Java tutorial
/* * ============================================================================= * * 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.spring31.xml.encryption; import java.util.Arrays; import java.util.HashSet; import java.util.Set; import org.jasypt.encryption.pbe.config.EnvironmentPBEConfig; import org.jasypt.encryption.pbe.config.EnvironmentStringPBEConfig; import org.jasypt.encryption.pbe.config.SimplePBEConfig; import org.jasypt.encryption.pbe.config.SimpleStringPBEConfig; import org.springframework.beans.factory.support.BeanDefinitionBuilder; import org.springframework.util.StringUtils; import org.w3c.dom.Element; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; /** * * @since 1.9.0 * * @author Daniel Fernández * */ final class EncryptorConfigBeanDefinitionParser extends AbstractEncryptionBeanDefinitionParser { private static final String SCOPE_ATTRIBUTE = "scope"; // simple private static final String PARAM_ALGORITHM = "algorithm"; private static final String PARAM_KEY_OBTENTION_ITERATIONS = "key-obtention-iterations"; private static final String PARAM_PASSWORD = "password"; private static final String PARAM_POOL_SIZE = "pool-size"; private static final String PARAM_PROVIDER_BEAN = "provider-bean"; private static final String PARAM_PROVIDER_CLASS_NAME = "provider-class-name"; private static final String PARAM_PROVIDER_NAME = "provider-name"; private static final String PARAM_SALT_GENERATOR_BEAN = "salt-generator-bean"; private static final String PARAM_SALT_GENERATOR_CLASS_NAME = "salt-generator-class-name"; private static final Set<String> PARAMS_SIMPLE = new HashSet<String>( Arrays.asList(new String[] { PARAM_ALGORITHM, PARAM_KEY_OBTENTION_ITERATIONS, PARAM_PASSWORD, PARAM_POOL_SIZE, PARAM_PROVIDER_BEAN, PARAM_PROVIDER_CLASS_NAME, PARAM_PROVIDER_NAME, PARAM_SALT_GENERATOR_BEAN, PARAM_SALT_GENERATOR_CLASS_NAME })); // string private static final String PARAM_STRING_OUTPUT_TYPE = "string-output-type"; private static final Set<String> PARAMS_STRING = new HashSet<String>( Arrays.asList(new String[] { PARAM_STRING_OUTPUT_TYPE })); // environment private static final String PARAM_ALGORITHM_ENV_NAME = "algorithm-env-name"; private static final String PARAM_ALGORITHM_SYS_PROPERTY_NAME = "algorithm-sys-property-name"; private static final String PARAM_KEY_OBTENTION_ITERATIONS_ENV_NAME = "key-obtention-iterations-env-name"; private static final String PARAM_KEY_OBTENTION_ITERATIONS_SYS_PROPERTY_NAME = "key-obtention-iterations-sys-property-name"; private static final String PARAM_PASSWORD_ENV_NAME = "password-env-name"; private static final String PARAM_PASSWORD_SYS_PROPERTY_NAME = "password-sys-property-name"; private static final String PARAM_POOL_SIZE_ENV_NAME = "pool-size-env-name"; private static final String PARAM_POOL_SIZE_SYS_PROPERTY_NAME = "pool-size-sys-property-name"; private static final String PARAM_PROVIDER_CLASS_NAME_ENV_NAME = "provider-class-name-env-name"; private static final String PARAM_PROVIDER_CLASS_NAME_SYS_PROPERTY_NAME = "provider-class-name-sys-property-name"; private static final String PARAM_PROVIDER_NAME_ENV_NAME = "provider-name-env-name"; private static final String PARAM_PROVIDER_NAME_SYS_PROPERTY_NAME = "provider-name-sys-property-name"; private static final String PARAM_SALT_GENERATOR_CLASS_NAME_ENV_NAME = "salt-generator-class-name-env-name"; private static final String PARAM_SALT_GENERATOR_CLASS_NAME_SYS_PROPERTY_NAME = "salt-generator-class-name-sys-property-name"; private static final Set<String> PARAMS_ENVIRONMENT = new HashSet<String>(Arrays.asList(new String[] { PARAM_ALGORITHM_ENV_NAME, PARAM_ALGORITHM_SYS_PROPERTY_NAME, PARAM_KEY_OBTENTION_ITERATIONS_ENV_NAME, PARAM_KEY_OBTENTION_ITERATIONS_SYS_PROPERTY_NAME, PARAM_PASSWORD_ENV_NAME, PARAM_PASSWORD_SYS_PROPERTY_NAME, PARAM_POOL_SIZE_ENV_NAME, PARAM_POOL_SIZE_SYS_PROPERTY_NAME, PARAM_PROVIDER_CLASS_NAME_ENV_NAME, PARAM_PROVIDER_CLASS_NAME_SYS_PROPERTY_NAME, PARAM_PROVIDER_NAME_ENV_NAME, PARAM_PROVIDER_NAME_SYS_PROPERTY_NAME, PARAM_SALT_GENERATOR_CLASS_NAME_ENV_NAME, PARAM_SALT_GENERATOR_CLASS_NAME_SYS_PROPERTY_NAME })); // string environment private static final String PARAM_STRING_OUTPUT_TYPE_ENV_NAME = "string-output-type-env-name"; private static final String PARAM_STRING_OUTPUT_TYPE_SYS_PROPERTY_NAME = "string-output-type-sys-property-name"; private static final Set<String> PARAMS_STRING_ENVIRONMENT = new HashSet<String>(Arrays.asList( new String[] { PARAM_STRING_OUTPUT_TYPE_ENV_NAME, PARAM_STRING_OUTPUT_TYPE_SYS_PROPERTY_NAME })); EncryptorConfigBeanDefinitionParser() { super(); } @Override protected Class<?> getBeanClass(final Element element) { return computeConfigClass(element); } @Override protected void doParse(final Element element, final BeanDefinitionBuilder builder) { processStringAttribute(element, builder, PARAM_ALGORITHM, "algorithm"); processIntegerAttribute(element, builder, PARAM_KEY_OBTENTION_ITERATIONS, "keyObtentionIterations"); processStringAttribute(element, builder, PARAM_PASSWORD, "password"); processIntegerAttribute(element, builder, PARAM_POOL_SIZE, "poolSize"); processBeanAttribute(element, builder, PARAM_PROVIDER_BEAN, "provider"); processStringAttribute(element, builder, PARAM_PROVIDER_CLASS_NAME, "providerClassName"); processStringAttribute(element, builder, PARAM_PROVIDER_NAME, "providerName"); processBeanAttribute(element, builder, PARAM_SALT_GENERATOR_BEAN, "saltGenerator"); processStringAttribute(element, builder, PARAM_SALT_GENERATOR_CLASS_NAME, "saltGeneratorClassName"); processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE, "stringOutputType"); processStringAttribute(element, builder, PARAM_ALGORITHM_ENV_NAME, "algorithmEnvName"); processStringAttribute(element, builder, PARAM_KEY_OBTENTION_ITERATIONS_ENV_NAME, "keyObtentionIterationsEnvName"); processStringAttribute(element, builder, PARAM_PASSWORD_ENV_NAME, "passwordEnvName"); processStringAttribute(element, builder, PARAM_POOL_SIZE_ENV_NAME, "poolSizeEnvName"); processStringAttribute(element, builder, PARAM_PROVIDER_CLASS_NAME_ENV_NAME, "providerClassNameEnvName"); processStringAttribute(element, builder, PARAM_PROVIDER_NAME_ENV_NAME, "providerNameEnvName"); processStringAttribute(element, builder, PARAM_SALT_GENERATOR_CLASS_NAME_ENV_NAME, "saltGeneratorClassNameEnvName"); processStringAttribute(element, builder, PARAM_ALGORITHM_SYS_PROPERTY_NAME, "algorithmSysPropertyName"); processStringAttribute(element, builder, PARAM_KEY_OBTENTION_ITERATIONS_SYS_PROPERTY_NAME, "keyObtentionIterationsSysPropertyName"); processStringAttribute(element, builder, PARAM_PASSWORD_SYS_PROPERTY_NAME, "passwordSysPropertyName"); processStringAttribute(element, builder, PARAM_POOL_SIZE_SYS_PROPERTY_NAME, "poolSizeSysPropertyName"); processStringAttribute(element, builder, PARAM_PROVIDER_CLASS_NAME_SYS_PROPERTY_NAME, "providerClassNameSysPropertyName"); processStringAttribute(element, builder, PARAM_PROVIDER_NAME_SYS_PROPERTY_NAME, "providerNameSysPropertyName"); processStringAttribute(element, builder, PARAM_SALT_GENERATOR_CLASS_NAME_SYS_PROPERTY_NAME, "saltGeneratorClassNameSysPropertyName"); processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE_ENV_NAME, "stringOutputTypeEnvName"); processStringAttribute(element, builder, PARAM_STRING_OUTPUT_TYPE_SYS_PROPERTY_NAME, "stringOutputTypeSysPropertyName"); String scope = element.getAttribute(SCOPE_ATTRIBUTE); if (StringUtils.hasLength(scope)) { builder.setScope(scope); } } private static Class<?> computeConfigClass(final Element element) { boolean isSimpleConfig = false; boolean isStringConfig = false; boolean isEnvironmentConfig = false; boolean isStringEnvironmentConfig = false; final NamedNodeMap attributesMap = element.getAttributes(); final int attributesLen = attributesMap.getLength(); for (int i = 0; i < attributesLen; i++) { final Node attribute = attributesMap.item(i); final String attributeName = attribute.getNodeName(); if (!isSimpleConfig && PARAMS_SIMPLE.contains(attributeName)) { isSimpleConfig = true; } if (!isStringConfig && PARAMS_STRING.contains(attributeName)) { isStringConfig = true; } if (!isEnvironmentConfig && PARAMS_ENVIRONMENT.contains(attributeName)) { isEnvironmentConfig = true; } if (!isStringEnvironmentConfig && PARAMS_STRING_ENVIRONMENT.contains(attributeName)) { isStringEnvironmentConfig = true; } } if (isStringEnvironmentConfig || (isEnvironmentConfig && isStringConfig)) { return EnvironmentStringPBEConfig.class; } if (isEnvironmentConfig) { return EnvironmentPBEConfig.class; } if (isStringConfig) { return SimpleStringPBEConfig.class; } return SimplePBEConfig.class; } }