Bug 221649 [Import/Export] ZipFileImportWizard has no option to change the FILE_IMPORT_MASK
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardArchiveFileResourceImportPage1.java
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package org.eclipse.ui.internal.wizards.datatransfer;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.model.AdaptableList;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.wizards.datatransfer.ImportOperation;
/**
 *	Page 1 of the base resource import-from-archive Wizard.
 *
 *	Note that importing from .jar is identical to importing from .zip, so
 *	all references to .zip in this class are equally applicable to .jar
 *	references.
 *
 *	@since 3.1
 */
public class WizardArchiveFileResourceImportPage1 extends