Apply Spotless and use tabs according to checkstyle.xml

Author: micka-lama

pom.xml

@@ -245,7 +245,7 @@
             <trimTrailingWhitespace/>
             <endWithNewline/>
             <indent>
-              <spaces>true</spaces>
+              <tabs>true</tabs>
             </indent>
           </java>
         </configuration>

src/main/java/spoon/ContractVerifier.java

@@ -8,6 +8,15 @@
 package spoon;
 
 
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayDeque;
+import java.util.Collection;
+import java.util.Deque;
+import java.util.HashSet;
+import java.util.IdentityHashMap;
+import java.util.Map;
+import java.util.Set;
 import spoon.reflect.CtModelImpl;
 import spoon.reflect.code.CtArrayWrite;
 import spoon.reflect.code.CtAssignment;
@@ -49,16 +58,6 @@
 import spoon.support.sniper.internal.ElementSourceFragment;
 import spoon.support.visitor.equals.EqualsVisitor;
 
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.util.ArrayDeque;
-import java.util.Collection;
-import java.util.Deque;
-import java.util.HashSet;
-import java.util.IdentityHashMap;
-import java.util.Map;
-import java.util.Set;
-
 import static spoon.testing.utils.Check.assertNotNull;
 
 /**

src/main/java/spoon/FluentLauncher.java

@@ -9,7 +9,6 @@
 
 import java.io.File;
 import java.nio.charset.Charset;
-
 import spoon.processing.Processor;
 import spoon.reflect.CtModel;
 import spoon.reflect.declaration.CtElement;

src/main/java/spoon/IncrementalLauncher.java

@@ -24,13 +24,11 @@
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
-
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.filefilter.DirectoryFileFilter;
 import org.apache.commons.io.filefilter.SuffixFileFilter;
 import org.apache.commons.io.filefilter.TrueFileFilter;
 import org.codehaus.plexus.util.CollectionUtils;
-
 import spoon.reflect.cu.CompilationUnit;
 import spoon.reflect.declaration.CtPackage;
 import spoon.reflect.declaration.CtType;

src/main/java/spoon/Launcher.java

@@ -14,6 +14,17 @@
 import com.martiansoftware.jsap.Switch;
 import com.martiansoftware.jsap.stringparsers.EnumeratedStringParser;
 import com.martiansoftware.jsap.stringparsers.FileStringParser;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.lang.invoke.MethodHandles;
+import java.nio.charset.Charset;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.ResourceBundle;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.filefilter.IOFileFilter;
 import org.apache.commons.lang3.StringUtils;
@@ -43,18 +54,6 @@
 import spoon.support.compiler.jdt.JDTBasedSpoonCompiler;
 import spoon.support.gui.SpoonModelTree;
 
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.lang.invoke.MethodHandles;
-import java.nio.charset.Charset;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.List;
-import java.util.ResourceBundle;
-
 import static spoon.support.StandardEnvironment.DEFAULT_CODE_COMPLIANCE_LEVEL;
 
 /**
@@ -94,7 +93,7 @@ enum CLASSPATH_MODE {
 
 	/**
 	 * This field is used to ensure that {@link #setArgs(String[])} is only called once.
- 	 */
+	*/
 	private boolean processed = false;
 
 	/**

src/main/java/spoon/MavenLauncher.java

@@ -7,14 +7,13 @@
  */
 package spoon;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import spoon.support.compiler.SpoonPom;
-
 import java.io.File;
 import java.lang.invoke.MethodHandles;
 import java.util.List;
 import java.util.regex.Pattern;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import spoon.support.compiler.SpoonPom;
 
 /**
  * Create a Spoon launcher from a maven pom file

src/main/java/spoon/OutputType.java

@@ -8,7 +8,6 @@
 package spoon;
 
 import java.util.Locale;
-
 import org.jspecify.annotations.Nullable;
 
 /**

src/main/java/spoon/SpoonAPI.java

@@ -8,7 +8,6 @@
 package spoon;
 
 import java.io.File;
-
 import spoon.compiler.Environment;
 import spoon.processing.Processor;
 import spoon.reflect.CtModel;

src/main/java/spoon/SpoonModelBuilder.java

@@ -7,6 +7,10 @@
  */
 package spoon;
 
+import java.io.File;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
 import spoon.compiler.SpoonResource;
 import spoon.compiler.builder.JDTBuilder;
 import spoon.processing.Processor;
@@ -19,11 +23,6 @@
 import spoon.support.compiler.jdt.FileCompilerConfig;
 import spoon.support.compiler.jdt.JDTBatchCompiler;
 
-import java.io.File;
-import java.util.Collection;
-import java.util.List;
-import java.util.Set;
-
 /**
  * Responsible for building a spoon model from Java source code.
  *

src/main/java/spoon/compiler/Environment.java

@@ -7,6 +7,11 @@
  */
 package spoon.compiler;
 
+import java.io.File;
+import java.nio.charset.Charset;
+import java.util.List;
+import java.util.function.Supplier;
+import org.jspecify.annotations.Nullable;
 import spoon.OutputType;
 import spoon.compiler.builder.EncodingProvider;
 import spoon.processing.FileGenerator;
@@ -23,13 +28,6 @@
 import spoon.support.modelobs.FineModelChangeListener;
 import spoon.support.sniper.SniperJavaPrettyPrinter;
 
-import java.io.File;
-import java.nio.charset.Charset;
-import java.util.List;
-import java.util.function.Supplier;
-
-import org.jspecify.annotations.Nullable;
-
 /**
  * This interface represents the environment in which Spoon is launched -
  * accessible through {@link spoon.reflect.factory.Factory#getEnvironment()}. Its