[Generic Editor] Code cleanup

Change-Id: Idd22c81f4aa102c4a808f3d1868806244aa86017
Signed-off-by: Mickael Istria <mistria@redhat.com>
diff --git a/org.eclipse.ui.genericeditor/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.ui.genericeditor/.settings/org.eclipse.jdt.core.prefs
index 0c68a61..25c93f4 100644
--- a/org.eclipse.ui.genericeditor/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.ui.genericeditor/.settings/org.eclipse.jdt.core.prefs
@@ -1,7 +1,106 @@
 eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.annotation.inheritNullAnnotations=disabled
+org.eclipse.jdt.core.compiler.annotation.missingNonNullByDefaultAnnotation=ignore
+org.eclipse.jdt.core.compiler.annotation.nonnull=org.eclipse.jdt.annotation.NonNull
+org.eclipse.jdt.core.compiler.annotation.nonnull.secondary=
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault=org.eclipse.jdt.annotation.NonNullByDefault
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault.secondary=
+org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nullable
+org.eclipse.jdt.core.compiler.annotation.nullable.secondary=
+org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
 org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.autoboxing=info
+org.eclipse.jdt.core.compiler.problem.comparingIdentical=error
+org.eclipse.jdt.core.compiler.problem.deadCode=warning
+org.eclipse.jdt.core.compiler.problem.deprecation=warning
+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
+org.eclipse.jdt.core.compiler.problem.emptyStatement=info
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=warning
+org.eclipse.jdt.core.compiler.problem.fallthroughCase=warning
+org.eclipse.jdt.core.compiler.problem.fatalOptionalError=disabled
+org.eclipse.jdt.core.compiler.problem.fieldHiding=info
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=error
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=warning
+org.eclipse.jdt.core.compiler.problem.includeNullInfoFromAsserts=disabled
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
+org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=warning
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=ignore
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=info
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=warning
+org.eclipse.jdt.core.compiler.problem.missingDefaultCase=warning
+org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=error
+org.eclipse.jdt.core.compiler.problem.missingEnumCaseDespiteDefault=disabled
+org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod=warning
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=error
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotationForInterfaceMethodImplementation=enabled
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=info
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=error
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=error
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=error
+org.eclipse.jdt.core.compiler.problem.nonnullParameterAnnotationDropped=warning
+org.eclipse.jdt.core.compiler.problem.nonnullTypeVariableFromLegacyInvocation=warning
+org.eclipse.jdt.core.compiler.problem.nullAnnotationInferenceConflict=error
+org.eclipse.jdt.core.compiler.problem.nullReference=error
+org.eclipse.jdt.core.compiler.problem.nullSpecViolation=error
+org.eclipse.jdt.core.compiler.problem.nullUncheckedConversion=warning
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
+org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.pessimisticNullAnalysisForFreeTypeVariables=warning
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=warning
+org.eclipse.jdt.core.compiler.problem.potentialNullReference=error
+org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=warning
+org.eclipse.jdt.core.compiler.problem.rawTypeReference=info
+org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullCheck=warning
+org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=ignore
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=info
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=info
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
+org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
+org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
+org.eclipse.jdt.core.compiler.problem.syntacticNullAnalysisForFields=disabled
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.typeParameterHiding=info
+org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems=enabled
+org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
+org.eclipse.jdt.core.compiler.problem.unclosedCloseable=warning
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=warning
+org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=warning
+org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=warning
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=disabled
+org.eclipse.jdt.core.compiler.problem.unusedExceptionParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedImport=error
+org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
+org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
+org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation=info
+org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
+org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=error
+org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
 org.eclipse.jdt.core.compiler.source=1.8
diff --git a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/AnnotationHoverDelegate.java b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/AnnotationHoverDelegate.java
index 7eb4e2e..ba9f0e5 100644
--- a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/AnnotationHoverDelegate.java
+++ b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/AnnotationHoverDelegate.java
@@ -53,6 +53,7 @@
 		return this.delegate;
 	}
 
+	@Deprecated
 	@Override
 	public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
 		if (textViewer instanceof ISourceViewer) {
diff --git a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/CompositeContentAssistProcessor.java b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/CompositeContentAssistProcessor.java
index fece897..f3c9a97 100644
--- a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/CompositeContentAssistProcessor.java
+++ b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/CompositeContentAssistProcessor.java
@@ -67,18 +67,18 @@
 			char[] chars = processor.getCompletionProposalAutoActivationCharacters();
 			if (chars != null) {
 				for (char c : chars) {
-					res.add(c);
+					res.add(Character.valueOf(c));
 				}
 			}
 		}
 		return toCharArray(res);
 	}
 
-	private char[] toCharArray(Set<Character> chars) {
+	private static char[] toCharArray(Set<Character> chars) {
 		char[] res = new char[chars.size()];
 		int i = 0;
 		for (Character c : chars) {
-			res[i] = c;
+			res[i] = c.charValue();
 			i++;
 		}
 		return res;
@@ -91,7 +91,7 @@
 			char[] chars = processor.getContextInformationAutoActivationCharacters();
 			if (chars != null) {
 				for (char c : chars) {
-					res.add(c);
+					res.add(Character.valueOf(c));
 				}
 			}
 		}
@@ -110,9 +110,8 @@
 		}
 		if (res.length() == 0) {
 			return null;
-		} else {
-			return res.toString();
 		}
+		return res.toString();
 	}
 
 	@Override
diff --git a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/ExtensionBasedTextEditor.java b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/ExtensionBasedTextEditor.java
index bcbf846..26140d3 100644
--- a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/ExtensionBasedTextEditor.java
+++ b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/ExtensionBasedTextEditor.java
@@ -11,7 +11,6 @@
 package org.eclipse.ui.internal.genericeditor;
 
 import org.eclipse.core.runtime.CoreException;
-import org.eclipse.jface.text.IDocument;
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.editors.text.TextEditor;
 
diff --git a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/OrderedExtensionComparator.java b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/OrderedExtensionComparator.java
index b390daa..9d51ef0 100644
--- a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/OrderedExtensionComparator.java
+++ b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/OrderedExtensionComparator.java
@@ -49,7 +49,7 @@
 		if (before0 == null) {
 			return false;
 		}
-		if ("*".equals(before0)) {
+		if ("*".equals(before0)) { //$NON-NLS-1$
 			return true;
 		}
 		String id1 = arg1.getId();
@@ -71,7 +71,7 @@
 		if (after0 == null) {
 			return false;
 		}
-		if ("*".equals(after0)) {
+		if ("*".equals(after0)) { //$NON-NLS-1$
 			return true;
 		}
 		String id1 = arg1.getId();