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91 lines (81 loc) · 2.47 KB
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/*
* Copyright © 2012 The Feign Authors (feign@commonhaus.dev)
*
* 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 feign.form.multipart;
import static lombok.AccessLevel.PRIVATE;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.nio.charset.Charset;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import lombok.experimental.FieldDefaults;
/**
* Output representation utility class.
*
* @author Artem Labazin
*/
@RequiredArgsConstructor
@FieldDefaults(level = PRIVATE, makeFinal = true)
public class Output implements Closeable {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
@Getter Charset charset;
/**
* Writes the string to the output.
*
* @param string string to write to this output
* @return this output
*/
public Output write(String string) {
return write(string.getBytes(charset));
}
/**
* Writes the byte array to the output.
*
* @param bytes byte arrays to write to this output
* @return this output
*/
@SneakyThrows
public Output write(byte[] bytes) {
outputStream.write(bytes);
return this;
}
/**
* Writes the byte array to the output with specified offset and fixed length.
*
* @param bytes byte arrays to write to this output
* @param offset the offset within the array of the first byte to be read. Must be non-negative
* and no larger than <tt>bytes.length</tt>
* @param length the number of bytes to be read from the given array
* @return this output
*/
public Output write(byte[] bytes, int offset, int length) {
outputStream.write(bytes, offset, length);
return this;
}
/**
* Returns byte array representation of this output class.
*
* @return byte array representation of output
*/
public byte[] toByteArray() {
return outputStream.toByteArray();
}
@Override
public void close() throws IOException {
outputStream.close();
}
}