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/*
 * =============================================================================
 * 
 *   Copyright (c) 2007-2010, The JASYPT team (http://www.jasypt.org)
 * 
 *   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 org.jasypt.web.pbeconfig;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.jasypt.encryption.pbe.config.WebPBEConfig;
import org.jasypt.exceptions.EncryptionInitializationException;

/**
 * 

* Registry for {@link WebPBEConfig} objects. This class is intended * for internal use only, and should not be accessed from the user's * code. *

* * @since 1.3 * * @author Daniel Fernández * */ public final class WebPBEConfigRegistry { private final Set names = new HashSet(); private final List configs = new ArrayList(); private boolean webConfigurationDone = false; private static final WebPBEConfigRegistry instance = new WebPBEConfigRegistry(); public static WebPBEConfigRegistry getInstance() { return instance; } private WebPBEConfigRegistry() { super(); } public synchronized void registerConfig(final WebPBEConfig config) { if (this.webConfigurationDone) { throw new EncryptionInitializationException( "Cannot register: Web configuration is already done"); } // Avoid duplication of encryptors because of the initialization // class being called more than once. if (!this.names.contains(config.getName())) { this.configs.add(config); this.names.add(config); } } public synchronized List getConfigs() { return Collections.unmodifiableList(this.configs); } public boolean isWebConfigurationDone() { return (this.webConfigurationDone || (this.configs.size() == 0)); } public void setWebConfigurationDone(final boolean configurationDone) { this.webConfigurationDone = configurationDone; } }




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