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package org.apache.myfaces.event; |
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import javax.el.ELContext; |
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import javax.el.ValueExpression; |
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import javax.faces.component.StateHolder; |
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import javax.faces.context.FacesContext; |
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import javax.faces.event.AbortProcessingException; |
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import javax.faces.event.ActionEvent; |
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import javax.faces.event.ActionListener; |
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public class SetPropertyActionListener implements ActionListener, StateHolder |
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{ |
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private ValueExpression target; |
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private ValueExpression value; |
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private boolean _transient ; |
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44 | 0 | public SetPropertyActionListener(){} |
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public SetPropertyActionListener(ValueExpression target, ValueExpression value) |
47 | 0 | { |
48 | 0 | this.target = target; |
49 | 0 | this.value = value; |
50 | 0 | } |
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public void processAction(ActionEvent actionEvent) throws AbortProcessingException |
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{ |
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55 | 0 | if( target == null ) |
56 | 0 | throw new AbortProcessingException("@target has not been set"); |
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58 | 0 | if( value == null ) |
59 | 0 | throw new AbortProcessingException("@value has not been set"); |
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61 | 0 | FacesContext ctx = FacesContext.getCurrentInstance(); |
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63 | 0 | if( ctx == null ) |
64 | 0 | throw new AbortProcessingException("FacesContext ctx is null"); |
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66 | 0 | ELContext ectx = ctx.getELContext(); |
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68 | 0 | if( ectx == null ) |
69 | 0 | throw new AbortProcessingException("ELContext ectx is null"); |
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73 | 0 | target.setValue(ectx, value.getValue(ectx)); |
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75 | 0 | } |
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public Object saveState(FacesContext context) |
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{ |
79 | 0 | Object[] state = new Object[2]; |
80 | 0 | state[0] = target; |
81 | 0 | state[1] = value; |
82 | 0 | return state; |
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} |
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public void restoreState(FacesContext context, Object state) |
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{ |
87 | 0 | Object[] values = (Object[]) state; |
88 | 0 | target = (ValueExpression) values[0]; |
89 | 0 | value = (ValueExpression) values[1]; |
90 | 0 | } |
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public boolean isTransient() |
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{ |
94 | 0 | return _transient; |
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} |
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public void setTransient(boolean _transient) |
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{ |
99 | 0 | this._transient = _transient; |
100 | 0 | } |
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public ValueExpression getTarget() |
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{ |
104 | 0 | return target; |
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} |
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public void setTarget(ValueExpression target) |
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{ |
109 | 0 | this.target = target; |
110 | 0 | } |
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public ValueExpression getValue() |
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{ |
114 | 0 | return value; |
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} |
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public void setValue(ValueExpression value) |
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{ |
119 | 0 | this.value = value; |
120 | 0 | } |
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} |