[톰캣 구현하기 1, 2단계] 마코(이규성) 미션 제출합니다.

tomcat/src/main/java/common/FileReader.java

@@ -9,6 +9,7 @@
 public class FileReader {
 
     private static final String STATIC_RESOURCE_PATH = "static";
+    private static final String EXTENSION_HTML = ".html";
 
     private FileReader() {
     }
@@ -23,7 +24,7 @@ private static URL findResource(String fileName) {
         URL resource = FileReader.class.getClassLoader()
                 .getResource(STATIC_RESOURCE_PATH + fileName);
         if (resource == null) {
-            fileName = fileName + ".html";
+            fileName = fileName + EXTENSION_HTML;
             resource = FileReader.class.getClassLoader()
                     .getResource(STATIC_RESOURCE_PATH + fileName);
         }

tomcat/src/main/java/nextstep/mvc/ModelAndView.java

@@ -0,0 +1,30 @@
+package nextstep.mvc;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ModelAndView {
+
+    private final String viewName;
+    private final Map<String, String> model = new HashMap<>();
+
+    public ModelAndView(final String viewName) {
+        this.viewName = viewName;
+    }
+
+    public ModelAndView() {
+        this(null);
+    }
+
+    public void setAttribute(String key, String value) {
+        model.put(key, value);
+    }
+
+    public String getViewName() {
+        return viewName;
+    }
+
+    public Map<String, String> getModel() {
+        return model;
+    }
+}

tomcat/src/main/java/nextstep/mvc/View.java

@@ -0,0 +1,41 @@
+package nextstep.mvc;
+
+import java.util.Map;
+import org.apache.coyote.http11.HttpHeaders;
+import org.apache.coyote.http11.HttpResponse;
+
+public class View {
+
+    private static final String DEFAULT_CHAR_SET = "text/html;charset=utf-8";
+
+    private String content;
+    private final String contentType;
+
+    public View() {
+        this.contentType = DEFAULT_CHAR_SET;
+    }
+
+    public View(final String content, final String contentType) {
+        this.content = content;
+        this.contentType = contentType;
+    }
+
+    public void render(Map<String, String> model, HttpResponse httpResponse) {
+        if (content == null) {
+            StringBuilder sb = new StringBuilder();
+            for (final var value : model.values()) {
+                sb.append(value);
+            }
+            httpResponse.addHeader(HttpHeaders.CONTENT_TYPE, DEFAULT_CHAR_SET);
+            httpResponse.addHeader(HttpHeaders.CONTENT_LENGTH,
+                    String.valueOf(sb.toString().getBytes().length));
+            httpResponse.setBody(sb.toString());
+            return;
+        }
+
+        httpResponse.addHeader(HttpHeaders.CONTENT_TYPE, contentType);
+        httpResponse.addHeader(HttpHeaders.CONTENT_LENGTH,
+                String.valueOf(content.getBytes().length));
+        httpResponse.setBody(content);
+    }
+}

tomcat/src/main/java/nextstep/mvc/ViewResolver.java

@@ -0,0 +1,15 @@
+package nextstep.mvc;
+
+import common.FileReader;
+import java.io.IOException;
+import org.apache.coyote.http11.SupportContentType;
+
+public class ViewResolver {
+
+    private ViewResolver() {
+    }
+
+    public static View resolve(final String viewName) throws IOException {
+        return new View(FileReader.readFile(viewName), SupportContentType.getContentType(viewName));
+    }
+}