1 files changed, 115 insertions, 0 deletions
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/patch/FormatError.java b/org.eclipse.jgit/src/org/eclipse/jgit/patch/FormatError.java
new file mode 100644
index 0000000000..13046137dc
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/patch/FormatError.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2008, Google Inc.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.eclipse.jgit.patch;
+
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.util.RawParseUtils;
+
+/** An error in a patch script */
+public class FormatError {
+	/** Classification of an error. */
+	public static enum Severity {
+		/** The error is unexpected, but can be worked around. */
+		WARNING,
+
+		/** The error indicates the script is severely flawed. */
+		ERROR;
+	}
+
+	private final byte[] buf;
+
+	private final int offset;
+
+	private final Severity severity;
+
+	private final String message;
+
+	FormatError(final byte[] buffer, final int ptr, final Severity sev,
+			final String msg) {
+		buf = buffer;
+		offset = ptr;
+		severity = sev;
+		message = msg;
+	}
+
+	/** @return the severity of the error. */
+	public Severity getSeverity() {
+		return severity;
+	}
+
+	/** @return a message describing the error. */
+	public String getMessage() {
+		return message;
+	}
+
+	/** @return the byte buffer holding the patch script. */
+	public byte[] getBuffer() {
+		return buf;
+	}
+
+	/** @return byte offset within {@link #getBuffer()} where the error is */
+	public int getOffset() {
+		return offset;
+	}
+
+	/** @return line of the patch script the error appears on. */
+	public String getLineText() {
+		final int eol = RawParseUtils.nextLF(buf, offset);
+		return RawParseUtils.decode(Constants.CHARSET, buf, offset, eol);
+	}
+
+	@Override
+	public String toString() {
+		final StringBuilder r = new StringBuilder();
+		r.append(getSeverity().name().toLowerCase());
+		r.append(": at offset ");
+		r.append(getOffset());
+		r.append(": ");
+		r.append(getMessage());
+		r.append("\n");
+		r.append("  in ");
+		r.append(getLineText());
+		return r.toString();
+	}
+}