| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * Created by IntelliJ IDEA. |
| * User: yole |
| * Date: 21.11.2006 |
| * Time: 18:38:44 |
| */ |
| package com.intellij.openapi.vcs.changes.patch; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.fileEditor.impl.LoadTextUtil; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Ref; |
| import com.intellij.openapi.vcs.*; |
| import com.intellij.openapi.vcs.changes.ContentRevision; |
| import com.intellij.openapi.vcs.diff.DiffProvider; |
| import com.intellij.openapi.vcs.history.*; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.Processor; |
| import com.intellij.vcsUtil.VcsRunnable; |
| import com.intellij.vcsUtil.VcsUtil; |
| |
| import java.io.IOException; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class DefaultPatchBaseVersionProvider { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.vcs.changes.patch.DefaultPatchBaseVersionProvider"); |
| private final static Pattern ourTsPattern = Pattern.compile("\\(date ([0-9]+)\\)"); |
| |
| private final Project myProject; |
| private final VirtualFile myFile; |
| private final String myVersionId; |
| private final Pattern myRevisionPattern; |
| |
| private final AbstractVcs myVcs; |
| |
| public DefaultPatchBaseVersionProvider(final Project project, final VirtualFile file, final String versionId) { |
| myProject = project; |
| myFile = file; |
| myVersionId = versionId; |
| myVcs = ProjectLevelVcsManager.getInstance(myProject).getVcsFor(myFile); |
| if (myVcs != null) { |
| final String vcsPattern = myVcs.getRevisionPattern(); |
| if (vcsPattern != null) { |
| myRevisionPattern = Pattern.compile("\\(revision (" + vcsPattern + ")\\)"); |
| return; |
| } |
| } |
| myRevisionPattern = null; |
| } |
| |
| public void getBaseVersionContent(final FilePath filePath, |
| final Processor<CharSequence> processor, |
| final List<String> warnings) throws VcsException { |
| if (myVcs == null) { |
| return; |
| } |
| final VcsHistoryProvider historyProvider = myVcs.getVcsHistoryProvider(); |
| if (historyProvider == null) return; |
| |
| VcsRevisionNumber revision = null; |
| if (myRevisionPattern != null) { |
| final Matcher matcher = myRevisionPattern.matcher(myVersionId); |
| if (matcher.find()) { |
| revision = myVcs.parseRevisionNumber(matcher.group(1), filePath); |
| final VcsRevisionNumber finalRevision = revision; |
| final Boolean[] loadedExactRevision = new Boolean[1]; |
| |
| if (historyProvider instanceof VcsBaseRevisionAdviser) { |
| final boolean success = VcsUtil.runVcsProcessWithProgress(new VcsRunnable() { |
| public void run() throws VcsException { |
| loadedExactRevision[0] = ((VcsBaseRevisionAdviser)historyProvider).getBaseVersionContent(filePath, processor, finalRevision.asString(), warnings); |
| } |
| }, VcsBundle.message("progress.text2.loading.revision", revision.asString()), true, myProject); |
| // was cancelled |
| if (! success) return; |
| } else { |
| // use diff provider |
| final DiffProvider diffProvider = myVcs.getDiffProvider(); |
| if (diffProvider != null && filePath.getVirtualFile() != null) { |
| final ContentRevision fileContent = diffProvider.createFileContent(finalRevision, filePath.getVirtualFile()); |
| |
| final boolean success = VcsUtil.runVcsProcessWithProgress(new VcsRunnable() { |
| public void run() throws VcsException { |
| loadedExactRevision[0] = ! processor.process(fileContent.getContent()); |
| } |
| }, VcsBundle.message("progress.text2.loading.revision", revision.asString()), true, myProject); |
| // was cancelled |
| if (! success) return; |
| } |
| } |
| if (Boolean.TRUE.equals(loadedExactRevision[0])) return; |
| } |
| } |
| |
| Date versionDate = null; |
| if (revision == null) { |
| try { |
| final Matcher tsMatcher = ourTsPattern.matcher(myVersionId); |
| if (tsMatcher.find()) { |
| final Long fromTsPattern = getFromTsPattern(); |
| if (fromTsPattern == null) return; |
| versionDate = new Date(fromTsPattern); |
| } else { |
| versionDate = new Date(myVersionId); |
| } |
| } |
| catch (IllegalArgumentException ex) { |
| return; |
| } |
| } |
| try { |
| final Ref<VcsHistorySession> ref = new Ref<VcsHistorySession>(); |
| VcsUtil.runVcsProcessWithProgress(new VcsRunnable() { |
| public void run() throws VcsException { |
| ref.set(historyProvider.createSessionFor(filePath)); |
| } |
| }, VcsBundle.message("loading.file.history.progress"), true, myProject); |
| if (ref.isNull()) return; |
| final VcsHistorySession session = ref.get(); |
| final List<VcsFileRevision> list = session.getRevisionList(); |
| if (list == null) return; |
| for (VcsFileRevision fileRevision : list) { |
| boolean found; |
| if (revision != null) { |
| found = fileRevision.getRevisionNumber().compareTo(revision) <= 0; |
| } |
| else { |
| final Date date = fileRevision instanceof VcsFileRevisionDvcsSpecific ? |
| ((VcsFileRevisionDvcsSpecific) fileRevision).getDateForRevisionsOrdering() : fileRevision.getRevisionDate(); |
| found = (date != null) && (date.before(versionDate) || date.equals(versionDate)); |
| } |
| |
| if (found) { |
| fileRevision.loadContent(); |
| processor.process(LoadTextUtil.getTextByBinaryPresentation(fileRevision.getContent(), myFile, false, false)); |
| // TODO: try to download more than one version |
| break; |
| } |
| } |
| } |
| catch (IOException e) { |
| LOG.error(e); |
| } |
| } |
| |
| public boolean canProvideContent() { |
| if (myVcs == null) { |
| return false; |
| } |
| if ((myRevisionPattern != null) && myRevisionPattern.matcher(myVersionId).matches()) { |
| return true; |
| } |
| if (ourTsPattern.matcher(myVersionId).matches()) return true; |
| try { |
| Date.parse(myVersionId); |
| } |
| catch (IllegalArgumentException ex) { |
| return false; |
| } |
| return true; |
| } |
| |
| public boolean hasVcs() { |
| return myVcs != null; |
| } |
| |
| private Long getFromTsPattern() { |
| final String trimmed = myVersionId.trim(); |
| final String startPattern = "(date"; |
| final int start = trimmed.indexOf(startPattern); |
| if (start >= 0) { |
| String number = trimmed.substring(startPattern.length() + start); |
| number = number.endsWith(")") ? number.substring(0, number.length() - 1) : number; |
| try { |
| return Long.parseLong(number.trim()); |
| } |
| catch (NumberFormatException e) { |
| return null; |
| } |
| } |
| return null; |
| } |
| } |