com.izforge.izpack.util.PasswordEqualityValidator Maven / Gradle / Ivy
/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2003 Elmar Grom
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.izforge.izpack.util;
import com.izforge.izpack.panels.PasswordGroup;
import com.izforge.izpack.panels.ProcessingClient;
import com.izforge.izpack.panels.Validator;
import java.util.Map;
/**
* This class represents a simple validator for passwords to test equality. It is
* based on the example implementation of a password validator that cooperates with the
* password field in the UserInputPanel. Additional validation may
* be done by utilizing the params added to the password field.
*
* @author Elmar Grom
* @author Jeff Gordon
*/
public class PasswordEqualityValidator implements Validator
{
/**
* PasswordEqualityValidator
* Validates the contend of multiple password fields. The test
*
* @param client the client object using the services of this validator.
* @return true if the validation passes, otherwise false.
*/
public boolean validate(ProcessingClient client)
{
boolean returnValue = false;
Map params = getParams(client);
try
{
returnValue = fieldsMatch(client);
if (returnValue)
{
// Additional checking if params passed...
if (params != null)
{
System.out.println("Additional " + params.size() + " params not evaluated");
}
}
}
catch (Exception e)
{
System.out.println("validate() Failed: " + e);
}
return (returnValue);
}
private Map getParams(ProcessingClient client)
{
PasswordGroup group = null;
Map params = null;
try
{
group = (PasswordGroup) client;
if (group.hasParams())
{
params = group.getValidatorParams();
}
}
catch (Exception e)
{
System.out.println("getParams() Failed: " + e);
}
return (params);
}
private boolean fieldsMatch(ProcessingClient client)
{
boolean returnValue = true;
int numFields = client.getNumFields();
// ----------------------------------------------------
// verify that there is more than one field. If there
// is only one field we have to return true.
// ----------------------------------------------------
if (numFields < 2)
{
returnValue = true;
}
else
{
String content = client.getFieldContents(0);
for (int i = 1; i < numFields; i++)
{
if (!content.equals(client.getFieldContents(i)))
{
returnValue = false;
}
}
}
return returnValue;
}
}