org.springframework.security.authentication.jaas.memory.InMemoryConfiguration Maven / Gradle / Ivy
/*
* Copyright 2010-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.authentication.jaas.memory;
import java.util.Collections;
import java.util.Map;
import javax.security.auth.login.AppConfigurationEntry;
import javax.security.auth.login.Configuration;
import org.springframework.util.Assert;
/**
*
* An in memory representation of a JAAS configuration. The constructor accepts a Map
* where the key represents the name of the login context name and the value is an Array
* of {@link AppConfigurationEntry} for that login context name. A default Array of
* {@link AppConfigurationEntry}s can be specified which will be returned if a login
* context is specified which is undefined.
*
*
* @author Rob Winch
*/
public class InMemoryConfiguration extends Configuration {
private final AppConfigurationEntry[] defaultConfiguration;
private final Map mappedConfigurations;
/**
* Creates a new instance with only a defaultConfiguration. Any configuration name
* will result in defaultConfiguration being returned.
* @param defaultConfiguration The result for any calls to
* {@link #getAppConfigurationEntry(String)}. Can be null
.
*/
public InMemoryConfiguration(AppConfigurationEntry[] defaultConfiguration) {
this(Collections.emptyMap(), defaultConfiguration);
}
/**
* Creates a new instance with a mapping of login context name to an array of
* {@link AppConfigurationEntry}s.
* @param mappedConfigurations each key represents a login context name and each value
* is an Array of {@link AppConfigurationEntry}s that should be used.
*/
public InMemoryConfiguration(Map mappedConfigurations) {
this(mappedConfigurations, null);
}
/**
* Creates a new instance with a mapping of login context name to an array of
* {@link AppConfigurationEntry}s along with a default configuration that will be used
* if no mapping is found for the given login context name.
* @param mappedConfigurations each key represents a login context name and each value
* is an Array of {@link AppConfigurationEntry}s that should be used.
* @param defaultConfiguration The result for any calls to
* {@link #getAppConfigurationEntry(String)}. Can be null
.
*/
public InMemoryConfiguration(Map mappedConfigurations,
AppConfigurationEntry[] defaultConfiguration) {
Assert.notNull(mappedConfigurations, "mappedConfigurations cannot be null.");
this.mappedConfigurations = mappedConfigurations;
this.defaultConfiguration = defaultConfiguration;
}
@Override
public AppConfigurationEntry[] getAppConfigurationEntry(String name) {
AppConfigurationEntry[] mappedResult = this.mappedConfigurations.get(name);
return (mappedResult != null) ? mappedResult : this.defaultConfiguration;
}
/**
* Does nothing, but required for JDK5
*/
@Override
public void refresh() {
}
}