first commit

.gitignore

@@ -36,3 +36,5 @@ buildNumber.properties
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
+# idea related #
+.idea

pom.xml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.hellodk</groupId>
+    <artifactId>gfwlist-decoder</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/cn.hutool/hutool-core -->
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-core</artifactId>
+            <version>5.7.19</version>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.2</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <version>3.2.0</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <!-- 运行 jar 包时运行的主类，要求写全类名 需要包含 package name -->
+                            <mainClass>ApplicationEntry</mainClass>
+                            <!-- 是否指定项目 classpath 下的依赖 -->
+                            <addClasspath>true</addClasspath>
+                        </manifest>
+                    </archive>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>make-assembly</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/ApplicationEntry.java

@@ -0,0 +1,13 @@
+/**
+ * @author: hellodk
+ * @description Application Entry class
+ * @date: 2022/4/14 14:21
+ */
+
+public class ApplicationEntry {
+
+    public static void main(String[] args) {
+        MainService mainService = new MainService();
+        mainService.entry();
+    }
+}

src/main/java/MainService.java

@@ -0,0 +1,37 @@
+import cn.hutool.core.codec.Base64;
+import cn.hutool.core.io.file.FileWriter;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.stream.Stream;
+
+/**
+ * @author: hellodk
+ * @description main service class
+ * @date: 2022/4/14 14:22
+ */
+
+public class MainService {
+
+    public MainService() {
+
+    }
+
+    public void entry() {
+        String fileLocation = "C:\\Users\\dk\\Downloads\\gfwlist.txt";
+        String outputLocation = "C:\\Users\\dk\\Downloads\\gfwlist-decoded.txt";
+        FileWriter fileWriter = new FileWriter(outputLocation);
+        try {
+            Stream<String> lines = Files.lines(Paths.get(fileLocation));
+            lines.forEachOrdered(e -> {
+                String lineDecoded = Base64.decodeStr(e);
+                fileWriter.write(lineDecoded, true);
+            });
+        }
+        catch (IOException ex) {
+            System.out.println(ex);
+        }
+
+    }
+}