tikhomirov@148: /*
tikhomirov@148:  * Copyright (c) 2011 TMate Software Ltd
tikhomirov@148:  *  
tikhomirov@148:  * This program is free software; you can redistribute it and/or modify
tikhomirov@148:  * it under the terms of the GNU General Public License as published by
tikhomirov@148:  * the Free Software Foundation; version 2 of the License.
tikhomirov@148:  *
tikhomirov@148:  * This program is distributed in the hope that it will be useful,
tikhomirov@148:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@148:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@148:  * GNU General Public License for more details.
tikhomirov@148:  *
tikhomirov@148:  * For information on how to redistribute this software under
tikhomirov@148:  * the terms of a license other than GNU General Public License
tikhomirov@148:  * contact TMate Software at support@hg4j.com
tikhomirov@148:  */
tikhomirov@148: package org.tmatesoft.hg.core;
tikhomirov@148: 
tikhomirov@275: import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
tikhomirov@275: 
tikhomirov@275: import org.tmatesoft.hg.repo.HgRepository;
tikhomirov@275: import org.tmatesoft.hg.util.Path;
tikhomirov@275: 
tikhomirov@148: /**
tikhomirov@148:  * Root class for all hg4j exceptions.
tikhomirov@148:  * 
tikhomirov@148:  * @author Artem Tikhomirov
tikhomirov@148:  * @author TMate Software Ltd.
tikhomirov@148:  */
tikhomirov@148: @SuppressWarnings("serial")
tikhomirov@148: public class HgException extends Exception {
tikhomirov@148: 
tikhomirov@275: 	protected int revNumber = BAD_REVISION;
tikhomirov@275: 	protected Nodeid revision;
tikhomirov@275: 	protected Path filename;
tikhomirov@275: 
tikhomirov@148: 	public HgException(String reason) {
tikhomirov@148: 		super(reason);
tikhomirov@148: 	}
tikhomirov@148: 
tikhomirov@148: 	public HgException(String reason, Throwable cause) {
tikhomirov@148: 		super(reason, cause);
tikhomirov@148: 	}
tikhomirov@148: 
tikhomirov@148: 	public HgException(Throwable cause) {
tikhomirov@148: 		super(cause);
tikhomirov@148: 	}
tikhomirov@148: 
tikhomirov@275: 	/**
tikhomirov@275: 	 * @return not {@link HgRepository#BAD_REVISION} only when local revision number was supplied at the construction time
tikhomirov@275: 	 */
tikhomirov@275: 	public int getRevisionNumber() {
tikhomirov@275: 		return revNumber;
tikhomirov@275: 	}
tikhomirov@275: 
tikhomirov@275: 	public HgException setRevisionNumber(int rev) {
tikhomirov@275: 		revNumber = rev;
tikhomirov@275: 		return this;
tikhomirov@275: 	}
tikhomirov@275: 
tikhomirov@275: 	/**
tikhomirov@275: 	 * @return non-null only when revision was supplied at construction time
tikhomirov@275: 	 */
tikhomirov@275: 	public Nodeid getRevision() {
tikhomirov@275: 		return revision;
tikhomirov@275: 	}
tikhomirov@275: 
tikhomirov@275: 	public HgException setRevision(Nodeid r) {
tikhomirov@275: 		revision = r;
tikhomirov@275: 		return this;
tikhomirov@275: 	}
tikhomirov@275: 
tikhomirov@275: 	/**
tikhomirov@275: 	 * @return non-null only if file name was set at construction time
tikhomirov@275: 	 */
tikhomirov@275: 	public Path getFileName() {
tikhomirov@275: 		return filename;
tikhomirov@275: 	}
tikhomirov@275: 
tikhomirov@275: 	public HgException setFileName(Path name) {
tikhomirov@275: 		filename = name;
tikhomirov@275: 		return this;
tikhomirov@275: 	}
tikhomirov@275: 	
tikhomirov@275: 	protected void appendDetails(StringBuilder sb) {
tikhomirov@275: 		if (filename != null) {
tikhomirov@320: 			sb.append("file:'");
tikhomirov@275: 			sb.append(filename);
tikhomirov@320: 			sb.append('\'');
tikhomirov@320: 			sb.append(';');
tikhomirov@275: 			sb.append(' ');
tikhomirov@275: 		}
tikhomirov@320: 		sb.append("rev:");
tikhomirov@275: 		if (revNumber != BAD_REVISION) {
tikhomirov@275: 			sb.append(revNumber);
tikhomirov@275: 			if (revision != null) {
tikhomirov@275: 				sb.append(':');
tikhomirov@275: 			}
tikhomirov@275: 		}
tikhomirov@275: 		if (revision != null) {
tikhomirov@275: 			sb.append(revision.shortNotation());
tikhomirov@275: 		}
tikhomirov@275: 	}
tikhomirov@275: 
tikhomirov@320: 	@Override
tikhomirov@320: 	public String toString() {
tikhomirov@320: 		StringBuilder sb = new StringBuilder(super.toString());
tikhomirov@320: 		sb.append(' ');
tikhomirov@320: 		sb.append('(');
tikhomirov@320: 		appendDetails(sb);
tikhomirov@320: 		sb.append(')');
tikhomirov@320: 		return sb.toString();
tikhomirov@320: 	}
tikhomirov@148: //	/* XXX CONSIDER capability to pass extra information about errors */
tikhomirov@148: //	public static class Status {
tikhomirov@148: //		public Status(String message, Throwable cause, int errorCode, Object extraData) {
tikhomirov@148: //		}
tikhomirov@148: //	}
tikhomirov@148: }