/****************************************************************************
* 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 java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IAdapterManager;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.identity.Namespace;
import org.eclipse.ecf.storage.*;
import org.eclipse.equinox.security.storage.*;
/**
*
*/
public class IDStore implements IIDStore {
private static final String idStoreNameSegment = "/ECF/Namespace"; //$NON-NLS-1$
private static final INamespaceEntry[] EMPTY_ARRAY = {};
private String getIDAsString(ID id) {
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 EncodingUtils.encodeSlashes(idName);
}
protected ISecurePreferences getRoot() {
return SecurePreferencesFactory.getDefault();
}
protected ISecurePreferences getNamespaceRoot() {
ISecurePreferences root = getRoot();
if (root == null)
return null;
return root.node(idStoreNameSegment);
}
/* (non-Javadoc)
* @see org.eclipse.ecf.storage.IIDStore#getEntry(org.eclipse.ecf.core.identity.ID)
*/
public IIDEntry store(ID id) {
ISecurePreferences namespaceRoot = getNamespaceRoot();
if (namespaceRoot == null)
return null;
INamespaceEntry namespaceEntry = getNamespaceEntry(id.getNamespace());
final String idAsString = getIDAsString(id);
if (idAsString == null)
return null;
return new IDEntry(namespaceEntry.getPreferences().node(idAsString));
}
/* (non-Javadoc)
* @see org.eclipse.ecf.storage.IIDStore#getNamespaceEntries()
*/
public INamespaceEntry[] getNamespaceEntries() {
ISecurePreferences namespaceRoot = getNamespaceRoot();
if (namespaceRoot == null)
return EMPTY_ARRAY;
List results = new ArrayList();
String names[] = namespaceRoot.childrenNames();
for (int i = 0; i < names.length; i++)
results.add(new NamespaceEntry(namespaceRoot.node(names[i])));
return (INamespaceEntry[]) results.toArray(new INamespaceEntry[] {});
}
/* (non-Javadoc)
* @see org.eclipse.ecf.storage.IIDStore#getNamespaceEntry(org.eclipse.ecf.core.identity.Namespace)
*/
public INamespaceEntry getNamespaceEntry(Namespace namespace) {
if (namespace == null)
return null;
final INamespaceStoreAdapter nsadapter = (INamespaceStoreAdapter) namespace.getAdapter(INamespaceStoreAdapter.class);
final String nsName = (nsadapter != null) ? nsadapter.getNameForStorage() : namespace.getName();
if (nsName == null)
return null;
ISecurePreferences namespaceRoot = getNamespaceRoot();
if (namespaceRoot == null)
return null;
return new NamespaceEntry(namespaceRoot.node(nsName));
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
*/
public Object getAdapter(Class adapter) {
if (adapter == null)
return null;
if (adapter.isInstance(this)) {
return this;
}
IAdapterManager adapterManager = Activator.getDefault().getAdapterManager();
return (adapterManager == null) ? null : adapterManager.loadAdapter(this, adapter.getName());
}
}