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// Portions Copyright [2019] Payara Foundation and/or affiliates
package org.glassfish.resources.module;
import com.sun.enterprise.config.serverbeans.Resources;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.logging.LogDomains;
import org.glassfish.resourcebase.resources.api.ResourceConflictException;
import org.glassfish.resources.api.Resource;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import static org.glassfish.resources.admin.cli.ResourceConstants.*;
/** A class that holds utility/helper routines. Expected to contain static
* methods to perform utility operations.
*
* @since Appserver 9.0
*/
public class ResourceUtilities {
private final static Logger _logger = LogDomains.getLogger(ResourceUtilities.class, LogDomains.RSR_LOGGER);
private final static StringManager localStrings =
StringManager.getManager(ResourceUtilities.class);
private ResourceUtilities()/*disallowed*/ {
}
/**
* Checks if any of the Resource in the given set has a conflict with
* resource definitions in the domain.xml. A conflict is defined
* based on the type of the resource. For example, a JDBC Resource has "jndi-name"
* that is the identifying key where as for a JDBC Connection Pool, it is
* the "name" that must be unique.
* @param resSet a Set of Resource elements.
* @param resources instance of ConfigContext that you want to confirm this against. May not be null.
* @return a Set of Resource elements that contains conflicting elements from the given Set. This
* method does not create any Resource elements. It just references an element in conflict
* from a Set that is returned. If there are no conflicts, an empty Set is returned. This method
* never returns a null. If the given Set is null, an empty Set is returned.
*/
public static Set getResourceConfigConflicts(final Set resSet,
final Resources resources) {
final Set conflicts = new HashSet();
if (resSet != null) {
for (final org.glassfish.resources.api.Resource res : resSet) {
boolean duplicate = hasDuplicate(resources, res);
if (duplicate) {
conflicts.add(res);
}
}
}
return ( conflicts );
}
private static boolean hasDuplicate(Resources resources, Resource res) {
final String id = getIdToCompare(res);
return resources.getResourceByName(res.getClass(), id) != null;
}
private static String getIdToCompare(final Resource res) {
final HashMap attrs = res.getAttributes();
final String type = res.getType();
String id;
if (org.glassfish.resources.api.Resource.JDBC_CONNECTION_POOL.equals(type) ||
Resource.CONNECTOR_CONNECTION_POOL.equals(type)){
id = getNamedAttributeValue(attrs, CONNECTION_POOL_NAME); // this should come from refactored stuff TBD
}
else if (org.glassfish.resources.api.Resource.CONNECTOR_SECURITY_MAP.equals(type)) {
id = getNamedAttributeValue(attrs, SECURITY_MAP_NAME); // this should come from refactored stuff TBD
}
else if (org.glassfish.resources.api.Resource.RESOURCE_ADAPTER_CONFIG.equals(type)) {
id = getNamedAttributeValue(attrs, RESOURCE_ADAPTER_CONFIG_NAME); // this should come from refactored stuff TBD
}
else if(org.glassfish.resources.api.Resource.CONNECTOR_WORK_SECURITY_MAP.equals(type)){
id = getNamedAttributeValue(attrs, WORK_SECURITY_MAP_NAME);
}
else {
//it is OK to assume that this Resource will one of the *RESOURCEs?
id = getNamedAttributeValue(attrs, JNDI_NAME); // this should come from refactored stuff TBD
}
return ( id );
}
private static String getNamedAttributeValue(final HashMap attributes, final String name) {
return (String)attributes.get(name);
}
/**
* Resolves all duplicates and conflicts within an archive and returns a set
* of resources that needs to be created for the archive being deployed. The
* deployment backend would then use these set of resources to check for
* conflicts with resources existing in domain.xml and then continue
* with deployment.
*
* All resource duplicates within an archive found are flagged with a
* WARNING and only one resource is added in the final Resource
* Set returned.
*
* We currently do not handle any resource conflicts found within the archive
* and the method throws an exception when this condition is detected.
*
* @param sunResList a list of SunResourcesXML corresponding to
* sun-resources.xml found within an archive.
*
* @return a Set of Resources that have been resolved of
* duplicates and conflicts.
*
* @throws org.glassfish.resources.api.ResourceConflictException an exception is thrown when an archive is found to
* have two or more resources that conflict with each other.
*/
public static Set resolveResourceDuplicatesConflictsWithinArchive(
List sunResList) throws ResourceConflictException {
boolean conflictExist = false;
StringBuilder conflictingResources = new StringBuilder();
Set resourceSet = new HashSet();
Iterator sunResourcesXMLIter = sunResList.iterator();
while(sunResourcesXMLIter.hasNext()){
//get list of resources from one sun-resources.xml file
org.glassfish.resources.admin.cli.SunResourcesXML sunResXML = sunResourcesXMLIter.next();
List resources = sunResXML.getResourcesList();
Iterator resourcesIter = resources.iterator();
//for each resource mentioned
while(resourcesIter.hasNext()){
org.glassfish.resources.api.Resource res = resourcesIter.next();
Iterator resSetIter = resourceSet.iterator();
boolean addResource = true;
//check if a duplicate has already been added
while(resSetIter.hasNext()){
Resource existingRes = resSetIter.next();
if(existingRes.equals(res)){
//duplicate within an archive
addResource = false;
_logger.warning(localStrings.getString("duplicate.resource.sun.resource.xml",
getIdToCompare(res), sunResXML.getXMLPath()));
break;
}
//check if another existing resource conflicts with the
//resource being added
if(existingRes.isAConflict(res)){
//conflict within an archive
addResource = false;
conflictingResources.append("\n");
String message = localStrings.getString("conflict.resource.sun.resource.xml",
getIdToCompare(res), sunResXML.getXMLPath());
conflictingResources.append(message);
_logger.warning(message);
if(_logger.isLoggable(Level.FINE))
logAttributes(res);
}
}
if(addResource)
resourceSet.add(res);
}
}
if(conflictingResources.toString().length() > 0){
throw new ResourceConflictException(conflictingResources.toString());
}
return resourceSet;
}
/**
* Checks if any of the Resource in the given set has a conflict with
* resource definitions in the domain.xml. A conflict is defined
* based on the type of the resource. For example, a JDBC Resource has "jndi-name"
* that is the identifying key where as for a JDBC Connection Pool, it is
* the "name" that must be unique.
*
* @param resList a Set of Resource elements.
* @param resources all resources from domain.xml
*
* @throws org.glassfish.resources.api.ResourceConflictException an exception is thrown when an archive is found to
* have two or more resources that conflict with resources already present in domain.xml.
*/
public static void getResourceConflictsWithDomainXML(final List resList,
final Resources resources) throws ResourceConflictException {
if (resList != null) {
Iterator iterRes = resList.iterator();
StringBuilder conflictingResources = new StringBuilder();
while (iterRes.hasNext()) {
org.glassfish.resources.api.Resource res = iterRes.next();
final String id = getIdToCompare(res);
if (resources.getResourceByName(res.getClass(), id) != null) {
conflictingResources.append("\n");
String message = localStrings.getString("conflict.resource.with.domain.xml",
getIdToCompare(res));
conflictingResources.append(message);
_logger.warning(message);
if(_logger.isLoggable(Level.FINE))
logAttributes(res);
}
}
if(conflictingResources.toString().length() > 0){
throw new ResourceConflictException(conflictingResources.toString());
}
}
}
private static void logAttributes(Resource res) {
StringBuilder message = new StringBuilder();
Set entries = res.getAttributes().entrySet();
Iterator entriesIter = entries.iterator();
while(entriesIter.hasNext()){
Map.Entry entry = entriesIter.next();
message.append(entry.getKey());
message.append("=");
message.append(entry.getValue());
message.append(" ");
}
if (_logger.isLoggable(Level.FINE)) {
_logger.fine(localStrings.getString("resource.attributes",
message.toString()));
}
}
}
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