Feature

java-collections.iml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter:5.5.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-api:5.5.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.apiguardian:apiguardian-api:1.1.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.opentest4j:opentest4j:1.2.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-commons:1.5.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-params:5.5.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-engine:5.5.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-engine:1.5.2" level="project" />
+  </component>
+</module>

src/main/java/com/epam/izh/rd/online/service/SimpleTextStatisticsAnalyzer.java

@@ -23,7 +23,14 @@ public class SimpleTextStatisticsAnalyzer implements TextStatisticsAnalyzer {
      */
     @Override
     public int countSumLengthOfWords(String text) {
-        return 0;
+        List<String> list = getWords(text);
+        int lengthAllWords = 0;
+
+        for (String element : list) {
+            lengthAllWords += element.length();
+        }
+
+        return lengthAllWords;
     }
 
     /**
@@ -34,7 +41,7 @@ public int countSumLengthOfWords(String text) {
      */
     @Override
     public int countNumberOfWords(String text) {
-        return 0;
+        return getWords(text).size();
     }
 
     /**
@@ -44,7 +51,7 @@ public int countNumberOfWords(String text) {
      */
     @Override
     public int countNumberOfUniqueWords(String text) {
-        return 0;
+        return getUniqueWords(text).size();
     }
 
     /**
@@ -57,7 +64,14 @@ public int countNumberOfUniqueWords(String text) {
      */
     @Override
     public List<String> getWords(String text) {
-        return emptyList();
+        List<String> wordList = new ArrayList<>();
+        String[] words = text.replaceAll("\\W", " ").split("\\s+");
+
+        for (String word : words) {
+            wordList.addAll(Collections.singleton(word));
+        }
+
+        return wordList;
     }
 
     /**
@@ -70,7 +84,7 @@ public List<String> getWords(String text) {
      */
     @Override
     public Set<String> getUniqueWords(String text) {
-        return emptySet();
+        return new HashSet(getWords(text));
     }
 
     /**
@@ -82,7 +96,11 @@ public Set<String> getUniqueWords(String text) {
      */
     @Override
     public Map<String, Integer> countNumberOfWordsRepetitions(String text) {
-        return emptyMap();
+        Map<String, Integer> map = new HashMap<>();
+        for (String string : getWords(text)) {
+            map.put(string, Collections.frequency(getWords(text), string));
+        }
+        return map;
     }
 
     /**
@@ -95,6 +113,12 @@ public Map<String, Integer> countNumberOfWordsRepetitions(String text) {
      */
     @Override
     public List<String> sortWordsByLength(String text, Direction direction) {
-        return emptyList();
+        List<String> sortedList = getWords(text);
+        if (direction.equals(Direction.ASC)){
+            sortedList.sort(Comparator.comparing(String::length));
+        } else {
+            sortedList.sort(Comparator.comparing(String::length).reversed());
+        }
+        return sortedList;
     }
 }

src/main/java/com/epam/izh/rd/online/service/StreamApiTextStatisticsAnalyzer.java

@@ -2,10 +2,9 @@
 
 import com.epam.izh.rd.online.helper.Direction;
 
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import static java.util.Collections.*;
 
@@ -16,36 +15,48 @@
 public class StreamApiTextStatisticsAnalyzer implements TextStatisticsAnalyzer {
     @Override
     public int countSumLengthOfWords(String text) {
-        return 0;
+        return getWords(text).stream()
+                .mapToInt(String::length)
+                .sum();
     }
 
     @Override
     public int countNumberOfWords(String text) {
-        return 0;
+        return (int) getWords(text).stream()
+                .count();
     }
 
     @Override
     public int countNumberOfUniqueWords(String text) {
-        return 0;
+        return (int) getUniqueWords(text).stream().count();
     }
 
     @Override
     public List<String> getWords(String text) {
-        return emptyList();
+        return Stream.of(text.replaceAll("\\W", " ").split("\\s+"))
+                .collect(Collectors.toList());
     }
 
     @Override
     public Set<String> getUniqueWords(String text) {
-        return emptySet();
+        return new HashSet<>(getWords(text));
     }
 
     @Override
     public Map<String, Integer> countNumberOfWordsRepetitions(String text) {
-        return emptyMap();
+        return getWords(text).stream()
+                .collect(Collectors.groupingBy(word -> word, Collectors.summingInt(word -> 1)));
     }
 
     @Override
     public List<String> sortWordsByLength(String text, Direction direction) {
-        return emptyList();
+        if (direction.equals(Direction.ASC)) {
+            return getWords(text).stream()
+                    .sorted(Comparator.comparing(String::length))
+                    .collect(Collectors.toList());
+        }
+        return getWords(text).stream()
+                .sorted(Comparator.comparing(String::length).reversed())
+                .collect(Collectors.toList());
     }
 }