io.netty.handler.codec.http.multipart.MixedFileUpload Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project licenses this file to you 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:
*
* https://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 io.netty.handler.codec.http.multipart;
import io.netty.buffer.ByteBuf;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
/**
* Mixed implementation using both in Memory and in File with a limit of size
*/
public class MixedFileUpload implements FileUpload {
private final String baseDir;
private final boolean deleteOnExit;
private FileUpload fileUpload;
private final long limitSize;
private final long definedSize;
private long maxSize = DefaultHttpDataFactory.MAXSIZE;
public MixedFileUpload(String name, String filename, String contentType,
String contentTransferEncoding, Charset charset, long size,
long limitSize) {
this(name, filename, contentType, contentTransferEncoding,
charset, size, limitSize, DiskFileUpload.baseDirectory, DiskFileUpload.deleteOnExitTemporaryFile);
}
public MixedFileUpload(String name, String filename, String contentType,
String contentTransferEncoding, Charset charset, long size,
long limitSize, String baseDir, boolean deleteOnExit) {
this.limitSize = limitSize;
if (size > this.limitSize) {
fileUpload = new DiskFileUpload(name, filename, contentType,
contentTransferEncoding, charset, size);
} else {
fileUpload = new MemoryFileUpload(name, filename, contentType,
contentTransferEncoding, charset, size);
}
definedSize = size;
this.baseDir = baseDir;
this.deleteOnExit = deleteOnExit;
}
@Override
public long getMaxSize() {
return maxSize;
}
@Override
public void setMaxSize(long maxSize) {
this.maxSize = maxSize;
fileUpload.setMaxSize(maxSize);
}
@Override
public void checkSize(long newSize) throws IOException {
if (maxSize >= 0 && newSize > maxSize) {
throw new IOException("Size exceed allowed maximum capacity");
}
}
@Override
public void addContent(ByteBuf buffer, boolean last)
throws IOException {
if (fileUpload instanceof MemoryFileUpload) {
try {
checkSize(fileUpload.length() + buffer.readableBytes());
if (fileUpload.length() + buffer.readableBytes() > limitSize) {
DiskFileUpload diskFileUpload = new DiskFileUpload(fileUpload
.getName(), fileUpload.getFilename(), fileUpload
.getContentType(), fileUpload
.getContentTransferEncoding(), fileUpload.getCharset(),
definedSize, baseDir, deleteOnExit);
diskFileUpload.setMaxSize(maxSize);
ByteBuf data = fileUpload.getByteBuf();
if (data != null && data.isReadable()) {
diskFileUpload.addContent(data.retain(), false);
}
// release old upload
fileUpload.release();
fileUpload = diskFileUpload;
}
} catch (IOException e) {
buffer.release();
throw e;
}
}
fileUpload.addContent(buffer, last);
}
@Override
public void delete() {
fileUpload.delete();
}
@Override
public byte[] get() throws IOException {
return fileUpload.get();
}
@Override
public ByteBuf getByteBuf() throws IOException {
return fileUpload.getByteBuf();
}
@Override
public Charset getCharset() {
return fileUpload.getCharset();
}
@Override
public String getContentType() {
return fileUpload.getContentType();
}
@Override
public String getContentTransferEncoding() {
return fileUpload.getContentTransferEncoding();
}
@Override
public String getFilename() {
return fileUpload.getFilename();
}
@Override
public String getString() throws IOException {
return fileUpload.getString();
}
@Override
public String getString(Charset encoding) throws IOException {
return fileUpload.getString(encoding);
}
@Override
public boolean isCompleted() {
return fileUpload.isCompleted();
}
@Override
public boolean isInMemory() {
return fileUpload.isInMemory();
}
@Override
public long length() {
return fileUpload.length();
}
@Override
public long definedLength() {
return fileUpload.definedLength();
}
@Override
public boolean renameTo(File dest) throws IOException {
return fileUpload.renameTo(dest);
}
@Override
public void setCharset(Charset charset) {
fileUpload.setCharset(charset);
}
@Override
public void setContent(ByteBuf buffer) throws IOException {
try {
checkSize(buffer.readableBytes());
} catch (IOException e) {
buffer.release();
throw e;
}
if (buffer.readableBytes() > limitSize) {
if (fileUpload instanceof MemoryFileUpload) {
FileUpload memoryUpload = fileUpload;
// change to Disk
fileUpload = new DiskFileUpload(memoryUpload
.getName(), memoryUpload.getFilename(), memoryUpload
.getContentType(), memoryUpload
.getContentTransferEncoding(), memoryUpload.getCharset(),
definedSize, baseDir, deleteOnExit);
fileUpload.setMaxSize(maxSize);
// release old upload
memoryUpload.release();
}
}
fileUpload.setContent(buffer);
}
@Override
public void setContent(File file) throws IOException {
checkSize(file.length());
if (file.length() > limitSize) {
if (fileUpload instanceof MemoryFileUpload) {
FileUpload memoryUpload = fileUpload;
// change to Disk
fileUpload = new DiskFileUpload(memoryUpload
.getName(), memoryUpload.getFilename(), memoryUpload
.getContentType(), memoryUpload
.getContentTransferEncoding(), memoryUpload.getCharset(),
definedSize, baseDir, deleteOnExit);
fileUpload.setMaxSize(maxSize);
// release old upload
memoryUpload.release();
}
}
fileUpload.setContent(file);
}
@Override
public void setContent(InputStream inputStream) throws IOException {
if (fileUpload instanceof MemoryFileUpload) {
FileUpload memoryUpload = fileUpload;
// change to Disk
fileUpload = new DiskFileUpload(fileUpload
.getName(), fileUpload.getFilename(), fileUpload
.getContentType(), fileUpload
.getContentTransferEncoding(), fileUpload.getCharset(),
definedSize, baseDir, deleteOnExit);
fileUpload.setMaxSize(maxSize);
// release old upload
memoryUpload.release();
}
fileUpload.setContent(inputStream);
}
@Override
public void setContentType(String contentType) {
fileUpload.setContentType(contentType);
}
@Override
public void setContentTransferEncoding(String contentTransferEncoding) {
fileUpload.setContentTransferEncoding(contentTransferEncoding);
}
@Override
public void setFilename(String filename) {
fileUpload.setFilename(filename);
}
@Override
public HttpDataType getHttpDataType() {
return fileUpload.getHttpDataType();
}
@Override
public String getName() {
return fileUpload.getName();
}
@Override
public int hashCode() {
return fileUpload.hashCode();
}
@Override
public boolean equals(Object obj) {
return fileUpload.equals(obj);
}
@Override
public int compareTo(InterfaceHttpData o) {
return fileUpload.compareTo(o);
}
@Override
public String toString() {
return "Mixed: " + fileUpload;
}
@Override
public ByteBuf getChunk(int length) throws IOException {
return fileUpload.getChunk(length);
}
@Override
public File getFile() throws IOException {
return fileUpload.getFile();
}
@Override
public FileUpload copy() {
return fileUpload.copy();
}
@Override
public FileUpload duplicate() {
return fileUpload.duplicate();
}
@Override
public FileUpload retainedDuplicate() {
return fileUpload.retainedDuplicate();
}
@Override
public FileUpload replace(ByteBuf content) {
return fileUpload.replace(content);
}
@Override
public ByteBuf content() {
return fileUpload.content();
}
@Override
public int refCnt() {
return fileUpload.refCnt();
}
@Override
public FileUpload retain() {
fileUpload.retain();
return this;
}
@Override
public FileUpload retain(int increment) {
fileUpload.retain(increment);
return this;
}
@Override
public FileUpload touch() {
fileUpload.touch();
return this;
}
@Override
public FileUpload touch(Object hint) {
fileUpload.touch(hint);
return this;
}
@Override
public boolean release() {
return fileUpload.release();
}
@Override
public boolean release(int decrement) {
return fileUpload.release(decrement);
}
}
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