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20 package org.apache.myfaces.tobago.internal.component;
21
22 import org.apache.myfaces.tobago.component.SupportFieldId;
23 import org.apache.myfaces.tobago.component.SupportsHelp;
24 import org.apache.myfaces.tobago.component.SupportsLabelLayout;
25 import org.apache.myfaces.tobago.component.Visual;
26 import org.apache.myfaces.tobago.util.ComponentUtils;
27 import org.apache.myfaces.tobago.util.MessageUtils;
28
29 import javax.faces.application.FacesMessage;
30 import javax.faces.component.UIInput;
31 import javax.faces.component.behavior.ClientBehaviorHolder;
32 import javax.faces.context.FacesContext;
33 import javax.servlet.http.Part;
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37
38 public abstract class AbstractUIFile extends UIInput implements SupportsLabelLayout, Visual, ClientBehaviorHolder,
39 SupportFieldId, SupportsHelp {
40
41 private transient boolean nextToRenderIsLabel;
42
43 @Override
44 public void validate(final FacesContext facesContext) {
45 if (isRequired()) {
46 if (getSubmittedValue() instanceof Part) {
47 final Part file = (Part) getSubmittedValue();
48 if (file == null || file.getName().length() == 0) {
49 addErrorMessage(facesContext);
50 setValid(false);
51 }
52 } else {
53 addErrorMessage(facesContext);
54 setValid(false);
55 }
56 }
57 super.validate(facesContext);
58 }
59
60 private void addErrorMessage(final FacesContext facesContext) {
61 facesContext.addMessage(getClientId(facesContext),
62 MessageUtils.getMessage(facesContext, FacesMessage.SEVERITY_ERROR, REQUIRED_MESSAGE_ID, getId()));
63 }
64
65 public abstract boolean isDisabled();
66
67 public abstract boolean isReadonly();
68
69 public abstract boolean isMultiple();
70
71 public abstract Integer getTabIndex();
72
73 public abstract String getPlaceholder();
74
75 @Override
76 public String getFieldId(final FacesContext facesContext) {
77 return getClientId(facesContext) + ComponentUtils.SUB_SEPARATOR + "field";
78 }
79
80 @Override
81 public boolean isNextToRenderIsLabel() {
82 return nextToRenderIsLabel;
83 }
84
85 @Override
86 public void setNextToRenderIsLabel(final boolean nextToRenderIsLabel) {
87 this.nextToRenderIsLabel = nextToRenderIsLabel;
88 }
89 }