Removes unsed import from FileViewer

Also sets unused import to error in the project settings.

Change-Id: Ia0b87f84d94e86c1241566efc5ca2bcacba9b8f3
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>

2 files changed, 12 insertions, 2 deletions

diff --git a/examples/org.eclipse.swt.examples/.settings/org.eclipse.jdt.core.prefs b/examples/org.eclipse.swt.examples/.settings/org.eclipse.jdt.core.prefs
index 127a8df859..3b2b97a87c 100644
--- a/examples/org.eclipse.swt.examples/.settings/org.eclipse.jdt.core.prefs
+++ b/examples/org.eclipse.swt.examples/.settings/org.eclipse.jdt.core.prefs
@@ -2,8 +2,11 @@ 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
@@ -13,6 +16,7 @@ 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.APILeak=warning
 org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.autoboxing=ignore
@@ -50,12 +54,14 @@ org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
 org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
 org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
 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=warning
 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=ignore
 org.eclipse.jdt.core.compiler.problem.potentialNullReference=ignore
 org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=ignore
@@ -72,21 +78,26 @@ 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.terminalDeprecation=warning
 org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
 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=ignore
 org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.unlikelyCollectionMethodArgumentType=warning
+org.eclipse.jdt.core.compiler.problem.unlikelyCollectionMethodArgumentTypeStrict=disabled
+org.eclipse.jdt.core.compiler.problem.unlikelyEqualsArgumentType=info
 org.eclipse.jdt.core.compiler.problem.unnecessaryElse=ignore
 org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=ignore
 org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unstableAutoModuleName=warning
 org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=ignore
 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=warning
+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=ignore
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/FileViewer.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/FileViewer.java
index 41925732e5..0d4d3866a1 100644
--- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/FileViewer.java
+++ b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/fileviewer/FileViewer.java
@@ -17,7 +17,6 @@ package org.eclipse.swt.examples.fileviewer;
 import static org.eclipse.swt.events.SelectionListener.widgetSelectedAdapter;
 
 import java.io.File;
-import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;