| /* |
| * Copyright (c) 2011, 2012, 2015 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.net4j.util.properties; |
| |
| import org.eclipse.core.expressions.PropertyTester; |
| |
| import java.util.List; |
| |
| /** |
| * Tests properties of receiver objects against expected values. |
| * |
| * @author Eike Stepper |
| * @since 3.2 |
| */ |
| public class DefaultPropertyTester<RECEIVER> extends PropertyTester implements IProperties<RECEIVER> |
| { |
| private final String namespace; |
| |
| private final IProperties<RECEIVER> properties; |
| |
| public DefaultPropertyTester(String namespace, IProperties<RECEIVER> properties) |
| { |
| this.namespace = namespace; |
| this.properties = properties; |
| } |
| |
| public final String getNamespace() |
| { |
| return namespace; |
| } |
| |
| public Class<RECEIVER> getReceiverType() |
| { |
| return properties.getReceiverType(); |
| } |
| |
| public Property<RECEIVER> getProperty(String name) |
| { |
| return properties.getProperty(name); |
| } |
| |
| public List<Property<RECEIVER>> getProperties() |
| { |
| return properties.getProperties(); |
| } |
| |
| public void add(Property<RECEIVER> property) |
| { |
| properties.add(property); |
| } |
| |
| public boolean test(Object receiver, String propertyName, Object[] args, Object expectedValue) |
| { |
| Property<RECEIVER> property = getProperty(propertyName); |
| if (property == null) |
| { |
| return false; |
| } |
| |
| if (!getReceiverType().isInstance(receiver)) |
| { |
| receiver = convertReceiver(receiver); |
| } |
| |
| @SuppressWarnings("unchecked") |
| RECEIVER typed = (RECEIVER)receiver; |
| return property.testValue(typed, args, expectedValue); |
| } |
| |
| /** |
| * @since 3.5 |
| */ |
| protected RECEIVER convertReceiver(Object receiver) |
| { |
| return null; |
| } |
| |
| /** |
| * @since 3.5 |
| */ |
| protected String getReceiverTypeName() |
| { |
| return getReceiverType().getName(); |
| } |
| |
| public void dumpContributionMarkup() |
| { |
| System.out.println(" <extension point=\"org.eclipse.core.expressions.propertyTesters\">"); |
| System.out.println(" <propertyTester"); |
| System.out.println(" id=\"" + getNamespace() + ".properties\""); |
| System.out.println(" type=\"" + getReceiverTypeName() + "\""); |
| System.out.println(" namespace=\"" + getNamespace() + "\""); |
| System.out.print(" properties=\""); |
| |
| boolean first = true; |
| for (Property<RECEIVER> property : getProperties()) |
| { |
| if (first) |
| { |
| first = false; |
| } |
| else |
| { |
| System.out.print(","); |
| } |
| |
| System.out.print(property.getName()); |
| } |
| |
| System.out.println("\""); |
| System.out.println(" class=\"" + getClass().getName() + "\"/>"); |
| System.out.println(" </extension>"); |
| |
| } |
| } |