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/*******************************************************************************
* Copyright (c) 2006, 2008 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.db.internal;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jpt.db.Catalog;
import org.eclipse.jpt.db.ConnectionListener;
import org.eclipse.jpt.db.ConnectionProfile;
import org.eclipse.jpt.db.Database;
import org.eclipse.jpt.db.Schema;
import org.eclipse.jpt.utility.internal.ClassTools;
/**
* "null" connection profile
*/
final class NullConnectionProfile
implements ConnectionProfile
{
private static final String EMPTY_STRING = ""; //$NON-NLS-1$
// ********** singleton **********
private static final NullConnectionProfile INSTANCE = new NullConnectionProfile();
static ConnectionProfile instance() {
return INSTANCE;
}
/**
* 'private' to ensure singleton
*/
private NullConnectionProfile() {
super();
}
// ********** ConnectionProfile implementation **********
public void connect() {
// do nothing
}
public void disconnect() {
// do nothing
}
public IStatus saveWorkOfflineData() {
return Status.CANCEL_STATUS;
}
public IStatus workOffline() {
return Status.CANCEL_STATUS;
}
public Database getDatabase() {
return NullDatabase.instance();
}
public String getName() {
return ClassTools.shortClassNameForObject(this);
}
public String getDatabaseName() {
return EMPTY_STRING;
}
public String getDatabaseProduct() {
return EMPTY_STRING;
}
public String getDatabaseVendor() {
return EMPTY_STRING;
}
public String getDatabaseVersion() {
return EMPTY_STRING;
}
public String getUserName() {
return EMPTY_STRING;
}
public String getUserPassword() {
return EMPTY_STRING;
}
public String getDriverClassName() {
return EMPTY_STRING;
}
public String getUrl() {
return EMPTY_STRING;
}
public String getInstanceID() {
return EMPTY_STRING;
}
public String getProviderID() {
return EMPTY_STRING;
}
public String getDriverDefinitionID() {
return EMPTY_STRING;
}
public String getDriverJarList() {
return EMPTY_STRING;
}
public boolean isActive() {
return false;
}
public boolean isWorkingOffline() {
return false;
}
public boolean isConnected() {
return false;
}
public boolean supportsWorkOfflineMode() {
return false;
}
public boolean canWorkOffline() {
return false;
}
public void addConnectionListener( ConnectionListener listener) {
// do nothing
}
public void removeConnectionListener( ConnectionListener listener) {
// do nothing
}
public Schema getDefaultSchema() {
return null;
}
public Catalog getDefaultCatalog() {
return null;
}
public boolean isNull() {
return true;
}
// ********** Comparable implementation **********
public int compareTo(ConnectionProfile o) {
throw new UnsupportedOperationException("the \"null\" connection profile should not be in a sorted list"); //$NON-NLS-1$
}
// ********** Object overrides **********
@Override
public String toString() {
return ClassTools.toStringClassNameForObject(this);
}
}
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