/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.metamodel.source.hbm.util;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;
import org.hibernate.MappingException;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.classloading.spi.ClassLoaderService;
import org.hibernate.service.classloading.spi.ClassLoadingException;
/**
* Helper class.
*
* @author Gail Badner
*/
public class MappingHelper {
private MappingHelper() {
}
public static String getStringValue(String value, String defaultValue) {
return value == null ? defaultValue : value;
}
public static int getIntValue(String value, int defaultValue) {
return value == null ? defaultValue : Integer.parseInt( value );
}
public static boolean getBooleanValue(String value, boolean defaultValue) {
return value == null ? defaultValue : Boolean.valueOf( value );
}
public static boolean getBooleanValue(Boolean value, boolean defaultValue) {
return value == null ? defaultValue : value;
}
public static Set<String> getStringValueTokens(String str, String delimiters) {
if ( str == null ) {
return Collections.emptySet();
}
else {
StringTokenizer tokenizer = new StringTokenizer( str, delimiters );
Set<String> tokens = new HashSet<String>();
while ( tokenizer.hasMoreTokens() ) {
tokens.add( tokenizer.nextToken() );
}
return tokens;
}
}
public static Class classForName(String className, ServiceRegistry serviceRegistry) {
ClassLoaderService classLoaderService = serviceRegistry.getService( ClassLoaderService.class );
try {
return classLoaderService.classForName( className );
}
catch ( ClassLoadingException e ) {
throw new MappingException( "Could not find class: " + className );
}
}
}