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/*
* 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.
*/
package com.intellij.openapi.vcs.changes.shelf;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.application.PathManager;
import com.intellij.openapi.application.impl.ApplicationImpl;
import com.intellij.openapi.components.RoamingType;
import com.intellij.openapi.components.impl.stores.StorageUtil;
import com.intellij.openapi.components.impl.stores.StreamProvider;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.io.FileUtilRt;
import com.intellij.openapi.vcs.changes.CommitContext;
import com.intellij.openapi.vfs.CharsetToolkit;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
public class CompoundShelfFileProcessor {
private final String mySubdirName;
private final StreamProvider myServerStreamProvider;
private final String FILE_SPEC;
private final String myShelfPath;
private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.vcs.changes.shelf.CompoundShelfFileProcessor");
public CompoundShelfFileProcessor(final String subdirName) {
mySubdirName = subdirName;
myServerStreamProvider = ((ApplicationImpl)ApplicationManager.getApplication()).getStateStore().getStateStorageManager().getStreamProvider();
FILE_SPEC = "$ROOT_CONFIG$/" + subdirName + "/";
myShelfPath = PathManager.getConfigPath() + File.separator + mySubdirName;
}
public CompoundShelfFileProcessor(@Nullable StreamProvider serverStreamProvider, String shelfPath) {
myServerStreamProvider = serverStreamProvider;
myShelfPath = shelfPath;
mySubdirName = new File(myShelfPath).getName();
FILE_SPEC = "$ROOT_CONFIG$/" + mySubdirName + "/";
}
/*
public void onWriteExternal() {
if (myShelfPath != null) {
File[] shelfFiles = new File(myShelfPath).listFiles();
if (shelfFiles != null) {
for (File shelfFile : shelfFiles) {
try {
for (StreamProvider serverStreamProvider : myServerStreamProviders) {
FileInputStream input = new FileInputStream(shelfFile);
try {
serverStreamProvider.saveContent(FILE_SPEC + shelfFile.getName(), input, shelfFile.length(), PER_USER);
}
finally {
input.close();
}
}
}
catch (IOException e) {
//ignore
}
}
}
}
} */
public List<String> getLocalFiles() {
ArrayList<String> result = new ArrayList<String>();
File[] files = new File(myShelfPath).listFiles();
if (files != null) {
for (File file : files) {
result.add(file.getName());
}
}
return result;
}
public Collection<String> getServerFiles() {
if (myServerStreamProvider == null || !myServerStreamProvider.isEnabled()) {
return Collections.emptyList();
}
return myServerStreamProvider.listSubFiles(FILE_SPEC, RoamingType.PER_USER);
}
public String copyFileFromServer(final String serverFileName, final List<String> localFileNames) {
if (myServerStreamProvider != null && myServerStreamProvider.isEnabled()) {
try {
File file = new File(new File(myShelfPath), serverFileName);
if (!file.exists()) {
InputStream stream = myServerStreamProvider.loadContent(FILE_SPEC + serverFileName, RoamingType.PER_USER);
if (stream != null) {
//noinspection ResultOfMethodCallIgnored
file.getParentFile().mkdirs();
FileOutputStream out = new FileOutputStream(file);
try {
FileUtil.copy(stream, out);
}
finally {
out.close();
stream.close();
}
}
}
}
catch (IOException ignored) {
}
}
localFileNames.add(serverFileName);
return serverFileName;
}
public String renameFileOnServer(final String serverFileName, final Collection<String> serverFileNames, final Collection<String> localFileNames) {
String newName = getNewFileName(serverFileName, serverFileNames, localFileNames);
if (myServerStreamProvider != null && myServerStreamProvider.isEnabled()) {
renameFileOnProvider(newName, FILE_SPEC + serverFileName, FILE_SPEC + newName, myServerStreamProvider);
}
return newName;
}
private void renameFileOnProvider(@NotNull String newName, @NotNull String oldFilePath, @NotNull String newFilePath, @NotNull StreamProvider serverStreamProvider) {
if (!serverStreamProvider.isEnabled()) {
return;
}
try {
InputStream stream = serverStreamProvider.loadContent(oldFilePath, RoamingType.PER_USER);
if (stream != null) {
File file = new File(myShelfPath + "/" + newName);
copyFileToStream(stream, file);
serverStreamProvider.deleteFile(oldFilePath, RoamingType.PER_USER);
copyFileContentToProviders(newFilePath, serverStreamProvider, file);
}
}
catch (IOException e) {
LOG.info(e);
}
}
private static void copyFileContentToProviders(final String newFilePath, final StreamProvider serverStreamProvider, final File file) throws IOException {
if (serverStreamProvider.isEnabled() && serverStreamProvider.isApplicable(newFilePath, RoamingType.PER_USER)) {
byte[] content = FileUtil.loadFileBytes(file);
serverStreamProvider.saveContent(newFilePath, content, content.length, RoamingType.PER_USER, true);
}
}
private static void copyFileToStream(final InputStream stream, final File file) throws IOException {
FileOutputStream out = new FileOutputStream(file);
try {
FileUtil.copy(stream, out);
}
finally {
out.close();
}
}
private static String getNewFileName(final String serverFileName, final Collection<String> serverFileNames, Collection<String> localFileNames) {
String name = FileUtil.getNameWithoutExtension(serverFileName);
String ext = FileUtilRt.getExtension(serverFileName);
for (int i = 1; ;i++) {
String suggestedName = name + i + "." + ext;
if (!serverFileNames.contains(suggestedName) && !localFileNames.contains(suggestedName)) {
serverFileNames.add(suggestedName);
localFileNames.add(suggestedName);
return suggestedName;
}
}
}
public interface ContentProvider {
void writeContentTo(Writer writer, CommitContext commitContext) throws IOException;
}
public void savePathFile(ContentProvider contentProvider, final File patchPath, CommitContext commitContext) throws IOException {
OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(patchPath), CharsetToolkit.UTF8_CHARSET);
try {
contentProvider.writeContentTo(writer, commitContext);
}
finally {
writer.close();
}
if (myServerStreamProvider != null && myServerStreamProvider.isEnabled()) {
copyFileContentToProviders(FILE_SPEC + patchPath.getName(), myServerStreamProvider, patchPath);
}
}
public File getBaseIODir() {
return new File(myShelfPath);
}
public void saveFile(final File from, final File to) throws IOException {
if (myServerStreamProvider != null && myServerStreamProvider.isEnabled()) {
copyFileContentToProviders(FILE_SPEC + to.getName(), myServerStreamProvider, from);
}
FileUtil.copy(from, to);
}
public void delete(final String name) {
FileUtil.delete(new File(getBaseIODir(), name));
if (myServerStreamProvider != null && myServerStreamProvider.isEnabled()) {
StorageUtil.deleteContent(myServerStreamProvider, FILE_SPEC + name, RoamingType.PER_USER);
}
}
}
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