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/**
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* Copyright (C) 2014 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.config;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Properties;
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import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;
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import org.jdom.Attribute;
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import org.jdom.Element;
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import eu.etaxonomy.cdm.common.XmlHelp;
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/**
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* Cdm Source class which represents a persisted CDM source object
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* as configured in the CDM sources config file.
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*
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* @author cmathew
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*
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*/
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public class CdmPersistentXMLSource {
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private static final Logger logger = LogManager.getLogger(CdmPersistentXMLSource.class);
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/**
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* CDM sources config file name
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*/
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public final static String CDMSOURCE_FILE_NAME = "cdm.datasources.xml";
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/**
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* Directory path of the template CDM sources config file - this file is used
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* in the case of the very first call to persist sources see {@link eu.etaxonomy.cdm.persistence.utils.CdmPersistenceUtils#getWritableResourceDir()}
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*/
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public final static String CDMSOURCE_PATH = "/eu/etaxonomy/cdm/";
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/**
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* jDom Element represeting the CDM source as stored in the source config file
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*/
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private Element bean;
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/**
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* Post fix represeting the type of source (data / remote)
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*/
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private String postFix;
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/**
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* Enumeration containg all possible properties of all types of
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* CDM Sources
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*
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*
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*/
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public enum CdmSourceProperties {
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URL,
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SERVER,
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PORT,
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FILEPATH,
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CONTEXTPATH,
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USERNAME,
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PASSWORD,
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DRIVER_CLASS,
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DATABASE,
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MODE;
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@Override
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public String toString(){
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switch (this){
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case URL:
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return "url";
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case SERVER:
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return "server";
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case PORT:
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return "port";
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case FILEPATH:
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return "filePath";
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case CONTEXTPATH:
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return "contextPath";
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case USERNAME:
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return "username";
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case PASSWORD:
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return "password";
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case DRIVER_CLASS:
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return "driverClassName";
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case DATABASE:
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return "database";
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case MODE:
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return "mode";
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default:
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throw new IllegalArgumentException( "Unknown enumeration type" );
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}
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}
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}
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private String cdmSourceName;
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/**
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* Constructor which uses the given CDM source name and post fix to initialze the
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* jDom element from the source config file.
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*
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* @param cdmSourceName
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* @param postFix
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*/
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private CdmPersistentXMLSource(String cdmSourceName, String postFix) {
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this.cdmSourceName = cdmSourceName;
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this.postFix = postFix;
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bean = CdmPersistentSourceUtils.getCdmSourceBeanXml(cdmSourceName, postFix);
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}
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/**
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* Constructor which uses the given CDM source name and post fix to initialze the
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* jDom element from the source config file.
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*
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* @param strDataSourceName
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* @param postFix
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* @return new CdmPersistentXMLSource object
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*/
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public final static CdmPersistentXMLSource NewInstance(String strDataSourceName, String postFix) {
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return new CdmPersistentXMLSource(strDataSourceName, postFix);
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}
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/**
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* Returns the loaded jDom element representing this object
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*
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* @return
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*/
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public Element getElement() {
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return bean;
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}
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/**
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* Returns the name of the bean Element in the cdm source xml config file.
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* @return bean name
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*/
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public String getBeanName(){
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return CdmPersistentSourceUtils.getBeanName(cdmSourceName, postFix);
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}
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/**
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* Returns the list of attributes of this CDM source
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* that are defined in the cdm source xml config file.
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* @return
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*/
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@SuppressWarnings("unchecked")
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public List<Attribute> getCdmSourceAttributes(){
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List<Attribute> result = new ArrayList<Attribute>();
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if (bean == null){
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return null;
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}else{
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result = bean.getAttributes();
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}
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return result;
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}
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/**
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* Returns a defined property of the cdm source xml config file.
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* @return the property of the cdm source or null if the datasource bean or the property does not exist.
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*/
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public String getCdmSourceProperty(String property){
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if (bean == null){
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return null;
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}else{
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Element elProperty = XmlHelp.getFirstAttributedChild(bean, "property", "name", property);
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if (elProperty == null){
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logger.warn("Unknown property: " + property);
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return null;
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}else{
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String strValue = elProperty.getAttributeValue("value");
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return strValue;
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}
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}
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}
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/**
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* Returns the list of properties that are defined in the
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* cdm source xml config file.
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*
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* @return
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*/
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public Properties getCdmSourceProperties(){
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Properties result = new Properties();
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if (bean == null){
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return null;
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}else{
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List<Element> elProperties = XmlHelp.getAttributedChildList(bean, "property", "name");
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Iterator<Element> iterator = elProperties.iterator();
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while(iterator.hasNext()){
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Element next = iterator.next();
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String strName = next.getAttributeValue("name");
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String strValue = next.getAttributeValue("value");
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result.put(strName, strValue);
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}
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}
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return result;
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}
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}
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