i downloaded a minecraft mod and im trying to change the code, so i decompiled the mod and changed the code but when i try to compile it in cmd i get this error error: package com.google.gson does not exist import com.google.gson.Gson; for mutliple packages i tried using javac -classpath [Gson jar file path] filename.java
but still getting the error
the mod's directory https://i.stack.imgur.com/Dx8OM.png
i tried --module-path -classpath both didnt work
the full code:
package de.torui.coflsky.minecraft_integration;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.Duration;
import java.time.ZonedDateTime;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.stream.Collectors;
import net.minecraftforge.fml.common.Loader;
public class CoflSessionManager {
public static Gson gson = (new GsonBuilder()).registerTypeAdapter(ZonedDateTime.class, new TypeAdapter<ZonedDateTime>() {
public void write(JsonWriter out, ZonedDateTime value) throws IOException {
out.value(value.toString());
}
public ZonedDateTime read(JsonReader in) throws IOException {
return ZonedDateTime.parse(in.nextString());
}
}).enableComplexMapKeySerialization().create();
public static class CoflSession {
public String SessionUUID;
public ZonedDateTime timestampCreated;
public CoflSession() {}
public CoflSession(String sessionUUID, ZonedDateTime timestampCreated) {
this.SessionUUID = sessionUUID;
this.timestampCreated = timestampCreated;
}
}
public static void UpdateCoflSessions() throws IOException {
Map<String, CoflSession> sessions = GetCoflSessions();
for (String username : sessions.keySet()) {
if (!isValidSession(sessions.get(username)))
DeleteCoflSession(username);
}
}
public static Path GetTempFileFolder() {
Path dataPath = Paths.get(Loader.instance().getConfigDir().getPath(), new String[] { "CoflSky", "sessions" });
dataPath.toFile().mkdirs();
return dataPath;
}
public static Map<String, CoflSession> GetCoflSessions() throws IOException {
File[] sessions = GetTempFileFolder().toFile().listFiles();
Map<String, CoflSession> map = new HashMap<>();
for (int i = 0; i < sessions.length; i++)
map.put(sessions[i].getName(), GetCoflSession(sessions[i].getName()));
return map;
}
public static boolean isValidSession(CoflSession session) {
if (session.timestampCreated.plus
(Duration.ofDays(1800000L)).isAfter(ZonedDateTime.now
()))
return true;
return false;
}
private static Path GetUserPath(String username) {
return Paths.get(GetTempFileFolder().toString() + "/" + username, new String[0]);
}
public static void DeleteCoflSession(String username) {
Path path = GetUserPath(username);
}
public static void DeleteAllCoflSessions() {
Path path = GetTempFileFolder();
File[] sessions = path.toFile().listFiles();
for (File f : sessions)
f.delete();
}
public static CoflSession GetCoflSession(String username) throws IOException {
Path path = GetUserPath(username);
File file = path.toFile();
if (!file.exists()) {
CoflSession coflSession = new CoflSession(UUID.randomUUID().toString(), ZonedDateTime.now
());
OverwriteCoflSession(username, coflSession);
return coflSession;
}
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
String raw = reader.lines().collect(Collectors.joining("\n"));
reader.close();
CoflSession session = (CoflSession)gson.fromJson(raw, CoflSession.class);
return session;
}
public static boolean OverwriteCoflSession(String username, CoflSession session) throws IOException {
Path path = GetUserPath(username);
File file = path.toFile();
file.createNewFile();
String data = gson.toJson(session);
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
bw.append(data);
bw.flush();
bw.close();
return true;
}
}
full cmd error:
javac -classpath C:\Users\peleg\Desktop\test\META-INF\maven\com.neovisionaries\nv-websocket-client CoflSessionManager.java
CoflSessionManager.java:3
: error: package com.google.gson does not exist
import com.google.gson.Gson;
^
CoflSessionManager.java:4
: error: package com.google.gson does not exist
import com.google.gson.GsonBuilder;
^
CoflSessionManager.java:5
: error: package com.google.gson does not exist
import com.google.gson.TypeAdapter;
^
CoflSessionManager.java:6
: error: package com.google.gson.stream
does not exist
import com.google.gson.stream.JsonReader;
^
CoflSessionManager.java:7
: error: package com.google.gson.stream
does not exist
import com.google.gson.stream.JsonWriter;
^
CoflSessionManager.java:24
: error: package net.minecraftforge.fml.common does not exist
import net.minecraftforge.fml.common.Loader;
^
CoflSessionManager.java:27
: error: cannot find symbol
public static Gson gson = (new GsonBuilder()).registerTypeAdapter(ZonedDateTime.class, new TypeAdapter<ZonedDateTime>() {
^
symbol: class Gson
location: class CoflSessionManager
CoflSessionManager.java:27
: error: cannot find symbol
public static Gson gson = (new GsonBuilder()).registerTypeAdapter(ZonedDateTime.class, new TypeAdapter<ZonedDateTime>() {
^
symbol: class TypeAdapter
location: class CoflSessionManager
CoflSessionManager.java:28
: error: cannot find symbol
public void write(JsonWriter out, ZonedDateTime value) throws IOException {
^
symbol: class JsonWriter
CoflSessionManager.java:32
: error: cannot find symbol
public ZonedDateTime read(JsonReader in) throws IOException {
^
symbol: class JsonReader
CoflSessionManager.java:27
: error: cannot find symbol
public static Gson gson = (new GsonBuilder()).registerTypeAdapter(ZonedDateTime.class, new TypeAdapter<ZonedDateTime>() {
^
symbol: class GsonBuilder
location: class CoflSessionManager
CoflSessionManager.java:59
: error: cannot find symbol
Path dataPath = Paths.get(Loader.instance().getConfigDir().getPath(), new String[] { "CoflSky", "sessions" });
^
symbol: variable Loader
location: class CoflSessionManager
12 errors
this is the error i get when i try --module-path [Gson jar file path] filename.java
:
javac --module-path C:\Users\peleg\Downloads\jar_files CoflSessionManager.java
CoflSessionManager.java:3
: error: package com.google.gson is not visible
import com.google.gson.Gson;
^
(package com.google.gson is declared in module com.google.gson, which is not in the module graph)
CoflSessionManager.java:4
: error: package com.google.gson is not visible
import com.google.gson.GsonBuilder;
^
(package com.google.gson is declared in module com.google.gson, which is not in the module graph)
CoflSessionManager.java:5
: error: package com.google.gson is not visible
import com.google.gson.TypeAdapter;
^
(package com.google.gson is declared in module com.google.gson, which is not in the module graph)
CoflSessionManager.java:6
: error: package com.google.gson.stream
is not visible
import com.google.gson.stream.JsonReader;
^
(package com.google.gson.stream
is declared in module com.google.gson, which is not in the module graph)
CoflSessionManager.java:7
: error: package com.google.gson.stream
is not visible
import com.google.gson.stream.JsonWriter;
^
(package com.google.gson.stream
is declared in module com.google.gson, which is not in the module graph)
CoflSessionManager.java:24
: error: package net.minecraftforge.fml.common does not exist
import net.minecraftforge.fml.common.Loader;
^
CoflSessionManager.java:59
: error: cannot find symbol
Path dataPath = Paths.get(Loader.instance().getConfigDir().getPath(), new String[] { "CoflSky", "sessions" });
^
symbol: variable Loader
location: class CoflSessionManager
7 errors
pom.xml:
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.neovisionaries</groupId>
<artifactId>nv-websocket-client</artifactId>
<version>2.14</version>
<packaging>bundle</packaging>
<name>${project.groupId}:${project.artifactId}</name>
<description>WebSocket client implementation in Java.</description>
<url>https://github.com/TakahikoKawasaki/nv-websocket-client
</url>
<licenses>
<license>
<name>The Apache Software License, Version 2.0</name>
<url>http://www.apache.org/licenses/LICENSE-2.0.txt
</url>
</license>
</licenses>
<developers>
<developer>
<name>Takahiko Kawasaki</name>
</developer>
</developers>
<scm>
<connection>scm:git:git@github.com:TakahikoKawasaki/nv-websocket-client.git</connection>
<developerConnection>scm:git:git@github.com:TakahikoKawasaki/nv-websocket-client.git</developerConnection>
<url>git@github.com:TakahikoKawasaki/nv-websocket-client.git</url>
<tag>nv-websocket-client-2.14</tag>
</scm>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<distributionManagement>
<snapshotRepository>
<id>darutk</id>
<url>https://oss.sonatype.org/content/repositories/snapshots
</url>
</snapshotRepository>
<repository>
<id>darutk</id>
<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/
</url>
</repository>
</distributionManagement>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.5</version>
<scope>provided</scope>
</dependency>
</dependencies>
<profiles>
<profile>
<id>doclint</id>
<activation>
<jdk>[1.8,)</jdk>
</activation>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<configuration>
<additionalparam>-Xdoclint:-html</additionalparam>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-site-plugin</artifactId>
<configuration>
<reportPlugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<configuration>
<additionalparam>-Xdoclint:-html</additionalparam>
</configuration>
</plugin>
</reportPlugins>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.5</source>
<target>1.5</target>
<fork>true</fork>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>2.3</version>
<executions>
<execution>
<id>attach-sources</id>
<goals>
<goal>jar-no-fork</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.10.1</version>
<configuration>
<additionalJOption>-J-Duser.language=en</additionalJOption>
</configuration>
<executions>
<execution>
<id>attach-javadocs</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.5</version>
<configuration>
<archive>
<manifestEntries>
<Built-By>Neo Visionaries Inc.</Built-By>
</manifestEntries>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.sonatype.plugins</groupId>
<artifactId>nexus-staging-maven-plugin</artifactId>
<version>1.6.4</version>
<extensions>true</extensions>
<configuration>
<serverId>darutk</serverId>
<nexusUrl>https://oss.sonatype.org/
</nexusUrl>
<autoReleaseAfterClose>true</autoReleaseAfterClose>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-release-plugin</artifactId>
<version>2.5.1</version>
<configuration>
<autoVersionSubmodules>true</autoVersionSubmodules>
<useReleaseProfile>false</useReleaseProfile>
<releaseProfiles>release</releaseProfiles>
<goals>deploy</goals>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-gpg-plugin</artifactId>
<version>1.5</version>
<executions>
<execution>
<id>sign-artifacts</id>
<phase>verify</phase>
<goals>
<goal>sign</goal>
</goals>
<configuration>
<keyname>E3F58E5C</keyname>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.5.3</version>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>${project.groupId}.ws.client</Bundle-SymbolicName>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
</project>
the mod:
https://www.mediafire.com/file/ca73tnwv7qxdh2i/test.jar/file
if you need any other information ask and ill write itenter code here
