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A general programming library in Java/Android. It's easy to learn and simple to use with concise and powerful APIs.
/*
* Copyright (C) 2007 The Guava Authors
*
* 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.landawn.abacus.guava;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel.MapMode;
import java.nio.charset.Charset;
import java.nio.file.OpenOption;
import java.nio.file.Path;
import java.nio.file.attribute.FileAttribute;
import java.util.List;
import com.google.common.graph.Traverser;
import com.google.common.io.ByteSink;
import com.google.common.io.ByteSource;
import com.google.common.io.CharSink;
import com.google.common.io.CharSource;
import com.google.common.io.FileWriteMode;
import com.google.common.io.RecursiveDeleteOption;
import com.landawn.abacus.util.ImmutableList;
/**
* Copied from Google Guava under Apache License v2.
* The purpose is to provide unified API.
*
*/
public abstract class Files { //NOSONAR
private Files() {
// singleton
}
/**
*
* @param file
* @param charset
* @return
* @throws FileNotFoundException the file not found exception
*/
public static BufferedReader newReader(File file, Charset charset) throws FileNotFoundException {
return com.google.common.io.Files.newReader(file, charset);
}
/**
*
* @param file
* @param charset
* @return
* @throws FileNotFoundException the file not found exception
*/
public static BufferedWriter newWriter(File file, Charset charset) throws FileNotFoundException {
return com.google.common.io.Files.newWriter(file, charset);
}
/**
* As byte source.
*
* @param file
* @return
*/
public static ByteSource asByteSource(File file) {
return com.google.common.io.Files.asByteSource(file);
}
/**
* As byte source.
*
* @param path
* @param options
* @return
*/
@SafeVarargs
public static ByteSource asByteSource(Path path, OpenOption... options) {
return com.google.common.io.MoreFiles.asByteSource(path, options);
}
/**
* As byte sink.
*
* @param file
* @param modes
* @return
*/
@SafeVarargs
public static ByteSink asByteSink(File file, FileWriteMode... modes) {
return com.google.common.io.Files.asByteSink(file, modes);
}
/**
* As byte sink.
*
* @param path
* @param options
* @return
*/
@SafeVarargs
public static ByteSink asByteSink(Path path, OpenOption... options) {
return com.google.common.io.MoreFiles.asByteSink(path, options);
}
/**
* As char source.
*
* @param file
* @param charset
* @return
*/
public static CharSource asCharSource(File file, Charset charset) {
return com.google.common.io.Files.asCharSource(file, charset);
}
/**
* As char source.
*
* @param path
* @param charset
* @param options
* @return
*/
@SafeVarargs
public static CharSource asCharSource(Path path, Charset charset, OpenOption... options) {
return com.google.common.io.MoreFiles.asCharSource(path, charset, options);
}
/**
* As char sink.
*
* @param file
* @param charset
* @param modes
* @return
*/
@SafeVarargs
public static CharSink asCharSink(File file, Charset charset, FileWriteMode... modes) {
return com.google.common.io.Files.asCharSink(file, charset, modes);
}
/**
* As char sink.
*
* @param path
* @param charset
* @param options
* @return
*/
@SafeVarargs
public static CharSink asCharSink(Path path, Charset charset, OpenOption... options) {
return com.google.common.io.MoreFiles.asCharSink(path, charset, options);
}
/**
* To byte array.
*
* @param file
* @return
* @throws IOException Signals that an I/O exception has occurred.
*/
public static byte[] toByteArray(File file) throws IOException {
return com.google.common.io.Files.toByteArray(file);
}
/**
*
* @param from
* @param to
* @throws IOException Signals that an I/O exception has occurred.
*/
public static void write(byte[] from, File to) throws IOException {
com.google.common.io.Files.write(from, to);
}
/**
*
* @param file1
* @param file2
* @return true, if successful
* @throws IOException Signals that an I/O exception has occurred.
*/
public static boolean equal(File file1, File file2) throws IOException { //NOSONAR
return com.google.common.io.Files.equal(file1, file2);
}
/**
*
* @param path1
* @param path2
* @return true, if successful
* @throws IOException Signals that an I/O exception has occurred.
*/
public static boolean equal(Path path1, Path path2) throws IOException { //NOSONAR
return com.google.common.io.MoreFiles.equal(path1, path2);
}
/**
*
* @param file
* @throws IOException Signals that an I/O exception has occurred.
*/
public static void touch(File file) throws IOException {
com.google.common.io.Files.touch(file);
}
/**
*
* @param path
* @throws IOException Signals that an I/O exception has occurred.
*/
public static void touch(Path path) throws IOException {
com.google.common.io.MoreFiles.touch(path);
}
/**
*
* @return
* @deprecated For Android users, see the Data and File
* Storage overview to select an appropriate temporary directory (perhaps {@code
* context.getCacheDir()}). For developers on Java 7 or later, use {@link
* java.nio.file.Files#createTempDirectory}, transforming it to a {@link File} using {@link
* java.nio.file.Path#toFile() toFile()} if needed.
*/
@Deprecated
public static File createTempDir() {
return com.google.common.io.Files.createTempDir(); //NOSONAR
}
/**
* Creates the parent dirs.
*
* @param file
* @throws IOException Signals that an I/O exception has occurred.
*/
public static void createParentDirs(File file) throws IOException {
com.google.common.io.Files.createParentDirs(file);
}
/**
* Creates the parent directories.
*
* @param path
* @param attrs
* @throws IOException Signals that an I/O exception has occurred.
*/
@SafeVarargs
public static void createParentDirectories(Path path, FileAttribute... attrs) throws IOException {
com.google.common.io.MoreFiles.createParentDirectories(path, attrs);
}
/**
*
* @param from
* @param to
* @throws IOException Signals that an I/O exception has occurred.
*/
public static void copy(File from, OutputStream to) throws IOException {
com.google.common.io.Files.copy(from, to);
}
/**
*
* @param from
* @param to
* @throws IOException Signals that an I/O exception has occurred.
*/
public static void copy(File from, File to) throws IOException {
com.google.common.io.Files.copy(from, to);
}
/**
*
* @param from
* @param to
* @throws IOException Signals that an I/O exception has occurred.
*/
public static void move(File from, File to) throws IOException {
com.google.common.io.Files.move(from, to);
}
/**
*
* @param file
* @param charset
* @return
* @throws IOException Signals that an I/O exception has occurred.
*/
public static List readLines(File file, Charset charset) throws IOException {
return com.google.common.io.Files.readLines(file, charset);
}
/**
*
* @param file
* @return
* @throws IOException Signals that an I/O exception has occurred.
*/
public static MappedByteBuffer map(File file) throws IOException {
return com.google.common.io.Files.map(file);
}
/**
*
* @param file
* @param mode
* @return
* @throws IOException Signals that an I/O exception has occurred.
*/
public static MappedByteBuffer map(File file, MapMode mode) throws IOException {
return com.google.common.io.Files.map(file, mode);
}
/**
*
* @param file
* @param mode
* @param size
* @return
* @throws IOException Signals that an I/O exception has occurred.
*/
public static MappedByteBuffer map(File file, MapMode mode, long size) throws IOException {
return com.google.common.io.Files.map(file, mode, size);
}
/**
*
* @param pathname
* @return
*/
public static String simplifyPath(String pathname) {
return com.google.common.io.Files.simplifyPath(pathname);
}
/**
* Gets the name without extension.
*
* @param file
* @return
*/
public static String getNameWithoutExtension(String file) {
return com.google.common.io.Files.getNameWithoutExtension(file);
}
/**
* Gets the name without extension.
*
* @param path
* @return
*/
public static String getNameWithoutExtension(Path path) {
return com.google.common.io.MoreFiles.getNameWithoutExtension(path);
}
/**
* Gets the file extension.
*
* @param fullName
* @return
*/
public static String getFileExtension(String fullName) {
return com.google.common.io.Files.getFileExtension(fullName);
}
/**
* Gets the file extension.
*
* @param path
* @return
*/
public static String getFileExtension(Path path) {
return com.google.common.io.MoreFiles.getFileExtension(path);
}
/**
*
*
* @return
*/
public static Traverser fileTraverser() {
return com.google.common.io.Files.fileTraverser();
}
/**
*
*
* @return
*/
public static Traverser pathTraverser() {
return com.google.common.io.MoreFiles.fileTraverser();
}
/**
*
* @param dir
* @return
* @throws IOException Signals that an I/O exception has occurred.
*/
@SuppressWarnings("deprecation")
public static ImmutableList listFiles(Path dir) throws IOException {
return ImmutableList.wrap(com.google.common.io.MoreFiles.listFiles(dir));
}
/**
*
* @param path
* @param options
* @throws IOException Signals that an I/O exception has occurred.
*/
@SafeVarargs
public static void deleteRecursively(Path path, RecursiveDeleteOption... options) throws IOException {
com.google.common.io.MoreFiles.deleteRecursively(path, options);
}
/**
* Delete directory contents.
*
* @param path
* @param options
* @throws IOException Signals that an I/O exception has occurred.
*/
@SafeVarargs
public static void deleteDirectoryContents(Path path, RecursiveDeleteOption... options) throws IOException {
com.google.common.io.MoreFiles.deleteDirectoryContents(path, options);
}
/**
* The Class MoreFiles.
*/
public static final class MoreFiles extends Files {
/**
* Instantiates a new more files.
*/
private MoreFiles() {
// singleton
}
}
}