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Micro Distribution of the Payara Project for IBM JDK
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package com.sun.enterprise.security.factory;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
/**
*
* @author monzillo
*/
public class SecurityManagerFactory {
protected SecurityManagerFactory() {
//do not allow creation of this base class directly
}
/**
* find SecurityManager by policy context identifier and name (as
* secondary key). There is a separate SecurityManager for each EJB of
* a module; they all share the same policy context identifier, and are
* differentiated by (ejb) name. There is one SecurityManager per web
* module/policy context identifier.
*
* @param iD2sMmap maps policy context id (as key) to subordinate map
* (as value) of (module) name (as key) to SecurityManagers (as value).
* @param ctxId the policy context identifier (i.e., the primary key of the
* lookup
* @param name the name of the component (e.g., the ejb name when looking up
* an EJBSecurityManager. for WebSecurityManagers this value should be null
* @param remove boolean indicating whether the corresponding SecurityManager
* is to be deleted from the map.
* @return the selected SecurityManager or null.
*/
public T getManager(Map> iD2sMmap,
String ctxId, String name, boolean remove) {
T manager = null;
synchronized (iD2sMmap) {
Map managerMap = iD2sMmap.get(ctxId);
if (managerMap != null) {
manager = managerMap.get(name);
if (remove) {
managerMap.remove(name);
if (managerMap.isEmpty()) {
iD2sMmap.remove(ctxId);
}
}
}
}
return manager;
}
/**
* Get all SecurityManagers associated with a policy context identifier.
* EJBs from the same jar, all share the same policy context identifier, but
* each have their own SecurityManager. WebSecurityManager(s)
* map 1-to-1 to policy context identifier.
*
* @param iD2sMmap maps policy context id (as key) to subordinate map
* (as value) of (module) name (as key) to SecurityManagers (as value).
* @param ctxId the policy context identifier (i.e., the lookup key).
* @param remove boolean indicating whether the corresponding
* SecurityManager(s) are to be deleted from the map.
* @return a non-empty ArrayList containing the selected managers, or null.
*/
public ArrayList getManagers(Map> iD2sMmap,
String ctxId, boolean remove) {
ArrayList managers = null;
synchronized (iD2sMmap) {
Map managerMap = iD2sMmap.get(ctxId);
if (managerMap != null && !managerMap.isEmpty()) {
managers = new ArrayList(managerMap.values());
}
if (remove) {
iD2sMmap.remove(ctxId);
}
}
return managers;
}
/**
* Get (Web or EJB) SecurityManagers associated with an application.
* Note that the WebSecurityManager and EJBSecurityManager classes manage
* separate maps for their respectibe security manager types.
*
* @param iD2sMmap maps policy context id (as key) to subordinate map
* (as value) of (module) name (as key) to SecurityManagers (as value).
* @param app2iDmap maps appName (as key) to list of policy context
* identifiers (as value).
* @param appName the application name, (i.e., the lookup key)
* @param remove boolean indicating whether the corresponding mappings
* are to be removed from the app2iDmap and aiD2sMmap.
* @return a non-empty ArrayList containing the selected managers, or null.
*/
public ArrayList getManagersForApp(Map> iD2sMmap,
Map> app2iDmap, String appName, boolean remove) {
ArrayList managerList = null;
String[] ctxIds = getContextsForApp(app2iDmap, appName, remove);
if (ctxIds != null) {
ArrayList managers = null;
synchronized (iD2sMmap) {
for (String id : ctxIds) {
managers = getManagers(iD2sMmap, id, remove);
if (managers != null) {
if (managerList == null) {
managerList = new ArrayList();
}
managerList.addAll(managers);
}
}
}
}
return managerList;
}
/**
* Get (EJB or Web) Policy context identifiers for app.
*
* @param app2iDmap maps appName (as key) to list of policy context
* identifiers (as value).
* @param appName the application name, (i.e., the lookup key).
* @param remove boolean indicating whether the corresponding mappings
* are to be removed from the app2iDmap.
* @return a non-zero length array containing the selected
* policy context identifiers, or null.
*/
public String[] getContextsForApp(Map> app2iDmap,
String appName, boolean remove) {
String[] ctxIds = null;
synchronized (app2iDmap) {
ArrayList ctxList = app2iDmap.get(appName);
if (ctxList != null && !ctxList.isEmpty()) {
ctxIds = ctxList.toArray(new String[ctxList.size()]);
}
if (remove) {
app2iDmap.remove(appName);
}
}
return ctxIds;
}
/**
* In iD2sMmap, maps manager to ctxId and name, and in app2iDmap,
* includes ctxID in values mapped to appName.
*
* @param iD2sMmap maps policy context id (as key) to subordinate map
* (as value) of (module) name (as key) to SecurityManagers (as value).
* @param app2iDmap maps appName (as key) to list of policy context
* identifiers (as value).
* @param ctxId the policy context identifier
* @param name the component name (the EJB name or null for web modules)
* @param appName the application name
* @param manager the SecurityManager
*/
public void addManagerToApp(Map> iD2sMmap,
Map> app2iDmap,
String ctxId, String name, String appName, T manager) {
synchronized (iD2sMmap) {
Map managerMap = iD2sMmap.get(ctxId);
if (managerMap == null) {
managerMap = new HashMap();
iD2sMmap.put(ctxId, managerMap);
}
managerMap.put(name, manager);
}
synchronized (app2iDmap) {
ArrayList ctxList = app2iDmap.get(appName);
if (ctxList == null) {
ctxList = new ArrayList();
app2iDmap.put(appName, ctxList);
}
if (!ctxList.contains(ctxId)) {
ctxList.add(ctxId);
}
}
}
}
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