/*
* 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.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
*
*
*
*
*
*
*
*
*
*
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*
*
*/
package org.jooq.util.xml;
import static org.jooq.tools.StringUtils.defaultIfBlank;
import static org.jooq.tools.StringUtils.defaultIfNull;
import static org.jooq.tools.StringUtils.isBlank;
import static org.jooq.util.xml.jaxb.TableConstraintType.PRIMARY_KEY;
import static org.jooq.util.xml.jaxb.TableConstraintType.UNIQUE;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.xml.bind.JAXB;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.jooq.DSLContext;
import org.jooq.SQLDialect;
import org.jooq.impl.DSL;
import org.jooq.tools.JooqLogger;
import org.jooq.tools.StringUtils;
import org.jooq.util.AbstractDatabase;
import org.jooq.util.ArrayDefinition;
import org.jooq.util.CatalogDefinition;
import org.jooq.util.ColumnDefinition;
import org.jooq.util.DataTypeDefinition;
import org.jooq.util.DefaultDataTypeDefinition;
import org.jooq.util.DefaultRelations;
import org.jooq.util.DefaultSequenceDefinition;
import org.jooq.util.DomainDefinition;
import org.jooq.util.EnumDefinition;
import org.jooq.util.PackageDefinition;
import org.jooq.util.RoutineDefinition;
import org.jooq.util.SchemaDefinition;
import org.jooq.util.SequenceDefinition;
import org.jooq.util.TableDefinition;
import org.jooq.util.UDTDefinition;
import org.jooq.util.xml.jaxb.InformationSchema;
import org.jooq.util.xml.jaxb.KeyColumnUsage;
import org.jooq.util.xml.jaxb.ReferentialConstraint;
import org.jooq.util.xml.jaxb.Routine;
import org.jooq.util.xml.jaxb.Schema;
import org.jooq.util.xml.jaxb.Sequence;
import org.jooq.util.xml.jaxb.Table;
import org.jooq.util.xml.jaxb.TableConstraint;
import org.jooq.util.xml.jaxb.TableConstraintType;
/**
* The XML Database.
*
* @author Lukas Eder
*/
public class XMLDatabase extends AbstractDatabase {
private static final JooqLogger log = JooqLogger.getLogger(XMLDatabase.class);
/**
* The property name for the XML file
*/
public static final String P_XML_FILE = "xml-file";
/**
* The property name for the XSL file that pre-processes the XML file
*/
public static final String P_XSL_FILE = "xsl-file";
/**
* The property name for the dialect name
*/
public static final String P_DIALECT = "dialect";
InformationSchema info;
private InformationSchema info() {
if (info == null) {
String xml = getProperties().getProperty(P_XML_FILE);
String xsl = getProperties().getProperty(P_XSL_FILE);
InputStream xmlIs = null;
InputStream xslIs = null;
log.info("Using XML file", xml);
try {
xmlIs = XMLDatabase.class.getResourceAsStream(xml);
if (xmlIs == null)
xmlIs = new FileInputStream(xml);
if (StringUtils.isBlank(xsl)) {
info = JAXB.unmarshal(new File(xml), InformationSchema.class);
}
else {
log.info("Using XSL file", xsl);
xslIs = XMLDatabase.class.getResourceAsStream(xsl);
if (xslIs == null)
xslIs = new FileInputStream(xsl);
try {
StringWriter writer = new StringWriter();
TransformerFactory factory = TransformerFactory.newInstance();
Transformer transformer = factory.newTransformer(new StreamSource(xslIs));
transformer.transform(new StreamSource(xmlIs), new StreamResult(writer));
info = JAXB.unmarshal(new StringReader(writer.getBuffer().toString()), InformationSchema.class);
}
catch (TransformerException e) {
throw new RuntimeException("Error while transforming XML file " + xml + " with XSL file " + xsl, e);
}
}
}
catch (IOException e) {
throw new RuntimeException("Error while opening files " + xml + " or " + xsl, e);
}
finally {
if (xmlIs != null) {
try {
xmlIs.close();
}
catch (Exception ignore) {}
}
if (xslIs != null) {
try {
xslIs.close();
}
catch (Exception ignore) {}
}
}
}
return info;
}
@Override
protected DSLContext create0() {
SQLDialect dialect = SQLDialect.DEFAULT;
try {
dialect = SQLDialect.valueOf(getProperties().getProperty(P_DIALECT));
}
catch (Exception ignore) {}
return DSL.using(dialect);
}
@Override
protected void loadPrimaryKeys(DefaultRelations relations) {
for (KeyColumnUsage usage : keyColumnUsage(PRIMARY_KEY)) {
SchemaDefinition schema = getSchema(usage.getConstraintSchema());
String key = usage.getConstraintName();
String tableName = usage.getTableName();
String columnName = usage.getColumnName();
TableDefinition table = getTable(schema, tableName);
if (table != null) {
relations.addPrimaryKey(key, table.getColumn(columnName));
}
}
}
@Override
protected void loadUniqueKeys(DefaultRelations relations) {
for (KeyColumnUsage usage : keyColumnUsage(UNIQUE)) {
SchemaDefinition schema = getSchema(usage.getConstraintSchema());
String key = usage.getConstraintName();
String tableName = usage.getTableName();
String columnName = usage.getColumnName();
TableDefinition table = getTable(schema, tableName);
if (table != null) {
relations.addUniqueKey(key, table.getColumn(columnName));
}
}
}
private List<KeyColumnUsage> keyColumnUsage(TableConstraintType constraintType) {
List<KeyColumnUsage> result = new ArrayList<KeyColumnUsage>();
for (TableConstraint constraint : info().getTableConstraints()) {
if (constraintType == constraint.getConstraintType()
&& getInputSchemata().contains(constraint.getConstraintSchema())) {
for (KeyColumnUsage usage : info().getKeyColumnUsages()) {
if ( StringUtils.equals(constraint.getConstraintCatalog(), usage.getConstraintCatalog())
&& StringUtils.equals(constraint.getConstraintSchema(), usage.getConstraintSchema())
&& StringUtils.equals(constraint.getConstraintName(), usage.getConstraintName())) {
result.add(usage);
}
}
}
}
Collections.sort(result, new Comparator<KeyColumnUsage>() {
@Override
public int compare(KeyColumnUsage o1, KeyColumnUsage o2) {
int r = 0;
r = defaultIfNull(o1.getConstraintCatalog(), "").compareTo(defaultIfNull(o2.getConstraintCatalog(), ""));
if (r != 0)
return r;
r = defaultIfNull(o1.getConstraintSchema(), "").compareTo(defaultIfNull(o2.getConstraintSchema(), ""));
if (r != 0)
return r;
r = defaultIfNull(o1.getConstraintName(), "").compareTo(defaultIfNull(o2.getConstraintName(), ""));
if (r != 0)
return r;
return Integer.valueOf(o1.getOrdinalPosition()).compareTo(o2.getOrdinalPosition());
}
});
return result;
}
@Override
protected void loadForeignKeys(DefaultRelations relations) {
for (ReferentialConstraint constraint : info().getReferentialConstraints()) {
if (getInputSchemata().contains(constraint.getConstraintSchema())) {
for (KeyColumnUsage usage : info().getKeyColumnUsages()) {
if ( StringUtils.equals(constraint.getConstraintCatalog(), usage.getConstraintCatalog())
&& StringUtils.equals(constraint.getConstraintSchema(), usage.getConstraintSchema())
&& StringUtils.equals(constraint.getConstraintName(), usage.getConstraintName())) {
SchemaDefinition foreignKeySchema = getSchema(constraint.getConstraintSchema());
SchemaDefinition uniqueKeySchema = getSchema(constraint.getUniqueConstraintSchema());
String foreignKey = usage.getConstraintName();
String foreignKeyTable = usage.getTableName();
String foreignKeyColumn = usage.getColumnName();
String uniqueKey = constraint.getUniqueConstraintName();
TableDefinition referencingTable = getTable(foreignKeySchema, foreignKeyTable);
if (referencingTable != null) {
ColumnDefinition referencingColumn = referencingTable.getColumn(foreignKeyColumn);
relations.addForeignKey(foreignKey, uniqueKey, referencingColumn, uniqueKeySchema);
}
}
}
}
}
}
@Override
protected void loadCheckConstraints(DefaultRelations r) {
}
@Override
protected List<CatalogDefinition> getCatalogs0() throws SQLException {
List<CatalogDefinition> result = new ArrayList<CatalogDefinition>();
result.add(new CatalogDefinition(this, "", ""));
return result;
}
@Override
protected List<SchemaDefinition> getSchemata0() {
List<SchemaDefinition> result = new ArrayList<SchemaDefinition>();
for (Schema schema : info().getSchemata()) {
result.add(new SchemaDefinition(this, schema.getSchemaName(), null));
}
return result;
}
@Override
protected List<SequenceDefinition> getSequences0() {
List<SequenceDefinition> result = new ArrayList<SequenceDefinition>();
for (Sequence sequence : info().getSequences()) {
if (getInputSchemata().contains(sequence.getSequenceSchema())) {
SchemaDefinition schema = getSchema(sequence.getSequenceSchema());
DataTypeDefinition type = new DefaultDataTypeDefinition(
this,
schema,
sequence.getDataType(),
sequence.getCharacterMaximumLength(),
sequence.getNumericPrecision(),
sequence.getNumericScale(),
false,
(String) null
);
result.add(new DefaultSequenceDefinition(schema, sequence.getSequenceName(), type));
}
}
return result;
}
@Override
protected List<TableDefinition> getTables0() {
List<TableDefinition> result = new ArrayList<TableDefinition>();
for (Table table : info().getTables()) {
if (getInputSchemata().contains(table.getTableSchema())) {
SchemaDefinition schema = getSchema(table.getTableSchema());
result.add(new XMLTableDefinition(schema, info(), table));
}
}
return result;
}
@Override
protected List<EnumDefinition> getEnums0() {
List<EnumDefinition> result = new ArrayList<EnumDefinition>();
return result;
}
@Override
protected List<DomainDefinition> getDomains0() throws SQLException {
List<DomainDefinition> result = new ArrayList<DomainDefinition>();
return result;
}
@Override
protected List<UDTDefinition> getUDTs0() {
List<UDTDefinition> result = new ArrayList<UDTDefinition>();
return result;
}
@Override
protected List<ArrayDefinition> getArrays0() {
List<ArrayDefinition> result = new ArrayList<ArrayDefinition>();
return result;
}
@Override
protected List<RoutineDefinition> getRoutines0() {
List<RoutineDefinition> result = new ArrayList<RoutineDefinition>();
for (Routine routine : info().getRoutines()) {
if (isBlank(routine.getSpecificPackage()) && isBlank(routine.getRoutinePackage())) {
String schemaName = defaultIfBlank(routine.getSpecificSchema(), routine.getRoutineSchema());
if (getInputSchemata().contains(schemaName)) {
SchemaDefinition schema = getSchema(schemaName);
result.add(new XMLRoutineDefinition(schema, null, info(), routine));
}
}
}
return result;
}
@Override
protected List<PackageDefinition> getPackages0() {
List<PackageDefinition> result = new ArrayList<PackageDefinition>();
Set<String> packages = new HashSet<String>();
for (Routine routine : info().getRoutines()) {
String schemaName = defaultIfBlank(routine.getSpecificSchema(), routine.getRoutineSchema());
if (getInputSchemata().contains(schemaName)) {
SchemaDefinition schema = getSchema(schemaName);
String packageName = defaultIfBlank(routine.getSpecificPackage(), routine.getRoutinePackage());
if (!isBlank(packageName) && packages.add(packageName)) {
result.add(new XMLPackageDefinition(schema, info(), packageName));
}
}
}
return result;
}
static int unbox(Integer i) {
return i == null ? 0 : i.intValue();
}
static long unbox(Long l) {
return l == null ? 0L : l.longValue();
}
}