| /******************************************************************************* |
| * Copyright (c) 2009, 2010 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.common.core; |
| |
| import org.eclipse.core.runtime.content.IContentType; |
| |
| /** |
| * Describes the file content type and version for JPA resources. |
| * This is a value object that defines an {@link #equals(Object)} method. |
| * <p> |
| * Provisional API: This interface is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| * |
| * @version 2.3 |
| * @since 2.3 |
| */ |
| public class JptResourceType |
| { |
| private final IContentType contentType; |
| |
| private final String version; |
| |
| |
| /** |
| * Version used when version can not be determined or when there is no |
| * sense of version (e.g. Java). |
| */ |
| public static final String UNDETERMINED_VERSION = "<undetermined>"; //$NON-NLS-1$ |
| |
| |
| public JptResourceType(IContentType contentType) { |
| this(contentType, UNDETERMINED_VERSION); |
| } |
| |
| public JptResourceType(IContentType contentType, String version) { |
| super(); |
| if (contentType == null) { |
| throw new NullPointerException("content type"); //$NON-NLS-1$ |
| } |
| if (version == null) { |
| throw new NullPointerException("version"); //$NON-NLS-1$ |
| } |
| this.contentType = contentType; |
| this.version = version; |
| } |
| |
| |
| public IContentType getContentType() { |
| return this.contentType; |
| } |
| |
| public String getVersion() { |
| return this.version; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if ((obj == null) || (obj.getClass() != this.getClass())) { |
| return false; |
| } |
| JptResourceType other = (JptResourceType) obj; |
| return this.contentType.equals(other.contentType) && this.version.equals(other.version); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int hash = 17; |
| hash = hash * prime + this.contentType.hashCode(); |
| hash = hash * prime + this.version.hashCode(); |
| return hash; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(this.getClass().getSimpleName()); |
| sb.append("(content = "); //$NON-NLS-1$ |
| sb.append(this.contentType); |
| sb.append(", "); //$NON-NLS-1$ |
| sb.append("version = "); //$NON-NLS-1$ |
| sb.append(this.version); |
| sb.append(')'); |
| return sb.toString(); |
| } |
| } |