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- /*
- * Copyright 2014 gitblit.com.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package com.gitblit.guice;
-
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
-
- import com.gitblit.IStoredSettings;
- import com.gitblit.Keys;
- import com.gitblit.manager.IRuntimeManager;
- import com.gitblit.transport.ssh.FileKeyManager;
- import com.gitblit.transport.ssh.IPublicKeyManager;
- import com.gitblit.transport.ssh.NullKeyManager;
- import com.gitblit.utils.StringUtils;
- import com.google.inject.Inject;
- import com.google.inject.Provider;
- import com.google.inject.Singleton;
-
- /**
- * Provides a lazily-instantiated IPublicKeyManager configured from IStoredSettings.
- *
- * @author James Moger
- *
- */
- @Singleton
- public class IPublicKeyManagerProvider implements Provider<IPublicKeyManager> {
-
- private final Logger logger = LoggerFactory.getLogger(getClass());
-
- private final IRuntimeManager runtimeManager;
-
- private volatile IPublicKeyManager manager;
-
- @Inject
- public IPublicKeyManagerProvider(IRuntimeManager runtimeManager) {
- this.runtimeManager = runtimeManager;
- }
-
- @Override
- public synchronized IPublicKeyManager get() {
- if (manager != null) {
- return manager;
- }
-
- IStoredSettings settings = runtimeManager.getSettings();
- String clazz = settings.getString(Keys.git.sshKeysManager, FileKeyManager.class.getName());
- if (StringUtils.isEmpty(clazz)) {
- clazz = FileKeyManager.class.getName();
- }
- try {
- Class<? extends IPublicKeyManager> mgrClass = (Class<? extends IPublicKeyManager>) Class.forName(clazz);
- manager = runtimeManager.getInjector().getInstance(mgrClass);
- } catch (Exception e) {
- logger.error("failed to create public key manager", e);
- manager = new NullKeyManager();
- }
- return manager;
- }
- }
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