package com.limegroup.gnutella.licenses;
import com.limegroup.gnutella.URN;
public interface LicenseFactory {
public static final String WEED_NAME = "Weed License";
public static final String CC_NAME = "Creative Commons License";
public static final String UNKNOWN_NAME = "Unknown License";
/**
* Checks if the specified license-URI is valid for the given URN
* without doing any expensive lookups.
* <p>
* The URI must have been retrieved via getLicenseURI.
*
*/
public boolean isVerifiedAndValid(URN urn, String licenseString);
/**
* Gets the name associated with this license string.
*/
public String getLicenseName(String licenseString);
/**
* Returns a License for the given license string, if one
* can be constructed. If no License exists to validate
* the license, returns null.
*/
public License create(String licenseString);
/**
* Persists the cache.
*/
public void persistCache();
}