| /***************************************************************************** |
| * Copyright (c) 2013, 2017 CEA LIST. |
| * |
| * All rights reserved. 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: |
| * CEA LIST - Initial API and implementation |
| *****************************************************************************/ |
| package org.eclipse.papyrus.cdo.core.util; |
| |
| import org.eclipse.emf.cdo.eresource.CDOResourceNode; |
| import org.eclipse.emf.common.util.URI; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| |
| /** |
| * This is the CDOPredicates type. Enjoy. |
| */ |
| public class CDOPredicates { |
| |
| // Not instantiable by clients. |
| private CDOPredicates() { |
| super(); |
| } |
| |
| public static <T> Predicate<T> adaptsTo(Class<?> adapterType) { |
| return Predicates.<T, Object> compose(Predicates.notNull(), CDOFunctions.<T, Object> adapt(adapterType)); |
| } |
| |
| public static Predicate<CDOResourceNode> hasExtension(String fileExtension) { |
| return (fileExtension == null) ? new HasNoExtension() : new HasExtension(fileExtension); |
| } |
| |
| public static Predicate<CDOResourceNode> hasURIPrefix(URI prefix) { |
| if (!prefix.isPrefix()) { |
| throw new IllegalArgumentException("not a URI prefix"); //$NON-NLS-1$ |
| } |
| |
| return new HasURIPrefix(prefix); |
| } |
| |
| // |
| // Nested types |
| // |
| |
| private static final class HasExtension implements Predicate<CDOResourceNode> { |
| |
| private final String fileExtension; |
| |
| HasExtension(String fileExtension) { |
| this.fileExtension = fileExtension; |
| } |
| |
| @Override |
| public boolean apply(CDOResourceNode input) { |
| return fileExtension.equals(input.getURI().fileExtension()); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("hasExtension(%s)", fileExtension); //$NON-NLS-1$ |
| } |
| |
| @Override |
| public int hashCode() { |
| return fileExtension.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| return (other instanceof HasExtension) && ((HasExtension) other).fileExtension.equals(fileExtension); |
| } |
| } |
| |
| private static final class HasNoExtension implements Predicate<CDOResourceNode> { |
| |
| HasNoExtension() { |
| super(); |
| } |
| |
| @Override |
| public boolean apply(CDOResourceNode input) { |
| return input.getURI().fileExtension() == null; |
| } |
| |
| @Override |
| public String toString() { |
| return "hasNoExtension()"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public int hashCode() { |
| return HasNoExtension.class.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| return (other instanceof HasNoExtension); |
| } |
| } |
| |
| private static final class HasURIPrefix implements Predicate<CDOResourceNode> { |
| |
| private final URI prefix; |
| |
| HasURIPrefix(URI prefix) { |
| this.prefix = prefix; |
| } |
| |
| @Override |
| public boolean apply(CDOResourceNode input) { |
| return input.getURI().toString().startsWith(prefix.toString()); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("hasURIPrefix(%s)", prefix); //$NON-NLS-1$ |
| } |
| |
| @Override |
| public int hashCode() { |
| return prefix.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| return (other instanceof HasURIPrefix) && ((HasURIPrefix) other).prefix.equals(prefix); |
| } |
| } |
| } |