[JBoss Seam] - Re: IllegalArgumentException: Stack must not be null
by laksu
/*
| * CategoryActionBean.java
| *
| * Created on July 11, 2007, 3:45 PM
| *
| * To change this template, choose Tools | Template Manager
| * and open the template in the editor.
| */
|
| package datassist.payroll.action;
|
|
| import datassist.payroll.entity.ChildValuesPresentException;
| import datassist.payroll.entity.NotFocusedException;
| import datassist.payroll.entity.value.Value;
| import java.util.Date;
| import java.util.List;
| import org.jboss.seam.ScopeType;
| import org.jboss.seam.annotations.Name;
| import org.jboss.seam.annotations.Out;
| import org.jboss.seam.annotations.In;
| import org.jboss.seam.annotations.Begin;
| import org.jboss.seam.annotations.End;
| import org.jboss.seam.annotations.Scope;
| import datassist.payroll.entity.Category;
| import datassist.payroll.entity.variable.Variable;
| import java.io.Serializable;
| import org.hibernate.Session;
| import org.jboss.seam.annotations.FlushModeType;
| import org.jboss.seam.annotations.Logger;
| import org.jboss.seam.core.Events;
| import org.jboss.seam.faces.FacesMessages;
| import org.jboss.seam.log.Log;
|
|
| @Name("categoryAction")
| @Scope(ScopeType.CONVERSATION)
| public class CategoryAction implements Serializable {
|
| public CategoryAction() {
|
| }
| private static final String updateState="update";
| private static final String correctState="correct";
|
| @In(create=true)
| private Session hibernateSession;
|
| @In(value="facesMessages")
| FacesMessages messages;
|
| @Out @In(required=false)
| Category category;
|
| public String state;
| private Date lastEffectiveDate=new Date();
|
| @Begin(flushMode=FlushModeType.MANUAL)
| public String nevv(String categoryType){
| category = new Category();
| logger.debug("nevv:categoryType ="+categoryType);
| category.setType(categoryType);
| category.edit();
| category.sortValues();
| return "categoryDefine";
| }
|
| @Begin(flushMode=FlushModeType.MANUAL)
| public String nevvBelow(CategoryNode selection) {
| category = new Category();
| Category parent = selection.value;
| logger.debug("nevvBelow:Category below=" + parent);
| hibernateSession.refresh(parent);
| category.setType(parent.getType());
| category.setParentCategory(parent);
| category.edit();
| logger.debug("nevvBelow Category below another category is created");
| return "categoryDefine";
| }
|
| @Begin(flushMode=FlushModeType.MANUAL)
| public String correct(CategoryNode selection){
| logger.trace("CategoryAction edit selection:"+selection.getValue());
| category=selection.getValue();
| hibernateSession.refresh(category);
| category.edit();
| state=correctState;
| System.out.println("categoryaction correct state:"+state);
| return "categoryEdit";
| }
|
| @Begin(flushMode=FlushModeType.MANUAL)
| public String update(CategoryNode selection){
| logger.trace("CategoryAction edit selection:"+selection.getValue());
| category=selection.getValue();
| hibernateSession.refresh(category);
| category.edit();
| category.sortValues();
| state=updateState;
| System.out.println("categoryaction update state:"+state);
| category.setOldValues(category.getCopyOfValues(category.getCurrentValues()));
| return "categoryEdit";
| }
| //(a)Begin(flushMode=FlushModeType.MANUAL)
| public String show(CategoryNode selection){
| logger.trace("CategoryAction show selection:"+selection.getValue());
| category=selection.getValue();
| hibernateSession.refresh(category);
| category.show();
| return "categoryEdit";
| }
| @Begin(flushMode=FlushModeType.MANUAL)
| public String define(CategoryNode selection){
| logger.trace("CategoryAction define selection:"+selection);
| category=selection.getValue();
| hibernateSession.refresh(category);
| category.edit();
| return "categoryDefine";
| }
|
|
| @End
| public String save(){
| System.out.println("categoryAction save method state:"+state);
| logger.debug("About to saveOrUpdate category:"+category);
| category.stripUnusedValues();
| if (isUpdateState())
| category.arrangeValues(lastEffectiveDate);
| hibernateSession.saveOrUpdate(category);
| Category parent=category.getParentCategory();
| if (parent!=null && !parent.getChildCategories().contains(category))
| parent.addToChildCategories(category);
|
| hibernateSession.flush();
| logger.debug("category saved:"+category);
| messages.add("Category was saved successfully");
| Events.instance().raiseEvent("categoryTreeRefresh");
| category.blur();
| return "categoryTree";
| }
|
| @End
| public String cancel(){
| Events.instance().raiseEvent("categoryTreeClearSelection");
| hibernateSession.evict(category);
| hibernateSession.flush();
| Events.instance().raiseEvent("categoryTreeRefresh");
| category.blur();
| return "categoryTree";
| }
|
| public void addVariable(){
| logger.trace("Adding variable. variableName:"+getVariableName()+" variableType:"+getVariableType());
| try {
| List<Variable> varList=category.getAllVariables();
| if (varList!=null){
| for (Variable var:varList){
| if (var.getName().equals(getVariableName())){
| messages.add("Variable name was already used");
| return;
| }
| }
| }
| Variable variable =(Variable)(Class.forName("datassist.payroll.entity.variable."+getVariableType()).newInstance());
| variable.setName(getVariableName());
| variable.setLabel(getVariableLabel());
| variable.setDescription(getVariableDescription());
| category.addToVariables(variable);
| System.out.println("Variable is created : "+variable);
| category.resetVariables();
| } catch (ClassNotFoundException ex) {
| ex.printStackTrace();
| } catch (IllegalAccessException ex) {
| ex.printStackTrace();
| } catch (InstantiationException ex) {
| ex.printStackTrace();
| } catch (NotFocusedException ex){
| ex.printStackTrace();
| }
| }
|
| public void removeVariable(Variable variableDelete) throws ChildValuesPresentException,NotFocusedException{
| System.out.println("CategoryAction.removeVariable started");
| if (category.checkValuesExistsForOtherCategories(variableDelete)){
| messages.add("Used category cannot be deleted");
| }else{
|
| // TODO: reWrite
| Value valueDelete = variableDelete.getCategory().getCurrentValue(variableDelete);
| category.getValues().remove(valueDelete);
| category.getVariables().remove(variableDelete);
| category.getAllVariables().remove(variableDelete);
| category.resetVariables();
| category.getVariables().remove(variableDelete);
| hibernateSession.delete(variableDelete);
| hibernateSession.flush();
| hibernateSession.refresh(category);
| category.focus();
|
| }
| System.out.println("CategoryAction.removeVariable finished");
| }
|
| public void showChanges(){
| logger.trace("Showing changes");
| }
|
|
| @Logger
| Log logger;
|
| private String variableName;
| private String variableType;
| private String variableLabel;
| private String variableDescription;
|
| public String getVariableName() {
| logger.trace("unitCategoryAction.getVariableName is called");
| return variableName;
| }
|
| public void setVariableName(String variableName) {
| logger.trace("unitCategoryAction.setVariableName is called");
| this.variableName = variableName;
| }
|
| public String getVariableType() {
| return variableType;
| }
|
| public void setVariableType(String variableType) {
| this.variableType = variableType;
| }
|
| public String getVariableLabel() {
| return variableLabel;
| }
|
| public void setVariableLabel(String variableLabel) {
| this.variableLabel = variableLabel;
| }
|
| public String getVariableDescription() {
| return variableDescription;
| }
|
| public void setVariableDescription(String variableDescription) {
| this.variableDescription = variableDescription;
| }
|
| public boolean isUpdateState(){
| if (state==null){
| state="";
| return false;
| }
| return (getState().equals(updateState));
| }
|
| public String getState() {
| return state;
| }
|
| public void setState(String state) {
| this.state = state;
| }
|
| public Date getLastEffectiveDate() {
| return lastEffectiveDate;
| }
|
| public void setLastEffectiveDate(Date lastEffectiveDate) {
| this.lastEffectiveDate = lastEffectiveDate;
| }
| }
|
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18 years, 3 months