klmp200/PQT_Gestionnaire_vent_stock
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Module Server, clss FileStockDao : utilisation d'un ISerialFileManager pour gérer les IO du fichier

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This commit is contained in:
Notmoo
2017-07-31 18:59:47 +02:00
parent adf55b68a0
commit c10c91ec1e
1 changed files with 7 additions and 59 deletions
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66
Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/FileStockDao.java
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@@ -1,16 +1,17 @@
package com.pqt.server.module.stock;
import com.pqt.core.entities.product.Product;
import com.pqt.server.tools.FileUtil;
import com.pqt.server.tools.entities.SaleContent;
import com.pqt.server.tools.io.ISerialFileManager;
import com.pqt.server.tools.io.SimpleSerialFileManagerFactory;
import java.io.*;
import java.util.*;
//TODO écrire Javadoc
public class FileStockDao implements IStockDao {
private static final String STOCK_FILE_NAME = "stock.pqt";
private ISerialFileManager<Product> fileManager;
private long nextProductId;
private Random random;
@@ -18,6 +19,7 @@ public class FileStockDao implements IStockDao {
public FileStockDao() {
random = new Random();
fileManager = SimpleSerialFileManagerFactory.getFileManager(Product.class, STOCK_FILE_NAME);
loadFromFile();
generateNextProductId();
}
@@ -120,66 +122,12 @@ public class FileStockDao implements IStockDao {
}
private void loadFromFile() {
products = new HashMap<>(load());
}
private Map<Long, Product> load(){
Map<Long, Product> loadedData = new HashMap<>();
try{
if(FileUtil.createFileIfNotExist(STOCK_FILE_NAME)){
return loadedData;
}
}catch(IOException e){
e.printStackTrace();
return loadedData;
}
try(FileInputStream fis = new FileInputStream(STOCK_FILE_NAME);
ObjectInputStream ois = new ObjectInputStream(fis)){
boolean end = false;
do{
try{
Object obj = ois.readObject();
if(Product.class.isInstance(obj)){
Product p = Product.class.cast(obj);
loadedData.put(p.getId(), p);
}
}catch (EOFException e){
end = true;
}catch(ClassNotFoundException | InvalidClassException e){
e.printStackTrace();
}
}while(!end);
}catch( IOException e){
e.printStackTrace();
}
return loadedData;
fileManager.loadListFromFile().forEach(product -> loadedData.put(product.getId(), product));
products = new HashMap<>(loadedData);
}
private void saveToFile() {
save(this.products);
}
private void save(Map<Long, Product> products){
try{
FileUtil.createFileIfNotExist(STOCK_FILE_NAME);
}catch (IOException e){
e.printStackTrace();
return;
}
try(FileOutputStream fos = new FileOutputStream(STOCK_FILE_NAME);
ObjectOutputStream oos = new ObjectOutputStream(fos)){
products.values().stream().forEach(p -> {
try {
oos.writeObject(p);
} catch (IOException e) {
e.printStackTrace();
}
});
}catch(IOException e){
e.printStackTrace();
}
fileManager.saveListToFile(new ArrayList<>(products.values()));
}
}