/*
* ====================================================================
* Copyright (c) 2004-2009 TMate Software Ltd. All rights reserved.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://svnkit.com/license.html
* If newer versions of this license are posted there, you may use a
* newer version instead, at your option.
* ====================================================================
*/
package org.tmatesoft.svn.core.internal.io.fs;
import java.io.OutputStream;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Map;
import java.util.Stack;
import org.tmatesoft.svn.core.SVNCommitInfo;
import org.tmatesoft.svn.core.SVNErrorCode;
import org.tmatesoft.svn.core.SVNErrorMessage;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.SVNNodeKind;
import org.tmatesoft.svn.core.SVNProperties;
import org.tmatesoft.svn.core.SVNProperty;
import org.tmatesoft.svn.core.SVNPropertyValue;
import org.tmatesoft.svn.core.SVNRevisionProperty;
import org.tmatesoft.svn.core.internal.util.SVNDate;
import org.tmatesoft.svn.core.internal.util.SVNPathUtil;
import org.tmatesoft.svn.core.internal.wc.SVNErrorManager;
import org.tmatesoft.svn.core.io.ISVNDeltaConsumer;
import org.tmatesoft.svn.core.io.ISVNEditor;
import org.tmatesoft.svn.core.io.SVNRepository;
import org.tmatesoft.svn.core.io.diff.SVNDiffWindow;
import org.tmatesoft.svn.util.SVNLogType;
/**
* @version 1.3
* @author TMate Software Ltd.
*/
public class FSCommitEditor implements ISVNEditor {
private Map myPathsToLockTokens;
private Collection myLockTokens;
private String myBasePath;
private FSTransactionInfo myTxn;
private FSTransactionRoot myTxnRoot;
private boolean isTxnOwner;
private FSFS myFSFS;
private FSRepository myRepository;
private Stack myDirsStack;
private FSDeltaConsumer myDeltaConsumer;
private SVNProperties myCurrentFileProps;
private String myCurrentFilePath;
private FSCommitter myCommitter;
private SVNProperties myRevProps;
private String myAuthor;
public FSCommitEditor(String path, String logMessage, String userName, Map lockTokens, boolean keepLocks, FSTransactionInfo txn, FSFS owner, FSRepository repository) {
this(path, lockTokens, keepLocks, txn, owner, repository, null);
myRevProps = new SVNProperties();
if (userName != null) {
myAuthor = userName;
myRevProps.put(SVNRevisionProperty.AUTHOR, userName);
}
if (logMessage != null) {
myRevProps.put(SVNRevisionProperty.LOG, logMessage);
}
}
public FSCommitEditor(String path, Map lockTokens, boolean keepLocks, FSTransactionInfo txn, FSFS owner, FSRepository repository, SVNProperties revProps) {
myPathsToLockTokens = !keepLocks ? lockTokens : null;
myLockTokens = lockTokens != null ? lockTokens.values() : new LinkedList();
myBasePath = path;
myTxn = txn;
isTxnOwner = txn == null;
myRepository = repository;
myFSFS = owner;
myDirsStack = new Stack();
myRevProps = revProps != null ? revProps : new SVNProperties();
}
public void targetRevision(long revision) throws SVNException {
// does nothing
}
public void openRoot(long revision) throws SVNException {
long youngestRev = myFSFS.getYoungestRevision();
if (isTxnOwner) {
myTxn = FSTransactionRoot.beginTransactionForCommit(youngestRev, myRevProps, myFSFS);
} else {
myFSFS.changeTransactionProperties(myTxn.getTxnId(), myRevProps);
}
myTxnRoot = myFSFS.createTransactionRoot(myTxn);
myCommitter = new FSCommitter(myFSFS, myTxnRoot, myTxn, myLockTokens, getAuthor());
DirBaton dirBaton = new DirBaton(revision, myBasePath, false);
myDirsStack.push(dirBaton);
}
private String getAuthor() {
if (myAuthor == null) {
myAuthor = myRevProps.getStringValue(SVNRevisionProperty.AUTHOR);
}
return myAuthor;
}
public void openDir(String path, long revision) throws SVNException {
DirBaton parentBaton = (DirBaton) myDirsStack.peek();
String fullPath = SVNPathUtil.getAbsolutePath(SVNPathUtil.append(myBasePath, path));
SVNNodeKind kind = myTxnRoot.checkNodeKind(fullPath);
if (kind == SVNNodeKind.NONE) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.FS_NOT_DIRECTORY, "Path ''{0}'' not present", path);
SVNErrorManager.error(err, SVNLogType.FSFS);
}
DirBaton dirBaton = new DirBaton(revision, fullPath, parentBaton.isCopied());
myDirsStack.push(dirBaton);
}
public void deleteEntry(String path, long revision) throws SVNException {
String fullPath = SVNPathUtil.getAbsolutePath(SVNPathUtil.append(myBasePath, path));
SVNNodeKind kind = myTxnRoot.checkNodeKind(fullPath);
if (kind == SVNNodeKind.NONE) {
SVNErrorManager.error(FSErrors.errorOutOfDate(fullPath, kind), SVNLogType.FSFS);
}
FSRevisionNode existingNode = myTxnRoot.getRevisionNode(fullPath);
long createdRev = existingNode.getCreatedRevision();
if (FSRepository.isValidRevision(revision) && revision < createdRev) {
SVNErrorManager.error(FSErrors.errorOutOfDate(fullPath, kind), SVNLogType.FSFS);
}
myCommitter.deleteNode(fullPath);
}
public void absentDir(String path) throws SVNException {
// does nothing
}
public void absentFile(String path) throws SVNException {
// does nothing
}
public void addDir(String path, String copyFromPath, long copyFromRevision) throws SVNException {
DirBaton parentBaton = (DirBaton) myDirsStack.peek();
String fullPath = SVNPathUtil.getAbsolutePath(SVNPathUtil.append(myBasePath, path));
boolean isCopied = false;
if (copyFromPath != null && FSRepository.isInvalidRevision(copyFromRevision)) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.FS_GENERAL, "Got source path but no source revision for ''{0}''", fullPath);
SVNErrorManager.error(err, SVNLogType.FSFS);
} else if (copyFromPath != null) {
SVNNodeKind kind = myTxnRoot.checkNodeKind(fullPath);
if (kind != SVNNodeKind.NONE && !parentBaton.isCopied()) {
SVNErrorManager.error(FSErrors.errorOutOfDate(fullPath, kind), SVNLogType.FSFS);
}
copyFromPath = myRepository.getRepositoryPath(copyFromPath);
FSRevisionRoot copyRoot = myFSFS.createRevisionRoot(copyFromRevision);
myCommitter.makeCopy(copyRoot, copyFromPath, fullPath, true);
isCopied = true;
} else {
myCommitter.makeDir(fullPath);
}
DirBaton dirBaton = new DirBaton(SVNRepository.INVALID_REVISION, fullPath, isCopied);
myDirsStack.push(dirBaton);
}
public void changeDirProperty(String name, SVNPropertyValue value) throws SVNException {
DirBaton dirBaton = (DirBaton) myDirsStack.peek();
if (FSRepository.isValidRevision(dirBaton.getBaseRevision())) {
FSRevisionNode existingNode = myTxnRoot.getRevisionNode(dirBaton.getPath());
long createdRev = existingNode.getCreatedRevision();
if (dirBaton.getBaseRevision() < createdRev) {
SVNErrorManager.error(FSErrors.errorOutOfDate(dirBaton.getPath(), SVNNodeKind.DIR), SVNLogType.FSFS);
}
}
myCommitter.changeNodeProperty(dirBaton.getPath(), name, value);
}
private void changeNodeProperties(String path, SVNProperties propNamesToValues) throws SVNException {
FSParentPath parentPath = null;
SVNNodeKind kind = null;
SVNProperties properties = null;
boolean done = false;
boolean haveRealChanges = false;
for (Iterator propNames = propNamesToValues.nameSet().iterator(); propNames.hasNext();) {
String propName = (String)propNames.next();
SVNPropertyValue propValue = propNamesToValues.getSVNPropertyValue(propName);
FSRepositoryUtil.validateProperty(propName, propValue);
if (!done) {
parentPath = myTxnRoot.openPath(path, true, true);
kind = parentPath.getRevNode().getType();
if ((myTxnRoot.getTxnFlags() & FSTransactionRoot.SVN_FS_TXN_CHECK_LOCKS) != 0) {
FSCommitter.allowLockedOperation(myFSFS, path, getAuthor(), myLockTokens, false, false);
}
myCommitter.makePathMutable(parentPath, path);
properties = parentPath.getRevNode().getProperties(myFSFS);
done = true;
}
if (properties.isEmpty() && propValue == null) {
continue;
}
if (myFSFS.supportsMergeInfo() && propName.equals(SVNProperty.MERGE_INFO)) {
long increment = 0;
boolean hadMergeInfo = parentPath.getRevNode().hasMergeInfo();
if (propValue != null && !hadMergeInfo) {
increment = 1;
} else if (propValue == null && hadMergeInfo) {
increment = -1;
}
if (increment != 0) {
parentPath.getRevNode().setHasMergeInfo(propValue != null);
myCommitter.incrementMergeInfoUpTree(parentPath, increment);
}
}
if (propValue == null) {
properties.remove(propName);
} else {
properties.put(propName, propValue);
}
if (!haveRealChanges) {
haveRealChanges = true;
}
}
if (haveRealChanges) {
myTxnRoot.setProplist(parentPath.getRevNode(), properties);
myCommitter.addChange(path, parentPath.getRevNode().getId(), FSPathChangeKind.FS_PATH_CHANGE_MODIFY, false, true, SVNRepository.INVALID_REVISION, null, kind);
}
}
public void closeDir() throws SVNException {
flushPendingProperties();
myDirsStack.pop();
}
public void addFile(String path, String copyFromPath, long copyFromRevision) throws SVNException {
DirBaton parentBaton = (DirBaton) myDirsStack.peek();
String fullPath = SVNPathUtil.getAbsolutePath(SVNPathUtil.append(myBasePath, path));
if (copyFromPath != null && FSRepository.isInvalidRevision(copyFromRevision)) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.FS_GENERAL, "Got source path but no source revision for ''{0}''", fullPath);
SVNErrorManager.error(err, SVNLogType.FSFS);
} else if (copyFromPath != null) {
SVNNodeKind kind = myTxnRoot.checkNodeKind(fullPath);
if (kind != SVNNodeKind.NONE && !parentBaton.isCopied()) {
SVNErrorManager.error(FSErrors.errorOutOfDate(fullPath, kind), SVNLogType.FSFS);
}
copyFromPath = myRepository.getRepositoryPath(copyFromPath);
FSRevisionRoot copyRoot = myFSFS.createRevisionRoot(copyFromRevision);
myCommitter.makeCopy(copyRoot, copyFromPath, fullPath, true);
} else {
myCommitter.makeFile(fullPath);
}
}
public void openFile(String path, long revision) throws SVNException {
String fullPath = SVNPathUtil.getAbsolutePath(SVNPathUtil.append(myBasePath, path));
FSRevisionNode revNode = myTxnRoot.getRevisionNode(fullPath);
if (FSRepository.isValidRevision(revision) && revision < revNode.getCreatedRevision()) {
SVNErrorManager.error(FSErrors.errorOutOfDate(fullPath, SVNNodeKind.FILE), SVNLogType.FSFS);
}
}
public void applyTextDelta(String path, String baseChecksum) throws SVNException {
flushPendingProperties();
ISVNDeltaConsumer fsfsConsumer = getDeltaConsumer();
fsfsConsumer.applyTextDelta(path, baseChecksum);
}
public OutputStream textDeltaChunk(String path, SVNDiffWindow diffWindow) throws SVNException {
ISVNDeltaConsumer fsfsConsumer = getDeltaConsumer();
return fsfsConsumer.textDeltaChunk(path, diffWindow);
}
public void textDeltaEnd(String path) throws SVNException {
ISVNDeltaConsumer fsfsConsumer = getDeltaConsumer();
fsfsConsumer.textDeltaEnd(path);
}
private FSDeltaConsumer getDeltaConsumer() {
if (myDeltaConsumer == null) {
myDeltaConsumer = new FSDeltaConsumer(myBasePath, myTxnRoot, myFSFS, myCommitter, getAuthor(), myLockTokens);
}
return myDeltaConsumer;
}
public void changeFileProperty(String path, String name, SVNPropertyValue value) throws SVNException {
String fullPath = SVNPathUtil.getAbsolutePath(SVNPathUtil.append(myBasePath, path));
SVNProperties props = getFilePropertiesStorage();
if (!fullPath.equals(myCurrentFilePath)) {
if (myCurrentFilePath != null) {
changeNodeProperties(myCurrentFilePath, props);
props.clear();
}
myCurrentFilePath = fullPath;
}
props.put(name, value);
}
private SVNProperties getFilePropertiesStorage() {
if (myCurrentFileProps == null) {
myCurrentFileProps = new SVNProperties();
}
return myCurrentFileProps;
}
private void flushPendingProperties() throws SVNException {
if (myCurrentFilePath != null) {
SVNProperties props = getFilePropertiesStorage();
changeNodeProperties(myCurrentFilePath, props);
props.clear();
myCurrentFilePath = null;
}
}
public void closeFile(String path, String textChecksum) throws SVNException {
flushPendingProperties();
if (textChecksum != null) {
String fullPath = SVNPathUtil.getAbsolutePath(SVNPathUtil.append(myBasePath, path));
FSRevisionNode revNode = myTxnRoot.getRevisionNode(fullPath);
FSRepresentation txtRep = revNode.getTextRepresentation();
if (txtRep != null && !textChecksum.equals(txtRep.getMD5HexDigest())) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.CHECKSUM_MISMATCH,
"Checksum mismatch for resulting fulltext\n({0}):\n expected checksum: {1}\n actual checksum: {2}\n",
new Object[] { fullPath, textChecksum, txtRep.getMD5HexDigest() });
SVNErrorManager.error(err, SVNLogType.FSFS);
}
}
}
public SVNCommitInfo closeEdit() throws SVNException {
try {
if (myTxn == null) {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.REPOS_BAD_ARGS, "No valid transaction supplied to closeEdit()");
SVNErrorManager.error(err, SVNLogType.FSFS);
}
long committedRev = -1;
if (myDeltaConsumer != null) {
myDeltaConsumer.close();
}
SVNErrorMessage[] errorMessage = new SVNErrorMessage[1];
committedRev = myCommitter.commitTxn(true, true, errorMessage, null);
SVNProperties revProps = myFSFS.getRevisionProperties(committedRev);
String dateProp = revProps.getStringValue(SVNRevisionProperty.DATE);
Date datestamp = dateProp != null ? SVNDate.parseDateString(dateProp) : null;
SVNCommitInfo info = new SVNCommitInfo(committedRev, getAuthor(), datestamp, errorMessage[0]);
releaseLocks();
return info;
} finally {
myRepository.closeRepository();
}
}
private void releaseLocks() {
if (myPathsToLockTokens != null) {
for (Iterator paths = myPathsToLockTokens.keySet().iterator(); paths.hasNext();) {
String path = (String) paths.next();
String token = (String) myPathsToLockTokens.get(path);
String absPath = !path.startsWith("/") ? SVNPathUtil.getAbsolutePath(SVNPathUtil.append(myBasePath, path)) : path;
try {
myFSFS.unlockPath(absPath, token, getAuthor(), false, true);
} catch (SVNException svne) {
// ignore exceptions
}
}
}
}
public void abortEdit() throws SVNException {
if (myDeltaConsumer != null) {
myDeltaConsumer.abort();
}
try {
if (myTxn == null || !isTxnOwner) {
return;
}
FSCommitter.abortTransaction(myFSFS, myTxn.getTxnId());
} finally {
myRepository.closeRepository();
myTxn = null;
myTxnRoot = null;
}
}
private static class DirBaton {
private long myBaseRevision;
private String myPath;
private boolean isCopied;
public DirBaton(long revision, String path, boolean copied) {
myBaseRevision = revision;
myPath = path;
isCopied = copied;
}
public boolean isCopied() {
return isCopied;
}
public void setCopied(boolean isCopied) {
this.isCopied = isCopied;
}
public long getBaseRevision() {
return myBaseRevision;
}
public void setBaseRevision(long baseRevision) {
myBaseRevision = baseRevision;
}
public String getPath() {
return myPath;
}
public void setPath(String path) {
myPath = path;
}
}
}