Current File : //proc/309157/root/home/waritko/yacy/source/net/yacy/http/ReferrerPolicy.java
// ReferrerPolicy.java
// Copyright 2017 by luccioman; https://github.com/luccioman
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// LICENSE
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package net.yacy.http;
/**
* Referrer policies enumeration, as decribed by the related W3C recommendation
* (https://www.w3.org/TR/referrer-policy/#referrer-policies)
*/
public enum ReferrerPolicy {
EMPTY(""),
NO_REFERRER("no-referrer"),
NO_REFERRER_WHEN_DOWNGRADE("no-referrer-when-downgrade"),
SAME_ORIGIN("same-origin"),
ORIGIN("origin"),
STRICT_ORIGIN("strict-origin"),
ORIGIN_WHEN_CROSS_ORIGIN("origin-when-cross-origin"),
STRICT_ORIGIN_WHEN_CROSS_ORIGIN("strict-origin-when-cross-origin"),
UNSAFE_URL("unsafe-url");
/**
* Policy string value
*/
private final String value;
/**
* Enumeration private constructor
* @param value the policy string value
*/
private ReferrerPolicy(final String value) {
this.value = value;
}
/**
* @return the policy string value
*/
public String getValue() {
return value;
}
/**
* @param value a policy string value
* @return true when this enumeration contains an element with the specified policy value
*/
public static boolean contains(final String value) {
boolean res = false;
for(ReferrerPolicy policy : ReferrerPolicy.values()) {
if(policy.getValue().equals(value)) {
res = true;
break;
}
}
return res;
}
}
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