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/*
* _____________________________________________________________________________
*
* INAF - OATS National Institute for Astrophysics - Astronomical Observatory of
* Trieste INAF - IA2 Italian Center for Astronomical Archives
* _____________________________________________________________________________
*
* Copyright (C) 2017 Istituto Nazionale di Astrofisica
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License Version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package it.inaf.ia2.tsm.model;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import javax.xml.bind.JAXB;
/**
*
* @author Sonia Zorba {@literal <zorba at oats.inaf.it>}
*/
public class SchemaModels {
private static final String SCHEMA_DEFINITION_FOLDER = "schema_definition";
private static final String TAP_SCHEMA_NAME = "tap_schema";
private static final String IVOA_SCHEMA_NAME = "ivoa";
// Map keys are version numbers
private static final Map<String, SchemaModel> TAP_SCHEMA_MODELS;
private static final Map<String, SchemaModel> IVOA_SCHEMA_MODELS;
private SchemaModels() {
}
static {
try {
String[] xmlModelFileNames = getXMLModelFileNames();
List<SchemaXMLModel> xmlModels = getXmlModels(xmlModelFileNames);
Map<String, SchemaXMLModel> tapSchemaXmlModelsMap = getXmlModelMapByVersionAndName(xmlModels, TAP_SCHEMA_NAME);
Map<String, SchemaXMLModel> ivoaSchemaXmlModelsMap = getXmlModelMapByVersionAndName(xmlModels, IVOA_SCHEMA_NAME);
TAP_SCHEMA_MODELS = getModelMapByVersion(tapSchemaXmlModelsMap);
IVOA_SCHEMA_MODELS = getModelMapByVersion(ivoaSchemaXmlModelsMap);
} catch (IOException e) {
throw new ExceptionInInitializerError(e);
}
}
private static String[] getXMLModelFileNames() throws IOException {
try (InputStream in = SchemaModels.class.getClassLoader().getResourceAsStream("core.properties")) {
Properties props = new Properties();
props.load(in);
String[] fileNames = props.getProperty("schema_definition_files").split(",");
String[] modelFiles = new String[fileNames.length];
for (int i = 0; i < fileNames.length; i++) {
modelFiles[i] = String.format("%s%s%s", SCHEMA_DEFINITION_FOLDER, File.separator, fileNames[i]);
}
return modelFiles;
}
}
private static List<SchemaXMLModel> getXmlModels(String[] xmlModelFileNames) throws IOException {
List<SchemaXMLModel> xmlModels = new ArrayList<>();
for (String modelFile : xmlModelFileNames) {
try (InputStream in = SchemaModels.class.getClassLoader().getResourceAsStream(modelFile)) {
SchemaXMLModel model = JAXB.unmarshal(in, SchemaXMLModel.class);
xmlModels.add(model);
}
}
return xmlModels;
}
private static void loadSchemaModel(SchemaModel model, SchemaXMLModel xmlModel, Map<String, SchemaXMLModel> xmlModels) {
for (TableXMLModel tableXmlModel : xmlModel.getTables()) {
String tableName = tableXmlModel.getName();
TableModel tableModel = model.get(tableName);
if (tableModel == null) {
tableModel = new TableModel(tableXmlModel);
}
for (PropertyModel property : tableXmlModel.getAdd()) {
tableModel.getProperties().put(property.getName(), property);
}
model.getTables().put(tableName, tableModel);
}
if (xmlModel.getExtendsFrom() != null) {
SchemaXMLModel parentModel = xmlModels.get(xmlModel.getExtendsFrom());
loadSchemaModel(model, parentModel, xmlModels);
}
}
private static Map<String, SchemaXMLModel> getXmlModelMapByVersionAndName(List<SchemaXMLModel> xmlModels, String schemaName) {
Map<String, SchemaXMLModel> map = new HashMap<>();
for (SchemaXMLModel xmlModel : xmlModels) {
if (schemaName.equals(xmlModel.getName())) {
map.put(xmlModel.getVersion(), xmlModel);
}
}
return map;
}
private static Map<String, SchemaModel> getModelMapByVersion(Map<String, SchemaXMLModel> xmlModels) {
Map<String, SchemaModel> map = new HashMap<>();
for (SchemaXMLModel xmlModel : xmlModels.values()) {
SchemaModel model = new SchemaModel(xmlModel);
loadSchemaModel(model, xmlModel, xmlModels);
map.put(model.getVersion(), model);
}
return map;
}
public static SchemaModel getTapSchemaModel(String version) {
return TAP_SCHEMA_MODELS.get(version);
}
public static Iterable<SchemaModel> getTapSchemaModels() {
return TAP_SCHEMA_MODELS.values();
}
public static TableModel getTapSchemaTableModel(String tableName, String version) {
return getTapSchemaModel(version).getTables().get(tableName);
}
private static List<String> getAvailableVersions(Map<String, SchemaModel> schemaModels) {
List<String> versions = new ArrayList<>();
for (SchemaModel tapSchemaModel : schemaModels.values()) {
versions.add(tapSchemaModel.getVersion());
}
return versions;
}
public static List<String> getAvailableTapSchemaVersions() {
return getAvailableVersions(TAP_SCHEMA_MODELS);
}
public static List<String> getAvailableIvoaSchemaVersions() {
return getAvailableVersions(IVOA_SCHEMA_MODELS);
}
public static SchemaModel getIvoaSchemaModel(String version) {
return IVOA_SCHEMA_MODELS.get(version);
}
public static Iterable<SchemaModel> getIvoaSchemaModels() {
return IVOA_SCHEMA_MODELS.values();
}
}