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/*
* 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 java.util.Locale;
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;
}
/**
* Get the severity of the error.
*
* @return the severity of the error.
*/
public Severity getSeverity() {
return severity;
}
/**
* Get a message describing the error.
*
* @return a message describing the error.
*/
public String getMessage() {
return message;
}
/**
* Get the byte buffer holding the patch script.
*
* @return the byte buffer holding the patch script.
*/
public byte[] getBuffer() {
return buf;
}
/**
* Get byte offset within {@link #getBuffer()} where the error is.
*
* @return byte offset within {@link #getBuffer()} where the error is.
*/
public int getOffset() {
return offset;
}
/**
* Get line of the patch script the error appears on.
*
* @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);
}
/** {@inheritDoc} */
@Override
public String toString() {
final StringBuilder r = new StringBuilder();
r.append(getSeverity().name().toLowerCase(Locale.ROOT));
r.append(": at offset "); //$NON-NLS-1$
r.append(getOffset());
r.append(": "); //$NON-NLS-1$
r.append(getMessage());
r.append("\n"); //$NON-NLS-1$
r.append(" in "); //$NON-NLS-1$
r.append(getLineText());
return r.toString();
}
}
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