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/*******************************************************************************
* Copyright (c) 2006, 2008 IBM Corporation 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
*
* Initial Contributors:
* The following IBM employees contributed to the Remote System Explorer
* component that contains this file: David McKnight, Kushal Munir,
* Michael Berger, David Dykstal, Phil Coulthard, Don Yantzi, Eric Simpson,
* Emily Bruner, Mazen Faraj, Adrian Storisteanu, Li Ding, and Kent Hawley.
*
* Contributors:
* Martin Oberhuber (Wind River) - Added Javadoc.
* David McKnight (IBM) - [217715] [api] RSE property sets should support nested property sets
* David Dykstal (IBM) - [226561] Add API markup to RSE javadocs for extend / implement
*******************************************************************************/
package org.eclipse.rse.core.model;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Observable;
import java.util.Observer;
import java.util.Set;
/**
* A Hashmap based implementation of the {@link IPropertySet} interface.
*
* Not thread-safe since the underlying {@link java.util.HashMap} is
* not thread-safe.
* @noextend This class is not intended to be subclassed by clients.
* The standard extensions are included in the framework.
*/
public class PropertySet extends RSEModelObject implements IPropertySet, IRSEModelObject, ILabeledObject, Observer {
private String _name;
private String _label = null;
private String _description = null;
private Map _properties;
private IPropertySetContainer _container = null;
protected static IPropertyType _defaultType = PropertyType.getStringPropertyType();
/**
* Construct a new PropertySet based on an existing one (i.e. clone it).
* @param propertySet existing Property Set to clone
*/
public PropertySet(IPropertySet propertySet) {
_name = propertySet.getName();
_description = propertySet.getDescription();
_properties = new HashMap();
if (propertySet instanceof ILabeledObject) {
ILabeledObject p = (ILabeledObject) propertySet;
_label = p.getLabel();
}
String[] keys = propertySet.getPropertyKeys();
for (int i = 0; i < keys.length; i++) {
String key = keys[i];
IProperty property = propertySet.getProperty(key);
addProperty(key, new Property(property));
}
setDirty(true);
}
/**
* Construct a new empty PropertySet.
* @param name of the new PropertySet
*/
public PropertySet(String name) {
_name = name;
_properties = new HashMap();
setDirty(true);
}
public String getName() {
return _name;
}
public String getLabel() {
if (_label != null) return _label;
return _name;
}
public void setLabel(String label) {
_label = label;
setDirty(true);
}
public String getDescription() {
return _description;
}
public void setDescription(String description) {
_description = description;
setDirty(true);
}
public String[] getPropertyKeys() {
Set set = _properties.keySet();
return (String[]) set.toArray(new String[set.size()]);
}
public void setName(String name) {
_name = name;
setDirty(true);
}
public void setProperties(Map map) {
_properties = new HashMap(map.size());
for (Iterator z = map.keySet().iterator(); z.hasNext();) {
String key = (String) z.next();
Object value = map.get(key);
if (value instanceof IProperty) {
addProperty(key, (IProperty)value);
} else if (value instanceof String) {
addProperty(key, (String)value);
}
}
}
/**
* Add a typed Property to the set.
*
* In case a Property already exists for the given key, it will be overwritten.
*
* @param key Key to add
* @param property The Property to add
* @return The added Property
*/
public IProperty addProperty(String key, IProperty property) {
_properties.put(key, property);
setDirty(true);
return property;
}
public IProperty addProperty(String key, String value) {
IProperty property = getProperty(key);
if (property != null) {
//FIXME should throw a NumberFormatException or similar,
//if the value does not fit the type of the existing property.
property.setValue(value);
} else {
property = addProperty(key, value, _defaultType);
}
return property;
}
public IProperty addProperty(String key, String value, IPropertyType type) {
IProperty property = new Property(key, value, type, true);
return addProperty(key, property);
}
public boolean removeProperty(String key) {
Object value = _properties.remove(key);
if (value == null) return false;
setDirty(true);
return true;
}
public IProperty getProperty(String key) {
return (IProperty) _properties.get(key);
}
public String getPropertyValue(String key) {
IProperty property = getProperty(key);
if (property != null) {
return property.getValue();
}
return null;
}
public IPropertyType getPropertyType(String key) {
IProperty property = getProperty(key);
if (property != null) {
return property.getType();
}
return null;
}
public boolean commit() {
return getPersistableParent().commit();
}
public IRSEPersistableContainer[] getPersistableChildren() {
return IRSEPersistableContainer.NO_CHILDREN;
}
public IRSEPersistableContainer getPersistableParent() {
IRSEPersistableContainer result = null;
if (_container instanceof IRSEPersistableContainer) {
result = (IRSEPersistableContainer) _container;
}
return result;
}
public void setContainer(IPropertySetContainer container) {
_container = container;
}
public IPropertySetContainer getContainer() {
return _container;
}
public void update(Observable o, Object arg) {
setDirty(true);
}
}
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