/*
* Copyright 2013-2016 consulo.io
*
* 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 consulo.vfs.util;
import consulo.fileTypes.ArchiveFileType;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.VirtualFile;
import consulo.vfs.ArchiveFileSystem;
import consulo.vfs.impl.archive.ArchiveEntry;
import consulo.vfs.impl.archive.ArchiveFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import consulo.annotations.DeprecationInfo;
import java.io.*;
import java.util.Iterator;
/**
* @author VISTALL
* @since 19:39/13.07.13
*/
public class ArchiveVfsUtil {
/**
* Return mirror virtual file from archive file system if virtual file is archive
*/
@Nullable
public static VirtualFile getArchiveRootForLocalFile(@Nullable VirtualFile virtualFile) {
if (virtualFile == null || !virtualFile.isValid()) {
return null;
}
final FileType fileType = virtualFile.getFileType();
if (fileType instanceof ArchiveFileType) {
return ((ArchiveFileType)fileType).getFileSystem().findLocalVirtualFileByPath(virtualFile.getPath());
}
return null;
}
/**
* Return original file from local system, when file is mirror in archive file system
*/
@Nullable
public static VirtualFile getVirtualFileForArchive(@Nullable VirtualFile virtualFile) {
if (virtualFile == null || !virtualFile.isValid()) {
return null;
}
if (virtualFile.getFileSystem() instanceof ArchiveFileSystem) {
return ((ArchiveFileSystem)virtualFile.getFileSystem()).getLocalVirtualFileFor(virtualFile);
}
return null;
}
@Deprecated
@DeprecationInfo(value = "Use #getArchiveRootForLocalFile()", until = "2.0")
@Nullable
public static VirtualFile getJarRootForLocalFile(@Nullable VirtualFile virtualFile) {
return getArchiveRootForLocalFile(virtualFile);
}
@Deprecated
@DeprecationInfo(value = "Use #getVirtualFileForArchive()", until = "2.0")
@Nullable
public static VirtualFile getVirtualFileForJar(@Nullable VirtualFile virtualFile) {
return getVirtualFileForArchive(virtualFile);
}
public static void extract(final @NotNull ArchiveFile zipFile, @NotNull File outputDir, @Nullable FilenameFilter filenameFilter)
throws IOException {
extract(zipFile, outputDir, filenameFilter, true);
}
public static void extract(final @NotNull ArchiveFile zipFile,
@NotNull File outputDir,
@Nullable FilenameFilter filenameFilter,
boolean overwrite) throws IOException {
final Iterator<? extends ArchiveEntry> entries = zipFile.entries();
while (entries.hasNext()) {
ArchiveEntry entry = entries.next();
final File file = new File(outputDir, entry.getName());
if (filenameFilter == null || filenameFilter.accept(file.getParentFile(), file.getName())) {
extractEntry(entry, zipFile.getInputStream(entry), outputDir, overwrite);
}
}
}
public static void extractEntry(ArchiveEntry entry, final InputStream inputStream, File outputDir) throws IOException {
extractEntry(entry, inputStream, outputDir, true);
}
public static void extractEntry(ArchiveEntry entry, final InputStream inputStream, File outputDir, boolean overwrite) throws IOException {
final boolean isDirectory = entry.isDirectory();
final String relativeName = entry.getName();
final File file = new File(outputDir, relativeName);
if (file.exists() && !overwrite) return;
FileUtil.createParentDirs(file);
if (isDirectory) {
file.mkdir();
}
else {
final BufferedInputStream is = new BufferedInputStream(inputStream);
final BufferedOutputStream os = new BufferedOutputStream(new FileOutputStream(file));
try {
FileUtil.copy(is, os);
}
finally {
os.close();
is.close();
}
}
}
}