So, I’m currently working with JSF trying to create a simple project that takes input from a JSF inputText field, does something to it, and then spits it back out. Unfortunately i’ve reached an infuriating roadblock when trying to pull data from the inputText field. Whenever I attempt to pull from this field, it always returns null, even though there is obviously data in the field. Also, whenever I pull data from this inputText field, the field goes blank. Help with this issue would be greatly appreciated. Here is my code:
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html">
<h:head>
<title>Title</title>
</h:head>
<h:body>
<h:inputText id="username" required="true"
binding="#{mBean.searchField}" />
<h:button onclick="#{mBean.pull()}"/>
<script type="text/javascript" language="javascript">
function doThing(i){
document.getElementById('myDiv').innerHTML = i;
}
</script>
<button onclick="alert('clicked')" onmouseup="doThing('#{mBean.value}')">display</button><br/>
<div id="myDiv"></div>
</h:body>
and then the backend managed bean is as follows:
package bean;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.component.UIInput;
@ManagedBean
@RequestScoped
public class MBean {
/**
* Creates a new instance of MBean
*/
public String value;
public String otherValue;
public UIInput searchField;
public MBean() {
System.out.println("starting mbean");
}
public String getValue() {
System.out.println("returning first value " + value);
return value;
}
public void setValue(String v) {
this.value = v;
System.out.println("setting value to " + v);
}
public void report(){
System.out.print("SUBMIT----");
System.out.println("value: " + value);
System.out.println("otherValue: " + otherValue);
}
public String getOtherValue() {
System.out.println("got " + otherValue);
return otherValue;
}
public void pull(){
value = (String)searchField.getValue();
System.out.println("pulled value is " + value);
}
public void setOtherValue(String otherValue) {
this.otherValue = otherValue;
System.out.println("otherValue was set to " + otherValue);
}
public UIInput getSearchField() {
return searchField;
}
public void setSearchField(UIInput searchField) {
this.searchField = searchField;
}
}
I’ve been pulling my hair trying to figure this out for hours, so any help is very welcome. Thanks in advance,
-Paul
Try: