| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.internal.expressions; |
| |
| import org.osgi.framework.Bundle; |
| |
| import org.eclipse.core.expressions.IPropertyTester; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| |
| public class PropertyTesterDescriptor implements IPropertyTester { |
| |
| private IConfigurationElement fConfigElement; |
| private String fNamespace; |
| private String fProperties; |
| |
| private static final String PROPERTIES= "properties"; //$NON-NLS-1$ |
| private static final String NAMESPACE= "namespace"; //$NON-NLS-1$ |
| private static final String CLASS= "class"; //$NON-NLS-1$ |
| |
| public PropertyTesterDescriptor(IConfigurationElement element) throws CoreException { |
| fConfigElement= element; |
| fNamespace= fConfigElement.getAttribute(NAMESPACE); |
| if (fNamespace == null) { |
| throw new CoreException(new Status(IStatus.ERROR, ExpressionPlugin.getPluginId(), |
| IStatus.ERROR, |
| ExpressionMessages.PropertyTesterDescriptor_no_namespace, |
| null)); |
| } |
| StringBuilder buffer= new StringBuilder(","); //$NON-NLS-1$ |
| String properties= element.getAttribute(PROPERTIES); |
| if (properties == null) { |
| throw new CoreException(new Status(IStatus.ERROR, ExpressionPlugin.getPluginId(), |
| IStatus.ERROR, |
| ExpressionMessages.PropertyTesterDescritpri_no_properties, |
| null)); |
| } |
| for (int i= 0; i < properties.length(); i++) { |
| char ch= properties.charAt(i); |
| if (!Character.isWhitespace(ch)) |
| buffer.append(ch); |
| } |
| buffer.append(','); |
| fProperties= buffer.toString(); |
| } |
| |
| public PropertyTesterDescriptor(IConfigurationElement element, String namespace, String properties) { |
| fConfigElement= element; |
| fNamespace= namespace; |
| fProperties= properties; |
| } |
| |
| public String getProperties() { |
| return fProperties; |
| } |
| |
| public String getNamespace() { |
| return fNamespace; |
| } |
| |
| public IConfigurationElement getConfigurationElement() { |
| return fConfigElement; |
| } |
| |
| @Override |
| public boolean handles(String namespace, String property) { |
| return fNamespace.equals(namespace) && fProperties.contains("," + property + ","); //$NON-NLS-1$//$NON-NLS-2$ |
| } |
| |
| @Override |
| public boolean isInstantiated() { |
| return false; |
| } |
| |
| @Override |
| public boolean isDeclaringPluginActive() { |
| Bundle fBundle= Platform.getBundle(fConfigElement.getContributor().getName()); |
| return fBundle.getState() == Bundle.ACTIVE; |
| } |
| |
| @Override |
| public IPropertyTester instantiate() throws CoreException { |
| return (IPropertyTester)fConfigElement.createExecutableExtension(CLASS); |
| } |
| |
| @Override |
| public boolean test(Object receiver, String method, Object[] args, Object expectedValue) { |
| Assert.isTrue(false, "Method should never be called"); //$NON-NLS-1$ |
| return false; |
| } |
| } |