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/****************************************************************************
* Copyright (c) 2008 Composent, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.internal.storage;
import org.eclipse.ecf.core.identity.*;
import org.eclipse.ecf.storage.*;
import org.eclipse.equinox.security.storage.*;
/**
*
*/
public class IDStore implements IIDStore {
private static final String idStoreNameSegment = "/ECF/ID Store/"; //$NON-NLS-1$
private static final String NSSEPARATOR = ":"; //$NON-NLS-1$
/* (non-Javadoc)
* @see org.eclipse.ecf.storage.IIDStore#getNode(org.eclipse.ecf.core.identity.ID)
*/
public ISecurePreferences getNode(ID id) {
if (id == null)
return null;
final ISecurePreferences root = SecurePreferencesFactory.getDefault();
if (root == null)
return null;
final String idAsString = getIDAsString(id);
if (idAsString == null)
return null;
final String path = idStoreNameSegment + EncodingUtils.encodeSlashes(idAsString);
return root.node(path);
}
private String getIDAsString(ID id) {
final Namespace ns = id.getNamespace();
final INamespaceStoreAdapter nsadapter = (INamespaceStoreAdapter) ns.getAdapter(INamespaceStoreAdapter.class);
final String nsName = (nsadapter != null) ? nsadapter.getNameForStorage() : ns.getName();
if (nsName == null)
return null;
final IIDStoreAdapter idadapter = (IIDStoreAdapter) id.getAdapter(IIDStoreAdapter.class);
final String idName = (idadapter != null) ? idadapter.getNameForStorage() : id.toExternalForm();
if (idName == null || idName.equals("")) //$NON-NLS-1$
return null;
return nsName + NSSEPARATOR + idName;
}
/* (non-Javadoc)
* @see org.eclipse.ecf.storage.IIDStore#createID(org.eclipse.equinox.security.storage.ISecurePreferences)
*/
public ID createID(ISecurePreferences node) throws IDCreateException {
if (node == null)
throw new IDCreateException("Node cannot be null"); //$NON-NLS-1$
final String nodeName = node.name();
if (nodeName == null)
throw new IDCreateException("Node name cannot be null"); //$NON-NLS-1$
final int index = nodeName.indexOf(NSSEPARATOR);
if (index == -1)
throw new IDCreateException("Namespace name not found"); //$NON-NLS-1$
final String nsName = nodeName.substring(0, index);
final Namespace ns = IDFactory.getDefault().getNamespaceByName(nsName);
if (ns == null)
throw new IDCreateException("Namespace cannot be found"); //$NON-NLS-1$
final String idName = nodeName.substring(index + NSSEPARATOR.length());
return IDFactory.getDefault().createID(ns, idName);
}
}
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