Arkadaşlar bu aralar çok fazla çalışıyorum. Bundan şikayetçimiyim,asla değilim. Hepsi hayallerim için. Belki de benim hayallerimin geçtiği yol ile sizin hayalleriniz kesiştiği için yazılarımı takip ediyorsunuzdur. Ne olursa olsun vazgeçmeyin.İnsan beyni herşeyi öğrenecek güçtedir. Ha rakibiniz 4 saatte siz 6 saattemi öğreniyorsunuz. O 12 saat çalışıyorsa siz 24 saat çalışın.Neyse bu arada bu yazılara bakmadan önce Java'nın Collections kütüphanesine bir göz atın. Ve anlamadığınız her satırı araştırın veya sorun.
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package com.mycompany.putannotation; | |
import javax.ws.rs.*; | |
import javax.ws.rs.core.*; | |
@ApplicationPath("api") | |
public class ApplicationConfig extends Application { | |
} |
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package com.mycompany.restfulwebservice; | |
import javax.ws.rs.*; | |
import javax.ws.rs.core.*; | |
import com.mycompany.putannotation.*; | |
import java.util.List; | |
@Path("items") | |
public class itemRestService { | |
@Context | |
private UriInfo uriInfo; | |
private DataService dt=DataService.getInstance(); | |
@GET | |
@Produces(MediaType.APPLICATION_JSON) | |
public List<item> getItems(){ | |
return dt.getItemList(); | |
} | |
@Path("{sku}") | |
@PUT | |
@Consumes(MediaType.APPLICATION_JSON) | |
public Response createItem(item item, @PathParam("sku") String sku) { | |
if (dt.itemExists(sku)) {//204 | |
return Response.noContent() | |
.build(); | |
} else {//201 | |
dt.createItem(item, sku); | |
return Response.created(uriInfo.getAbsolutePath()) | |
.build(); | |
} | |
} | |
@GET | |
@Path("{sku}") | |
@Produces(MediaType.APPLICATION_JSON) | |
public Response getCustomer(@PathParam("sku") String sku) { | |
item item = dt.getItemBySku(sku); | |
if (item == null) { | |
return Response.status(Response.Status.NOT_FOUND) | |
.build(); | |
} else { | |
return Response.ok() | |
.entity(item) | |
.build(); | |
} | |
} | |
} |
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package com.mycompany.putannotation; | |
import java.util.ArrayList; | |
import java.util.List; | |
public class DataService { | |
private List<item> itemList = new ArrayList<>(); | |
private static DataService ourInstance = new DataService(); | |
public static DataService getInstance() { | |
return ourInstance; | |
} | |
public void createItem(item item, String sku) { | |
item itemToStore = new item(sku); | |
itemToStore.setPrice(item.getPrice()); | |
itemToStore.setName(item.getName()); | |
itemList.add(itemToStore); | |
} | |
public boolean itemExists(String sku) { | |
for (item item : itemList) { | |
if (item.getSku().equals(sku)) { | |
return true; | |
} | |
} | |
return false; | |
} | |
public List<item> getItemList() { | |
return itemList; | |
} | |
public item getItemBySku(String sku) { | |
for (item item : itemList) { | |
if (item.getSku().equals(sku)) { | |
return item; | |
} | |
} | |
return null; | |
} | |
} |
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package com.mycompany.putannotation; | |
import javax.xml.bind.annotation.XmlAttribute; | |
import javax.xml.bind.annotation.XmlRootElement; | |
import java.math.BigDecimal; | |
@XmlRootElement | |
public class item { | |
@XmlAttribute | |
private String sku; | |
private String name; | |
private BigDecimal price; | |
public item() { | |
} | |
public item(String sku) { | |
this.sku = sku; | |
} | |
public String getSku() { | |
return sku; | |
} | |
public String getName() { | |
return name; | |
} | |
public void setName(String name) { | |
this.name = name; | |
} | |
public BigDecimal getPrice() { | |
return price; | |
} | |
public void setPrice(BigDecimal price) { | |
this.price = price; | |
} | |
@Override | |
public boolean equals(Object o) { | |
if (this == o) return true; | |
if (o == null || getClass() != o.getClass()) return false; | |
item item = (item) o; | |
return sku.equals(item.sku); | |
} | |
@Override | |
public int hashCode() { | |
return sku.hashCode(); | |
} | |
@Override | |
public String toString() { | |
return "Item{" + | |
"sku='" + sku + '\'' + | |
", name='" + name + '\'' + | |
", price=" + price + | |
'}'; | |
} | |
} |
Kendinize iyi bakın.İyi çalışmalar...
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