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package org.netbeans.modules.j2ee.ddloaders.ejb;
import org.netbeans.modules.schema2beans.BaseBean;
import org.netbeans.modules.j2ee.dd.api.common.CommonDDBean;
import org.netbeans.modules.j2ee.dd.impl.ejb.EjbJarProxy;
/**
*
* @author mkuchtiak
*/
public class EjbJarDDUtils {
private EjbJarDDUtils() {}
/** Finds a name similar to requested that uniquely identifies
* element between the other elements of the same name.
*
* @param elements checked elements
* @param identifier name of tag that contains identification value
* @return a free element name
*/
public static String findFreeName (CommonDDBean[] elements, String identifier, String name) {
if (checkFreeName (elements, identifier, name)) {
return name;
}
for (int i = 1;;i++) {
String destName = name + "_"+i; // NOI18N
if (checkFreeName (elements, identifier, destName)) {
return destName;
}
}
}
/** Test if given name is free in given context.
* @param elements checked elements
* @param identifier name of tag that contains identification value
* @param o object to be checked
* @return true, if such name does not exists
*/
private static boolean checkFreeName (CommonDDBean [] elements, String identifier, Object o) {
for (int i=0; i<elements.length; i++) {
Object val = elements[i].getValue (identifier);
if (val != null && val.equals (o)) {
return false;
}
}
return true;
}
/** Convenient method for getting the BaseBean object from CommonDDBean object
*/
public static BaseBean getBaseBean(CommonDDBean bean) {
if (bean instanceof BaseBean) return (BaseBean)bean;
else if (bean instanceof EjbJarProxy) return (BaseBean) ((EjbJarProxy)bean).getOriginal();
return null;
}
}
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