package org.kie.eclipse.navigator.preferences;
import org.eclipse.core.runtime.ListenerList;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import com.eclipsesource.json.JsonObject;
import com.eclipsesource.json.JsonValue;
public class JsonPreferenceStore implements IPreferenceStore {
/** The JSON object that is acting as the store **/
private JsonObject object;
boolean dirty = false;
/** Listeners on this store */
private ListenerList fListeners= new ListenerList(ListenerList.IDENTITY);
public JsonPreferenceStore(JsonObject object) {
this.object = object;
}
/**
* {@inheritDoc}
*/
public void addPropertyChangeListener(IPropertyChangeListener listener) {
fListeners.add(listener);
}
/**
* {@inheritDoc}
*/
public void removePropertyChangeListener(IPropertyChangeListener listener) {
fListeners.remove(listener);
}
/**
* {@inheritDoc}
*/
public boolean contains(String name) {
JsonValue value = object.get(name);
return value!=null;
}
/**
* {@inheritDoc}
*/
public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) {
firePropertyChangeEvent(this, name, oldValue, newValue);
}
/**
* Fires a property change event with the given source, property name, old and new value. Used
* when the event source should be different from this mockup preference store.
* @param source The event source
* @param name The property name
* @param oldValue The property's old value
* @param newValue The property's new value
*/
public void firePropertyChangeEvent(Object source, String name, Object oldValue, Object newValue) {
PropertyChangeEvent event= new PropertyChangeEvent(source, name, oldValue, newValue);
Object[] listeners= fListeners.getListeners();
for (int i= 0; i < listeners.length; i++)
((IPropertyChangeListener) listeners[i]).propertyChange(event);
}
/**
* {@inheritDoc}
*/
public boolean getBoolean(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public boolean getDefaultBoolean(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public double getDefaultDouble(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public float getDefaultFloat(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public int getDefaultInt(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public long getDefaultLong(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public String getDefaultString(String name) {
return null;
}
/**
* {@inheritDoc}
*/
public double getDouble(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public float getFloat(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public int getInt(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public long getLong(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public String getString(String name) {
JsonValue value = object.get(name);
if (value!=null)
return value.asString();
return "";
}
/**
* {@inheritDoc}
*/
public boolean isDefault(String name) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public boolean needsSaving() {
return dirty;
}
/**
* {@inheritDoc}
*/
public void putValue(String name, String value) {
object.set(name, value);
dirty = true;
}
/**
* {@inheritDoc}
*/
public void setDefault(String name, double value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setDefault(String name, float value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setDefault(String name, int value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setDefault(String name, long value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setDefault(String name, String defaultObject) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setDefault(String name, boolean value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setToDefault(String name) {
setValue(name, getDefaultString(name));
}
/**
* {@inheritDoc}
*/
public void setValue(String name, double value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setValue(String name, float value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setValue(String name, int value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setValue(String name, long value) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
public void setValue(String name, String value) {
String oldValue = this.getString(name);
putValue(name, value);
firePropertyChangeEvent(name, oldValue, value);
}
/**
* {@inheritDoc}
*/
public void setValue(String name, boolean value) {
throw new UnsupportedOperationException();
}
}