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 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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// Portions Copyright [2018-2021] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.security.acl;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import jakarta.inject.Singleton;

import org.glassfish.deployment.common.SecurityRoleMapper;
import org.glassfish.deployment.common.SecurityRoleMapperFactory;
import org.jvnet.hk2.annotations.Service;

/**
 *
 * @author Jerome Dochez
 */
@Service
@Singleton
public class RoleMapperFactory implements SecurityRoleMapperFactory {

    private Map CONTEXT_TO_APPNAME = new ConcurrentHashMap<>();
    private Map ROLEMAPPER = new ConcurrentHashMap<>();


    /**
     * Returns a RoleMapper corresponding to the AppName.
     *
     * @param The Application Name of this RoleMapper.
     *
     */
    @Override
    public SecurityRoleMapper getRoleMapper(String appName) {
        // If the appName is not appname but contextid for web apps then get the appname
        String contextId = appName;
        String appname = getAppNameForContext(appName);

        SecurityRoleMapper securityRoleMapper = null;

        if (appname != null)
            securityRoleMapper = getRoleMapper(appname, this);

        if (securityRoleMapper == null) {
            securityRoleMapper = getRoleMapper(contextId, this);
        }

        return securityRoleMapper;
    }

    @Override
    public String getAppNameForContext(String contextId) {
        return CONTEXT_TO_APPNAME.get(contextId);
    }

    @Override
    public void setAppNameForContext(String appName, String contextId) {
        CONTEXT_TO_APPNAME.put(contextId, appName);
    }

    @Override
    public void removeAppNameForContext(String contextId) {
        CONTEXT_TO_APPNAME.remove(contextId);
    }

    /**
     * Returns a RoleMapper corresponding to the AppName.
     *
     * @param appName Application Name of this RoleMapper.
     * @return SecurityRoleMapper for the application
     */
    public RoleMapper getRoleMapper(String appName, SecurityRoleMapperFactory fact) {
        return (RoleMapper) ROLEMAPPER.computeIfAbsent(appName, e -> new RoleMapper(appName));
    }

    /**
     * Set a RoleMapper for the application
     *
     * @param appName Application or module name
     * @param securityRoleMapper SecurityRoleMapper for the application or the module
     */
    @Override
    public void setRoleMapper(String appName, SecurityRoleMapper securityRoleMapper) {
        ROLEMAPPER.put(appName, securityRoleMapper);
    }

    /**
     * @param appName Application/module name.
     */
    @Override
    public void removeRoleMapper(String appName) {
        if (ROLEMAPPER.containsKey(appName)) {
            ROLEMAPPER.remove(appName);
        }
    }
}