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comparison src/org/tmatesoft/hg/core/HgStatusCommand.java @ 427:31a89587eb04

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FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 29 Mar 2012 17:14:35 +0200
parents 6437d261048a
children cd658b24a620
comparison
equal deleted inserted replaced
426:063b0663495a 427:31a89587eb04
23 import java.io.IOException; 23 import java.io.IOException;
24 import java.util.ConcurrentModificationException; 24 import java.util.ConcurrentModificationException;
25 25
26 import org.tmatesoft.hg.internal.ChangelogHelper; 26 import org.tmatesoft.hg.internal.ChangelogHelper;
27 import org.tmatesoft.hg.repo.HgRepository; 27 import org.tmatesoft.hg.repo.HgRepository;
28 import org.tmatesoft.hg.repo.HgRuntimeException;
28 import org.tmatesoft.hg.repo.HgStatusCollector; 29 import org.tmatesoft.hg.repo.HgStatusCollector;
29 import org.tmatesoft.hg.repo.HgStatusInspector; 30 import org.tmatesoft.hg.repo.HgStatusInspector;
30 import org.tmatesoft.hg.repo.HgWorkingCopyStatusCollector; 31 import org.tmatesoft.hg.repo.HgWorkingCopyStatusCollector;
31 import org.tmatesoft.hg.util.CancelSupport; 32 import org.tmatesoft.hg.util.CancelSupport;
32 import org.tmatesoft.hg.util.CancelledException; 33 import org.tmatesoft.hg.util.CancelledException;
160 161
161 /** 162 /**
162 * Perform status operation according to parameters set. 163 * Perform status operation according to parameters set.
163 * 164 *
164 * @param statusHandler callback to get status information 165 * @param statusHandler callback to get status information
165 * @throws HgCallbackTargetException wrapper for any exception user callback code may produce 166 * @throws HgCallbackTargetException propagated exception from the handler
167 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
166 * @throws CancelledException if execution of the command was cancelled 168 * @throws CancelledException if execution of the command was cancelled
167 * @throws IOException FIXME EXCEPTIONS WTF it's doing here if there are (further unspecified) errors while walking working copy 169 * @throws IOException FIXME EXCEPTIONS WTF it's doing here if there are (further unspecified) errors while walking working copy
168 * @throws IllegalArgumentException if handler is <code>null</code> 170 * @throws IllegalArgumentException if handler is <code>null</code>
169 * @throws ConcurrentModificationException if this command already runs (i.e. being used from another thread) 171 * @throws ConcurrentModificationException if this command already runs (i.e. being used from another thread)
170 */ 172 */
171 public void execute(HgStatusHandler statusHandler) throws HgCallbackTargetException, CancelledException, HgException, IOException { 173 public void execute(HgStatusHandler statusHandler) throws HgCallbackTargetException, HgException, CancelledException, IOException {
172 if (statusHandler == null) { 174 if (statusHandler == null) {
173 throw new IllegalArgumentException(); 175 throw new IllegalArgumentException();
174 } 176 }
175 if (mediator.busy()) { 177 if (mediator.busy()) {
176 throw new ConcurrentModificationException(); 178 throw new ConcurrentModificationException();
195 } 197 }
196 } catch (CancelledException ex) { 198 } catch (CancelledException ex) {
197 // this is our exception, thrown from Mediator. 199 // this is our exception, thrown from Mediator.
198 // next check shall throw original cause of the stop - either HgCallbackTargetException or original CancelledException 200 // next check shall throw original cause of the stop - either HgCallbackTargetException or original CancelledException
199 mediator.checkFailure(); 201 mediator.checkFailure();
202 } catch (HgRuntimeException ex) {
203 throw new HgLibraryFailureException(ex);
200 } finally { 204 } finally {
201 mediator.done(); 205 mediator.done();
202 } 206 }
203 } 207 }
204 208
262 } 266 }
263 } 267 }
264 268
265 private void dispatch(HgStatus s) { 269 private void dispatch(HgStatus s) {
266 try { 270 try {
267 handler.handleStatus(s); 271 handler.status(s);
268 handlerCancelSupport.checkCancelled(); 272 handlerCancelSupport.checkCancelled();
269 } catch (HgCallbackTargetException ex) { 273 } catch (HgCallbackTargetException ex) {
270 failure = ex; 274 failure = ex;
271 } catch (CancelledException ex) { 275 } catch (CancelledException ex) {
272 cancellation = ex; 276 cancellation = ex;
315 } 319 }
316 } 320 }
317 321
318 public void invalid(Path fname, Exception err) { 322 public void invalid(Path fname, Exception err) {
319 try { 323 try {
320 handler.handleError(fname, new Status(Status.Kind.ERROR, "Failed to get file status", err)); 324 handler.error(fname, new Status(Status.Kind.ERROR, "Failed to get file status", err));
321 handlerCancelSupport.checkCancelled(); 325 handlerCancelSupport.checkCancelled();
322 } catch (HgCallbackTargetException ex) { 326 } catch (HgCallbackTargetException ex) {
323 failure = ex; 327 failure = ex;
324 } catch (CancelledException ex) { 328 } catch (CancelledException ex) {
325 cancellation = ex; 329 cancellation = ex;