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TheCoder4eu/BootsFaces-OSP#919 demo for the converters
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| package net.bootsfaces.demo.selectOneMenu; | ||
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| /** | ||
| * Example taken from : https://memorynotfound.com/using-custom-converter-for-hselectonemenu/ | ||
| */ | ||
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| public class Beer { | ||
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| private Integer id; | ||
| private String brand; | ||
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| public Beer(Integer id, String brand) { | ||
| this.id = id; | ||
| this.brand = brand; | ||
| } | ||
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| public Integer getId() { | ||
| return id; | ||
| } | ||
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| public void setId(Integer id) { | ||
| this.id = id; | ||
| } | ||
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| public String getBrand() { | ||
| return brand; | ||
| } | ||
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| public void setBrand(String brand) { | ||
| this.brand = brand; | ||
| } | ||
| } |
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src/main/java/net/bootsfaces/demo/selectOneMenu/BeerConverter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| package net.bootsfaces.demo.selectOneMenu; | ||
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| import javax.el.ValueExpression; | ||
| import javax.faces.component.UIComponent; | ||
| import javax.faces.context.FacesContext; | ||
| import javax.faces.convert.Converter; | ||
| import javax.faces.convert.FacesConverter; | ||
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| /** | ||
| * Example taken from : https://memorynotfound.com/using-custom-converter-for-hselectonemenu/ | ||
| */ | ||
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| @FacesConverter(value = "beerConverter") | ||
| public class BeerConverter implements Converter { | ||
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| @Override | ||
| public Object getAsObject(FacesContext ctx, UIComponent uiComponent, String beerId) { | ||
| System.out.println("getAsObject:" + beerId); | ||
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| ValueExpression vex = ctx.getApplication().getExpressionFactory().createValueExpression(ctx.getELContext(), | ||
| "#{beersBean}", BeersBean.class); | ||
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| BeersBean beers = (BeersBean) vex.getValue(ctx.getELContext()); | ||
| return beers.getBeer(Integer.valueOf(beerId)); | ||
| } | ||
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| @Override | ||
| public String getAsString(FacesContext facesContext, UIComponent uiComponent, Object beer) { | ||
| System.out.println("getAsString:" + beer); | ||
| return ((Beer) beer).getId().toString(); | ||
| } | ||
| } |
72 changes: 72 additions & 0 deletions
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src/main/java/net/bootsfaces/demo/selectOneMenu/BeersBean.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package net.bootsfaces.demo.selectOneMenu; | ||
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| import java.io.Serializable; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import javax.faces.bean.ManagedBean; | ||
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| /** | ||
| * Example taken from : https://memorynotfound.com/using-custom-converter-for-hselectonemenu/ | ||
| */ | ||
| @ManagedBean | ||
| @javax.faces.bean.ViewScoped | ||
| public class BeersBean implements Serializable { | ||
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| /** | ||
| * | ||
| */ | ||
| private static final long serialVersionUID = -3192521384162408966L; | ||
| private Beer selectedBeer; | ||
| private Beer selectedBeer2; | ||
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| public Beer getSelectedBeer2() { | ||
| return selectedBeer2; | ||
| } | ||
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| public void setSelectedBeer2(Beer selectedBeer2) { | ||
| this.selectedBeer2 = selectedBeer2; | ||
| } | ||
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| private List<Beer> beers; | ||
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| public BeersBean() { | ||
| _init(); | ||
| } | ||
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| public void _init() { | ||
| beers = new ArrayList<Beer>(); | ||
| beers.add(new Beer(10, "La Chouffe")); | ||
| beers.add(new Beer(20, "Stella Artois")); | ||
| beers.add(new Beer(30, "Westmalle Trippel")); | ||
| } | ||
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| public Beer getSelectedBeer() { | ||
| return selectedBeer; | ||
| } | ||
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| public void setSelectedBeer(Beer selectedBeer) { | ||
| System.out.println("set:" + selectedBeer); | ||
| this.selectedBeer = selectedBeer; | ||
| } | ||
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| public List<Beer> getBeers() { | ||
| return beers; | ||
| } | ||
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| public void setBeers(List<Beer> beers) { | ||
| this.beers = beers; | ||
| } | ||
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| public Beer getBeer(Integer id) { | ||
| if (id == null) { | ||
| throw new IllegalArgumentException("no id provided"); | ||
| } | ||
| for (Beer beer : beers) { | ||
| if (id.equals(beer.getId())) { | ||
| return beer; | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
| } |
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