X-Git-Url: https://gerrit.onap.org/r/gitweb?p=policy%2Fengine.git;a=blobdiff_plain;f=ONAP-PAP-REST%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fpolicy%2Fpap%2Fxacml%2Frest%2Futil%2FJPAUtils.java;h=efb8287f0615c63261abfaa9b724fbf283c7a500;hp=05885ee16f4e3b69ddaabd0400d77d85699f5ab1;hb=1e61676b77dd09659027b8984f050df7e8538526;hpb=cbc5914ca2c1770797f6ad2a05ea9d7c30a55b63 diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/util/JPAUtils.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/util/JPAUtils.java index 05885ee16..efb8287f0 100644 --- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/util/JPAUtils.java +++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/util/JPAUtils.java @@ -2,14 +2,14 @@ * ============LICENSE_START======================================================= * ONAP-PAP-REST * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved. * ================================================================================ * 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. @@ -20,220 +20,102 @@ package org.onap.policy.pap.xacml.rest.util; -import java.util.ArrayList; -import java.util.HashMap; import java.util.List; -import java.util.Map; - -import javax.persistence.EntityManager; -import javax.persistence.EntityManagerFactory; -import javax.persistence.Query; -import javax.servlet.ServletException; +import org.onap.policy.common.logging.flexlogger.FlexLogger; +import org.onap.policy.common.logging.flexlogger.Logger; import org.onap.policy.rest.XacmlAdminAuthorization; -import org.onap.policy.rest.jpa.Attribute; -import org.onap.policy.rest.jpa.Datatype; -import org.onap.policy.rest.jpa.FunctionDefinition; +import org.onap.policy.rest.dao.CommonClassDao; import org.onap.policy.rest.jpa.GlobalRoleSettings; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Component; -import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType; -import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeSelectorType; +@Component +public class JPAUtils { + private static final Logger LOGGER = FlexLogger.getLogger(JPAUtils.class); -import org.onap.policy.common.logging.flexlogger.FlexLogger; -import org.onap.policy.common.logging.flexlogger.Logger; + private static CommonClassDao commonClassDao; + private static JPAUtils currentInstance = null; -public class JPAUtils { - private static Logger LOGGER = FlexLogger.getLogger(JPAUtils.class); - - private static EntityManagerFactory emf; - private static final Object mapAccess = new Object(); - private static Map> mapDatatype2Function = null; - private static Map mapID2Function = null; - private static JPAUtils currentInstance = null; - - - /** - * Get an instance of a JPAUtils. It creates one if it does not exist. - * Only one instance is allowed to be created per server. - * @param emf The EntityFactoryManager to be used for database connections - * @return The new instance of JPAUtils or throw exception if the given emf is null. - * @throws IllegalStateException if a JPAUtils has already been constructed. Call getJPAUtilsInstance() to get this. - */ - public static JPAUtils getJPAUtilsInstance(EntityManagerFactory emf){ - LOGGER.debug("getJPAUtilsInstance(EntityManagerFactory emf) as getJPAUtilsInstance("+emf+") called"); - if(currentInstance == null){ - if(emf != null){ - currentInstance = new JPAUtils(emf); - return currentInstance; - } - throw new IllegalStateException("The EntityManagerFactory is Null"); - } - return currentInstance; - } - - private JPAUtils(EntityManagerFactory emf){ - LOGGER.debug("JPAUtils(EntityManagerFactory emf) as JPAUtils("+emf+") called"); - this.emf = emf; - } - - /** - * Gets the current instance of JPAUtils. - * @return The instance of JPAUtils or throws exception if the given instance is null. - * @throws IllegalStateException if a JPAUtils instance is null. Call getJPAUtilsInstance(EntityManagerFactory emf) to get this. - */ - public static JPAUtils getJPAUtilsInstance(){ - LOGGER.debug("getJPAUtilsInstance() as getJPAUtilsInstance() called"); - if(currentInstance != null){ - return currentInstance; - } - throw new IllegalStateException("The JPAUtils.currentInstance is Null. Use getJPAUtilsInstance(EntityManagerFactory emf)"); - } - - public static AttributeDesignatorType createDesignator(Attribute attribute) { - AttributeDesignatorType designator = new AttributeDesignatorType(); - designator.setAttributeId(attribute.getXacmlId()); - if (attribute.getCategoryBean() != null) { - designator.setCategory(attribute.getCategoryBean().getXacmlId()); - } else { - LOGGER.warn("No category bean"); - } - if (attribute.getDatatypeBean() != null) { - designator.setDataType(attribute.getDatatypeBean().getXacmlId()); - } else { - LOGGER.warn("No datatype bean"); - } - designator.setIssuer(attribute.getIssuer()); - designator.setMustBePresent(attribute.isMustBePresent()); - return designator; - } - - public static AttributeSelectorType createSelector(Attribute attribute) { - AttributeSelectorType selector = new AttributeSelectorType(); - selector.setContextSelectorId(attribute.getXacmlId()); - selector.setPath(attribute.getSelectorPath()); - if (attribute.getCategoryBean() != null) { - selector.setCategory(attribute.getCategoryBean().getXacmlId()); - } else { - LOGGER.warn("No category bean"); - } - if (attribute.getDatatypeBean() != null) { - selector.setDataType(attribute.getDatatypeBean().getXacmlId()); - } else { - LOGGER.warn("No datatype bean"); - } - selector.setMustBePresent(attribute.isMustBePresent()); - return selector; - } - - /** - * Builds a map in memory of a functions return datatype to function definition. Useful in limiting the number - * of SQL calls to DB especially when we don't expect these to change much. - * - * @return - A HashMap of Datatype JPA Container ID's to FunctionDefinition objects - */ - public Map> getFunctionDatatypeMap() { - - synchronized(mapAccess) { - if (mapDatatype2Function == null||mapDatatype2Function.isEmpty()) { - try { - buildFunctionMaps(); - } catch (ServletException e) { - LOGGER.error("Exception Occured"+e); - } - } - } - return mapDatatype2Function; - } - - public Map getFunctionIDMap() { - synchronized(mapAccess) { - if (mapID2Function == null||mapID2Function.isEmpty()) { - try { - buildFunctionMaps(); - } catch (ServletException e) { - LOGGER.error("Exception Occured"+e); - } - } - } - return mapID2Function; - } - - private static void buildFunctionMaps() throws ServletException { - mapDatatype2Function = new HashMap<>(); - mapID2Function = new HashMap<>(); - - EntityManager em = emf.createEntityManager(); - Query getFunctionDefinitions = em.createNamedQuery("FunctionDefinition.findAll"); - List functionList = getFunctionDefinitions.getResultList(); - - for (Object id : functionList) { - FunctionDefinition value = (FunctionDefinition)id; - mapID2Function.put(value.getXacmlid(), value); - if (mapDatatype2Function.containsKey(value.getDatatypeBean()) == false) { - mapDatatype2Function.put(value.getDatatypeBean(), new ArrayList()); - } - mapDatatype2Function.get(value.getDatatypeBean()).add(value); - } - - em.close(); - - } - - /** - * Returns the lockdown value, in case of exception it is assumed that lockdown functionality - * is not supported and returns false. - * - * - * @throws ReadOnlyException - * @throws ConversionException - */ - public boolean dbLockdownIgnoreErrors() { - if (LOGGER.isTraceEnabled()) - LOGGER.trace("ENTER"); - - boolean lockdown = false; - try { - lockdown = dbLockdown(); - } catch (Exception e) { - LOGGER.warn("Cannot access DB lockdown value", e); - } - return lockdown; - } - - /** - * Returns the lockdown value from the database. - * - * @throws ReadOnlyException - * @throws ConversionException - */ - public boolean dbLockdown() - throws IllegalAccessException { - if (LOGGER.isTraceEnabled()) - LOGGER.trace("ENTER"); - - EntityManager em = emf.createEntityManager(); - Query globalRoleSettingsJPA = em.createNamedQuery("GlobalRoleSettings.findAll"); - - GlobalRoleSettings globalRoleSettings = (GlobalRoleSettings) globalRoleSettingsJPA.getSingleResult(); - - if (globalRoleSettings == null) { - // this should not happen - String msg = "NO GlobalSetttings for " + XacmlAdminAuthorization.Role.ROLE_SUPERADMIN.toString(); - if (LOGGER.isErrorEnabled()) - LOGGER.error(msg); - throw new IllegalAccessException(msg); - } - - if (!globalRoleSettings.getRole().equals(XacmlAdminAuthorization.Role.ROLE_SUPERADMIN.toString())) { - String msg = "NOT FOUND db data for " + XacmlAdminAuthorization.Role.ROLE_SUPERADMIN.toString(); - if (LOGGER.isErrorEnabled()) - LOGGER.error(msg); - throw new IllegalAccessException(msg); - } - - return globalRoleSettings.isLockdown(); - } - - + @Autowired + public JPAUtils(CommonClassDao commonClassDao) { + JPAUtils.commonClassDao = commonClassDao; + } + + /** + * Get an instance of a JPAUtils. It creates one if it does not exist. Only one instance is allowed + * to be created per server. + * + * @param emf The EntityFactoryManager to be used for database connections + * @return The new instance of JPAUtils or throw exception if the given emf is null. + * @throws IllegalStateException if a JPAUtils has already been constructed. Call + * getJPAUtilsInstance() to get this. + */ + public static JPAUtils getJPAUtilsInstance() { + if (currentInstance == null) { + currentInstance = new JPAUtils(); + return currentInstance; + } + return currentInstance; + } + + private JPAUtils() { + // Default Constructor + } + + /** + * Returns the lockdown value, in case of exception it is assumed that lockdown functionality is not + * supported and returns false. + * + * + * @throws ReadOnlyException + * @throws ConversionException + */ + public boolean dbLockdownIgnoreErrors() { + if (LOGGER.isTraceEnabled()) + LOGGER.trace("ENTER"); + + boolean lockdown = false; + try { + lockdown = dbLockdown(); + } catch (Exception e) { + LOGGER.warn("Cannot access DB lockdown value", e); + } + return lockdown; + } + + /** + * Returns the lockdown value from the database. + * + * @throws ReadOnlyException + * @throws ConversionException + */ + public boolean dbLockdown() throws IllegalAccessException { + if (LOGGER.isTraceEnabled()) + LOGGER.trace("ENTER"); + List data = commonClassDao.getData(GlobalRoleSettings.class); + + GlobalRoleSettings globalRoleSettings = null; + + if (!data.isEmpty()) { + globalRoleSettings = (GlobalRoleSettings) data.get(0); + } + + if (globalRoleSettings == null) { + // this should not happen + String msg = "NO GlobalSetttings for " + XacmlAdminAuthorization.Role.ROLE_SUPERADMIN.toString(); + if (LOGGER.isErrorEnabled()) + LOGGER.error(msg); + throw new IllegalAccessException(msg); + } + + if (!globalRoleSettings.getRole().equals(XacmlAdminAuthorization.Role.ROLE_SUPERADMIN.toString())) { + String msg = "NOT FOUND db data for " + XacmlAdminAuthorization.Role.ROLE_SUPERADMIN.toString(); + if (LOGGER.isErrorEnabled()) + LOGGER.error(msg); + throw new IllegalAccessException(msg); + } + return globalRoleSettings.isLockdown(); + } }