From dceb8699e51cabb630ea7d97092542aaaa37f056 Mon Sep 17 00:00:00 2001
From: daadaadaah <daadaadaah@gmail.com>
Date: Mon, 13 Mar 2023 11:39:00 +0900
Subject: [PATCH] Adapter Pattern

---
 .../design-pattern/adapterPattern/README.md   |  1 +
 .../adapterPattern/SearchService.java         |  5 ++++
 .../SearchServiceTolrAdapter.java             | 26 +++++++++++++++++++
 .../SearchServiceTolrAdapter2.java            | 25 ++++++++++++++++++
 4 files changed, 57 insertions(+)
 create mode 100644 oop-in-spring/practice/design-pattern/adapterPattern/README.md
 create mode 100644 oop-in-spring/practice/design-pattern/adapterPattern/SearchService.java
 create mode 100644 oop-in-spring/practice/design-pattern/adapterPattern/SearchServiceTolrAdapter.java
 create mode 100644 oop-in-spring/practice/design-pattern/adapterPattern/SearchServiceTolrAdapter2.java

diff --git a/oop-in-spring/practice/design-pattern/adapterPattern/README.md b/oop-in-spring/practice/design-pattern/adapterPattern/README.md
new file mode 100644
index 000000000..cf059d49b
--- /dev/null
+++ b/oop-in-spring/practice/design-pattern/adapterPattern/README.md
@@ -0,0 +1 @@
+# 어댑터 패턴
diff --git a/oop-in-spring/practice/design-pattern/adapterPattern/SearchService.java b/oop-in-spring/practice/design-pattern/adapterPattern/SearchService.java
new file mode 100644
index 000000000..1820a9699
--- /dev/null
+++ b/oop-in-spring/practice/design-pattern/adapterPattern/SearchService.java
@@ -0,0 +1,5 @@
+package adapterPattern;
+
+public interface SearchService {
+    SearchResult search(String keyword);
+}
diff --git a/oop-in-spring/practice/design-pattern/adapterPattern/SearchServiceTolrAdapter.java b/oop-in-spring/practice/design-pattern/adapterPattern/SearchServiceTolrAdapter.java
new file mode 100644
index 000000000..aac96a4aa
--- /dev/null
+++ b/oop-in-spring/practice/design-pattern/adapterPattern/SearchServiceTolrAdapter.java
@@ -0,0 +1,26 @@
+import adapterPattern.SearchService;
+
+public class SearchServiceTolrAdapter implements SearchService {
+    private TolrClient tolrClient = new TolrClient();
+
+    @Override
+    public SearchResult search(String keyword) {
+        // keyword를 tolrClient가 요구하는 형식으로 변환
+        TolrQuery tolrQuery = new TolrQuery(keyword);
+
+        // TolrClient 기능 실행
+        QueryResponse response = tolrClient.query(tolrQuery);
+
+        SearchResult result = convertToResult(response);
+        return result;
+    }
+
+    private SearchResult convertToResult(QueryResponse response) {
+        List<TolrDocument> tolrDocs = response.getDocumentList().getDocuments();
+        List<SearchDocument> docs = new ArrayList<SearchDocument>();
+        for(TolrDocument tolrDoc: tolrDocs) {
+            docs.add(new SearchDocument(tolrDocs.getId(), ...));
+        }
+        return new SearchResult(docs);
+    }
+}
\ No newline at end of file
diff --git a/oop-in-spring/practice/design-pattern/adapterPattern/SearchServiceTolrAdapter2.java b/oop-in-spring/practice/design-pattern/adapterPattern/SearchServiceTolrAdapter2.java
new file mode 100644
index 000000000..7b6d7db1e
--- /dev/null
+++ b/oop-in-spring/practice/design-pattern/adapterPattern/SearchServiceTolrAdapter2.java
@@ -0,0 +1,25 @@
+package adapterPattern;
+
+public class SearchServiceTolrAdapter2 extends TolrClient {
+
+    public SearchResult search(String keyword) {
+        // keyword를 tolrClient가 요구하는 형식으로 변환
+        TolrQuery tolrQuery = new TolrQuery(keyword);
+
+        // TolrClient 기능 실행
+        QueryResponse response = super.query(tolrQuery);
+
+        // TolrClient의 결과를 SearchResult로 변환
+        SearchResult result = convertToResult(response);
+        return result;
+    }
+
+    private SearchResult convertToResult(QueryResponse response) {
+        List<TolrDocument> tolrDocs = response.getDocumentList().getDocuments();
+        List<SearchDocument> docs = new ArrayList<SearchDocument>();
+        for(TolrDocument tolrDoc: tolrDocs) {
+            docs.add(new SearchDocument(tolrDocs.getId(), ...));
+        }
+        return new SearchResult(docs);
+    }
+}
\ No newline at end of file