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‎.editorconfig‎

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[*]
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charset = utf-8
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end_of_line = lf
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indent_size = 4
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indent_style = space
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insert_final_newline = false
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max_line_length = 120
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tab_width = 4
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ij_continuation_indent_size = 8
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[*.java]
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ij_java_align_multiline_chained_methods = true

‎.gitignore‎

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# Created by https://www.toptal.com/developers/gitignore/api/eclipse,intellij+all,maven,bluej
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# Edit at https://www.toptal.com/developers/gitignore?templates=eclipse,intellij+all,maven,bluej
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### bluej ###
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# BlueJ: A Java IDE for programming beginners. http://bluej.org
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# Editor preferences for a class etc, see http://lists.bluej.org/pipermail/bluej-discuss/2003-May/002351.html
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*.ctxt
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# Duplicate of project file, see http://www.hs-owl.de/fb5/labor/it/de/if1/vl/IF1JavaOhneBluej.pdf, page 4
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bluej.pkh
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### Eclipse ###
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.metadata
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bin/
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tmp/
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*.tmp
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*.bak
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*.swp
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*~.nib
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local.properties
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.settings/
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.loadpath
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.recommenders
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# External tool builders
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.externalToolBuilders/
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# Locally stored "Eclipse launch configurations"
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*.launch
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# PyDev specific (Python IDE for Eclipse)
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*.pydevproject
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# CDT-specific (C/C++ Development Tooling)
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.cproject
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# CDT- autotools
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.autotools
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# Java annotation processor (APT)
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.factorypath
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# PDT-specific (PHP Development Tools)
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.buildpath
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# sbteclipse plugin
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.target
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# Tern plugin
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.tern-project
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# TeXlipse plugin
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.texlipse
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# STS (Spring Tool Suite)
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.springBeans
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# Code Recommenders
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.recommenders/
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# Annotation Processing
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.apt_generated/
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.apt_generated_test/
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# Scala IDE specific (Scala & Java development for Eclipse)
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.cache-main
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.scala_dependencies
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.worksheet
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# Uncomment this line if you wish to ignore the project description file.
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# Typically, this file would be tracked if it contains build/dependency configurations:
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#.project
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### Eclipse Patch ###
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# Spring Boot Tooling
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.sts4-cache/
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### Intellij+all ###
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# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
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# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
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# User-specific stuff
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.idea/**/workspace.xml
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.idea/**/tasks.xml
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.idea/**/usage.statistics.xml
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.idea/**/dictionaries
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.idea/**/shelf
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# Generated files
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.idea/**/contentModel.xml
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# Sensitive or high-churn files
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.idea/**/dataSources/
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.idea/**/dataSources.ids
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.idea/**/dataSources.local.xml
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.idea/**/sqlDataSources.xml
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.idea/**/dynamic.xml
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.idea/**/uiDesigner.xml
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.idea/**/dbnavigator.xml
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# Gradle
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.idea/**/gradle.xml
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.idea/**/libraries
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# Gradle and Maven with auto-import
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# When using Gradle or Maven with auto-import, you should exclude module files,
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# since they will be recreated, and may cause churn. Uncomment if using
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# auto-import.
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# .idea/artifacts
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# .idea/compiler.xml
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# .idea/jarRepositories.xml
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# .idea/modules.xml
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# .idea/*.iml
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# .idea/modules
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# *.iml
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# *.ipr
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# CMake
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cmake-build-*/
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# Mongo Explorer plugin
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.idea/**/mongoSettings.xml
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# File-based project format
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*.iws
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# IntelliJ
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out/
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# mpeltonen/sbt-idea plugin
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.idea_modules/
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# JIRA plugin
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atlassian-ide-plugin.xml
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# Cursive Clojure plugin
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.idea/replstate.xml
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# Crashlytics plugin (for Android Studio and IntelliJ)
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com_crashlytics_export_strings.xml
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crashlytics.properties
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crashlytics-build.properties
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fabric.properties
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# Editor-based Rest Client
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.idea/httpRequests
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# Android studio 3.1+ serialized cache file
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.idea/caches/build_file_checksums.ser
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### Intellij+all Patch ###
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# Ignores the whole .idea folder and all .iml files
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# See https://github.com/joeblau/gitignore.io/issues/186 and https://github.com/joeblau/gitignore.io/issues/360
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.idea/
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# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
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*.iml
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modules.xml
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.idea/misc.xml
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*.ipr
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# Sonarlint plugin
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.idea/sonarlint
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### Maven ###
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target/
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pom.xml.tag
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pom.xml.releaseBackup
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pom.xml.versionsBackup
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pom.xml.next
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release.properties
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dependency-reduced-pom.xml
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buildNumber.properties
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.mvn/timing.properties
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# https://github.com/takari/maven-wrapper#usage-without-binary-jar
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.mvn/wrapper/maven-wrapper.jar
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# End of https://www.toptal.com/developers/gitignore/api/eclipse,intellij+all,maven,bluej
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.classpath
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.project

‎pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.example</groupId>
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<artifactId>CustomTransformerSample</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>8</maven.compiler.source>
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<maven.compiler.target>8</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<asm.version>9.4</asm.version>
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</properties>
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<repositories>
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<repository>
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<id>jitpack.io</id>
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<url>https://jitpack.io</url>
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</repository>
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</repositories>
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<dependencies>
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<dependency>
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<groupId>com.github.qTechnologiesV2</groupId>
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<artifactId>qProtect-API</artifactId>
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<version>1.9.2</version>
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</dependency>
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<dependency>
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<groupId>org.ow2.asm</groupId>
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<artifactId>asm</artifactId>
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<version>${asm.version}</version>
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</dependency>
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<dependency>
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<groupId>org.ow2.asm</groupId>
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<artifactId>asm-tree</artifactId>
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<version>${asm.version}</version>
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</dependency>
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</dependencies>
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</project>

‎src/main/java/de/brownie/customtransformer/NopSpamTransformer.java‎

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package de.brownie.customtransformer;
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import dev.mdma.qprotect.api.jar.JarFile;
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import dev.mdma.qprotect.api.transformer.ClassTransformer;
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import dev.mdma.qprotect.api.transformer.TransformException;
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import dev.mdma.qprotect.api.transformer.exclusions.ExclusionType;
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import org.objectweb.asm.Opcodes;
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import org.objectweb.asm.tree.ClassNode;
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import org.objectweb.asm.tree.InsnNode;
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//Sample transformer that adds useless NOP instuctions
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public class NopSpamTransformer extends ClassTransformer {
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public NopSpamTransformer() {
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super("NopSpamTransformer", "Added {} NOP instructions");
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}
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@Override
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public boolean runOnClass(String s, ClassNode classNode, JarFile jarFile) throws TransformException {
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//loop through methods
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classNode.methods.forEach(methodNode ->
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//loop through instructions
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methodNode.instructions.forEach(abstractInsnNode -> {
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//Add useless NOP instruction before each real instruction
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methodNode.instructions.insertBefore(abstractInsnNode, new InsnNode(Opcodes.NOP));
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counter.incrementAndGet();
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}));
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//return true if class was modified
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return true;
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}
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@Override
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public ExclusionType getExclusionType() {
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return ExclusionType.CUSTOM;
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}
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}

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