tinyos.dlrc.utility.preferences.OldPluginPreferenceStore.java Source code

Introduction

Here is the source code for tinyos.dlrc.utility.preferences.OldPluginPreferenceStore.java

Source

/*
 * Dlrc 2, NesC development in Eclipse.
 * Copyright (C) 2009 DLRC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Web:  http://tos-ide.ethz.ch
 * Mail: tos-ide@tik.ee.ethz.ch
 */
package tinyos.dlrc.utility.preferences;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.ui.preferences.ScopedPreferenceStore;

/**
 * This wrapper for a {@link IPreferenceStore} reads values from another
 * store and transfers them to a new store. This procedure happens exactly one
 * time ever, and won't be repeated in future runs.
 * @author Benjamin Sigg
 */
public class OldPluginPreferenceStore implements IPreferenceStore {
    private IPreferenceStore oldStore;
    private IPreferenceStore delegate;
    private String oldSymbolicName;

    private Set<String> handled = new HashSet<String>();

    public OldPluginPreferenceStore(IPreferenceStore delegate, String oldSymbolicName) {
        this.delegate = delegate;
        this.oldSymbolicName = oldSymbolicName;
    }

    private void dig(String key) {
        if (handled.add(key)) {
            if (!delegate.getBoolean("digged_" + key)) {
                delegate.setValue("digged_" + key, true);
                IPreferenceStore old = openOld();
                if (!old.isDefault(key)) {
                    delegate.setValue(key, old.getString(key));
                }
            }
        }
    }

    private IPreferenceStore openOld() {
        if (oldStore == null) {
            oldStore = new ScopedPreferenceStore(new InstanceScope(), oldSymbolicName);
        }
        return oldStore;
    }

    public void addPropertyChangeListener(IPropertyChangeListener listener) {
        delegate.addPropertyChangeListener(listener);
    }

    public boolean contains(String name) {
        return delegate.contains(name);
    }

    public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) {
        delegate.firePropertyChangeEvent(name, oldValue, newValue);
    }

    public boolean getBoolean(String name) {
        dig(name);
        return delegate.getBoolean(name);
    }

    public boolean getDefaultBoolean(String name) {
        return delegate.getDefaultBoolean(name);
    }

    public double getDefaultDouble(String name) {
        return delegate.getDefaultDouble(name);
    }

    public float getDefaultFloat(String name) {
        return delegate.getDefaultFloat(name);
    }

    public int getDefaultInt(String name) {
        return delegate.getDefaultInt(name);
    }

    public long getDefaultLong(String name) {
        return delegate.getDefaultLong(name);
    }

    public String getDefaultString(String name) {
        return delegate.getDefaultString(name);
    }

    public double getDouble(String name) {
        dig(name);
        return delegate.getDouble(name);
    }

    public float getFloat(String name) {
        dig(name);
        return delegate.getFloat(name);
    }

    public int getInt(String name) {
        dig(name);
        return delegate.getInt(name);
    }

    public long getLong(String name) {
        dig(name);
        return delegate.getLong(name);
    }

    public String getString(String name) {
        dig(name);
        return delegate.getString(name);
    }

    public boolean isDefault(String name) {
        dig(name);
        return delegate.isDefault(name);
    }

    public boolean needsSaving() {
        return delegate.needsSaving();
    }

    public void putValue(String name, String value) {
        dig(name);
        delegate.putValue(name, value);
    }

    public void removePropertyChangeListener(IPropertyChangeListener listener) {
        delegate.removePropertyChangeListener(listener);
    }

    public void setDefault(String name, double value) {
        delegate.setDefault(name, value);
    }

    public void setDefault(String name, float value) {
        delegate.setDefault(name, value);
    }

    public void setDefault(String name, int value) {
        delegate.setDefault(name, value);
    }

    public void setDefault(String name, long value) {
        delegate.setDefault(name, value);
    }

    public void setDefault(String name, String defaultObject) {
        delegate.setDefault(name, defaultObject);
    }

    public void setDefault(String name, boolean value) {
        delegate.setDefault(name, value);
    }

    public void setToDefault(String name) {
        delegate.setToDefault(name);
    }

    public void setValue(String name, double value) {
        dig(name);
        delegate.setValue(name, value);
    }

    public void setValue(String name, float value) {
        dig(name);
        delegate.setValue(name, value);
    }

    public void setValue(String name, int value) {
        dig(name);
        delegate.setValue(name, value);
    }

    public void setValue(String name, long value) {
        dig(name);
        delegate.setValue(name, value);
    }

    public void setValue(String name, String value) {
        dig(name);
        delegate.setValue(name, value);
    }

    public void setValue(String name, boolean value) {
        dig(name);
        delegate.setValue(name, value);
    }
}