/**
* 将流的内容写入文件<br>
*
* @param dest 目标文件
* @param in 输入流
* @throws IOException
*/
public static void writeStream(File dest, InputStream in) throws IOException {
FileOutputStream out = null;
try {
out = new FileOutputStream(dest);
IoUtil.copy(in, out);
} finally {
close(out);
}
}
/**
* 复制文件<br>
* 如果目标文件为目录，则将源文件以相同文件名拷贝到目标目录
*
* @param src 源文件
* @param dest 目标文件或目录
* @param isOverride 是否覆盖目标文件
* @throws IOException
*/
public static void copy(File src, File dest, boolean isOverride) throws IOException {
// check
if (!src.exists()) {
throw new FileNotFoundException("File not exist: " + src);
}
if (!src.isFile()) {
throw new IOException("Not a file:" + src);
}
if (equals(src, dest)) {
throw new IOException("Files '" + src + "' and '" + dest + "' are equal");
}
if (dest.exists()) {
if (dest.isDirectory()) {
dest = new File(dest, src.getName());
}
if (dest.exists() && !isOverride) {
throw new IOException("File already exist: " + dest);
}
}
// do copy file
FileInputStream input = new FileInputStream(src);
FileOutputStream output = new FileOutputStream(dest);
try {
IoUtil.copy(input, output);
} finally {
close(output);
close(input);
}
if (src.length() != dest.length()) {
throw new IOException(
"Copy file failed of '" + src + "' to '" + dest + "' due to different sizes");
}
}
