resolvendo desafio do segundo dia

raphaelrighetti · raphaelrighetti · commit 55beb105dfa7 · 2023-02-02T20:38:01.000-03:00
diff --git a/filmes/pom.xml b/filmes/pom.xml
@@ -19,8 +19,8 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>11</source>
-                    <target>11</target>
+                    <source>15</source>
+                    <target>15</target>
                 </configuration>
             </plugin>
         </plugins>
diff --git a/filmes/src/main/java/io/github/raphaelrighetti/filmes/LeitorApi.java b/filmes/src/main/java/io/github/raphaelrighetti/filmes/LeitorApi.java
@@ -1,10 +1,13 @@
 package io.github.raphaelrighetti.filmes;
 
+import io.github.raphaelrighetti.filmes.regex.JsonMatcher;
+
 import java.io.*;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
+import java.util.List;
 import java.util.Properties;
 
 public class LeitorApi {
@@ -26,6 +29,13 @@ public static void main(String[] args) {
         try {
             HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
             System.out.println(response.body());
+            JsonMatcher jsonMatcher = new JsonMatcher(response.body());
+            jsonMatcher.getFilmes().forEach(System.out::println);
+            List<String> ranks = jsonMatcher.getRanks();
+            for (int i = 0; i < ranks.size(); i++) {
+                System.out.println(ranks.get(i) + ", " + i);
+
+            }
         } catch (Exception e) {
             e.printStackTrace();
         }
diff --git a/filmes/src/main/java/io/github/raphaelrighetti/filmes/regex/JsonMatcher.java b/filmes/src/main/java/io/github/raphaelrighetti/filmes/regex/JsonMatcher.java
@@ -0,0 +1,112 @@
+package io.github.raphaelrighetti.filmes.regex;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class JsonMatcher {
+
+    private List<String> filmes = new ArrayList<>();
+    private List<String> titles = new ArrayList<>();
+    private List<String> urlImages = new ArrayList<>();
+    private List<String> years = new ArrayList<>();
+    private List<String> ranks = new ArrayList<>();
+
+    public JsonMatcher(String json) {
+        checaStringNull(json);
+        json = formataJson(json);
+        preencheTudo(json);
+    }
+
+    public List<String> getFilmes() {
+        checaListaVazia(filmes);
+        return Collections.unmodifiableList(filmes);
+    }
+
+    public List<String> getTitles() {
+        checaListaVazia(titles);
+        return Collections.unmodifiableList(titles);
+    }
+
+    public List<String> getUrlImages() {
+        checaListaVazia(urlImages);
+        return Collections.unmodifiableList(urlImages);
+    }
+
+    public List<String> getYears() {
+        checaListaVazia(years);
+        return Collections.unmodifiableList(years);
+    }
+
+    public List<String> getRanks() {
+        checaListaVazia(ranks);
+        return Collections.unmodifiableList(ranks);
+    }
+
+    private void preencheFilmes(String json) {
+        Matcher matcher = Pattern.compile("(\\{[^{}]*})").matcher(json);
+        while (matcher.find()) {
+            filmes.add(matcher.group());
+        }
+    }
+
+    private void preencheTitles(String json) {
+        Matcher matcher = Pattern.compile("\"title\":\"([^\"]*)\"").matcher(json);
+        while (matcher.find()) {
+            titles.add(matcher.group());
+        }
+    }
+
+    private void preencheUrlImages(String json) {
+        Matcher matcher = Pattern.compile("\"image\":\"([^\"]*)\"").matcher(json);
+        while (matcher.find()) {
+            urlImages.add(matcher.group());
+        }
+    }
+
+    private void preencheYears(String json) {
+        Matcher matcher = Pattern.compile("\"year\":\"([^\"]*)\"").matcher(json);
+        while (matcher.find()) {
+            years.add(matcher.group());
+        }
+    }
+
+    private void preencheRanks(String json) {
+        Matcher matcher = Pattern.compile("\"rank\":\"([^\"]*)\"").matcher(json);
+        while (matcher.find()) {
+            ranks.add(matcher.group());
+        }
+    }
+
+    private void preencheTudo(String json) {
+        preencheFilmes(json);
+        preencheTitles(json);
+        preencheUrlImages(json);
+        preencheYears(json);
+        preencheRanks(json);
+    }
+
+    private void checaStringNull(String json) {
+        if (json == null) {
+            throw new NullPointerException("É necessário passar os dados!");
+        }
+    }
+
+    private void checaListaVazia(List<String> lista) {
+        if (lista.isEmpty()) {
+            throw new NullPointerException("A lista está vazia!");
+        }
+    }
+
+    private String formataJson(String json) {
+        Matcher matcherStart = Pattern.compile("\\{\"items\":\\[").matcher(json);
+        String resultWithoutStart = matcherStart.replaceAll("");
+
+        Matcher matcherEnd = Pattern.compile("],\"errorMessage\":\"\"}").matcher(resultWithoutStart);
+        String result = matcherEnd.replaceAll("");
+
+        return result;
+    }
+}
