIC format.

After sometime googling, i found a class that i hope would fit with my requirement.

public class Converter {

    private static byte[] ASCII2EBCDIC = new byte[256];

    static {
        ASCII2EBCDIC[0x00] = (byte) 0x00;
        ASCII2EBCDIC[0x01] = (byte) 0x01;
        ASCII2EBCDIC[0x02] = (byte) 0x02;
        ASCII2EBCDIC[0x03] = (byte) 0x03;
        ASCII2EBCDIC[0x04] = (byte) 0x37;
        ASCII2EBCDIC[0x05] = (byte) 0x2D;
        ASCII2EBCDIC[0x06] = (byte) 0x2E;
        ASCII2EBCDIC[0x07] = (byte) 0x2F;
        ASCII2EBCDIC[0x08] = (byte) 0x16;
        ASCII2EBCDIC[0x09] = (byte) 0x05;
        ASCII2EBCDIC[0x0A] = (byte) 0x25;
        ASCII2EBCDIC[0x0B] = (byte) 0x0B;
        ASCII2EBCDIC[0x0C] = (byte) 0x0C;
        ASCII2EBCDIC[0x0D] = (byte) 0x0D;
        ASCII2EBCDIC[0x0E] = (byte) 0x0E;
        ASCII2EBCDIC[0x0F] = (byte) 0x0F;
        ASCII2EBCDIC[0x10] = (byte) 0x10;
        ASCII2EBCDIC[0x11] = (byte) 0x11;
        ASCII2EBCDIC[0x12] = (byte) 0x12;
        ASCII2EBCDIC[0x13] = (byte) 0x13;
        ASCII2EBCDIC[0x14] = (byte) 0x3C;
        ASCII2EBCDIC[0x15] = (byte) 0x3D;
        ASCII2EBCDIC[0x16] = (byte) 0x32;
        ASCII2EBCDIC[0x17] = (byte) 0x26;
        ASCII2EBCDIC[0x18] = (byte) 0x18;
        ASCII2EBCDIC[0x19] = (byte) 0x19;
        ASCII2EBCDIC[0x1A] = (byte) 0x3F;
        ASCII2EBCDIC[0x1B] = (byte) 0x27;
        ASCII2EBCDIC[0x1C] = (byte) 0x1C;
        ASCII2EBCDIC[0x1D] = (byte) 0x1D;
        ASCII2EBCDIC[0x1E] = (byte) 0x1E;
        ASCII2EBCDIC[0x1F] = (byte) 0x1F;
        ASCII2EBCDIC[0x20] = (byte) 0x40;
        ASCII2EBCDIC[0x21] = (byte) 0x4F;
        ASCII2EBCDIC[0x22] = (byte) 0x7F;
        ASCII2EBCDIC[0x23] = (byte) 0x7B;
        ASCII2EBCDIC[0x24] = (byte) 0x5B;
        ASCII2EBCDIC[0x25] = (byte) 0x6C;
        ASCII2EBCDIC[0x26] = (byte) 0x50;
        ASCII2EBCDIC[0x27] = (byte) 0x7D;
        ASCII2EBCDIC[0x28] = (byte) 0x4D;
        ASCII2EBCDIC[0x29] = (byte) 0x5D;
        ASCII2EBCDIC[0x2A] = (byte) 0x5C;
        ASCII2EBCDIC[0x2B] = (byte) 0x4E;
        ASCII2EBCDIC[0x2C] = (byte) 0x6B;
        ASCII2EBCDIC[0x2D] = (byte) 0x60;
        ASCII2EBCDIC[0x2E] = (byte) 0x4B;
        ASCII2EBCDIC[0x2F] = (byte) 0x61;
        ASCII2EBCDIC[0x30] = (byte) 0xF0;
        ASCII2EBCDIC[0x31] = (byte) 0xF1;
        ASCII2EBCDIC[0x32] = (byte) 0xF2;
        ASCII2EBCDIC[0x33] = (byte) 0xF3;
        ASCII2EBCDIC[0x34] = (byte) 0xF4;
        ASCII2EBCDIC[0x35] = (byte) 0xF5;
        ASCII2EBCDIC[0x36] = (byte) 0xF6;
        ASCII2EBCDIC[0x37] = (byte) 0xF7;
        ASCII2EBCDIC[0x38] = (byte) 0xF8;
        ASCII2EBCDIC[0x39] = (byte) 0xF9;
        ASCII2EBCDIC[0x3A] = (byte) 0x7A;
        ASCII2EBCDIC[0x3B] = (byte) 0x5E;
        ASCII2EBCDIC[0x3C] = (byte) 0x4C;
        ASCII2EBCDIC[0x3D] = (byte) 0x7E;
        ASCII2EBCDIC[0x3E] = (byte) 0x6E;
        ASCII2EBCDIC[0x3F] = (byte) 0x6F;
        ASCII2EBCDIC[0x40] = (byte) 0x7C;
        ASCII2EBCDIC[0x41] = (byte) 0xC1;
        ASCII2EBCDIC[0x42] = (byte) 0xC2;
        ASCII2EBCDIC[0x43] = (byte) 0xC3;
        ASCII2EBCDIC[0x44] = (byte) 0xC4;
        ASCII2EBCDIC[0x45] = (byte) 0xC5;
        ASCII2EBCDIC[0x46] = (byte) 0xC6;
        ASCII2EBCDIC[0x47] = (byte) 0xC7;
        ASCII2EBCDIC[0x48] = (byte) 0xC8;
        ASCII2EBCDIC[0x49] = (byte) 0xC9;
        ASCII2EBCDIC[0x4A] = (byte) 0xD1;
        ASCII2EBCDIC[0x4B] = (byte) 0xD2;
        ASCII2EBCDIC[0x4C] = (byte) 0xD3;
        ASCII2EBCDIC[0x4D] = (byte) 0xD4;
        ASCII2EBCDIC[0x4E] = (byte) 0xD5;
        ASCII2EBCDIC[0x4F] = (byte) 0xD6;
        ASCII2EBCDIC[0x50] = (byte) 0xD7;
        ASCII2EBCDIC[0x51] = (byte) 0xD8;
        ASCII2EBCDIC[0x52] = (byte) 0xD9;
        ASCII2EBCDIC[0x53] = (byte) 0xE2;
        ASCII2EBCDIC[0x54] = (byte) 0xE3;
        ASCII2EBCDIC[0x55] = (byte) 0xE4;
        ASCII2EBCDIC[0x56] = (byte) 0xE5;
        ASCII2EBCDIC[0x57] = (byte) 0xE6;
        ASCII2EBCDIC[0x58] = (byte) 0xE7;
        ASCII2EBCDIC[0x59] = (byte) 0xE8;
        ASCII2EBCDIC[0x5A] = (byte) 0xE9;
        ASCII2EBCDIC[0x5B] = (byte) 0x4A;
        ASCII2EBCDIC[0x5C] = (byte) 0xE0;
        ASCII2EBCDIC[0x5D] = (byte) 0x5A;
        ASCII2EBCDIC[0x5E] = (byte) 0x5F;
        ASCII2EBCDIC[0x5F] = (byte) 0x6D;
        ASCII2EBCDIC[0x60] = (byte) 0x79;
        ASCII2EBCDIC[0x61] = (byte) 0x81;
        ASCII2EBCDIC[0x62] = (byte) 0x82;
        ASCII2EBCDIC[0x63] = (byte) 0x83;
        ASCII2EBCDIC[0x64] = (byte) 0x84;
        ASCII2EBCDIC[0x65] = (byte) 0x85;
        ASCII2EBCDIC[0x66] = (byte) 0x86;
        ASCII2EBCDIC[0x67] = (byte) 0x87;
        ASCII2EBCDIC[0x68] = (byte) 0x88;
        ASCII2EBCDIC[0x69] = (byte) 0x89;
        ASCII2EBCDIC[0x6A] = (byte) 0x91;
        ASCII2EBCDIC[0x6B] = (byte) 0x92;
        ASCII2EBCDIC[0x6C] = (byte) 0x93;
        ASCII2EBCDIC[0x6D] = (byte) 0x94;
        ASCII2EBCDIC[0x6E] = (byte) 0x95;
        ASCII2EBCDIC[0x6F] = (byte) 0x96;
        ASCII2EBCDIC[0x70] = (byte) 0x97;
        ASCII2EBCDIC[0x71] = (byte) 0x98;
        ASCII2EBCDIC[0x72] = (byte) 0x99;
        ASCII2EBCDIC[0x73] = (byte) 0xA2;
        ASCII2EBCDIC[0x74] = (byte) 0xA3;
        ASCII2EBCDIC[0x75] = (byte) 0xA4;
        ASCII2EBCDIC[0x76] = (byte) 0xA5;
        ASCII2EBCDIC[0x77] = (byte) 0xA6;
        ASCII2EBCDIC[0x78] = (byte) 0xA7;
        ASCII2EBCDIC[0x79] = (byte) 0xA8;
        ASCII2EBCDIC[0x7A] = (byte) 0xA9;
        ASCII2EBCDIC[0x7B] = (byte) 0xC0;
        ASCII2EBCDIC[0x7C] = (byte) 0x6A;
        ASCII2EBCDIC[0x7D] = (byte) 0xD0;
        ASCII2EBCDIC[0x7E] = (byte) 0xA1;
        ASCII2EBCDIC[0x7F] = (byte) 0x07;
        ASCII2EBCDIC[0x80] = (byte) 0x20;
        ASCII2EBCDIC[0x81] = (byte) 0x21;
        ASCII2EBCDIC[0x82] = (byte) 0x22;
        ASCII2EBCDIC[0x83] = (byte) 0x23;
        ASCII2EBCDIC[0x84] = (byte) 0x24;
        ASCII2EBCDIC[0x85] = (byte) 0x15;
        ASCII2EBCDIC[0x86] = (byte) 0x06;
        ASCII2EBCDIC[0x87] = (byte) 0x17;
        ASCII2EBCDIC[0x88] = (byte) 0x28;
        ASCII2EBCDIC[0x89] = (byte) 0x29;
        ASCII2EBCDIC[0x8A] = (byte) 0x2A;
        ASCII2EBCDIC[0x8B] = (byte) 0x2B;
        ASCII2EBCDIC[0x8C] = (byte) 0x2C;
        ASCII2EBCDIC[0x8D] = (byte) 0x09;
        ASCII2EBCDIC[0x8E] = (byte) 0x0A;
        ASCII2EBCDIC[0x8F] = (byte) 0x1B;
        ASCII2EBCDIC[0x90] = (byte) 0x30;
        ASCII2EBCDIC[0x91] = (byte) 0x31;
        ASCII2EBCDIC[0x92] = (byte) 0x1A;
        ASCII2EBCDIC[0x93] = (byte) 0x33;
        ASCII2EBCDIC[0x94] = (byte) 0x34;
        ASCII2EBCDIC[0x95] = (byte) 0x35;
        ASCII2EBCDIC[0x96] = (byte) 0x36;
        ASCII2EBCDIC[0x97] = (byte) 0x08;
        ASCII2EBCDIC[0x98] = (byte) 0x38;
        ASCII2EBCDIC[0x99] = (byte) 0x39;
        ASCII2EBCDIC[0x9A] = (byte) 0x3A;
        ASCII2EBCDIC[0x9B] = (byte) 0x3B;
        ASCII2EBCDIC[0x9C] = (byte) 0x04;
        ASCII2EBCDIC[0x9D] = (byte) 0x14;
        ASCII2EBCDIC[0x9E] = (byte) 0x3E;
        ASCII2EBCDIC[0x9F] = (byte) 0xE1;
        ASCII2EBCDIC[0xA0] = (byte) 0x41;
        ASCII2EBCDIC[0xA1] = (byte) 0x42;
        ASCII2EBCDIC[0xA2] = (byte) 0x43;
        ASCII2EBCDIC[0xA3] = (byte) 0x44;
        ASCII2EBCDIC[0xA4] = (byte) 0x45;
        ASCII2EBCDIC[0xA5] = (byte) 0x46;
        ASCII2EBCDIC[0xA6] = (byte) 0x47;
        ASCII2EBCDIC[0xA7] = (byte) 0x48;
        ASCII2EBCDIC[0xA8] = (byte) 0x49;
        ASCII2EBCDIC[0xA9] = (byte) 0x51;
        ASCII2EBCDIC[0xAA] = (byte) 0x52;
        ASCII2EBCDIC[0xAB] = (byte) 0x53;
        ASCII2EBCDIC[0xAC] = (byte) 0x54;
        ASCII2EBCDIC[0xAD] = (byte) 0x55;
        ASCII2EBCDIC[0xAE] = (byte) 0x56;
        ASCII2EBCDIC[0xAF] = (byte) 0x57;
        ASCII2EBCDIC[0xB0] = (byte) 0x58;
        ASCII2EBCDIC[0xB1] = (byte) 0x59;
        ASCII2EBCDIC[0xB2] = (byte) 0x62;
        ASCII2EBCDIC[0xB3] = (byte) 0x63;
        ASCII2EBCDIC[0xB4] = (byte) 0x64;
        ASCII2EBCDIC[0xB5] = (byte) 0x65;
        ASCII2EBCDIC[0xB6] = (byte) 0x66;
        ASCII2EBCDIC[0xB7] = (byte) 0x67;
        ASCII2EBCDIC[0xB8] = (byte) 0x68;
        ASCII2EBCDIC[0xB9] = (byte) 0x69;
        ASCII2EBCDIC[0xBA] = (byte) 0x70;
        ASCII2EBCDIC[0xBB] = (byte) 0x71;
        ASCII2EBCDIC[0xBC] = (byte) 0x72;
        ASCII2EBCDIC[0xBD] = (byte) 0x73;
        ASCII2EBCDIC[0xBE] = (byte) 0x74;
        ASCII2EBCDIC[0xBF] = (byte) 0x75;
        ASCII2EBCDIC[0xC0] = (byte) 0x76;
        ASCII2EBCDIC[0xC1] = (byte) 0x77;
        ASCII2EBCDIC[0xC2] = (byte) 0x78;
        ASCII2EBCDIC[0xC3] = (byte) 0x80;
        ASCII2EBCDIC[0xC4] = (byte) 0x8A;
        ASCII2EBCDIC[0xC5] = (byte) 0x8B;
        ASCII2EBCDIC[0xC6] = (byte) 0x8C;
        ASCII2EBCDIC[0xC7] = (byte) 0x8D;
        ASCII2EBCDIC[0xC8] = (byte) 0x8E;
        ASCII2EBCDIC[0xC9] = (byte) 0x8F;
        ASCII2EBCDIC[0xCA] = (byte) 0x90;
        ASCII2EBCDIC[0xCB] = (byte) 0x9A;
        ASCII2EBCDIC[0xCC] = (byte) 0x9B;
        ASCII2EBCDIC[0xCD] = (byte) 0x9C;
        ASCII2EBCDIC[0xCE] = (byte) 0x9D;
        ASCII2EBCDIC[0xCF] = (byte) 0x9E;
        ASCII2EBCDIC[0xD0] = (byte) 0x9F;
        ASCII2EBCDIC[0xD1] = (byte) 0xA0;
        ASCII2EBCDIC[0xD2] = (byte) 0xAA;
        ASCII2EBCDIC[0xD3] = (byte) 0xAB;
        ASCII2EBCDIC[0xD4] = (byte) 0xAC;
        ASCII2EBCDIC[0xD5] = (byte) 0xAD;
        ASCII2EBCDIC[0xD6] = (byte) 0xAE;
        ASCII2EBCDIC[0xD7] = (byte) 0xAF;
        ASCII2EBCDIC[0xD8] = (byte) 0xB0;
        ASCII2EBCDIC[0xD9] = (byte) 0xB1;
        ASCII2EBCDIC[0xDA] = (byte) 0xB2;
        ASCII2EBCDIC[0xDB] = (byte) 0xB3;
        ASCII2EBCDIC[0xDC] = (byte) 0xB4;
        ASCII2EBCDIC[0xDD] = (byte) 0xB5;
        ASCII2EBCDIC[0xDE] = (byte) 0xB6;
        ASCII2EBCDIC[0xDF] = (byte) 0xB7;
        ASCII2EBCDIC[0xE0] = (byte) 0xB8;
        ASCII2EBCDIC[0xE1] = (byte) 0xB9;
        ASCII2EBCDIC[0xE2] = (byte) 0xBA;
        ASCII2EBCDIC[0xE3] = (byte) 0xBB;
        ASCII2EBCDIC[0xE4] = (byte) 0xBC;
        ASCII2EBCDIC[0xE5] = (byte) 0xBD;
        ASCII2EBCDIC[0xE6] = (byte) 0xBE;
        ASCII2EBCDIC[0xE7] = (byte) 0xBF;
        ASCII2EBCDIC[0xE8] = (byte) 0xCA;
        ASCII2EBCDIC[0xE9] = (byte) 0xCB;
        ASCII2EBCDIC[0xEA] = (byte) 0xCC;
        ASCII2EBCDIC[0xEB] = (byte) 0xCD;
        ASCII2EBCDIC[0xEC] = (byte) 0xCE;
        ASCII2EBCDIC[0xED] = (byte) 0xCF;
        ASCII2EBCDIC[0xEE] = (byte) 0xDA;
        ASCII2EBCDIC[0xEF] = (byte) 0xDB;
        ASCII2EBCDIC[0xF0] = (byte) 0xDC;
        ASCII2EBCDIC[0xF1] = (byte) 0xDD;
        ASCII2EBCDIC[0xF2] = (byte) 0xDE;
        ASCII2EBCDIC[0xF3] = (byte) 0xDF;
        ASCII2EBCDIC[0xF4] = (byte) 0xEA;
        ASCII2EBCDIC[0xF5] = (byte) 0xEB;
        ASCII2EBCDIC[0xF6] = (byte) 0xEC;
        ASCII2EBCDIC[0xF7] = (byte) 0xED;
        ASCII2EBCDIC[0xF8] = (byte) 0xEE;
        ASCII2EBCDIC[0xF9] = (byte) 0xEF;
        ASCII2EBCDIC[0xFA] = (byte) 0xFA;
        ASCII2EBCDIC[0xFB] = (byte) 0xFB;
        ASCII2EBCDIC[0xFC] = (byte) 0xFC;
        ASCII2EBCDIC[0xFD] = (byte) 0xFD;
        ASCII2EBCDIC[0xFE] = (byte) 0xFE;
        ASCII2EBCDIC[0xFF] = (byte) 0xFF;
    }

    private static byte convertByteA2E(byte in) {
        return ASCII2EBCDIC[in & 0xFF];
    }

    public static byte[] convertStringToEBCDIC(byte[] in) {
        if (in != null) {
            byte[] out = new byte[in.length];
            for (int i = 0; i < in.length; ++i) {
                out[i] = convertByteA2E(in[i]);
            }
            return out;
        }
        return null;
    }
    
    public static void main(String[] args) throws Exception {
        byte[] result = convertStringToEBCDIC("baculsoft".getBytes());
        
        System.out.println(new String(result)); // original result
        System.out.println(new String(result, "Cp1047")); // convert into readable string        
    }
}

This is the result on my Netbean’s IDE console.

Weird Error when Connecting Spring’s JavaMailSender to Postfix

I had a weird error today when trying to connect to my server’s postfix mail server. It’s weird because i never had this kind of error when connecting to Google Mail server. This is the error that i see on postfix’s log.

Mar 26 01:50:19 localhost postfix/smtpd[24907]: connect from localhost[127.0.0.1]
Mar 26 01:50:19 localhost postfix/smtpd[24907]: setting up TLS connection from localhost[127.0.0.1]
Mar 26 01:50:19 localhost postfix/smtpd[24907]: SSL_accept error from localhost[127.0.0.1]: 0
Mar 26 01:50:19 localhost postfix/smtpd[24907]: warning: TLS library problem: 24907:error:14094416:SSL routines:SSL3_READ_BYTES:sslv3 alert certificate unknown:s3_pkt.c:1193:SSL alert number 46:
Mar 26 01:50:19 localhost postfix/smtpd[24907]: lost connection after STARTTLS from localhost[127.0.0.1]
Mar 26 01:50:19 localhost postfix/smtpd[24907]: disconnect from localhost[127.0.0.1]

This is my email configuration on Spring’s applicationContext.xml.

<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
	<property name="host" value="localhost"/>
	<property name="port" value="25"/>
	<property name="username" value="admin@whatever.com"></property>
	<property name="password" value="password"></property>
	<property name="javaMailProperties">
		<props>
			<prop key="mail.smtp.auth">true</prop>
			<prop key="mail.smtp.starttls.enable">true</prop>
		</props>
	</property>
</bean>

After googling for a while, i found out that somehow the error happen because of TLS problem. The workaround is actually easy, i disabled the starttls property on bean mailSender.

<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
	<property name="host" value="localhost"/>
	<property name="port" value="25"/>
	<property name="username" value="admin@whatever.com"></property>
	<property name="password" value="password"></property>
	<property name="javaMailProperties">
		<props>
			<prop key="mail.smtp.auth">true</prop>
			<prop key="mail.smtp.starttls.enable">false</prop>
		</props>
	</property>
</bean>

Bagaimana Membuat Autostart Aplikasi Java

Barusan kawan gw, Benni Purwonegoro SKom, sharing tentang masalah yang dia temukan serta bagaimana cara workaround-nya. Inti masalahnya sebenarnya sederhana, kebetulan beliau punya server (Windows Server) yang diinstall aplikasi java (web-based). Namun karena servernya sering restart, aplikasi java-nya juga jadi sering down. Oleh sebab itu dicari cara supaya aplikasi java yang diinstall menjadi aplikasi startup yang autorun otomatis setiap server dinyalakan.

Awalnya gw mengajukan supaya dibuat shortcut dari .bat yang kemudian ditaro dibawah folder startup, workaround lainnya adalah dengan Apache Procrun. Namun workaround dari beliau ternyata lebih simple dan efektif, hanya melakukan sedikit modifikasi regedit.

Berikut adalah petunjuk daari beliau

  1. Buat .bat file yang akan mengeksekusi aplikasi java.
  2. Buat new string value di key HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows\ CurrentVersion\Run
  3. Kemudian masukkan path file .bat yang baru dicreate sebagai value
  4. Langsung tes dan berdoa

Wow gan, workaround ente manjur sekali (H)

[Java] How to Map Properties from HashMap to Java Bean

On this example, im trying to do a simple mapping from java.util.Map to a simple Java Bean, using Apache Common BeanUtils.

First as usual, a simple java bean.

package com.edw.bean;

public class Student {
    public String name;
    public int age;

    public Student() {
    }

    // other setter and getter
}

And this is how i map simple values to Student bean.

package com.edw.main;

import com.edw.bean.Student;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.beanutils.BeanUtils;

public class Main {
    public static void main(String[] args) throws Exception {
        Student student = new Student();
        
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("name", "edwin");
        map.put("age", 22);
        
        BeanUtils.populate(student, map);
        
        System.out.println(student.getName());
        System.out.println(student.getAge());
    }
}

This is the libraries that i used,

Actually, my plan is to create a dynamic bean to bean mapping configured via xml files. And this class is my starting point. (H)