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20240528-BJava
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Patryk Czarnik
20240528-BJava
Commits
344d568d
Commit
344d568d
authored
Jun 14, 2024
by
Patryk Czarnik
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RProducts - wiele metod dla formatu JSON
parent
74088399
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48 additions
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4 deletions
+48
-4
RProducts.java
PC27-RestSerwer/src/main/java/sklep/rest/RProducts.java
+48
-4
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PC27-RestSerwer/src/main/java/sklep/rest/RProducts.java
View file @
344d568d
package
sklep
.
rest
;
package
sklep
.
rest
;
import
jakarta.ws.rs.GET
;
import
jakarta.ws.rs.*
;
import
jakarta.ws.rs.Path
;
import
jakarta.ws.rs.PathParam
;
import
jakarta.ws.rs.Produces
;
import
sklep.db.DBConnection
;
import
sklep.db.DBConnection
;
import
sklep.db.DBException
;
import
sklep.db.DBException
;
import
sklep.db.ProductDAO
;
import
sklep.db.ProductDAO
;
import
sklep.db.RecordNotFound
;
import
sklep.db.RecordNotFound
;
import
sklep.model.Product
;
import
sklep.model.Product
;
import
java.math.BigDecimal
;
import
java.util.List
;
import
java.util.List
;
@Path
(
"/products"
)
@Path
(
"/products"
)
...
@@ -32,4 +30,50 @@ public class RProducts {
...
@@ -32,4 +30,50 @@ public class RProducts {
return
productDAO
.
findById
(
productId
);
return
productDAO
.
findById
(
productId
);
}
}
}
}
@POST
@Consumes
(
"application/json"
)
public
void
saveProduct
(
Product
product
)
throws
DBException
{
try
(
DBConnection
db
=
DBConnection
.
open
())
{
ProductDAO
productDAO
=
db
.
productDAO
();
productDAO
.
save
(
product
);
db
.
commit
();
}
}
// Nie praktykuje się tego zbyt często, ale można zdefiniować dedykowane metody dające dostęp do poszczególnych pól obiektu (aby nie transferować całego rekordu, gdy potrzebna tylko jedna informacja)
@GET
@Path
(
"/{id}/price"
)
// przykładowo /api/products/3/price
public
BigDecimal
getPrice
(
@PathParam
(
"id"
)
int
productId
)
throws
DBException
,
RecordNotFound
{
return
oneProduct
(
productId
).
getPrice
();
}
@PUT
@Path
(
"/{id}/price"
)
@Consumes
(
"application/json"
)
public
void
setPrice
(
@PathParam
(
"id"
)
int
productId
,
BigDecimal
newPrice
)
throws
DBException
,
RecordNotFound
{
try
(
DBConnection
db
=
DBConnection
.
open
())
{
ProductDAO
productDAO
=
db
.
productDAO
();
Product
product
=
productDAO
.
findById
(
productId
);
product
.
setPrice
(
newPrice
);
productDAO
.
save
(
product
);
db
.
commit
();
}
}
@GET
@Path
(
"/{id}/photo"
)
// przykładowo /api/products/3/photo
@Produces
(
"image/jpeg"
)
public
byte
[]
getPhoto
(
@PathParam
(
"id"
)
int
productId
)
throws
DBException
,
RecordNotFound
{
return
PhotoUtil
.
readBytes
(
productId
);
}
@PUT
@Path
(
"/{id}/photo"
)
@Consumes
(
"image/jpeg"
)
public
void
getPhoto
(
@PathParam
(
"id"
)
int
productId
,
byte
[]
bajty
)
{
PhotoUtil
.
writeBytes
(
productId
,
bajty
);
}
}
}
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