[EGIT PATCH 03/11] Add a specialized team exception for Git

["Tor Arne Vestbø" <torarnv@gmail.com>]

Copied largly from org.eclipse.team.internal.ccvs.core (CVS) and
org.tigris.subversion.subclipse.core (SVN), and then cleaned up.

Signed-off-by: Tor Arne Vestbø <torarnv@gmail.com>
---
 .../src/org/spearce/egit/core/GitException.java    |  168 ++++++++++++++++++++
 1 files changed, 168 insertions(+), 0 deletions(-)
 create mode 100644 org.spearce.egit.core/src/org/spearce/egit/core/GitException.java

diff --git a/org.spearce.egit.core/src/org/spearce/egit/core/GitException.java b/org.spearce.egit.core/src/org/spearce/egit/core/GitException.java
new file mode 100644
index 0000000..7217fb7
--- /dev/null
+++ b/org.spearce.egit.core/src/org/spearce/egit/core/GitException.java
@@ -0,0 +1,168 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 IBM Corporation and others.
+ * Copyright (c) 2003, 2006 Subclipse project and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * See LICENSE for the full license text, also available.
+ *******************************************************************************/
+
+package org.spearce.egit.core;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.*;
+import org.eclipse.team.core.TeamException;
+import org.eclipse.team.core.TeamStatus;
+
+/**
+ * A checked exception representing a failure in the Git plugin.
+ * <p>
+ * Git exceptions contain a status object describing the cause of the exception.
+ * </p>
+ * 
+ * @see IStatus
+ */
+public class GitException extends TeamException {
+
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * Constructs a new Git exception
+	 * 
+	 * @param severity
+	 * @param code
+	 * @param message
+	 * @param e
+	 */
+	public GitException(int severity, int code, String message, Throwable e) {
+		super(new TeamStatus(severity, Activator.getPluginId(), code, message,
+				e, null));
+	}
+
+	/**
+	 * Constructs a new Git exception
+	 * 
+	 * @param severity
+	 * @param code
+	 * @param message
+	 */
+	public GitException(int severity, int code, String message) {
+		this(severity, code, message, null);
+	}
+
+	/**
+	 * Constructs a new Git exception
+	 * 
+	 * @param message
+	 * @param e
+	 */
+	public GitException(String message, Throwable e) {
+		this(IStatus.ERROR, UNABLE, message, e);
+	}
+
+	/**
+	 * Constructs a new Git exception
+	 * 
+	 * @param message
+	 */
+	public GitException(String message) {
+		this(message, null);
+	}
+
+	/**
+	 * Constructs a new Git exception
+	 * 
+	 * @param status
+	 */
+	public GitException(IStatus status) {
+		super(status);
+	}
+
+	/**
+	 * Transform this exception into a CoreException
+	 * 
+	 * @return the new CoreException
+	 */
+	public CoreException toCoreException() {
+		IStatus status = getStatus();
+		return new CoreException(new Status(status.getSeverity(), status
+				.getPlugin(), 0, status.getMessage(), this));
+	}
+
+	/**
+	 * Static helper method for creating a Git exception
+	 * 
+	 * @param resource
+	 * @param message
+	 * @param e
+	 * @return the created exception
+	 */
+	public static GitException wrapException(IResource resource,
+			String message, CoreException e) {
+		return new GitException(IStatus.ERROR, e.getStatus().getCode(),
+				message, e);
+	}
+
+	/**
+	 * Static helper method for creating a Git exception
+	 * 
+	 * @param e
+	 * @return the created exception
+	 */
+	public static GitException wrapException(Exception e) {
+		Throwable t = e;
+		if (e instanceof InvocationTargetException) {
+			Throwable target = ((InvocationTargetException) e)
+					.getTargetException();
+			if (target instanceof GitException) {
+				return (GitException) target;
+			}
+			t = target;
+		}
+
+		return new GitException(IStatus.ERROR, UNABLE,
+				t.getMessage() != null ? t.getMessage() : "", t); //$NON-NLS-1$
+	}
+
+	/**
+	 * Static helper method for creating a Git exception
+	 * 
+	 * @param e
+	 * @return the created exception
+	 */
+	public static GitException wrapException(CoreException e) {
+		IStatus status = e.getStatus();
+		if (!status.isMultiStatus()) {
+			status = new TeamStatus(status.getSeverity(), Activator
+					.getPluginId(), status.getCode(), status.getMessage(), e,
+					null);
+		}
+		return new GitException(status);
+	}
+
+	/**
+	 * Static helper method for creating a Git exception
+	 * 
+	 * @param e
+	 * @return the created exception
+	 */
+	public static GitException wrapException(IOException e) {
+		return new GitException(IStatus.ERROR, IO_FAILED, e.getMessage(), e);
+	}
+
+	/**
+	 * Static helper method for creating a Git exception
+	 * 
+	 * @param e
+	 * @return the created exception
+	 */
+	public static GitException wrapException(TeamException e) {
+		if (e instanceof GitException)
+			return (GitException) e;
+		else
+			return new GitException(e.getStatus());
+	}
+}
-- 
1.6.1.2.309.g2ea3