/*******************************************************************************
* Copyright (c) 2006 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.viewers;
import java.util.HashMap;
import java.util.Map;
/**
* A concrete implementation of the {@link IDecorationContext} interface,
* suitable for instantiating.
* <p>
* This class is not intended to be subclassed.
* </p>
* @since 1.0
*/
public class DecorationContext implements IDecorationContext {
/**
* Constant that defines a default decoration context that has
* no context ids associated with it.
*/
public static final IDecorationContext DEFAULT_CONTEXT = new DecorationContext();
private Map properties = new HashMap();
/**
* Create a decoration context.
*/
public DecorationContext() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IDecorationContext#getProperty(java.lang.String)
*/
public Object getProperty(String property) {
return properties.get(property);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IDecorationContext#getProperties()
*/
public String[] getProperties() {
return (String[]) properties.keySet().toArray(new String[properties.size()]);
}
/**
* Set the given property to the given value. Setting the value of
* a property to <code>null</code> removes the property from
* the context.
* @param property the property
* @param value the value of the property or <code>null</code>
* if the property is to be removed.
*/
public void putProperty(String property, Object value) {
if (value == null) {
properties.remove(property);
} else {
properties.put(property, value);
}
}
}