Homework 11

dict/russian.dict

@@ -0,0 +1,4 @@
+o=про
+снова=знову
+все=всі
+всегда=завжди

src/com/lang/LanguageDetector.java

@@ -6,6 +6,7 @@
 import java.util.List;
 import java.util.Map;
 
+@Component
 public class LanguageDetector {
 
 	private Map<Language, List<String>> mapping;
@@ -21,6 +22,6 @@ public Language detectLanguage(String text) {
 	}
 
 	private void initMapping() {
-		mapping = new HashMap<Language, List<String>>();
+		mapping = new HashMap<>();
 	}
 }

src/com/main/AppConfiguration.java

@@ -1,11 +1,10 @@
 package com.main;
 
-import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Scope;
 
 @Configuration
+@ComponentScan("com")
 public class AppConfiguration {
 
-    //TODO: Implement me
 }

src/com/main/Dictionary.java

@@ -8,13 +8,20 @@
 import java.util.List;
 import java.util.Map;
 
+@Component
 public class Dictionary {
 
-	private Map<Language, Map<String, String>> dictionaries = new HashMap<Language, Map<String, String>>();
+	@Autowired
+	ResourceLoader resourceLoader;
+
+	private Map<Language, Map<String, String>> dictionaries = new HashMap<>();
 
 	public String translate(String word, Language language) {
-        //TODO: Implement me
-		return null;
+		Map<String, String> dictionary = getDictionary(language);
+		word = word.replaceAll("\\p{Punct}", "");
+		String translation = dictionary.get(word);
+		return translation == null ? word : translation;
+
 	}
 
 	private Map<String, String> getDictionary(Language language) {
@@ -27,7 +34,13 @@ private Map<String, String> getDictionary(Language language) {
 	}
 
 	private Map<String, String> loadDictionary(Language language) {
-        //TODO: Implement me
-        return null;
+		Map<String, String> dictionary = new HashMap<>();
+		List<String> lines = resourceLoader.load("dict/" + language.name().toLowerCase() + ".dict");
+		for (String line : lines) {
+			String[] words = line.split("=");
+			dictionary.put(words[0], words[1]);
+		}
+
+		return dictionary;
 	}
 }

src/com/main/Main.java

@@ -3,7 +3,6 @@
 import org.springframework.beans.BeansException;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
-import org.springframework.context.support.FileSystemXmlApplicationContext;
 
 public class Main {
 	public static void main(String[] args) throws BeansException {

src/com/main/ResourceLoader.java

@@ -9,6 +9,7 @@
 import java.util.ArrayList;
 import java.util.List;
 
+@Component
 public class ResourceLoader {
 
 	public List<String> load(String source) {
@@ -17,6 +18,6 @@ public List<String> load(String source) {
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
-		return new ArrayList<String>();
+		return new ArrayList<>();
 	}
 }

src/com/main/TextSource.java

@@ -1,9 +1,21 @@
 package com.main;
 
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
 public class TextSource {
 
+	@Autowired
+	ResourceLoader resourceLoader;
+
 	public String getText(String path) {
-        //TODO: Implement me
-        return null;
+		StringBuilder sb = new StringBuilder();
+
+		for (String line : resourceLoader.load(path)) {
+			sb.append(line);
+		}
+
+		return sb.toString();
 	}
 }

src/com/main/Translator.java

@@ -1,14 +1,36 @@
 package com.main;
 
+import com.lang.Language;
+import com.lang.LanguageDetector;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import javax.annotation.PostConstruct;
-
+@Component
 public class Translator {
 
-    public String translate(String source) {
-        //TODO: Implement me
-		return null;
+	TextSource textSource;
+	LanguageDetector languageDetector;
+	Dictionary dictionary;
+
+	@Autowired
+	public Translator(TextSource textSource, LanguageDetector languageDetector, Dictionary dictionary) {
+		this.textSource = textSource;
+		this.languageDetector = languageDetector;
+		this.dictionary = dictionary;
+	}
+
+	public String translate(String source) {
+		StringBuilder translatedText = new StringBuilder();
+		String text = textSource.getText(source);
+		Language language = languageDetector.detectLanguage(text);
+
+		for (String word : text.split("\\s+")) {
+			translatedText
+					.append(dictionary.translate(word.trim(), language))
+					.append(" ");
+		}
+
+		return translatedText.toString();
 	}
 
 }