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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.motorolamobility.studio.android.certmanager.command;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import com.motorola.studio.android.common.utilities.EclipseUtils;
import com.motorolamobility.studio.android.certmanager.exception.KeyStoreManagerException;
import com.motorolamobility.studio.android.certmanager.i18n.CertificateManagerNLS;
import com.motorolamobility.studio.android.certmanager.ui.model.EntryNode;
import com.motorolamobility.studio.android.certmanager.ui.model.IKeyStore;
import com.motorolamobility.studio.android.certmanager.ui.model.ITreeNode;
import com.motorolamobility.studio.android.certmanager.views.KeystoreManagerView;
/**
* This class deletes the key entry from the tree of the {@link KeystoreManagerView}
* */
public class DeleteKeyHandler extends AbstractHandler2 implements IHandler
{
/*
* Question dialog confirming deletion of the key with a toggle
* asking if the key should also be deleted from the filesystem
* @return true if the deletion is confirmed, false otherwise and true in the
* toggleState if it can also be deleted from the filesystem, false otherwise
*/
private boolean showQuestion(List<ITreeNode> nodesToDelete)
{
final Boolean[] reply = new Boolean[1];
final String entryName = nodesToDelete.size() == 1 ? nodesToDelete.get(0).getName() : null;
PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable()
{
@Override
public void run()
{
IWorkbench workbench = PlatformUI.getWorkbench();
IWorkbenchWindow ww = workbench.getActiveWorkbenchWindow();
Shell shell = ww.getShell();
reply[0] =
MessageDialog
.openQuestion(
shell,
CertificateManagerNLS.DeleteKeyHandler_ConfirmationQuestionDialog_Title,
entryName != null
? CertificateManagerNLS
.bind(CertificateManagerNLS.DeleteKeyHandler_ConfirmationQuestionDialog_Description,
entryName)
: CertificateManagerNLS.DeleteKeyHandler_Delete_Selected_Keys);
}
});
return reply[0];
}
@Override
public Object execute(ExecutionEvent event) throws ExecutionException
{
List<ITreeNode> nodesToDelete = getSelection();
if (!nodesToDelete.isEmpty())
{
boolean shouldProceed = showQuestion(nodesToDelete);
if (shouldProceed)
{
Map<IKeyStore, List<String>> deleteNodesMap = getKeysMap(nodesToDelete);
for (IKeyStore keyStore : deleteNodesMap.keySet())
{
try
{
keyStore.removeKeys(deleteNodesMap.get(keyStore));
}
catch (KeyStoreManagerException e)
{
EclipseUtils.showErrorDialog(e);
throw new ExecutionException(e.getMessage(), e);
}
}
}
}
nodesToDelete.clear();
return null;
}
private Map<IKeyStore, List<String>> getKeysMap(List<ITreeNode> nodesToDelete)
{
Map<IKeyStore, List<String>> deleteNodesMap = new HashMap<IKeyStore, List<String>>();
for (ITreeNode node2Delete : nodesToDelete)
{
if (node2Delete instanceof EntryNode)
{
EntryNode entryNode = (EntryNode) node2Delete;
IKeyStore iKeyStore = (IKeyStore) entryNode.getParent();
List<String> keyList = deleteNodesMap.get(iKeyStore);
if (keyList == null)
{
keyList = new ArrayList<String>();
}
keyList.add(entryNode.getAlias());
deleteNodesMap.put(iKeyStore, keyList);
}
}
return deleteNodesMap;
}
}
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