1 files changed, 99 insertions, 0 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/JptResourceType.java b/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/JptResourceType.java
new file mode 100644
index 0000000000..e86355e266
--- /dev/null
+++ b/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/JptResourceType.java
@@ -0,0 +1,99 @@
+/*******************************************************************************
+ * 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();
+	}
+}