/**
* Copyright 2008 Google Inc.
*
* 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.tonicsystems.jarjar.util;
import java.io.*;
import javax.annotation.Nonnull;
import javax.annotation.WillNotClose;
public class IoUtil {
private IoUtil() {
}
public static void copy(@Nonnull @WillNotClose InputStream is, @Nonnull @WillNotClose OutputStream out, @Nonnull byte[] buf) throws IOException {
for (;;) {
int amt = is.read(buf);
if (amt < 0)
break;
out.write(buf, 0, amt);
}
}
public static void copy(@Nonnull File from, @Nonnull File to, @Nonnull byte[] buf) throws IOException {
InputStream in = new FileInputStream(from);
try {
OutputStream out = new FileOutputStream(to);
try {
copy(in, out, buf);
} finally {
out.close();
}
} finally {
in.close();
}
}
public static void flush(Object o) throws IOException {
if (o instanceof Flushable)
((Flushable) o).flush();
}
public static void close(Object o) throws IOException {
if (o instanceof Closeable)
((Closeable) o).close();
}
}