[英]Autowire annotation working in Controller but not anywhere else?
[英]@autowire annotation not working
我有一個控制器GGSNAcceptController.java:
package com.viettel.pcrf.controller;
import com.viettel.fw.Exception.LogicException;
import com.viettel.fw.dto.BaseMessage;
import com.viettel.fw.web.controller.BaseController;
import com.viettel.pcrf.common.Const;
import com.viettel.pcrf.dto.GgsnAcceptDTO;
import com.viettel.pcrf.webconfig.service.GgsnAcceptService;
import java.io.Serializable;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
@Component
@ManagedBean(name = "ggsnAcceptController")
@Scope("view")
public class GGSNAcceptController extends BaseController implements Serializable, BaseTableCTRL {
/**
* VARIABLES & GETTER/SETTER
*/
private GgsnAcceptDTO ggsnAccept;
private GgsnAcceptDTO selectedGgsnAccept;
private List<GgsnAcceptDTO> listGgsnAccept;
public GgsnAcceptDTO getGgsnAccept() {
return ggsnAccept;
}
public void setGgsnAccept(GgsnAcceptDTO ggsnAccept) {
this.ggsnAccept = ggsnAccept;
}
public GgsnAcceptDTO getSelectedGgsnAccept() {
return selectedGgsnAccept;
}
public void setSelectedGgsnAccept(GgsnAcceptDTO selectedGgsnAccept) {
this.selectedGgsnAccept = selectedGgsnAccept;
}
public List<GgsnAcceptDTO> getListGgsnAccept() {
return listGgsnAccept;
}
public void setListGgsnAccept(List<GgsnAcceptDTO> listGgsnAccept) {
this.listGgsnAccept = listGgsnAccept;
}
/**
* SERVICE
*
*/
@Autowired
private GgsnAcceptService ggsnAcceptServ;
/**
* INIT
*
*/
@PostConstruct
@Override
public void init() {
updateCtrl();
}
@Override
public void updateCtrl() {
clear();
System.out.println(ggsnAcceptServ == null);
listGgsnAccept = ggsnAcceptServ.findAll();
}
private String ggsnAcceptSelected;
@Override
public void updateDB() {
try {
if (ggsnAccept == null) {
throw new LogicException("nullSelected", "GGSN Config is not yet selected!");
}
if (formStatus == Const.BTN_ADD && ggsnAcceptServ.isExisted(ggsnAccept)) {
throw new LogicException("insertExisted", "GGSN Config existed!");
}
// if (systemCfgSelected != null && systemCfgSelected.equals(systemCfg.getSystemCfgName()) && langServ.isExisted(systemCfg)) {
// throw new LogicException("updateExisted", "GGSN Config is existed!");
// }
BaseMessage msg = ggsnAcceptServ.updateGgsn(ggsnAccept);
if (msg.isSuccess()) {
reportSuccess("msgInfo", "Success");
}
updateCtrl();
selectedGgsnAccept = (GgsnAcceptDTO) msg.getOutputObject();
} catch (LogicException ex) {
reportError("msgInfo", ex.getDescription());
} catch (Exception ex) {
logger.error(ex, ex);
}
}
@Override
public void deleteDB() {
try {
if (ggsnAccept == null) {
throw new LogicException("nullSelected", "GGSN Config is not selected yet!");
}
BaseMessage msg = ggsnAcceptServ.deleteGgsn(ggsnAccept);
if (msg.isSuccess()) {
reportSuccess("msgInfo", "msg.delete.success");
}
updateCtrl();
} catch (LogicException ex) {
reportError("msgInfo", ex.getDescription());
} catch (Exception ex) {
logger.error(ex, ex);
}
}
@Override
public void prepareAdd() {
ggsnAccept = new GgsnAcceptDTO();
selectedGgsnAccept = null;
}
@Override
public void prepareEdit() {
if (selectedGgsnAccept != null) {
ggsnAccept = selectedGgsnAccept;
}
}
@Override
public void prepareDelete() {
if (selectedGgsnAccept != null) {
ggsnAccept = selectedGgsnAccept;
}
}
@Override
public void clear() {
selectedGgsnAccept = null;
ggsnAccept = null;
}
@Override
public void onRowChangeListener() {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
}
接口GgsnAcceptService.java:
package com.viettel.pcrf.webconfig.service;
import com.viettel.fw.dto.BaseMessage;
import com.viettel.pcrf.dto.GgsnAcceptDTO;
import java.util.List;
public interface GgsnAcceptService {
public List<GgsnAcceptDTO> findAll();
public List<GgsnAcceptDTO> findAll(List filters);
public BaseMessage updateGgsn(GgsnAcceptDTO ggsn) throws Exception;
public BaseMessage deleteGgsn(GgsnAcceptDTO ggsn) throws Exception;
public boolean isExisted(GgsnAcceptDTO ggsn) throws Exception;
}
和一個類實現以上接口:
package com.viettel.pcrf.webconfig.service;
import com.viettel.fw.common.util.extjs.FilterRequest;
import com.viettel.fw.dto.BaseMessage;
import com.viettel.pcrf.webconfig.repo.GgsnAcceptRepository;
import com.viettel.pcrf.common.util.mapper.GgsnAcceptMapper;
import com.viettel.pcrf.dto.GgsnAcceptDTO;
import java.util.List;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.viettel.service.BaseServiceImpl;
import java.util.ArrayList;
@Service
public class GgsnAcceptServiceImpl extends BaseServiceImpl implements GgsnAcceptService {
private GgsnAcceptMapper mapper = new GgsnAcceptMapper();
@Autowired
private GgsnAcceptRepository repository;
public Logger logger = Logger.getLogger(GgsnAcceptService.class);
@Override
public List<GgsnAcceptDTO> findAll(List filters) {
return mapper.toDtoBean(repository.findAll(repository.toPredicate(filters)));
}
@Override
public List<GgsnAcceptDTO> findAll() {
return mapper.toDtoBean(repository.findAll());
}
@Override
public BaseMessage updateGgsn(GgsnAcceptDTO ggsn) throws Exception {
BaseMessage msg = new BaseMessage();
GgsnAcceptDTO newGgsn = mapper.toDtoBean(repository.saveAndFlush(mapper.toPersistenceBean(ggsn)));
msg.setOutputObject(newGgsn);
msg.setSuccess(true);
return msg;
}
@Override
public boolean isExisted(GgsnAcceptDTO ggsn) throws Exception {
List<FilterRequest> listReq = new ArrayList<>();
listReq.add(new FilterRequest("IP", ggsn.getIp()));
return repository.findOne(repository.toPredicate(listReq)) != null;
}
@Override
public BaseMessage deleteGgsn(GgsnAcceptDTO ggsn) throws Exception {
BaseMessage msg = new BaseMessage();
repository.delete(mapper.toPersistenceBean(ggsn));
msg.setSuccess(true);
return msg;
}
}
嘗試訪問頁面調用控制器時出現空錯誤。 我的代碼有什么問題嗎? 我的財產
ggsnAcceptServ總是為空,盡管我已經為其設置了自動裝配。 我是Spring的新手,請幫助解釋為什么此屬性為null。 任何幫助都會很棒。
您在混合jsf和spring時遇到問題:
@Component
@ManagedBean(name = "ggsnAcceptController")
@Scope("view")
您的控制器將在jsf上下文中執行,而不是在spring上下文中執行。 這就是為什么自動布線不起作用的原因。
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