src/plugins/certmanager/src/com/motorolamobility/studio/android/certmanager/ui/model/KeyStoreRootNode.java

/*
 * 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.ui.model;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.eclipse.jface.resource.ImageDescriptor;

import com.motorola.studio.android.common.log.StudioLogger;
import com.motorolamobility.studio.android.certmanager.core.PasswordProvider;
import com.motorolamobility.studio.android.certmanager.event.KeyStoreModelEvent;
import com.motorolamobility.studio.android.certmanager.event.KeyStoreModelEventManager;
import com.motorolamobility.studio.android.certmanager.exception.KeyStoreManagerException;
import com.motorolamobility.studio.android.certmanager.i18n.CertificateManagerNLS;
import com.motorolamobility.studio.android.certmanager.views.KeystoreManagerView;

/**
 * Node that is the parent of keyStores (root node of {@link KeystoreManagerView})
 */
public class KeyStoreRootNode extends AbstractTreeNode
{
    //Map from absolute file path to KeyStoreModel
    private final List<ITreeNode> keyStores = new ArrayList<ITreeNode>();

    /**
     * Adds keystore to root node of the tree
     * @param keyStoreModel
     * @throws KeyStoreManagerException if the keystore is already listed in the tree 
     */
    public void addKeyStoreNode(KeyStoreNode keyStoreModel) throws KeyStoreManagerException
    {
        if (!keyStores.contains(keyStoreModel))
        {
            keyStores.add(keyStoreModel);
            keyStoreModel.setParent(this);

            KeyStoreModelEventManager.getInstance().fireEvent(keyStoreModel,
                    KeyStoreModelEvent.EventType.ADD);
        }
        else
        {
            //error - notify 
            throw new KeyStoreManagerException(CertificateManagerNLS.bind(
                    CertificateManagerNLS.KeyStoreRootNode_Error_AlreadyMappedKeystorePath,
                    keyStoreModel.getFile().getAbsolutePath()));
        }
    }

    public void removeKeyStore(KeyStoreNode keyStoreModel)
    {
        keyStores.remove(keyStoreModel);
        KeyStoreModelEventManager.getInstance().fireEvent(keyStoreModel,
                KeyStoreModelEvent.EventType.REMOVE);
        File keysToreFile = keyStoreModel.getFile();

        PasswordProvider password = new PasswordProvider(keysToreFile);

        try
        {
            password.deleteKeyStoreSavedPasswordNode();
        }
        catch (KeyStoreManagerException e)
        {
            StudioLogger.error("Error while accessing keystore manager. " + e.getMessage());
        }

    }

    @Override
    public void refresh()
    {
        //Not necessary, root nod can't be refreshed
    }

    @Override
    public String getId()
    {
        return ""; //not necessary - root node //$NON-NLS-1$
    }

    @Override
    public String getName()
    {
        return ""; //not necessary - root node //$NON-NLS-1$
    }

    @Override
    public ImageDescriptor getIcon()
    {
        return null; //not necessary - root node
    }

    @Override
    public boolean isLeaf()
    {
        return false; //root node
    }

    @Override
    public ITreeNode getParent()
    {
        return null; //invisible node
    }

    @Override
    public List<ITreeNode> getChildren()
    {
        return new ArrayList<ITreeNode>(keyStores);
    }

}