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/*******************************************************************************
* =============LICENSE_START=========================================================
*
* =================================================================================
* Copyright (c) 2017 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.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*******************************************************************************/
package org.onap.ecomp.persistence;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import org.onap.ecomp.main.APIHUtil;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
public class EcompBlueprintPersistence {
final static EELFLogger logger = EELFManager.getInstance().getLogger(
EcompBlueprintPersistence.class);
private APIHDBSource apihDBSource = null;
public EcompBlueprintPersistence() {
apihDBSource = APIHDBSource.getInstance();
}
public void saveBlueprint(String id, String fileName,String blueprintURL) {
String outputLocation = "/home/attcloud/apilayer/tmp";
String zipLocation = "/home/attcloud/apilayer/tmp/" + id + ".zip";
try{
APIHUtil.getIntance().deleteDirectory(outputLocation);
logger.info("Starting to download the zip file from the URL :" + blueprintURL);
URL url = new URL(blueprintURL);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
InputStream in = connection.getInputStream();
FileOutputStream out = new FileOutputStream(zipLocation);
copy(in, out, 1024);
out.close();
logger.info("Downloaded the zip file and saved at :" + zipLocation);
logger.info("Extracting the zip file");
APIHUtil.getIntance().unzip(zipLocation, outputLocation + "/" + id);
EcompBlueprintPersistence blueprintPersistence = new EcompBlueprintPersistence();
APIHUtil.getIntance().setFileNameToSearch(fileName);
blueprintPersistence.addBlueprint( id,fileName,APIHUtil.getIntance().searchBlueprint(new File(outputLocation)));
APIHUtil.getIntance().deleteDirectory(outputLocation);
logger.info("Clean up done !!!");
}catch(Exception e){
logger.error("Some exception while saving the blueprint in Inventory " + e.getMessage());
APIHUtil.getIntance().deleteDirectory(outputLocation);
}
}
public static void copy(InputStream input, OutputStream output,
int bufferSize) throws IOException {
byte[] buf = new byte[bufferSize];
int n = input.read(buf);
while (n >= 0) {
output.write(buf, 0, n);
n = input.read(buf);
}
output.flush();
}
public boolean addBlueprint(String blueprintID, final String blueprintName,
String blueprintLocation) throws Exception {
logger.info("Blueprint location is " + blueprintLocation);
logger.info("Blueprint id is " + blueprintID);
logger.info("Blueprint name is " + blueprintName);
Connection conn = apihDBSource.getConnection();
System.out.println(conn.isValid(10));
if(!conn.isValid(10))
throw new Exception("Connection is not established");
File f = new File(blueprintLocation);
FileInputStream fis = new FileInputStream(f);
PreparedStatement ps = conn
.prepareStatement("INSERT INTO blueprints VALUES (?, ?, ?)");
ps.setString(1, blueprintID);
ps.setString(2, blueprintName);
ps.setBinaryStream(3, fis, f.length());
ps.executeUpdate();
ps.close();
fis.close();
logger.info("Saved blueprint in Inventory");
return true;
}
public File fetchBlueprint(String id) throws Exception {
File file = null;
Connection conn = apihDBSource.getConnection();
String blueprintName = "";
Statement cs = conn.createStatement();
String sql = "SELECT name,blueprint from blueprints where id='" + id + "'";
ResultSet rs = cs.executeQuery(sql);
if (!rs.isBeforeFirst()) {
return null;
} else {
byte[] imgBytes = null;
while (rs.next()) {
blueprintName = rs.getString(1);
imgBytes = rs.getBytes(2);
}
file = new File(
"/home/attcloud/apilayer/tmp/"+ blueprintName);
if(file.exists())
file.delete();
FileOutputStream fos = new FileOutputStream(file);
fos.write(imgBytes);
fos.flush();
fos.close();
}
rs.close();
return file;
}
public boolean deleteBlueprint(String id) {
try{
Connection conn = apihDBSource.getConnection();
Statement cs = conn.createStatement();
String sql = "DELETE from blueprints where id='" + id + "'";
cs.execute(sql);
return true;
}catch(Exception E){
E.printStackTrace();
logger.info("Exception while deleting the blueprint from inventory " + id + ":" + E.getMessage());
return false;
}
}
}
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