com.sun.webui.jsf.validator.ValueMatchesOptionsValidator Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the license at
* https://woodstock.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at https://woodstock.dev.java.net/public/CDDLv1.0.html.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* you own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.webui.jsf.validator;
import java.io.Serializable;
import java.lang.reflect.Array;
import java.text.MessageFormat;
import java.util.Iterator;
import java.util.List;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import com.sun.webui.jsf.component.ListSelector;
import com.sun.webui.jsf.model.list.ListItem;
import com.sun.webui.theme.Theme;
import com.sun.webui.jsf.util.ThemeUtilities;
/**
* Use this validator to check the number of characters in a string when
* you need to set the validation messages.
*
* @author avk
*/
public class ValueMatchesOptionsValidator implements Validator, Serializable {
/**
* The converter id for this converter.
*/
public static final String VALIDATOR_ID = "com.sun.webui.jsf.ValueMatchesOptions";
/**
* Error message used if the value is not in the option.
*/
private String message = null;
private static final boolean DEBUG = false;
/** Creates a new instance of StringLengthValidator */
public ValueMatchesOptionsValidator() {
}
/**
* Validate the value with regard to a UIComponent and a
* FacesContext.
*
* @param context The FacesContext
* @param component The component to be validated
* @param value The submitted value of the component
*
* @exception ValidatorException if the value is not valid
*/
public void validate(FacesContext context,
UIComponent component,
Object value) throws ValidatorException {
if(DEBUG) log("validate()");
if((context == null) || (component == null)) {
String message = "Context or component is null";
if(DEBUG) log("\t" + message);
throw new NullPointerException(message);
}
if(!(component instanceof ListSelector)) {
String message = this.getClass().getName() +
" can only be used with components which subclass " +
ListSelector.class.getName();
if(DEBUG) log("\t" + message);
throw new RuntimeException(message);
}
ListSelector list = (ListSelector)component;
Object valuesAsArray = null;
if(value instanceof List) {
if(DEBUG) log("\tValue is list");
valuesAsArray = ((List)value).toArray();
} else if(value.getClass().isArray()) {
if(DEBUG) log("\tValue is array");
valuesAsArray = value;
} else {
if(DEBUG) log("\tValue is object");
valuesAsArray = new Object[]{ value };
}
int numValues = Array.getLength(valuesAsArray);
if( numValues == 0) {
if(DEBUG) log("\tArray is empty - values are OK");
return;
}
Object currentValue = null;
Iterator itemsIterator = null;
ListItem listItem = null;
Object listObject = null;
boolean foundValue = false;
boolean error = false;
for(int counter=0; counter< numValues; ++counter) {
currentValue = Array.get(valuesAsArray, counter);
itemsIterator = list.getListItems();
foundValue = false;
if(DEBUG) log("\tChecking: " + String.valueOf(currentValue));
while(itemsIterator.hasNext()) {
listObject = itemsIterator.next();
if(!(listObject instanceof ListItem)) {
continue;
}
listItem = (ListItem)listObject;
if(DEBUG) log("ListItem is " + listItem.getLabel());
if(currentValue.equals(listItem.getValueObject())) {
if(DEBUG) log("Found match");
foundValue = true;
break;
}
}
if(!foundValue) {
if(DEBUG) log("No match found");
error = true;
break;
}
}
if(error) {
if(message == null) {
Theme theme = ThemeUtilities.getTheme(context);
message = ThemeUtilities.getTheme(context).getMessage
("ListSelector.badValue");
}
throw new ValidatorException(new FacesMessage(message));
}
}
private void log(String s) {
System.out.println(this.getClass().getName() + "::" + s); //NOI18N
}
/**
* Getter for property message.
* @return Value of property message.
*/
public String getMessage() {
return this.message;
}
/**
* Setter for property message.
* @param message New value of property message.
*/
public void setMessage(String message) {
this.message = message;
}
}