com.sun.webui.jsf.validator.ValueMatchesOptionsValidator Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2018 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://oss.oracle.com/licenses/CDDL+GPL-1.1
* or LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
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;
}
}