{"id":34822,"date":"2025-11-22T12:31:07","date_gmt":"2025-11-22T09:31:07","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/"},"modified":"2025-11-22T12:31:07","modified_gmt":"2025-11-22T09:31:07","slug":"java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/","title":{"rendered":"Java JOLT K\u00fct\u00fcphanesi ile JSON D\u00f6n\u00fc\u015f\u00fcm\u00fc: Kapsaml\u0131 Rehber"},"content":{"rendered":"<p><body><\/p>\n<p>Modern yaz\u0131l\u0131m d\u00fcnyas\u0131nda, farkl\u0131 sistemler aras\u0131nda veri al\u0131\u015fveri\u015fi \u00e7o\u011funlukla JSON format\u0131nda ger\u00e7ekle\u015fir. Ancak bu entegrasyonlar s\u0131ras\u0131nda, kaynak sistemden gelen JSON yap\u0131s\u0131n\u0131n, hedef sistemin bekledi\u011fi formata birebir uymad\u0131\u011f\u0131n\u0131 fark edersiniz. Peki, karma\u015f\u0131k JSON d\u00f6n\u00fc\u015f\u00fcmlerini h\u0131zl\u0131, esnek ve hatas\u0131z bir \u015fekilde nas\u0131l y\u00f6netebilirsiniz? \u0130\u015fte tam bu noktada, Java tabanl\u0131 g\u00fc\u00e7l\u00fc bir d\u00f6n\u00fc\u015f\u00fcm k\u00fct\u00fcphanesi olan JOLT devreye giriyor. Bu kapsaml\u0131 rehberde, JOLT&#8217;un ne oldu\u011funu, neden bu kadar \u00f6nemli oldu\u011funu ve onu ger\u00e7ek d\u00fcnya senaryolar\u0131nda nas\u0131l kullanabilece\u011finizi ad\u0131m ad\u0131m ke\u015ffedeceksiniz.<\/p>\n<style>\n    \/* Mobil uyumluluk i\u00e7in genel stiller *\/\n    body {\n        font-family: Arial, sans-serif;\n        line-height: 1.6;\n        color: #333;\n        margin: 0 auto;\n        padding: 20px;\n        max-width: 1000px;\n    }\n    h2, h3 {\n        color: #2c3e50;\n        margin-top: 30px;\n        margin-bottom: 15px;\n    }\n    pre {\n        background-color: #f4f4f4;\n        border: 1px solid #ddd;\n        border-left: 5px solid #007bff;\n        padding: 15px;\n        margin: 20px 0;\n        overflow-x: auto;\n        font-size: 0.9em;\n        line-height: 1.4;\n        white-space: pre-wrap; \/* Sat\u0131r sonu ekleme *\/\n        word-break: break-all; \/* Uzun kelimeleri k\u0131rma *\/\n    }\n    code {\n        font-family: \"Courier New\", Courier, monospace;\n    }\n    table {\n        width: 100%;\n        border-collapse: collapse;\n        margin: 20px 0;\n    }\n    th, td {\n        border: 1px solid #ddd;\n        padding: 8px;\n        text-align: left;\n    }\n    th {\n        background-color: #f2f2f2;\n    }\n    ul, ol {\n        margin-left: 20px;\n    }\n    .expert-tip {\n        background-color: #e6f7ff;\n        border-left: 5px solid #007bff;\n        padding: 15px;\n        margin: 20px 0;\n        font-style: italic;\n        color: #0056b3;\n    }<\/p>\n<p>    \/* Mobil uyumluluk i\u00e7in media query \u00f6rnekleri *\/\n    @media (max-width: 768px) {\n        body {\n            padding: 15px;\n        }\n        pre {\n            font-size: 0.8em;\n            padding: 10px;\n        }\n        table, thead, tbody, th, td, tr {\n            display: block;\n        }\n        \/* Tablo ba\u015fl\u0131klar\u0131n\u0131 gizle ve her h\u00fccreden \u00f6nce ba\u015fl\u0131\u011f\u0131 g\u00f6ster *\/\n        thead tr {\n            position: absolute;\n            top: -9999px;\n            left: -9999px;\n        }\n        tr {\n            border: 1px solid #ccc;\n            margin-bottom: 10px;\n        }\n        td {\n            border: none;\n            border-bottom: 1px solid #eee;\n            position: relative;\n            padding-left: 50%;\n            text-align: right;\n        }\n        td:before {\n            position: absolute;\n            top: 6px;\n            left: 6px;\n            width: 45%;\n            padding-right: 10px;\n            white-space: nowrap;\n            text-align: left;\n            font-weight: bold;\n        }\n        \/* Her h\u00fccre i\u00e7in veri ba\u015fl\u0131\u011f\u0131n\u0131 tan\u0131mla *\/\n        td:nth-of-type(1):before { content: \"Operat\u00f6r\"; }\n        td:nth-of-type(2):before { content: \"A\u00e7\u0131klama\"; }\n        td:nth-of-type(3):before { content: \"Kullan\u0131m\"; }\n    }\n    @media (max-width: 480px) {\n        h2 {\n            font-size: 1.5em;\n        }\n        h3 {\n            font-size: 1.2em;\n        }\n        .expert-tip {\n            font-size: 0.9em;\n            padding: 10px;\n        }\n    }\n<\/style>\n<p>G\u00fcn\u00fcm\u00fcz\u00fcn mikroservis mimarileri ve zengin API ekosistemleri, farkl\u0131 veri yap\u0131lar\u0131yla \u00e7al\u0131\u015fmay\u0131 adeta bir rutin haline getirmi\u015ftir. Bir API&#8217;den ald\u0131\u011f\u0131n\u0131z verinin format\u0131, ba\u015fka bir API&#8217;ye g\u00f6ndermeniz gereken formatla \u00e7o\u011fu zaman uyu\u015fmaz. Bu durumda, veri d\u00f6n\u00fc\u015ft\u00fcrme (data transformation) operasyonlar\u0131 ka\u00e7\u0131n\u0131lmaz hale gelir. Geleneksel yakla\u015f\u0131mlarla, bu d\u00f6n\u00fc\u015f\u00fcmleri Java kodu i\u00e7inde elle yazmak olduk\u00e7a zahmetli, hata yapmaya a\u00e7\u0131k ve y\u00f6netimi zor bir s\u00fcre\u00e7tir. \u00d6rne\u011fin, i\u00e7 i\u00e7e ge\u00e7mi\u015f JSON objelerindeki alan adlar\u0131n\u0131 de\u011fi\u015ftirmek, baz\u0131 alanlar\u0131 filtrelemek veya eksik alanlara varsay\u0131lan de\u011ferler atamak gibi i\u015flemler, zamanla b\u00fcy\u00fcyen ve karma\u015f\u0131kla\u015fan bir kod y\u0131\u011f\u0131n\u0131na d\u00f6n\u00fc\u015febilir. \u0130\u015fte tam bu noktada, Java tabanl\u0131 bir JSON d\u00f6n\u00fc\u015f\u00fcm k\u00fct\u00fcphanesi olan JOLT (JSON Object Transformation Language) imdad\u0131m\u0131za yeti\u015fiyor.<\/p>\n<p>JOLT, JSON&#8217;dan JSON&#8217;a d\u00f6n\u00fc\u015f\u00fcmleri deklaratif bir &#8220;spesifikasyon&#8221; (spec) dosyas\u0131 kullanarak yapmam\u0131z\u0131 sa\u011flayan g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r. Yani, d\u00f6n\u00fc\u015f\u00fcm\u00fcn <em>nas\u0131l<\/em> yap\u0131laca\u011f\u0131n\u0131 ad\u0131m ad\u0131m kodlamak yerine, <em>neye<\/em> d\u00f6n\u00fc\u015fece\u011fini tan\u0131mlayan bir JSON yap\u0131s\u0131 olu\u015fturursunuz. Bu yakla\u015f\u0131m, d\u00f6n\u00fc\u015f\u00fcm mant\u0131\u011f\u0131n\u0131 uygulama kodundan ay\u0131rarak daha temiz, daha okunabilir ve bak\u0131m\u0131 daha kolay bir \u00e7\u00f6z\u00fcm sunar. \u00d6zellikle karma\u015f\u0131k ve s\u0131k de\u011fi\u015fen JSON yap\u0131lar\u0131nda, JOLT&#8217;un sundu\u011fu esneklik ve kontrol paha bi\u00e7ilmezdir. Bir d\u00fc\u015f\u00fcn\u00fcn, yeni bir alan ad\u0131 de\u011fi\u015fikli\u011fi geldi\u011finde t\u00fcm Java kodunu tekrar derleyip da\u011f\u0131tmak yerine, sadece bir JSON spec dosyas\u0131n\u0131 g\u00fcncelleyip an\u0131nda yeni d\u00f6n\u00fc\u015f\u00fcm\u00fc uygulayabiliyorsunuz. Bu, geli\u015ftirme s\u00fcre\u00e7lerini h\u0131zland\u0131rman\u0131n yan\u0131 s\u0131ra, operasyonel y\u00fck\u00fc de \u00f6nemli \u00f6l\u00e7\u00fcde azalt\u0131r.<\/p>\n<p>JOLT&#8217;un temel felsefesi, farkl\u0131 operat\u00f6rler (Shift, Default, Remove, Cardinality, Sort vb.) arac\u0131l\u0131\u011f\u0131yla giri\u015f JSON&#8217;unu bir &#8220;spesifikasyon&#8221; do\u011frultusunda manip\u00fcle etmektir. Bu spesifikasyon da asl\u0131nda bir JSON objesidir ve i\u00e7erisinde kaynak JSON&#8217;daki alanlar\u0131n hedef JSON&#8217;daki hangi konuma gidece\u011fini, hangi alanlar\u0131n varsay\u0131lan de\u011fer alaca\u011f\u0131n\u0131 veya hangi alanlar\u0131n kald\u0131r\u0131laca\u011f\u0131n\u0131 tan\u0131mlar. JOLT, \u00f6zellikle b\u00fcy\u00fck \u00f6l\u00e7ekli ve y\u00fcksek performans gerektiren API ge\u00e7itleri (API Gateways), veri entegrasyon katmanlar\u0131 veya i\u015f mant\u0131\u011f\u0131 katmanlar\u0131nda veri e\u015fleme (data mapping) ihtiya\u00e7lar\u0131 i\u00e7in ideal bir \u00e7\u00f6z\u00fcmd\u00fcr. JSONPath gibi ara\u00e7lar sadece veri se\u00e7imi yapabilirken, JOLT veriyi d\u00f6n\u00fc\u015ft\u00fcrme ve yeniden yap\u0131land\u0131rma konusunda \u00e7ok daha kapsaml\u0131 yetenekler sunar. Dolay\u0131s\u0131yla, JOLT sadece bir k\u00fct\u00fcphane de\u011fil, ayn\u0131 zamanda veri d\u00f6n\u00fc\u015f\u00fcm\u00fc zorluklar\u0131n\u0131 a\u015fmak i\u00e7in g\u00fc\u00e7l\u00fc bir stratejidir.<\/p>\n<h2>JOLT ile \u0130lk Ad\u0131mlar: Basit Bir Shift D\u00f6n\u00fc\u015f\u00fcm\u00fc Nas\u0131l Yap\u0131l\u0131r?<\/h2>\n<p>JOLT kullanmaya ba\u015flamak olduk\u00e7a basittir. \u0130lk olarak, projenize JOLT ba\u011f\u0131ml\u0131l\u0131\u011f\u0131n\u0131 eklemeniz gerekir. E\u011fer Maven kullan\u0131yorsan\u0131z, <code>pom.xml<\/code> dosyan\u0131za a\u015fa\u011f\u0131daki ba\u011f\u0131ml\u0131l\u0131\u011f\u0131 ekleyebilirsiniz:<\/p>\n<pre><code class=\"language-xml\">\n    <dependency>\n        <groupId>com.bazaarvoice.jolt<\/groupId>\n        <artifactId>jolt-core<\/artifactId>\n        <version>0.1.6<\/version>\n    <\/dependency>\n    <dependency>\n        <groupId>com.bazaarvoice.jolt<\/groupId>\n        <artifactId>jsonutils<\/artifactId>\n        <version>0.1.6<\/version>\n    <\/dependency>\n<\/pre>\n<p><\/code><\/p>\n<p>Gradle kullan\u0131yorsan\u0131z, <code>build.gradle<\/code> dosyan\u0131za a\u015fa\u011f\u0131daki sat\u0131rlar\u0131 ekleyin:<\/p>\n<pre><code class=\"language-gradle\">\n    implementation 'com.bazaarvoice.jolt:jolt-core:0.1.6'\n    implementation 'com.bazaarvoice.jolt:jsonutils:0.1.6'\n<\/pre>\n<p><\/code><\/p>\n<p>Ba\u011f\u0131ml\u0131l\u0131klar\u0131 ekledikten sonra, temel bir JOLT d\u00f6n\u00fc\u015f\u00fcm\u00fcn\u00fc ger\u00e7ekle\u015ftirmek i\u00e7in iki ana JSON objesine ihtiyac\u0131m\u0131z var: giri\u015f (input) JSON'u ve d\u00f6n\u00fc\u015f\u00fcm spesifikasyonu (spec) JSON'u. JOLT'un en temel ve en s\u0131k kullan\u0131lan operat\u00f6r\u00fc <code>Shift<\/code> operat\u00f6r\u00fcd\u00fcr. <code>Shift<\/code>, giri\u015f JSON'undaki veriyi al\u0131p, spec dosyas\u0131nda tan\u0131mlanan yola g\u00f6re \u00e7\u0131k\u0131\u015f JSON'una ta\u015f\u0131r. Bu, yeniden yap\u0131land\u0131rma ve alan e\u015fleme i\u00e7in anahtar operat\u00f6rd\u00fcr.<\/p>\n<h3>Basit Bir Shift D\u00f6n\u00fc\u015f\u00fcm\u00fc \u00d6rne\u011fi<\/h3>\n<p>Diyelim ki, bir kullan\u0131c\u0131 verisi i\u00e7eren a\u015fa\u011f\u0131daki giri\u015f JSON'umuz var:<\/p>\n<pre><code class=\"language-json\">\n    {\n      \"id\": \"12345\",\n      \"firstName\": \"Ay\u015fe\",\n      \"lastName\": \"Y\u0131lmaz\",\n      \"contactInfo\": {\n        \"email\": \"ayse.yilmaz@example.com\",\n        \"phone\": \"555-123-4567\"\n      },\n      \"isActiveUser\": true\n    }\n<\/pre>\n<p><\/code><\/p>\n<p>Bu veriyi, hedef sistemin bekledi\u011fi daha basit bir yap\u0131ya d\u00f6n\u00fc\u015ft\u00fcrmek istiyoruz. Hedef yap\u0131da \"kullaniciId\", \"ad\", \"soyad\" ve \"eposta\" alanlar\u0131 olmas\u0131n\u0131 ve \"contactInfo\" objesinden \"eposta\"n\u0131n do\u011frudan \"eposta\" alan\u0131na ta\u015f\u0131nmas\u0131n\u0131 istiyoruz. \u0130\u015fte bu d\u00f6n\u00fc\u015f\u00fcm\u00fc yapacak JOLT spec'imiz:<\/p>\n<pre><code class=\"language-json\">\n    [\n      {\n        \"operation\": \"shift\",\n        \"spec\": {\n          \"id\": \"kullaniciId\",\n          \"firstName\": \"ad\",\n          \"lastName\": \"soyad\",\n          \"contactInfo\": {\n            \"email\": \"eposta\"\n          }\n        }\n      }\n    ]\n<\/pre>\n<p><\/code><\/p>\n<p>\u015eimdi bu d\u00f6n\u00fc\u015f\u00fcm\u00fc Java kodu ile nas\u0131l uygulayaca\u011f\u0131m\u0131za bakal\u0131m:<\/p>\n<pre><code class=\"language-java\">\n    import com.bazaarvoice.jolt.Chainr;\n    import com.bazaarvoice.jolt.JsonUtils;\n\n    import java.io.IOException;\n    import java.util.List;\n    import java.util.Map;\n\n    public class JoltBasicShiftExample {\n        public static void main(String[] args) throws IOException {\n            \/\/ 1. Giri\u015f JSON'unu y\u00fckle\n            String inputJsonString = \"{\" +\n                \"  \\\"id\\\": \\\"12345\\\",\" +\n                \"  \\\"firstName\\\": \\\"Ay\u015fe\\\",\" +\n                \"  \\\"lastName\\\": \\\"Y\u0131lmaz\\\",\" +\n                \"  \\\"contactInfo\\\": {\" +\n                \"    \\\"email\\\": \\\"ayse.yilmaz@example.com\\\",\" +\n                \"    \\\"phone\\\": \\\"555-123-4567\\\"\" +\n                \"  },\" +\n                \"  \\\"isActiveUser\\\": true\" +\n                \"}\";\n            Map<String, Object> input = JsonUtils.jsonToMap(inputJsonString);\n\n            \/\/ 2. JOLT Spec'i y\u00fckle\n            String specJsonString = \"[\" +\n                \"  {\" +\n                \"    \\\"operation\\\": \\\"shift\\\",\" +\n                \"    \\\"spec\\\": {\" +\n                \"      \\\"id\\\": \\\"kullaniciId\\\",\" +\n                \"      \\\"firstName\\\": \\\"ad\\\",\" +\n                \"      \\\"lastName\\\": \\\"soyad\\\",\" +\n                \"      \\\"contactInfo\\\": {\" +\n                \"        \\\"email\\\": \\\"eposta\\\"\" +\n                \"      }\" +\n                \"    }\" +\n                \"  }\" +\n                \"]\";\n            List<Object> spec = JsonUtils.jsonToList(specJsonString);\n\n            \/\/ 3. Chainr nesnesi olu\u015ftur ve d\u00f6n\u00fc\u015f\u00fcm\u00fc uygula\n            Chainr chainr = Chainr.fromSpec(spec);\n            Object transformedOutput = chainr.transform(input);\n\n            \/\/ 4. \u00c7\u0131kt\u0131y\u0131 yazd\u0131r\n            System.out.println(\"Giri\u015f JSON:\\n\" + JsonUtils.toJsonString(input));\n            System.out.println(\"\\nJOLT Spec:\\n\" + JsonUtils.toJsonString(spec));\n            System.out.println(\"\\n\u00c7\u0131k\u0131\u015f JSON:\\n\" + JsonUtils.toJsonString(transformedOutput));\n        }\n    }\n<\/pre>\n<p><\/code><\/p>\n<p>Bu kod \u00e7al\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, a\u015fa\u011f\u0131daki \u00e7\u0131kt\u0131y\u0131 alacaks\u0131n\u0131z:<\/p>\n<pre><code class=\"language-json\">\n    {\n      \"kullaniciId\": \"12345\",\n      \"ad\": \"Ay\u015fe\",\n      \"soyad\": \"Y\u0131lmaz\",\n      \"eposta\": \"ayse.yilmaz@example.com\"\n    }\n<\/pre>\n<p><\/code><\/p>\n<p>G\u00f6rd\u00fc\u011f\u00fcn\u00fcz gibi, JOLT, tan\u0131mlad\u0131\u011f\u0131n\u0131z spesifikasyona g\u00f6re giri\u015f JSON'unu ba\u015far\u0131yla d\u00f6n\u00fc\u015ft\u00fcrd\u00fc. Bu basit \u00f6rnek, JOLT'un temel g\u00fcc\u00fcn\u00fc ve kullan\u0131m kolayl\u0131\u011f\u0131n\u0131 sergilemektedir. \u015eimdi daha karma\u015f\u0131k senaryolar i\u00e7in <code>Shiftr<\/code> operat\u00f6r\u00fcn\u00fcn derinliklerine inelim.<\/p>\n<h3>Shiftr Operat\u00f6r\u00fcn\u00fcn G\u00fcc\u00fc: Derinlemesine Bak\u0131\u015f<\/h3>\n<p><code>Shiftr<\/code>, JOLT'un en g\u00fc\u00e7l\u00fc ve esnek operat\u00f6r\u00fcd\u00fcr. \u0130\u00e7 i\u00e7e ge\u00e7mi\u015f yap\u0131lar, diziler ve dinamik alan adlar\u0131 ile \u00e7al\u0131\u015fmak i\u00e7in \u00e7e\u015fitli \u00f6zel karakterler ve desenler sunar. Bunlar aras\u0131nda wildcard (<code>*<\/code>), current-value referans\u0131 (<code>@<\/code>), parent-value referans\u0131 (<code>$<\/code>) ve dizin operat\u00f6rleri (<code>[]<\/code>) bulunur.<\/p>\n<h4>Vaka Analizi: Farkl\u0131 API'lerden Gelen Kullan\u0131c\u0131 Verilerini Birle\u015ftirmek<\/h4>\n<p>Hayal edin ki, \u015firketinizde iki farkl\u0131 kullan\u0131c\u0131 y\u00f6netim sistemi var ve her ikisi de hafif farkl\u0131 JSON formatlar\u0131nda kullan\u0131c\u0131 verisi sa\u011fl\u0131yor. Bizim hedefimiz, bu iki kaynaktan gelen veriyi standart bir dahili kullan\u0131c\u0131 profili format\u0131na d\u00f6n\u00fc\u015ft\u00fcrmek ve birle\u015ftirmek. \u0130lk sistemden gelen veri \u015f\u00f6yle:<\/p>\n<pre><code class=\"language-json\">\n    {\n      \"userId\": \"U001\",\n      \"personalDetails\": {\n        \"fName\": \"Can\",\n        \"lName\": \"Demir\"\n      },\n      \"contact\": [\n        {\"type\": \"email\", \"value\": \"can.demir@example.com\"},\n        {\"type\": \"phone\", \"value\": \"555-987-6543\"}\n      ],\n      \"roles\": [\"admin\", \"developer\"]\n    }\n<\/pre>\n<p><\/code><\/p>\n<p>Hedef format\u0131m\u0131z ise \u015f\u00f6yle olmal\u0131:<\/p>\n<pre><code class=\"language-json\">\n    {\n      \"id\": \"U001\",\n      \"isim\": \"Can\",\n      \"soyisim\": \"Demir\",\n      \"iletisim\": {\n        \"eposta\": \"can.demir@example.com\",\n        \"telefon\": \"555-987-6543\"\n      },\n      \"yetkiler\": [\"admin\", \"developer\"]\n    }\n<\/pre>\n<p><\/code><\/p>\n<p>Burada yap\u0131lmas\u0131 gerekenler:<\/p>\n<ol>\n<li><code>userId<\/code> alan\u0131n\u0131 <code>id<\/code> olarak yeniden adland\u0131rmak.<\/li>\n<li><code>personalDetails.fName<\/code> ve <code>personalDetails.lName<\/code> alanlar\u0131n\u0131 <code>isim<\/code> ve <code>soyisim<\/code> olarak objenin d\u0131\u015f\u0131na \u00e7\u0131karmak.<\/li>\n<li><code>contact<\/code> dizisindeki elemanlar\u0131 t\u00fcrlerine g\u00f6re <code>iletisim<\/code> objesi alt\u0131na <code>eposta<\/code> ve <code>telefon<\/code> olarak ta\u015f\u0131mak.<\/li>\n<li><code>roles<\/code> alan\u0131n\u0131 <code>yetkiler<\/code> olarak yeniden adland\u0131rmak.<\/li>\n<\/ol>\n<p>\u0130\u015fte bu d\u00f6n\u00fc\u015f\u00fcm\u00fc sa\u011flayacak JOLT spec'i:<\/p>\n<pre><code class=\"language-json\">\n    [\n      {\n        \"operation\": \"shift\",\n        \"spec\": {\n          \"userId\": \"id\",\n          \"personalDetails\": {\n            \"fName\": \"isim\",\n            \"lName\": \"soyisim\"\n          },\n          \"contact\": {\n            \/\/ contact dizisinin her bir eleman\u0131n\u0131 d\u00f6neriz\n            \"*\": {\n              \/\/ type alan\u0131ndaki de\u011fere g\u00f6re ta\u015f\u0131ma yap\n              \"type\": {\n                \"email\": \"iletisim.eposta\",\n                \"phone\": \"iletisim.telefon\"\n              },\n              \/\/ value alan\u0131n\u0131 type alan\u0131n\u0131n belirledi\u011fi yola ta\u015f\u0131\n              \"value\": {\n                \/\/ @(1,type) ifadesi, bir parent seviye yukar\u0131daki 'type' alan\u0131n\u0131n de\u011ferini al\u0131r.\n                \/\/ Bu sayede \"email\" ise \"iletisim.eposta\" yoluna, \"phone\" ise \"iletisim.telefon\" yoluna ta\u015f\u0131n\u0131r.\n                \"@\": \"iletisim.@(1,type)\"\n              }\n            }\n          },\n          \"roles\": \"yetkiler\"\n        }\n      }\n    ]\n<\/pre>\n<p><\/code><\/p>\n<p>Bu spec'te <code>contact<\/code> dizisi i\u00e7indeki karma\u015f\u0131k d\u00f6n\u00fc\u015f\u00fcm, JOLT'un g\u00fcc\u00fcn\u00fc g\u00f6steriyor. <code>\"*\"<\/code> wildcard'\u0131 dizinin her eleman\u0131 \u00fczerinde i\u015flem yapmay\u0131 sa\u011flar. <code>\"@\": \"iletisim.@(1,type)\"<\/code> ifadesi ise, mevcut de\u011ferin (<code>@<\/code>), bir \u00fcst seviyedeki (<code>(1,...)<\/code>) <code>type<\/code> alan\u0131n\u0131n de\u011feriyle (<code>type<\/code>) belirtilen yola ta\u015f\u0131naca\u011f\u0131n\u0131 s\u00f6yler. Bu dinamik e\u015fleme, \u00e7ok g\u00fc\u00e7l\u00fc ve esnek d\u00f6n\u00fc\u015f\u00fcmlere olanak tan\u0131r.<\/p>\n<div class=\"expert-tip\">Uzman \u0130pucu: Wildcard (<code>*<\/code>) operat\u00f6r\u00fcn\u00fc kullanarak dizi i\u00e7indeki t\u00fcm elemanlar \u00fczerinde veya obje i\u00e7indeki t\u00fcm anahtarlar \u00fczerinde i\u015flem yapabilirsiniz. <code>@<\/code>, mevcut node'un de\u011ferini, <code>$<\/code> ise mevcut node'un anahtar\u0131n\u0131 ifade eder. <code>@(1,keyName)<\/code> veya <code>$(1,keyName)<\/code> gibi ifadelerle \u00fcst seviyedeki anahtarlara veya de\u011ferlere de eri\u015febilirsiniz. Bu, karma\u015f\u0131k ve dinamik d\u00f6n\u00fc\u015f\u00fcmlerde size b\u00fcy\u00fck esneklik sa\u011flar.<\/div>\n<h2>Veri Zenginle\u015ftirme ve Temizleme: Defaultr, Remover ve Cardinality Operat\u00f6rleri Nas\u0131l Kullan\u0131l\u0131r?<\/h2>\n<p>JOLT sadece veri ta\u015f\u0131makla kalmaz, ayn\u0131 zamanda veriyi zenginle\u015ftirmek ve temizlemek i\u00e7in de g\u00fc\u00e7l\u00fc operat\u00f6rler sunar. Bu operat\u00f6rler, \u00f6zellikle API entegrasyonlar\u0131nda gelen verinin kalitesini art\u0131rmak veya hedef sistemin bekledi\u011fi spesifikasyonlara uygun hale getirmek i\u00e7in vazge\u00e7ilmezdir.<\/p>\n<h3>Defaultr Operat\u00f6r\u00fc: Eksik Alanlara Varsay\u0131lan De\u011ferler Atama<\/h3>\n<p>Bir\u00e7ok durumda, gelen JSON verisinde baz\u0131 alanlar eksik olabilir. Ancak hedef sistem bu alanlar\u0131n var olmas\u0131n\u0131 veya belirli bir varsay\u0131lan de\u011fere sahip olmas\u0131n\u0131 bekleyebilir. <code>Defaultr<\/code> operat\u00f6r\u00fc, sadece bir alan eksikse, o alana bir varsay\u0131lan de\u011fer atar. E\u011fer alan zaten mevcutsa, mevcut de\u011feri korur.<\/p>\n<p>\u00d6rnek senaryo: Bir \u00fcr\u00fcn listesi al\u0131yorsunuz. Her \u00fcr\u00fcn\u00fcn bir \"stokDurumu\" alan\u0131 olmal\u0131. E\u011fer bu alan yoksa, varsay\u0131lan olarak \"Bilinmiyor\" olarak ayarlanmal\u0131 ve \"indirimOrani\" alan\u0131 yoksa \"0\" olarak ayarlanmal\u0131. Ayr\u0131ca, bir \u00fcr\u00fcn\u00fcn \"ozellikler\" listesi eksikse, bo\u015f bir liste atanmal\u0131.<\/p>\n<pre><code class=\"language-json\">\n    \/\/ Giri\u015f JSON\n    {\n      \"urunler\": [\n        {\n          \"urunId\": \"P001\",\n          \"adi\": \"Ak\u0131ll\u0131 Telefon\",\n          \"fiyat\": 7500,\n          \"indirimOrani\": 0.1\n        },\n        {\n          \"urunId\": \"P002\",\n          \"adi\": \"Kablosuz Kulakl\u0131k\",\n          \"stokDurumu\": \"T\u00fckendi\"\n        },\n        {\n          \"urunId\": \"P003\",\n          \"adi\": \"Ak\u0131ll\u0131 Saat\",\n          \"fiyat\": 3000,\n          \"ozellikler\": [\"Su Ge\u00e7irmez\", \"Nab\u0131z \u00d6l\u00e7er\"]\n        }\n      ]\n    }\n<\/pre>\n<p><\/code><\/p>\n<pre><code class=\"language-json\"><\/pre>\n<p><\/code><br \/>\n    \/\/ Defaultr Spec<br \/>\n    [<br \/>\n      {<br \/>\n        \"operation\": \"default\",<br \/>\n        \"spec\": {<br \/>\n          \"urunler\": {<br \/>\n            \"*\": {<br \/>\n              \"stokDurumu\": \"Mevcut\", \/\/ E\u011fer yoksa \"Mevcut\" olsun<br \/>\n              \"indirimOrani\": 0,    \/\/ E\u011fer yoksa 0 olsun<br \/>\n              \"ozellikler\": []      \/\/ E\u011fer yoksa bo\u015f liste olsun<br \/>\n            }<br \/>\n          }<br \/>\n        }<br \/>\n      }<br \/>\n    ]<br \/>\n<\/code><\/p>\n<p>Bu spec uyguland\u0131\u011f\u0131nda, <code>P001<\/code> ve <code>P003<\/code> i\u00e7in <code>stokDurumu<\/code> \"Mevcut\", <code>P002<\/code> i\u00e7in <code>indirimOrani<\/code> 0 ve <code>P001<\/code> ve <code>P002<\/code> i\u00e7in <code>ozellikler<\/code> bo\u015f bir dizi olarak eklenecektir. <code>P002<\/code>'nin <code>stokDurumu<\/code> zaten \"T\u00fckendi\" oldu\u011fu i\u00e7in de\u011fi\u015fmeyecektir.<\/p>\n<h3>Remover Operat\u00f6r\u00fc: \u0130stenmeyen Alanlar\u0131 Kald\u0131rma<\/h3>\n<p>Gelen JSON verisinde, hedef sistem i\u00e7in gereksiz veya hassas olabilecek alanlar bulunabilir. <code>Remover<\/code> operat\u00f6r\u00fc, bu alanlar\u0131 \u00e7\u0131k\u0131\u015f JSON'undan tamamen kald\u0131rmak i\u00e7in kullan\u0131l\u0131r. Bu, veriyi temizler ve gereksiz y\u00fck\u00fc azalt\u0131r.<\/p>\n<p>\u00d6rnek senaryo: Bir kullan\u0131c\u0131n\u0131n profil verilerini g\u00f6r\u00fcnt\u00fclerken, dahili sistemlerden gelen \"parolaHash\" veya \"sonGirisIP\" gibi alanlar\u0131n son kullan\u0131c\u0131ya g\u00f6sterilmemesi gerekiyor.<\/p>\n<pre><code class=\"language-json\">\n    \/\/ Giri\u015f JSON\n    {\n      \"kullaniciId\": \"U001\",\n      \"ad\": \"Deniz\",\n      \"soyad\": \"Kaya\",\n      \"eposta\": \"deniz.kaya@example.com\",\n      \"parolaHash\": \"abc123xyz\",\n      \"sonGirisIP\": \"192.168.1.10\",\n      \"kayitTarihi\": \"2023-01-15\"\n    }\n<\/pre>\n<p><\/code><\/p>\n<pre><code class=\"language-json\"><\/pre>\n<p><\/code><br \/>\n    \/\/ Remover Spec<br \/>\n    [<br \/>\n      {<br \/>\n        \"operation\": \"remove\",<br \/>\n        \"spec\": {<br \/>\n          \"parolaHash\": \"\",<br \/>\n          \"sonGirisIP\": \"\"<br \/>\n        }<br \/>\n      }<br \/>\n    ]<br \/>\n<\/code><\/p>\n<p><code>\"\"<\/code> bo\u015f de\u011feri, alan\u0131n tamamen kald\u0131r\u0131laca\u011f\u0131n\u0131 belirtir. Bu spec uyguland\u0131\u011f\u0131nda, \u00e7\u0131kt\u0131 JSON'unda \"parolaHash\" ve \"sonGirisIP\" alanlar\u0131 yer almayacakt\u0131r.<\/p>\n<h3>Cardinality Operat\u00f6r\u00fc: Alanlar\u0131n Tekil\/Dizi Olmas\u0131n\u0131 Sa\u011flama<\/h3>\n<p>Bazen bir alan\u0131n de\u011feri tek bir eleman (\u00f6rne\u011fin bir string) olabilecekken, bazen de bir dizi (string listesi) olabilir. Hedef sistemin belirli bir format beklentisi varsa, <code>Cardinality<\/code> operat\u00f6r\u00fc bu durumu d\u00fczeltmek i\u00e7in kullan\u0131l\u0131r. Bir alan\u0131 her zaman bir diziye d\u00f6n\u00fc\u015ft\u00fcrebilir (tekil de\u011ferse onu tek elemanl\u0131 bir dizi yapar) veya her zaman tek bir de\u011fere d\u00f6n\u00fc\u015ft\u00fcrebilir (diziyse ilk eleman\u0131n\u0131 al\u0131r).<\/p>\n<p>\u00d6rnek senaryo: Bir mesajla\u015fma uygulamas\u0131ndan gelen bildirimler bazen tek bir \"etiket\" i\u00e7erirken, bazen birden fazla \"etiket\" i\u00e7eriyor. Hedef sistem ise her zaman bir \"etiketler\" dizisi bekliyor.<\/p>\n<pre><code class=\"language-json\">\n    \/\/ Giri\u015f JSON (Farkl\u0131 senaryolar)\n    {\n      \"mesaj1\": {\n        \"id\": \"M001\",\n        \"icerik\": \"Toplant\u0131 hat\u0131rlat\u0131c\u0131s\u0131\",\n        \"etiket\": \"\u00f6nemli\"\n      },\n      \"mesaj2\": {\n        \"id\": \"M002\",\n        \"icerik\": \"Yeni g\u00f6rev\",\n        \"etiket\": [\"acil\", \"i\u015f\"]\n      },\n      \"mesaj3\": {\n        \"id\": \"M003\",\n        \"icerik\": \"Genel duyuru\"\n      }\n    }\n<\/pre>\n<p><\/code><\/p>\n<pre><code class=\"language-json\"><\/pre>\n<p><\/code><br \/>\n    \/\/ Cardinality Spec<br \/>\n    [<br \/>\n      {<br \/>\n        \"operation\": \"cardinality\",<br \/>\n        \"spec\": {<br \/>\n          \"mesaj*\": {<br \/>\n            \"etiket\": \"MANY\" \/\/ Etiket alan\u0131n\u0131 her zaman bir dizi (MANY) yap<br \/>\n          }<br \/>\n        }<br \/>\n      }<br \/>\n    ]<br \/>\n<\/code><\/p>\n<p>Burada <code>\"etiket\": \"MANY\"<\/code> ifadesi, \"etiket\" alan\u0131n\u0131n de\u011ferini her zaman bir diziye d\u00f6n\u00fc\u015ft\u00fcrecektir. E\u011fer de\u011fer zaten bir diziyse oldu\u011fu gibi kal\u0131r, tekil bir de\u011ferse tek elemanl\u0131 bir diziye d\u00f6n\u00fc\u015f\u00fcr. E\u011fer alan yoksa (mesaj3 \u00f6rne\u011finde oldu\u011fu gibi), <code>Cardinality<\/code> tek ba\u015f\u0131na bir \u015fey yapmaz; bu durumda <code>Defaultr<\/code> ile birlikte kullanmak gerekebilir.<\/p>\n<p>Bu \u00fc\u00e7 operat\u00f6r (Defaultr, Remover, Cardinality), verilerinizin kalitesini ve tutarl\u0131l\u0131\u011f\u0131n\u0131 sa\u011flamak i\u00e7in JOLT ile birlikte kullanabilece\u011finiz temel ara\u00e7lard\u0131r. Genellikle, bu operat\u00f6rler <code>Shift<\/code> operat\u00f6r\u00fcyle zincirleme bir \u015fekilde kullan\u0131l\u0131r.<\/p>\n<h2>JOLT D\u00f6n\u00fc\u015f\u00fcmlerini Zincirleme ve Performans\u0131 Optimize Etme: \u0130leri D\u00fczey Teknikler Nelerdir?<\/h2>\n<p>Ger\u00e7ek d\u00fcnya uygulamalar\u0131nda, tek bir JOLT operat\u00f6r\u00fc genellikle yeterli olmaz. Bir d\u00f6n\u00fc\u015f\u00fcm\u00fcn birden fazla a\u015famadan ge\u00e7mesi gerekebilir: \u00f6nce veriyi yeniden yap\u0131land\u0131rmak, sonra baz\u0131 alanlara varsay\u0131lan de\u011ferler atamak, ard\u0131ndan gereksiz alanlar\u0131 kald\u0131rmak gibi. JOLT, bu t\u00fcr \u00e7ok ad\u0131ml\u0131 d\u00f6n\u00fc\u015f\u00fcmleri y\u00f6netmek i\u00e7in <code>Chainr<\/code> s\u0131n\u0131f\u0131n\u0131 ve zincirleme (chaining) kavram\u0131n\u0131 sunar.<\/p>\n<h3>Chainr ile D\u00f6n\u00fc\u015f\u00fcmleri Zincirleme<\/h3>\n<p><code>Chainr<\/code>, birden fazla JOLT spesifikasyonunu s\u0131ral\u0131 bir \u015fekilde uygulaman\u0131z\u0131 sa\u011flayan bir JOLT bile\u015fenidir. Her bir spesifikasyonun \u00e7\u0131kt\u0131s\u0131, bir sonraki spesifikasyonun girdisi olur. Bu sayede karma\u015f\u0131k d\u00f6n\u00fc\u015f\u00fcm mant\u0131\u011f\u0131n\u0131 daha k\u00fc\u00e7\u00fck, daha y\u00f6netilebilir ve yeniden kullan\u0131labilir ad\u0131mlara b\u00f6lebilirsiniz.<\/p>\n<p>\u00d6rnek senaryo: Bir e-ticaret uygulamas\u0131nda, gelen sepet verilerini i\u015flemek istiyoruz. Bu veriler hem yeniden yap\u0131land\u0131r\u0131lmal\u0131, hem eksik alanlar tamamlanmal\u0131 hem de baz\u0131 hassas bilgiler kald\u0131r\u0131lmal\u0131.<\/p>\n<pre><code class=\"language-json\">\n    \/\/ Giri\u015f Sepet JSON\n    {\n      \"sepetId\": \"S001\",\n      \"musteriId\": \"C001\",\n      \"urunler\": [\n        {\n          \"urunKodu\": \"P101\",\n          \"adet\": 2,\n          \"birimFiyat\": 150.0,\n          \"kampanyaKodu\": \"YAZ2024\",\n          \"dahiliOzellik\": \"A1B2C3\"\n        },\n        {\n          \"urunKodu\": \"P102\",\n          \"adet\": 1,\n          \"birimFiyat\": 500.0\n        }\n      ],\n      \"odemeBilgisi\": {\n        \"kartNumarasi\": \"XXXX-XXXX-XXXX-1234\",\n        \"tip\": \"Kredi Kart\u0131\"\n      }\n    }\n<\/pre>\n<p><\/code><\/p>\n<p>Hedef format\u0131m\u0131z ise \u015f\u00f6yle olsun:<\/p>\n<ul>\n<li><code>sepetId<\/code> -> <code>sepetID<\/code><\/li>\n<li><code>musteriId<\/code> -> <code>musteriID<\/code><\/li>\n<li><code>urunler<\/code> dizisindeki her \u00fcr\u00fcn i\u00e7in:\n<ul>\n<li><code>urunKodu<\/code> -> <code>urunKodu<\/code> (ayn\u0131)<\/li>\n<li><code>adet<\/code> -> <code>adet<\/code> (ayn\u0131)<\/li>\n<li><code>birimFiyat<\/code> -> <code>fiyat<\/code><\/li>\n<li><code>kampanyaKodu<\/code> yoksa <code>\"Yok\"<\/code> olsun.<\/li>\n<li><code>dahiliOzellik<\/code> kald\u0131r\u0131lmal\u0131.<\/li>\n<\/ul>\n<\/li>\n<li><code>odemeBilgisi<\/code> tamamen kald\u0131r\u0131lmal\u0131.<\/li>\n<\/ul>\n<p>Bu d\u00f6n\u00fc\u015f\u00fcm\u00fc 3 ad\u0131mda yapal\u0131m:<\/p>\n<ol>\n<li><strong>Shift Operasyonu<\/strong>: Alan adlar\u0131n\u0131 yeniden yap\u0131land\u0131r\u0131n ve <code>odemeBilgisi<\/code>'ni kald\u0131r\u0131n.<\/li>\n<li><strong>Default Operasyonu<\/strong>: Eksik <code>kampanyaKodu<\/code> alanlar\u0131na varsay\u0131lan de\u011fer atay\u0131n.<\/li>\n<li><strong>Remove Operasyonu<\/strong>: <code>dahiliOzellik<\/code> alan\u0131n\u0131 kald\u0131r\u0131n.<\/li>\n<\/ol>\n<pre><code class=\"language-json\">\n    \/\/ JOLT Spec Ad\u0131m 1: Shift\n    [\n      {\n        \"operation\": \"shift\",\n        \"spec\": {\n          \"sepetId\": \"sepetID\",\n          \"musteriId\": \"musteriID\",\n          \"urunler\": {\n            \"*\": {\n              \"urunKodu\": \"urunler[&].urunKodu\",\n              \"adet\": \"urunler[&].adet\",\n              \"birimFiyat\": \"urunler[&].fiyat\",\n              \"kampanyaKodu\": \"urunler[&].kampanyaKodu\"\n            }\n          }\n          \/\/ \"odemeBilgisi\" alan\u0131n\u0131 buraya eklemedi\u011fimiz i\u00e7in otomatik olarak kald\u0131r\u0131l\u0131r.\n        }\n      },\n      \/\/ JOLT Spec Ad\u0131m 2: Default\n      {\n        \"operation\": \"default\",\n        \"spec\": {\n          \"urunler\": {\n            \"*\": {\n              \"kampanyaKodu\": \"Yok\"\n            }\n          }\n        }\n      },\n      \/\/ JOLT Spec Ad\u0131m 3: Remove\n      {\n        \"operation\": \"remove\",\n        \"spec\": {\n          \"urunler\": {\n            \"*\": {\n              \"dahiliOzellik\": \"\"\n            }\n          }\n        }\n      }\n    ]\n<\/pre>\n<p><\/code><\/p>\n<p>Java kodu ise \u015fu \u015fekilde olacakt\u0131r:<\/p>\n<pre><code class=\"language-java\">\n    import com.bazaarvoice.jolt.Chainr;\n    import com.bazaarvoice.jolt.JsonUtils;\n\n    import java.io.IOException;\n    import java.util.List;\n    import java.util.Map;\n\n    public class JoltChainrExample {\n        public static void main(String[] args) throws IOException {\n            String inputJsonString = \"{\" +\n                \"  \\\"sepetId\\\": \\\"S001\\\",\" +\n                \"  \\\"musteriId\\\": \\\"C001\\\",\" +\n                \"  \\\"urunler\\\": [\" +\n                \"    {\" +\n                \"      \\\"urunKodu\\\": \\\"P101\\\",\" +\n                \"      \\\"adet\\\": 2,\" +\n                \"      \\\"birimFiyat\\\": 150.0,\" +\n                \"      \\\"kampanyaKodu\\\": \\\"YAZ2024\\\",\" +\n                \"      \\\"dahiliOzellik\\\": \\\"A1B2C3\\\"\" +\n                \"    },\" +\n                \"    {\" +\n                \"      \\\"urunKodu\\\": \\\"P102\\\",\" +\n                \"      \\\"adet\\\": 1,\" +\n                \"      \\\"birimFiyat\\\": 500.0\" +\n                \"    }\" +\n                \"  ],\" +\n                \"  \\\"odemeBilgisi\\\": {\" +\n                \"    \\\"kartNumarasi\\\": \\\"XXXX-XXXX-XXXX-1234\\\",\" +\n                \"    \\\"tip\\\": \\\"Kredi Kart\u0131\\\"\" +\n                \"  }\" +\n                \"}\";\n            Map<String, Object> input = JsonUtils.jsonToMap(inputJsonString);\n\n            String specJsonString = \"[\" +\n                \"  {\" +\n                \"    \\\"operation\\\": \\\"shift\\\",\" +\n                \"    \\\"spec\\\": {\" +\n                \"      \\\"sepetId\\\": \\\"sepetID\\\",\" +\n                \"      \\\"musteriId\\\": \\\"musteriID\\\",\" +\n                \"      \\\"urunler\\\": {\" +\n                \"        \\\"*\\\": {\" +\n                \"          \\\"urunKodu\\\": \\\"urunler[&].urunKodu\\\",\" +\n                \"          \\\"adet\\\": \\\"urunler[&].adet\\\",\" +\n                \"          \\\"birimFiyat\\\": \\\"urunler[&].fiyat\\\",\" +\n                \"          \\\"kampanyaKodu\\\": \\\"urunler[&].kampanyaKodu\\\"\" +\n                \"        }\" +\n                \"      }\" +\n                \"    }\" +\n                \"  },\" +\n                \"  {\" +\n                \"    \\\"operation\\\": \\\"default\\\",\" +\n                \"    \\\"spec\\\": {\" +\n                \"      \\\"urunler\\\": {\" +\n                \"        \\\"*\\\": {\" +\n                \"          \\\"kampanyaKodu\\\": \\\"Yok\\\"\" +\n                \"        }\" +\n                \"      }\" +\n                \"    }\" +\n                \"  },\" +\n                \"  {\" +\n                \"    \\\"operation\\\": \\\"remove\\\",\" +\n                \"    \\\"spec\\\": {\" +\n                \"      \\\"urunler\\\": {\" +\n                \"        \\\"*\\\": {\" +\n                \"          \\\"dahiliOzellik\\\": \\\"\\\"\" +\n                \"        }\" +\n                \"      }\" +\n                \"    }\" +\n                \"  }\" +\n                \"]\";\n            List<Object> spec = JsonUtils.jsonToList(specJsonString);\n\n            Chainr chainr = Chainr.fromSpec(spec);\n            Object transformedOutput = chainr.transform(input);\n\n            System.out.println(\"Giri\u015f JSON:\\n\" + JsonUtils.toJsonString(input));\n            System.out.println(\"\\n\u00c7\u0131k\u0131\u015f JSON:\\n\" + JsonUtils.toJsonString(transformedOutput));\n        }\n    }\n<\/pre>\n<p><\/code><\/p>\n<p>Bu yakla\u015f\u0131m, d\u00f6n\u00fc\u015f\u00fcm mant\u0131\u011f\u0131n\u0131 mod\u00fcler hale getirerek hatalar\u0131 ay\u0131klamay\u0131 ve d\u00f6n\u00fc\u015f\u00fcm ad\u0131mlar\u0131n\u0131 anlamay\u0131 kolayla\u015ft\u0131r\u0131r.<\/p>\n<h3>Performans Optimizasyonu \u0130pu\u00e7lar\u0131<\/h3>\n<ol>\n<li><strong>Spec Optimizasyonu<\/strong>: Karma\u015f\u0131k JOLT spesifikasyonlar\u0131 performans d\u00fc\u015f\u00fckl\u00fc\u011f\u00fcne neden olabilir. M\u00fcmk\u00fcn oldu\u011funca az say\u0131da ve basit operat\u00f6r kullanmaya \u00e7al\u0131\u015f\u0131n. \u00d6zellikle <code>Shift<\/code> operat\u00f6r\u00fcnde \u00e7ok fazla i\u00e7 i\u00e7e ge\u00e7mi\u015f veya dinamik e\u015fle\u015fmeler yerine daha d\u00fcz bir yap\u0131 tercih edin.<\/li>\n<li><strong>Chainr Kullan\u0131m\u0131<\/strong>: Yukar\u0131da g\u00f6sterildi\u011fi gibi, <code>Chainr<\/code>'\u0131 kullanarak d\u00f6n\u00fc\u015f\u00fcm ad\u0131mlar\u0131n\u0131 ayr\u0131\u015ft\u0131rmak, hem okunabilirlik hem de bazen performans a\u00e7\u0131s\u0131ndan faydal\u0131 olabilir. \u00c7\u00fcnk\u00fc her ad\u0131m, bir \u00f6nceki ad\u0131m\u0131n optimize edilmi\u015f \u00e7\u0131kt\u0131s\u0131 \u00fczerinde \u00e7al\u0131\u015f\u0131r.<\/li>\n<li><strong>Spec \u00d6nbellekleme (Caching)<\/strong>: JOLT spesifikasyonlar\u0131 genellikle statiktir veya nadiren de\u011fi\u015fir. <code>Chainr.fromSpec(spec)<\/code> metodu, spec'i ayr\u0131\u015ft\u0131r\u0131p bir d\u00f6n\u00fc\u015f\u00fcm plan\u0131 olu\u015fturur. Bu i\u015flem, \u00f6zellikle b\u00fcy\u00fck ve karma\u015f\u0131k spec'lerde maliyetli olabilir. Bu nedenle, <code>Chainr<\/code> nesnesini bir kez olu\u015fturup uygulaman\u0131z\u0131n \u00f6mr\u00fc boyunca (veya d\u00f6n\u00fc\u015f\u00fcm spesifikasyonu de\u011fi\u015fene kadar) \u00f6nbelle\u011fe almak, her d\u00f6n\u00fc\u015f\u00fcm iste\u011finde yeniden ayr\u0131\u015ft\u0131rma yapmaktan ka\u00e7\u0131narak performans\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131racakt\u0131r.<\/li>\n<li><strong>B\u00fcy\u00fck Veri Setleri<\/strong>: \u00c7ok b\u00fcy\u00fck JSON dosyalar\u0131yla \u00e7al\u0131\u015f\u0131rken, JOLT'un bellekteki t\u00fcketimini g\u00f6z \u00f6n\u00fcnde bulundurun. Gerekirse, veriyi daha k\u00fc\u00e7\u00fck par\u00e7alara b\u00f6lerek veya ak\u0131\u015f tabanl\u0131 (streaming) JSON i\u015fleme k\u00fct\u00fcphaneleriyle birlikte kullanarak bellek sorunlar\u0131n\u0131n \u00f6n\u00fcne ge\u00e7ebilirsiniz.<\/li>\n<\/ol>\n<div class=\"expert-tip\">Uzman \u0130pucu: Chainr nesnesini statik bir final alanda tan\u0131mlayarak veya bir Singleton desen ile y\u00f6neterek uygulama ba\u015flang\u0131c\u0131nda bir kez olu\u015fturun. B\u00f6ylece her JSON d\u00f6n\u00fc\u015f\u00fcm\u00fc iste\u011finde JOLT spec dosyas\u0131n\u0131n yeniden y\u00fcklenip ayr\u0131\u015ft\u0131r\u0131lmas\u0131n\u0131n \u00f6n\u00fcne ge\u00e7erek performans\u0131 %40'a kadar art\u0131rabilirsiniz.<\/div>\n<h2>Mobil Uyumlu JSON G\u00f6rselle\u015ftirme \u0130\u00e7in CSS \u0130pu\u00e7lar\u0131<\/h2>\n<p>JOLT ile JSON verilerini d\u00f6n\u00fc\u015ft\u00fcrd\u00fckten sonra, bu verileri web aray\u00fczlerinde veya mobil uygulamalarda g\u00f6stermeniz gerekebilir. \u00d6zellikle mobil cihazlarda, JSON gibi yap\u0131land\u0131r\u0131lm\u0131\u015f verilerin okunabilirli\u011fini sa\u011flamak \u00f6nemlidir. CSS medya sorgular\u0131 (media queries) ve esnek layout (flexbox\/grid) teknikleri, mobil uyumlu bir g\u00f6rselle\u015ftirme i\u00e7in vazge\u00e7ilmezdir. Yukar\u0131daki stil \u00f6rneklerinde de g\u00f6rebilece\u011finiz gibi, <code>@media<\/code> kurallar\u0131, ekran boyutuna g\u00f6re farkl\u0131 stiller uygulaman\u0131z\u0131 sa\u011flar.<\/p>\n<p>\u00d6rne\u011fin, uzun kod bloklar\u0131 veya tablolar mobil ekranlarda yatay kayd\u0131rma gerektirebilir, bu da kullan\u0131c\u0131 deneyimini olumsuz etkiler. <code>pre<\/code> etiketleri i\u00e7in <code>overflow-x: auto;<\/code> kullanmak, bu sorunu \u00e7\u00f6zmenin bir yoludur. Tablolar i\u00e7in ise, sat\u0131r bazl\u0131 bir g\u00f6r\u00fcn\u00fcme ge\u00e7i\u015f yapmak, s\u00fctunlar\u0131n alt alta gelmesini sa\u011flamak ve her h\u00fccreden \u00f6nce ilgili ba\u015fl\u0131\u011f\u0131n\u0131 (<code>td:before<\/code> ile) g\u00f6stermek olduk\u00e7a yayg\u0131n ve etkili bir mobil uyumluluk tekni\u011fidir. \u0130\u015fte bu tekniklerin temel bir medya sorgusuyla nas\u0131l uygulanabilece\u011fine dair \u00f6rnekler:<\/p>\n<pre><code class=\"language-css\">\n    @media (max-width: 768px) {\n        \/* T\u00fcm tablo elemanlar\u0131n\u0131 blok olarak g\u00f6ster *\/\n        table, thead, tbody, th, td, tr {\n            display: block;\n        }\n        \/* Ba\u015fl\u0131k sat\u0131r\u0131n\u0131 gizle *\/\n        thead tr {\n            position: absolute;\n            top: -9999px;\n            left: -9999px;\n        }\n        \/* Her sat\u0131ra kenarl\u0131k ekle ve alt\u0131ndaki di\u011fer sat\u0131rlardan ay\u0131r *\/\n        tr {\n            border: 1px solid #ccc;\n            margin-bottom: 10px;\n        }\n        \/* Her h\u00fccreye dolgu ver ve i\u00e7eri\u011fi sa\u011fa hizala *\/\n        td {\n            border: none;\n            border-bottom: 1px solid #eee;\n            position: relative;\n            padding-left: 50%; \/* Ba\u015fl\u0131k i\u00e7in yer a\u00e7 *\/\n            text-align: right;\n        }\n        \/* Her h\u00fccreden \u00f6nce ba\u015fl\u0131\u011f\u0131 g\u00f6ster *\/\n        td:before {\n            position: absolute;\n            top: 6px;\n            left: 6px;\n            width: 45%;\n            padding-right: 10px;\n            white-space: nowrap;\n            text-align: left;\n            font-weight: bold;\n        }\n        \/* Her h\u00fccre i\u00e7in dinamik ba\u015fl\u0131k atama (\u00f6rnek) *\/\n        td:nth-of-type(1):before { content: \"Ba\u015fl\u0131k 1:\"; }\n        td:nth-of-type(2):before { content: \"Ba\u015fl\u0131k 2:\"; }\n        \/* Kod bloklar\u0131 i\u00e7in font boyutunu k\u00fc\u00e7\u00fclt *\/\n        pre {\n            font-size: 0.8em;\n            padding: 10px;\n        }\n    }\n<\/pre>\n<p><\/code><\/p>\n<p>Bu CSS kurallar\u0131, JOLT d\u00f6n\u00fc\u015f\u00fcmleriyle elde etti\u011finiz JSON verilerini, mobil ekranlarda daha estetik ve i\u015flevsel bir \u015fekilde sunman\u0131za yard\u0131mc\u0131 olacakt\u0131r.<\/p>\n<h2>Sonu\u00e7 ve S\u0131k\u00e7a Sorulan Sorular: JOLT'a Dair Bilmeniz Gerekenler<\/h2>\n<p>Bu rehber boyunca, Java JOLT k\u00fct\u00fcphanesinin JSON d\u00f6n\u00fc\u015f\u00fcmleri i\u00e7in sundu\u011fu g\u00fc\u00e7l\u00fc yetenekleri detayl\u0131 bir \u015fekilde inceledik. JOLT'un deklaratif yakla\u015f\u0131m\u0131 sayesinde, karma\u015f\u0131k veri e\u015fleme ve yeniden yap\u0131land\u0131rma g\u00f6revlerini daha az kodla, daha esnek ve bak\u0131m\u0131 daha kolay bir \u015fekilde ger\u00e7ekle\u015ftirebilece\u011finizi g\u00f6rd\u00fck. <code>Shift<\/code> operat\u00f6r\u00fc ile veri ta\u015f\u0131ma, <code>Defaultr<\/code> ile eksik alanlar\u0131 tamamlama, <code>Remover<\/code> ile gereksiz verileri ay\u0131klama ve <code>Cardinality<\/code> ile veri tutarl\u0131l\u0131\u011f\u0131n\u0131 sa\u011flama gibi temel operat\u00f6rlerin yan\u0131 s\u0131ra, <code>Chainr<\/code> ile \u00e7ok ad\u0131ml\u0131 d\u00f6n\u00fc\u015f\u00fcmleri nas\u0131l zincirleyebilece\u011finizi ve performans ipu\u00e7lar\u0131n\u0131 da \u00f6\u011frendik. JOLT, API entegrasyonlar\u0131nda, veri i\u015fleme boru hatlar\u0131nda ve mikroservis ileti\u015fiminde veri d\u00f6n\u00fc\u015f\u00fcm\u00fc zorluklar\u0131n\u0131 a\u015fmak i\u00e7in Java geli\u015ftiricilerinin ara\u00e7 kutusunda bulunmas\u0131 gereken kritik bir k\u00fct\u00fcphanedir. Veri d\u00f6n\u00fc\u015f\u00fcm\u00fc ihtiya\u00e7lar\u0131n\u0131zda JOLT'u kullanarak hem zamandan tasarruf edecek hem de daha sa\u011flam ve \u00f6l\u00e7eklenebilir \u00e7\u00f6z\u00fcmler \u00fcreteceksiniz.<\/p>\n<h3>S\u0131k\u00e7a Sorulan Sorular<\/h3>\n<ol>\n<li>\n<h4>JOLT sadece Java projelerinde mi kullan\u0131labilir?<\/h4>\n<p>Evet, JOLT k\u00fct\u00fcphanesi Java tabanl\u0131d\u0131r ve Java uygulamalar\u0131nda kullan\u0131lmak \u00fczere tasarlanm\u0131\u015ft\u0131r. Ancak, JOLT spesifikasyonu JSON tabanl\u0131 oldu\u011fu i\u00e7in, teorik olarak ba\u015fka dillerde de benzer bir mant\u0131kla \u00e7al\u0131\u015fan k\u00fct\u00fcphaneler yaz\u0131labilir veya JOLT servisleri bir API arac\u0131l\u0131\u011f\u0131yla di\u011fer dillerden \u00e7a\u011fr\u0131labilir.<\/p>\n<\/li>\n<li>\n<h4>JOLT performans a\u00e7\u0131s\u0131ndan nas\u0131l bir k\u00fct\u00fcphanedir?<\/h4>\n<p>JOLT, iyi optimize edilmi\u015f ve genellikle performans\u0131 olduk\u00e7a y\u00fcksektir. Ancak, spesifikasyonun karma\u015f\u0131kl\u0131\u011f\u0131 ve giri\u015f JSON'unun boyutu performans\u0131 etkileyebilir. <code>Chainr<\/code> nesnesini \u00f6nbelle\u011fe almak ve basit spesifikasyonlar kullanmak gibi stratejilerle performans\u0131 daha da art\u0131rmak m\u00fcmk\u00fcnd\u00fcr. \u00c7ok b\u00fcy\u00fck JSON'lar i\u00e7in ak\u0131\u015f tabanl\u0131 i\u015fleme alternatifleri de de\u011ferlendirilebilir.<\/p>\n<\/li>\n<li>\n<h4>JOLT ile JSONPath aras\u0131ndaki fark nedir?<\/h4>\n<p>JSONPath, JSON belgeleri i\u00e7inde belirli elemanlar\u0131 se\u00e7mek i\u00e7in kullan\u0131lan bir sorgu dilidir; SQL'deki XPath veya SELECT ifadesine benzer. JOLT ise, sadece eleman se\u00e7mekle kalmaz, ayn\u0131 zamanda se\u00e7ilen elemanlar\u0131 tamamen farkl\u0131 bir JSON yap\u0131s\u0131na d\u00f6n\u00fc\u015ft\u00fcrme, yeniden adland\u0131rma, filtreleme ve varsay\u0131lan de\u011ferler atama gibi kapsaml\u0131 d\u00f6n\u00fc\u015f\u00fcm yetenekleri sunar. K\u0131sacas\u0131, JSONPath veri *se\u00e7er*, JOLT ise veriyi *d\u00f6n\u00fc\u015ft\u00fcr\u00fcr* ve *yeniden yap\u0131land\u0131r\u0131r*.<\/p>\n<\/li>\n<li>\n<h4>JOLT \u00f6\u011frenmek zor mu?<\/h4>\n<p>JOLT'un temel kavramlar\u0131 ve en s\u0131k kullan\u0131lan <code>Shift<\/code> operat\u00f6r\u00fc h\u0131zl\u0131 bir \u015fekilde \u00f6\u011frenilebilir. Ancak, dinamik e\u015fle\u015fmeler, wildcard'lar ve referans operat\u00f6rleri gibi ileri d\u00fczey \u00f6zellikler, \u00f6zellikle karma\u015f\u0131k JSON yap\u0131lar\u0131yla \u00e7al\u0131\u015f\u0131rken biraz pratik gerektirebilir. Spesifikasyonun deklaratif yap\u0131s\u0131, ba\u015flang\u0131\u00e7ta al\u0131\u015fma s\u00fcresi gerektirse de, genel olarak Java koduna k\u0131yasla daha okunabilir ve y\u00f6netilebilirdir.<\/p>\n<\/li>\n<\/ol>\n<p><\/body><\/p>\n","protected":false},"excerpt":{"rendered":"Modern yaz\u0131l\u0131m d\u00fcnyas\u0131nda, farkl\u0131 sistemler aras\u0131nda veri al\u0131\u015fveri\u015fi \u00e7o\u011funlukla JSON format\u0131nda ger\u00e7ekle\u015fir. Ancak bu entegrasyonlar s\u0131ras\u0131nda, kaynak sistemden&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1408],"tags":[],"class_list":{"0":"post-34822","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-java","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java JOLT K\u00fct\u00fcphanesi ile JSON D\u00f6n\u00fc\u015f\u00fcm\u00fc: Kapsaml\u0131 Rehber<\/title>\n<meta name=\"description\" content=\"Modern yaz\u0131l\u0131m d\u00fcnyas\u0131nda, farkl\u0131 sistemler aras\u0131nda veri al\u0131\u015fveri\u015fi \u00e7o\u011funlukla JSON format\u0131nda ger\u00e7ekle\u015fir. 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Bu kapsaml\u0131 rehberde, JOLT&#039;un ne oldu\u011funu, neden bu kadar \u00f6nemli oldu\u011funu ve onu ger\u00e7ek d\u00fcnya senaryolar\u0131nda nas\u0131l kullanabilece\u011finizi ad\u0131m ad\u0131m ke\u015ffedeceksiniz.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java JOLT K\u00fct\u00fcphanesi ile JSON D\u00f6n\u00fc\u015f\u00fcm\u00fc: Kapsaml\u0131 Rehber\" \/>\n<meta property=\"og:description\" content=\"Modern yaz\u0131l\u0131m d\u00fcnyas\u0131nda, farkl\u0131 sistemler aras\u0131nda veri al\u0131\u015fveri\u015fi \u00e7o\u011funlukla JSON format\u0131nda ger\u00e7ekle\u015fir. 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Bu kapsaml\u0131 rehberde, JOLT&#039;un ne oldu\u011funu, neden bu kadar \u00f6nemli oldu\u011funu ve onu ger\u00e7ek d\u00fcnya senaryolar\u0131nda nas\u0131l kullanabilece\u011finizi ad\u0131m ad\u0131m ke\u015ffedeceksiniz.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-22T09:31:07+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"19 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"Java JOLT K\u00fct\u00fcphanesi ile JSON D\u00f6n\u00fc\u015f\u00fcm\u00fc: Kapsaml\u0131 Rehber\",\"datePublished\":\"2025-11-22T09:31:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/\"},\"wordCount\":2999,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"articleSection\":[\"Java\"],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/java-jolt-kutuphanesi-ile-json-donusumu-kapsamli-rehber\/\",\"name\":\"Java JOLT K\u00fct\u00fcphanesi ile JSON D\u00f6n\u00fc\u015f\u00fcm\u00fc: Kapsaml\u0131 Rehber\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-11-22T09:31:07+00:00\",\"description\":\"Modern yaz\u0131l\u0131m d\u00fcnyas\u0131nda, farkl\u0131 sistemler aras\u0131nda veri al\u0131\u015fveri\u015fi \u00e7o\u011funlukla JSON format\u0131nda ger\u00e7ekle\u015fir. 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