Java version

javaJosa/build.gradle

@@ -0,0 +1,14 @@
+group 'com.github.dotkebi'
+version '1.0-SNAPSHOT'
+
+apply plugin: 'java'
+
+sourceCompatibility = 1.8
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testCompile group: 'junit', name: 'junit', version: '4.11'
+}

javaJosa/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Tue Aug 16 18:35:16 KST 2016
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.13-all.zip

javaJosa/settings.gradle

@@ -0,0 +1,2 @@
+rootProject.name = 'josa'
+

javaJosa/src/main/java/Josa.java

@@ -0,0 +1,72 @@
+import java.util.HashMap;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * translated by dotkebi@gmail.com on 2016-08-16.
+ */
+public class Josa {
+
+    private Map<String, JosaPair> josaPatternPaird = new HashMap<>();
+
+    public Josa() {
+        josaPatternPaird.put("(이)가", new JosaPair("이", "가"));
+        josaPatternPaird.put("(와)과", new JosaPair("과", "와"));
+        josaPatternPaird.put("(을)를", new JosaPair("을", "를"));
+        josaPatternPaird.put("(은)는", new JosaPair("은", "는"));
+        josaPatternPaird.put("(아)야", new JosaPair("아", "야"));
+        josaPatternPaird.put("(이)여", new JosaPair("이여", "여"));
+        josaPatternPaird.put("(으)로", new JosaPair("으로", "로"));
+        josaPatternPaird.put("(이)라", new JosaPair("이라", "라"));
+    }
+
+    public String replace(String src) {
+        StringBuilder stringBuilder = new StringBuilder();
+        Pattern pattern = Pattern.compile("\\(이\\)가|\\(와\\)과|\\(을\\)를|\\(은\\)는|\\(아\\)야|\\(이\\)여|\\(으\\)로|\\(이\\)라");
+        Matcher matcher = pattern.matcher(src);
+        int lastHeadIndex = 0;
+
+        while (matcher.find()) {
+            String group = matcher.group();
+            JosaPair josaPair = josaPatternPaird.get(group);
+            int endIndexOfBefore = matcher.end();
+            String before = src.substring(lastHeadIndex, endIndexOfBefore);
+
+            stringBuilder.append(before.replace(group, ""));
+
+            String josa = josaPair.getJosa1();
+            if (matcher.start() > 0) {
+                char prevChar = src.substring(matcher.start() - 1, endIndexOfBefore).charAt(0);
+                if (!((hasJong(prevChar) && !group.equals("(으)로")) ||
+                        (hasJongExceptRieul(prevChar) && group.equals("(으)로")))) {
+                    josa = josaPair.getJosa2();
+                }
+            }
+            stringBuilder.append(josa);
+            lastHeadIndex = endIndexOfBefore;
+        }
+        stringBuilder.append(src.substring(lastHeadIndex, src.length()));
+        return stringBuilder.toString();
+    }
+
+    private boolean hasJong(char inChar) {
+        // 가 ~ 힣
+        if (inChar >= 0xAC00 && inChar <= 0xD7A3) {
+            int localCode = inChar - 0xAC00; // 가~ 이후 로컬 코드
+            int jongCode = localCode % 28;
+            return jongCode > 0;
+        }
+        return false;
+    }
+
+    private boolean hasJongExceptRieul(char inChar) {
+        if (inChar >= 0xAC00 && inChar <= 0xD7A3) {
+            int localCode = inChar - 0xAC00;
+            int jongCode = localCode % 28;
+            return !(jongCode == 8 || jongCode == 0);
+        }
+        return false;
+    }
+
+}

javaJosa/src/main/java/JosaPair.java

@@ -0,0 +1,21 @@
+/**
+ * translated by dotkebi@gmail.com on 2016-08-16.
+ */
+public class JosaPair {
+
+    private String josa1;
+    private String josa2;
+
+    public JosaPair(String josa1, String josa2) {
+        this.josa1 = josa1;
+        this.josa2 = josa2;
+    }
+
+    public String getJosa1() {
+        return josa1;
+    }
+
+    public String getJosa2() {
+        return josa2;
+    }
+}

javaJosa/src/main/java/Korean.java

@@ -0,0 +1,13 @@
+
+/**
+ * translated by dotkebi@gmail.com on 2016-08-16.
+ */
+public class Korean {
+
+    static Josa josa = new Josa();
+
+    public static String replaceJosa(String src) {
+        return josa.replace(src);
+    }
+
+}