/*
* Copyright (c) 2013. wyouflf (wyouflf@gmail.com)
*
* 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.lidroid.xutils.http.client.multipart.content;
import com.lidroid.xutils.http.client.multipart.MIME;
import com.lidroid.xutils.util.IOUtils;
import java.io.*;
/**
* @since 4.0
*/
public class FileBody extends AbstractContentBody {
private final File file;
private final String filename;
private final String charset;
/**
* @since 4.1
*/
public FileBody(final File file,
final String filename,
final String mimeType,
final String charset) {
super(mimeType);
if (file == null) {
throw new IllegalArgumentException("File may not be null");
}
this.file = file;
if (filename != null) {
this.filename = filename;
} else {
this.filename = file.getName();
}
this.charset = charset;
}
/**
* @since 4.1
*/
public FileBody(final File file,
final String mimeType,
final String charset) {
this(file, null, mimeType, charset);
}
public FileBody(final File file, final String mimeType) {
this(file, null, mimeType, null);
}
public FileBody(final File file) {
this(file, null, "application/octet-stream", null);
}
public InputStream getInputStream() throws IOException {
return new FileInputStream(this.file);
}
public void writeTo(final OutputStream out) throws IOException {
if (out == null) {
throw new IllegalArgumentException("Output stream may not be null");
}
BufferedInputStream in = null;
try {
in = new BufferedInputStream(new FileInputStream(this.file));
byte[] tmp = new byte[4096];
int l;
while ((l = in.read(tmp)) != -1) {
out.write(tmp, 0, l);
callBackInfo.pos += l;
if (!callBackInfo.doCallBack(false)) {
throw new InterruptedIOException("cancel");
}
}
out.flush();
} finally {
IOUtils.closeQuietly(in);
}
}
public String getTransferEncoding() {
return MIME.ENC_BINARY;
}
public String getCharset() {
return charset;
}
public long getContentLength() {
return this.file.length();
}
public String getFilename() {
return filename;
}
public File getFile() {
return this.file;
}
}