| /* |
| * Copyright (C) 2014, Matthias Sohn <matthias.sohn@sap.com> and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| package org.eclipse.jgit.transport; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.jgit.errors.UnsupportedCredentialItem; |
| |
| /** |
| * A credentials provider chaining multiple credentials providers |
| * |
| * @since 3.5 |
| */ |
| public class ChainingCredentialsProvider extends CredentialsProvider { |
| |
| private List<CredentialsProvider> credentialProviders; |
| |
| /** |
| * Create a new chaining credential provider. This provider tries to |
| * retrieve credentials from the chained credential providers in the order |
| * they are given here. If multiple providers support the requested items |
| * and have non-null credentials the first of them will be used. |
| * |
| * @param providers |
| * credential providers asked for credentials in the order given |
| * here |
| */ |
| public ChainingCredentialsProvider(CredentialsProvider... providers) { |
| this.credentialProviders = new ArrayList<>( |
| Arrays.asList(providers)); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean isInteractive() { |
| for (CredentialsProvider p : credentialProviders) |
| if (p.isInteractive()) |
| return true; |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean supports(CredentialItem... items) { |
| for (CredentialsProvider p : credentialProviders) |
| if (p.supports(items)) |
| return true; |
| return false; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * <p> |
| * Populates the credential items with the credentials provided by the first |
| * credential provider in the list which populates them with non-null values |
| * |
| * @see org.eclipse.jgit.transport.CredentialsProvider#supports(org.eclipse.jgit.transport.CredentialItem[]) |
| */ |
| @Override |
| public boolean get(URIish uri, CredentialItem... items) |
| throws UnsupportedCredentialItem { |
| for (CredentialsProvider p : credentialProviders) { |
| if (p.supports(items)) { |
| if (!p.get(uri, items)) { |
| if (p.isInteractive()) { |
| return false; // user cancelled the request |
| } |
| continue; |
| } |
| if (isAnyNull(items)) { |
| continue; |
| } |
| return true; |
| } |
| } |
| return false; |
| } |
| } |