| /******************************************************************************* |
| * Copyright (c) 2007, 2008 Innoopract Informationssysteme GmbH. |
| * 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: |
| * Innoopract Informationssysteme GmbH - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.rwt.internal.theme; |
| |
| public final class QxImage implements QxType { |
| |
| private static final String NONE_INPUT = "none"; |
| |
| public static final QxImage NONE = new QxImage( true, null, null ); |
| |
| public final boolean none; |
| |
| public final String path; |
| |
| public final ResourceLoader loader; |
| |
| /** |
| * Creates a new image from the given value. |
| * |
| * @param path the definition string to create the image from. Either |
| * <code>none</code> or a path to an image |
| * @param loader a resource loader which is able to load the image from the |
| * given path |
| */ |
| private QxImage( final boolean none, |
| final String path, |
| final ResourceLoader loader ) |
| { |
| this.none = none; |
| this.path = path; |
| this.loader = loader; |
| } |
| |
| public static QxImage valueOf( final String input, final ResourceLoader loader ) |
| { |
| QxImage result; |
| if( NONE_INPUT.equals( input ) ) { |
| result = NONE; |
| } else { |
| if( input == null || loader == null ) { |
| throw new NullPointerException( "null argument" ); |
| } |
| if( input.length() == 0 ) { |
| throw new IllegalArgumentException( "Empty image path" ); |
| } |
| result = new QxImage( false, input, loader ); |
| } |
| return result; |
| } |
| |
| public String toDefaultString() { |
| // returns an empty string, because the default resource path is only valid |
| // for the bundle that specified it |
| return none ? NONE_INPUT : ""; |
| } |
| |
| public boolean equals( final Object object ) { |
| boolean result = false; |
| if( object == this ) { |
| result = true; |
| } else if( object instanceof QxImage ) { |
| QxImage other = ( QxImage )object; |
| result = path != null |
| && path.equals( other.path ) |
| && loader != null |
| && loader.equals( other.loader ); |
| } |
| return result; |
| } |
| |
| public int hashCode() { |
| return path.hashCode(); |
| } |
| |
| public String toString() { |
| return "QxImage{ " |
| + ( none ? NONE_INPUT : path ) |
| + " }"; |
| } |
| } |