src/main/java/org/takes/facets/auth/PsChain.java
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2024 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.takes.facets.auth;
import java.util.Arrays;
import lombok.EqualsAndHashCode;
import org.takes.Request;
import org.takes.Response;
import org.takes.misc.Opt;
/**
* Chain of passes.
*
* <p>The class is immutable and thread-safe.
*
* @since 0.1
*/
@EqualsAndHashCode
public final class PsChain implements Pass {
/**
* Passes.
*/
private final Iterable<Pass> passes;
/**
* Ctor.
* @param list Passes
*/
public PsChain(final Pass... list) {
this(Arrays.asList(list));
}
/**
* Ctor.
* @param list Passes
*/
public PsChain(final Iterable<Pass> list) {
this.passes = list;
}
@Override
public Opt<Identity> enter(final Request req) throws Exception {
Opt<Identity> user = new Opt.Empty<>();
for (final Pass pass : this.passes) {
user = pass.enter(req);
if (user.has()) {
break;
}
}
return user;
}
@Override
public Response exit(final Response response,
final Identity identity) throws Exception {
Response res = response;
for (final Pass pass : this.passes) {
res = pass.exit(res, identity);
}
return res;
}
}