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package com.box.sdk;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Use this class to create an in-memory LRU (least recently used) access token cache to be
* passed to BoxDeveloperEditionAPIConnection.
*/
public class InMemoryLRUAccessTokenCache implements IAccessTokenCache {
private final Map cache;
/**
* Creates an in-memory LRU access token cache.
*
* @param maxEntries maximum number of entries to store.
*/
public InMemoryLRUAccessTokenCache(final int maxEntries) {
this.cache = new LinkedHashMap(maxEntries, 0.75F, true) {
private static final long serialVersionUID = -187234623489L;
@Override
protected boolean removeEldestEntry(java.util.Map.Entry eldest) {
return size() > maxEntries;
}
};
}
/**
* Add an entry to the cache.
*
* @param key key to use.
* @param value access token information to store.
*/
public void put(String key, String value) {
synchronized (this.cache) {
this.cache.put(key, value);
}
}
/**
* Get an entry from the cache.
*
* @param key key to look for.
* @return access token information.
*/
public String get(String key) {
synchronized (this.cache) {
return this.cache.get(key);
}
}
}