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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.orcs.db.internal.exchange.export;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.Timestamp;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.type.PropertyStore;
import org.eclipse.osee.framework.jdk.core.util.HexUtil;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.framework.jdk.core.util.xml.Xml;
import org.eclipse.osee.framework.resource.management.IResource;
import org.eclipse.osee.framework.resource.management.IResourceLocator;
import org.eclipse.osee.framework.resource.management.IResourceManager;
import org.eclipse.osee.jdbc.JdbcClient;
import org.eclipse.osee.jdbc.JdbcConstants;
import org.eclipse.osee.jdbc.JdbcStatement;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.db.internal.exchange.ExportImportXml;
import org.eclipse.osee.orcs.db.internal.exchange.handler.ExportItem;
/**
* @author Roberto E. Escobar
*/
public class DbTableExportItem extends AbstractXmlExportItem {
private final StringBuilder binaryContentBuffer = new StringBuilder();
private final StringBuilder stringContentBuffer = new StringBuilder();
private final StringBuilder oseeCommentBuffer = new StringBuilder();
private final StringBuilder branchNameBuffer = new StringBuilder();
private final StringBuilder rationaleBuffer = new StringBuilder();
private final String query;
private final Object[] bindData;
private final JdbcClient jdbcClient;
private final IResourceManager resourceManager;
public DbTableExportItem(Log logger, JdbcClient jdbcClient, IResourceManager resourceManager, ExportItem id, String query, Object[] bindData) {
super(logger, id);
this.jdbcClient = jdbcClient;
this.resourceManager = resourceManager;
this.query = query;
this.bindData = bindData;
}
private JdbcClient getDatabaseService() {
return jdbcClient;
}
protected String exportBinaryDataTo(File tempFolder, String uriTarget) throws OseeCoreException, IOException {
tempFolder = new File(tempFolder + File.separator + ExportImportXml.RESOURCE_FOLDER_NAME);
if (tempFolder.exists() != true) {
tempFolder.mkdirs();
}
IResourceLocator locator = resourceManager.getResourceLocator(uriTarget);
IResource resource = resourceManager.acquire(locator, new PropertyStore());
File target = new File(tempFolder, locator.getRawPath());
if (target.getParentFile() != null) {
target.getParentFile().mkdirs();
}
InputStream sourceStream = null;
OutputStream outputStream = null;
try {
sourceStream = resource.getContent();
outputStream = new FileOutputStream(target);
Lib.inputStreamToOutputStream(sourceStream, outputStream);
} finally {
Lib.close(sourceStream);
Lib.close(outputStream);
}
return locator.getRawPath().replace('/', '\\');
}
@Override
protected void doWork(Appendable appendable) throws Exception {
JdbcStatement chStmt = getDatabaseService().getStatement();
try {
chStmt.runPreparedQuery(JdbcConstants.JDBC__MAX_FETCH_SIZE, query, bindData);
while (chStmt.next()) {
processData(appendable, chStmt);
}
} finally {
chStmt.close();
}
}
private void processData(Appendable appendable, JdbcStatement chStmt) throws Exception {
ExportImportXml.openPartialXmlNode(appendable, ExportImportXml.ENTRY);
try {
int numberOfColumns = chStmt.getColumnCount();
for (int columnIndex = 1; columnIndex <= numberOfColumns; columnIndex++) {
String columnName = chStmt.getColumnName(columnIndex).toLowerCase();
Object value = chStmt.getObject(columnIndex);
if (columnName.equals("uri")) {
handleBinaryContent(binaryContentBuffer, value);
} else if (columnName.equals("value")) {
handleStringContent(stringContentBuffer, value, ExportImportXml.STRING_CONTENT);
} else if (columnName.equals(ExportImportXml.OSEE_COMMENT)) {
handleStringContent(oseeCommentBuffer, value, columnName);
} else if (columnName.equals(ExportImportXml.BRANCH_NAME)) {
handleStringContent(branchNameBuffer, value, columnName);
} else if (columnName.equals(ExportImportXml.RATIONALE)) {
handleStringContent(rationaleBuffer, value, columnName);
} else if (columnName.equals(ExportImportXml.ART_TYPE_ID)) {
handleTypeId(appendable, value);
} else if (columnName.equals(ExportImportXml.ATTR_TYPE_ID)) {
handleTypeId(appendable, value);
} else if (columnName.equals(ExportImportXml.REL_TYPE_ID)) {
handleTypeId(appendable, value);
} else {
Timestamp timestamp = asTimestamp(value);
if (timestamp != null) {
ExportImportXml.addXmlAttribute(appendable, columnName, timestamp);
} else {
try {
ExportImportXml.addXmlAttribute(appendable, columnName, value);
} catch (Exception ex) {
throw new OseeCoreException(ex, "Unable to convert [%s] of raw type [%s] to string.", columnName,
chStmt.getColumnTypeName(columnIndex));
}
}
}
}
} finally {
if (binaryContentBuffer.length() > 0 || stringContentBuffer.length() > 0 || oseeCommentBuffer.length() > 0 || branchNameBuffer.length() > 0 || rationaleBuffer.length() > 0) {
ExportImportXml.endOpenedPartialXmlNode(appendable);
if (binaryContentBuffer.length() > 0) {
appendable.append(binaryContentBuffer);
binaryContentBuffer.delete(0, binaryContentBuffer.length());
}
if (stringContentBuffer.length() > 0) {
appendable.append(stringContentBuffer);
stringContentBuffer.delete(0, stringContentBuffer.length());
}
if (oseeCommentBuffer.length() > 0) {
appendable.append(oseeCommentBuffer);
oseeCommentBuffer.delete(0, oseeCommentBuffer.length());
}
if (branchNameBuffer.length() > 0) {
appendable.append(branchNameBuffer);
branchNameBuffer.delete(0, branchNameBuffer.length());
}
if (rationaleBuffer.length() > 0) {
appendable.append(rationaleBuffer);
rationaleBuffer.delete(0, rationaleBuffer.length());
}
ExportImportXml.closeXmlNode(appendable, ExportImportXml.ENTRY);
} else {
ExportImportXml.closePartialXmlNode(appendable);
}
}
}
private Timestamp asTimestamp(Object value) {
Timestamp toReturn = null;
if (value instanceof Timestamp) {
toReturn = (Timestamp) value;
} else if (value != null) {
try {
// Account for oracle driver issues
Class<?> clazz = value.getClass();
Method method = clazz.getMethod("timestampValue");
Object object = method.invoke(value);
if (object instanceof Timestamp) {
toReturn = (Timestamp) object;
}
} catch (NoSuchMethodException ex) {
// Do Nothing
} catch (Exception ex) {
getLogger().warn(ex, "Error converting [%s] to timestamp", value);
}
}
return toReturn;
}
private void handleBinaryContent(Appendable appendable, Object value) throws OseeCoreException, IOException {
String uriData = (String) value;
if (Strings.isValid(uriData)) {
uriData = exportBinaryDataTo(getWriteLocation(), uriData);
ExportImportXml.openPartialXmlNode(appendable, ExportImportXml.BINARY_CONTENT);
ExportImportXml.addXmlAttribute(appendable, "location", uriData);
ExportImportXml.closePartialXmlNode(appendable);
}
}
private void handleTypeId(Appendable appendable, Object value) throws IOException, OseeCoreException {
long typeId = -1;
if (value instanceof Short) {
Short xShort = (Short) value;
typeId = xShort.longValue();
} else if (value instanceof Integer) {
typeId = ((Integer) value).longValue();
} else if (value instanceof Long) {
typeId = (Long) value;
} else if (value instanceof BigInteger) {
typeId = ((BigInteger) value).longValue();
} else if (value instanceof BigDecimal) {
typeId = ((BigDecimal) value).longValue();
} else {
throw new OseeCoreException("Undefined Type [%s]", value != null ? value.getClass().getSimpleName() : value);
}
String uuidString = HexUtil.toString(typeId);
ExportImportXml.addXmlAttribute(appendable, ExportImportXml.TYPE_GUID, uuidString);
}
private void handleStringContent(Appendable appendable, Object value, String tag) throws IOException {
String stringValue = (String) value;
if (Strings.isValid(stringValue)) {
ExportImportXml.openXmlNodeNoNewline(appendable, tag);
Xml.writeWhileHandlingCdata(appendable, stringValue);
ExportImportXml.closeXmlNode(appendable, tag);
}
}
}
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