org.kalypso.model.wspm.pdb.internal.connect.AbstractSettings.java Source code

Introduction

Here is the source code for org.kalypso.model.wspm.pdb.internal.connect.AbstractSettings.java

Source

/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 * 
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 * 
 *  and
 *  
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 * 
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 * 
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 * 
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 *  Contact:
 * 
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *   
 *  ---------------------------------------------------------------------------*/
package org.kalypso.model.wspm.pdb.internal.connect;

import java.util.Properties;
import java.util.Set;

import org.apache.commons.lang3.StringUtils;
import org.eclipse.equinox.security.storage.ISecurePreferences;
import org.eclipse.equinox.security.storage.StorageException;
import org.kalypso.model.wspm.pdb.connect.IPdbSettings;

/**
 * @author Gernot Belger
 */
public abstract class AbstractSettings implements IPdbSettings {
    protected static final String PROPERTY_NAME = "name";//$NON-NLS-1$

    public static final String PROPERTY_PASSWORD = "password";//$NON-NLS-1$

    private final Properties m_properties = new Properties();

    public AbstractSettings(final String name) {
        setName(name);
    }

    public AbstractSettings(final String name, final AbstractSettings settings) {
        setName(name);
        m_properties.putAll(settings.m_properties);
    }

    public final void setName(final String name) {
        m_properties.put(PROPERTY_NAME, name);
    }

    @Override
    public final String getName() {
        return getProperty(PROPERTY_NAME);
    }

    @Override
    public int compareTo(final IPdbSettings o) {
        final String n1 = getName();
        final String n2 = o.getName();

        return n1.compareToIgnoreCase(n2);
    }

    protected String getProperty(final String name, final String defaultValue) {
        final String property = m_properties.getProperty(name, defaultValue);
        if (StringUtils.isBlank(property))
            return defaultValue;

        return property;
    }

    protected String getProperty(final String name) {
        return getProperty(name, getDefaultValue(name));
    }

    protected void setProperty(final String name, final String value) {
        m_properties.setProperty(name, value);
    }

    protected abstract String getDefaultValue(final String property);

    @Override
    public void saveState(final ISecurePreferences preferences) throws StorageException {
        final Set<String> names = m_properties.stringPropertyNames();
        for (final String name : names) {
            final boolean encrypt = PROPERTY_PASSWORD.equals(name);
            final String value = m_properties.getProperty(name);
            preferences.put(name, value, encrypt);
        }
    }

    @Override
    public void readState(final ISecurePreferences preferences) throws StorageException {
        final String[] keys = preferences.keys();
        for (final String key : keys) {
            final String value = preferences.get(key, null);
            m_properties.setProperty(key, value);
        }
    }

}