/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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
*
* 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 org.jooby.internal.netty;
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import org.jooby.spi.NativeUpload;
import com.google.common.collect.ImmutableList;
import io.netty.handler.codec.http.multipart.FileUpload;
public class NettyUpload implements NativeUpload {
private File file;
private FileUpload data;
public NettyUpload(final FileUpload data, final String tmpdir) throws IOException {
this.data = data;
String name = "tmp-" + Long.toHexString(System.currentTimeMillis()) + "." + name();
file = new File(tmpdir, name);
data.renameTo(file);
}
@Override
public void close() throws IOException {
file().delete();
data.delete();
}
@Override
public String name() {
return data.getFilename();
}
private Optional<String> header(final String name) {
if (name.equalsIgnoreCase("content-transfer-encoding")) {
return Optional.of(data.getContentTransferEncoding());
} else if (name.equalsIgnoreCase("content-disposition")) {
return Optional.of("form-data; name=\"" + data.getName() + "\"; filename=\""
+ data.getFilename() + "\"");
} else if (name.equalsIgnoreCase("content-type")) {
String cs = Optional.ofNullable(data.getCharset())
.map(it -> "; charset=" + it.name())
.orElse("");
return Optional.ofNullable(data.getContentType())
.flatMap(it -> Optional.of(it + cs));
} else {
return Optional.empty();
}
}
@Override
public List<String> headers(final String name) {
return header(name).<List<String>> map(ImmutableList::of)
.orElse(Collections.<String> emptyList());
}
@Override
public File file() throws IOException {
return file;
}
}