/*
* The Kuali Financial System, a comprehensive financial management system for higher education.
*
* Copyright 2005-2014 The Kuali Foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.kuali.kfs.sys.document.validation.impl;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.List;
import org.kuali.kfs.sys.document.AccountingDocument;
import org.kuali.kfs.sys.document.validation.GenericValidation;
import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
import org.kuali.rice.krad.util.GlobalVariables;
import org.kuali.rice.krad.util.ObjectUtils;
/**
* GenericValidation to check if the required number of accounting lines in a given accounting line group has been met
*/
public class RequiredAccountingLinesCountValidation extends GenericValidation {
private String accountingLineGroupName;
private int minimumNumber;
protected String accountingLineGroupPropertyName;
protected String errorMessageName;
private AccountingDocument accountingDocumentForValidation;
private static final String ACCOUNTING_LINES_GROUP_PROPERTY_SUFFIX = "AccountingLines";
/**
* Checks that the number of accounting lines in the accounting line group (named by the accountingLineGroupPropertyName property)
* is greater than the set minimum number of accounting lines.
* <strong>This validation expects the document to be sent in as a property.</strong>
* @see org.kuali.kfs.sys.document.validation.GenericValidation#validate(java.lang.Object[])
*/
public boolean validate(AttributedDocumentEvent event) {
List accountingLineGroup = (List)ObjectUtils.getPropertyValue(accountingDocumentForValidation, accountingLineGroupPropertyName);
if (accountingLineGroup.size() < minimumNumber) {
GlobalVariables.getMessageMap().putError(accountingLineGroupPropertyName, errorMessageName, new String[] { discoverGroupTitle(accountingDocumentForValidation) });
return false;
}
return true;
}
/**
* Returns the title of the given accounting line group on the document
* @return an accounting line group title
*/
protected String discoverGroupTitle(AccountingDocument document) {
String title = accountingLineGroupName;
Method groupTitleMethod = discoverGroupTitleMethod(document);
if (groupTitleMethod != null) {
try {
title = (String)groupTitleMethod.invoke(document, new Object[0]);
}
catch (IllegalAccessException iae) {
throw new RuntimeException(iae);
}
catch (InvocationTargetException ite) {
throw new RuntimeException(ite);
}
}
return title;
}
/**
* Looks up what should be the method on the AccountingDocument class that returns the group title
* @return
*/
protected Method discoverGroupTitleMethod(AccountingDocument document) {
Method groupTitleMethod = null;
try {
String methodName = new StringBuilder().append("get").append(accountingLineGroupPropertyName.substring(0, 1).toUpperCase()).append(accountingLineGroupPropertyName.substring(1)).append("SectionTitle").toString();
groupTitleMethod = document.getClass().getMethod(methodName, new Class[0]);
}
catch (SecurityException se) {
throw new RuntimeException(se);
}
catch (NoSuchMethodException nsme) {
throw new RuntimeException(nsme);
}
return groupTitleMethod;
}
/**
* Gets the accountingLineGroupName attribute.
* @return Returns the accountingLineGroupName.
*/
public String getAccountingLineGroupName() {
return accountingLineGroupName;
}
/**
* Sets the accountingLineGroupName attribute value.
* @param accountingLineGroupName The accountingLineGroupName to set.
*/
public void setAccountingLineGroupName(String accountingLineGroupName) {
this.accountingLineGroupName = accountingLineGroupName;
this.accountingLineGroupPropertyName = new StringBuilder().append(this.accountingLineGroupName).append(RequiredAccountingLinesCountValidation.ACCOUNTING_LINES_GROUP_PROPERTY_SUFFIX).toString();
this.errorMessageName = new StringBuilder().append("error.document.").append(accountingLineGroupName).append("SectionNoAccountingLines").toString();
}
/**
* Gets the minimumNumber attribute.
* @return Returns the minimumNumber.
*/
public int getMinimumNumber() {
return minimumNumber;
}
/**
* Sets the minimumNumber attribute value.
* @param minimumNumber The minimumNumber to set.
*/
public void setMinimumNumber(int minimumNumber) {
this.minimumNumber = minimumNumber;
}
/**
* Gets the accountingDocumentForValidation attribute.
* @return Returns the accountingDocumentForValidation.
*/
public AccountingDocument getAccountingDocumentForValidation() {
return accountingDocumentForValidation;
}
/**
* Sets the accountingDocumentForValidation attribute value.
* @param accountingDocumentForValidation The accountingDocumentForValidation to set.
*/
public void setAccountingDocumentForValidation(AccountingDocument accountingDocumentForValidation) {
this.accountingDocumentForValidation = accountingDocumentForValidation;
}
}