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/*-
* ========================LICENSE_START=================================
* UniversalDB
* ---
* Copyright (C) 2014 - 2024 TeamApps.org
* ---
* 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.
* =========================LICENSE_END==================================
*/
package org.teamapps.universaldb.index.filelegacy;
import org.teamapps.universaldb.util.DataStreamUtil;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.util.UUID;
import java.util.function.Supplier;
public class FileValue {
private final String uuid;
private final String hash;
private final long size;
private FileMetaData metaData;
private Supplier fileSupplier;
public FileValue(File file) {
this(file, file.getName());
}
public FileValue(File file, String fileName) {
uuid = "ta" + UUID.randomUUID().toString().replace("-", "").toLowerCase();
hash = FileUtil.createFileHash(file);
size = file.length();
metaData = new FileMetaData(fileName, size);
fileSupplier = () -> file;
}
public FileValue(String uuid, String hash, long size) {
this.uuid = uuid;
this.hash = hash;
this.size = size;
}
public FileValue(DataInputStream dataInputStream) throws IOException {
uuid = DataStreamUtil.readStringWithLengthHeader(dataInputStream);
hash = DataStreamUtil.readStringWithLengthHeader(dataInputStream);
size = dataInputStream.readLong();
byte[] bytes = DataStreamUtil.readByteArrayWithLengthHeader(dataInputStream);
if (bytes != null && bytes.length > 0) {
metaData = new FileMetaData(bytes);
}
}
public String getUuid() {
return uuid;
}
public String getHash() {
return hash;
}
public long getSize() {
return size;
}
public String getFileName() {
return metaData != null ? metaData.getName() : null;
}
public String getMimeType() {
return metaData != null ? metaData.getMimeType() : null;
}
public String getFileExtension() {
return metaData != null ? metaData.getFileExtension() : null;
}
public String getContentSnipped(int maxLength) {
return metaData != null ? metaData.getContentSnipped(maxLength) : null;
}
public FileMetaData getMetaData() {
return metaData;
}
public void setMetaData(FileMetaData metaData) {
this.metaData = metaData;
}
public Supplier getFileSupplier() {
return fileSupplier;
}
public void setFileSupplier(Supplier fileSupplier) {
this.fileSupplier = fileSupplier;
}
public File retrieveFile() {
if (fileSupplier == null) {
return null;
} else {
return fileSupplier.get();
}
}
public void writeValues(DataOutputStream dataOutputStream) throws IOException {
DataStreamUtil.writeStringWithLengthHeader(dataOutputStream, uuid);
DataStreamUtil.writeStringWithLengthHeader(dataOutputStream, hash);
dataOutputStream.writeLong(size);
if (metaData == null) {
dataOutputStream.writeInt(0);
} else {
byte[] metaDataBytes = metaData.getMetaDataBytes();
DataStreamUtil.writeByteArrayWithLengthHeader(dataOutputStream, metaDataBytes);
}
}
}
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