Mercurial > hg4j

comparison src/org/tmatesoft/hg/repo/HgDataFile.java @ 347:8da7ade36c57

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Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 22 Nov 2011 05:25:57 +0100
parents a674b8590362
children 5f9073eabf06
comparison
equal deleted inserted replaced
346:6d2c6b2469fc 347:8da7ade36c57
31 import java.util.Collections; 31 import java.util.Collections;
32 import java.util.List; 32 import java.util.List;
33 33
34 import org.tmatesoft.hg.core.HgDataStreamException; 34 import org.tmatesoft.hg.core.HgDataStreamException;
35 import org.tmatesoft.hg.core.HgException; 35 import org.tmatesoft.hg.core.HgException;
36 import org.tmatesoft.hg.core.HgInvalidRevisionException;
36 import org.tmatesoft.hg.core.HgLogCommand; 37 import org.tmatesoft.hg.core.HgLogCommand;
37 import org.tmatesoft.hg.core.Nodeid; 38 import org.tmatesoft.hg.core.Nodeid;
38 import org.tmatesoft.hg.internal.DataAccess; 39 import org.tmatesoft.hg.internal.DataAccess;
39 import org.tmatesoft.hg.internal.FilterByteChannel; 40 import org.tmatesoft.hg.internal.FilterByteChannel;
40 import org.tmatesoft.hg.internal.FilterDataAccess; 41 import org.tmatesoft.hg.internal.FilterDataAccess;
175 // } while (left > 0); 176 // } while (left > 0);
176 // progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully. 177 // progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully.
177 // } 178 // }
178 179
179 /*XXX not sure distinct method contentWithFilters() is the best way to do, perhaps, callers shall add filters themselves?*/ 180 /*XXX not sure distinct method contentWithFilters() is the best way to do, perhaps, callers shall add filters themselves?*/
180 public void contentWithFilters(int revision, ByteChannel sink) throws HgDataStreamException, CancelledException { 181 public void contentWithFilters(int revision, ByteChannel sink) throws HgDataStreamException, CancelledException, HgInvalidRevisionException {
181 if (revision == WORKING_COPY) { 182 if (revision == WORKING_COPY) {
182 workingCopy(sink); // pass un-mangled sink 183 workingCopy(sink); // pass un-mangled sink
183 } else { 184 } else {
184 content(revision, new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath()))); 185 content(revision, new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())));
185 } 186 }
186 } 187 }
187 188
188 // for data files need to check heading of the file content for possible metadata 189 // for data files need to check heading of the file content for possible metadata
189 // @see http://mercurial.selenic.com/wiki/FileFormats#data.2BAC8- 190 // @see http://mercurial.selenic.com/wiki/FileFormats#data.2BAC8-
190 public void content(int revision, ByteChannel sink) throws HgDataStreamException, CancelledException { 191 public void content(int revision, ByteChannel sink) throws HgDataStreamException, CancelledException, HgInvalidRevisionException {
191 if (revision == TIP) { 192 if (revision == TIP) {
192 revision = getLastRevision(); 193 revision = getLastRevision();
193 } 194 }
194 if (revision == WORKING_COPY) { 195 if (revision == WORKING_COPY) {
195 // sink is supposed to come into workingCopy without filters 196 // sink is supposed to come into workingCopy without filters
196 // thus we shall not get here (into #content) from #contentWithFilters(WC) 197 // thus we shall not get here (into #content) from #contentWithFilters(WC)
197 workingCopy(sink); 198 workingCopy(sink);
198 return; 199 return;
199 } 200 }
200 if (wrongLocalRevision(revision) || revision == BAD_REVISION) { 201 if (wrongLocalRevision(revision) || revision == BAD_REVISION) {
201 throw new IllegalArgumentException(String.valueOf(revision)); 202 throw new HgInvalidRevisionException(revision);
202 } 203 }
203 if (sink == null) { 204 if (sink == null) {
204 throw new IllegalArgumentException(); 205 throw new IllegalArgumentException();
205 } 206 }
206 if (metadata == null) { 207 if (metadata == null) {
348 349
349 public void history(HgChangelog.Inspector inspector) { 350 public void history(HgChangelog.Inspector inspector) {
350 history(0, getLastRevision(), inspector); 351 history(0, getLastRevision(), inspector);
351 } 352 }
352 353
353 public void history(int start, int end, HgChangelog.Inspector inspector) { 354 public void history(int start, int end, HgChangelog.Inspector inspector) throws HgInvalidRevisionException {
354 if (!exists()) { 355 if (!exists()) {
355 throw new IllegalStateException("Can't get history of invalid repository file node"); 356 throw new IllegalStateException("Can't get history of invalid repository file node");
356 } 357 }
357 final int last = getLastRevision(); 358 final int last = getLastRevision();
358 if (end == TIP) { 359 if (end == TIP) {