/**
* Determine the type of attachment, based on file extension, and add it to the elog entry with
* the entry_id.
*
* @param fname input filename, either an image or a text file
* @param fileType "I" for image file, "A" for text file
* @param entry_id ID of entry to which to add this file
* @param caption Caption or 'title' for the attachment
* @throws Exception
*/
private void addFileToElog(
final String fname, String fileType, final int entry_id, final String caption)
throws Exception {
// Get the file extension
final int ndx = fname.lastIndexOf(".");
final String extension = fname.substring(ndx + 1);
long fileTypeID = getFileTypeId(fileType, extension);
// If the image type cannot be found in the RDB, change its file type to
// an attachment and look for the
// extension as an attachment
if (fileTypeID == -1 && fileType.equals("I")) {
fileType = "A";
fileTypeID = getFileTypeId(fileType, extension);
}
// Initiate the sql to add attachments to the elog
final String mysql = "call logbook.logbook_pkg.add_entry_attachment" + "(?, ?, ?, ?, ?)";
final Connection connection = rdb.getConnection();
final CallableStatement statement = connection.prepareCall(mysql);
try {
statement.setInt(1, entry_id);
statement.setString(2, fileType);
statement.setString(3, caption);
statement.setLong(4, fileTypeID);
final File inputFile = new File(fname);
// Send the image to the sql.
if (fileType.equals("I")) {
try {
final int file_size = (int) inputFile.length();
final FileInputStream input_stream = new FileInputStream(inputFile);
statement.setBinaryStream(5, input_stream, file_size);
input_stream.close();
} catch (FileNotFoundException e1) {
System.out.println("Could not find " + fname);
return;
}
}
// Send the text attachment to the sql
else {
// Create a Blob to store the attachment in.
final BLOB blob = BLOB.createTemporary(connection, true, BLOB.DURATION_SESSION);
blob.setBytes(1L, getBytesFromFile(inputFile));
statement.setBlob(5, blob);
}
statement.executeQuery();
} finally {
statement.close();
}
}
/** 针对oracle Blob字段的插入操作 */
@Test
public void testBigBlobWrite() {
PreparedDBUtil dbUtil = new PreparedDBUtil();
TransactionManager tm = new TransactionManager();
try {
// 启动事务
tm.begin();
// 先插入一条记录,blob字段初始化为empty_lob
dbUtil.preparedInsert("insert into test(id,blobname) values(?,?)");
String id = DBUtil.getNextStringPrimaryKey("test");
dbUtil.setString(1, id);
dbUtil.setBlob(2, BLOB.empty_lob()); // 先设置空的blob字段
dbUtil.executePrepared();
// 查找刚才的插入的记录，修改blob字段的值为一个文件
dbUtil = new PreparedDBUtil();
dbUtil.preparedSelect("select blobname from test where id = ?");
dbUtil.setString(1, id);
dbUtil.executePrepared();
BLOB blob = (BLOB) dbUtil.getBlob(0, "blobname");
if (blob != null) {
DBUtil.updateBLOB(blob, new java.io.File("d:/dominspector.rar"));
}
tm.commit();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
try {
tm.rollback();
} catch (RollbackException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} finally {
tm = null;
dbUtil = null;
}
}
/** Provide functionality for Oracle specific types, such as ROWID. */
public PyObject getPyObject(ResultSet set, int col, int type) throws SQLException {
PyObject obj = Py.None;
switch (type) {
case Types.BLOB:
BLOB blob = ((OracleResultSet) set).getBLOB(col);
if (blob == null) {
return Py.None;
}
InputStream stream = new BufferedInputStream(blob.getBinaryStream());
obj = Py.java2py(DataHandler.read(stream));
break;
case OracleTypes.ROWID:
ROWID rowid = ((OracleResultSet) set).getROWID(col);
if (rowid != null) {
obj = Py.java2py(rowid.stringValue());
}
break;
default:
obj = super.getPyObject(set, col, type);
}
return (set.wasNull() ? Py.None : obj);
}
public static void main(String[] args) {
try {
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
;
Connection conn =
DriverManager.getConnection(
"jdbc:oracle:thin:@192.168.117.110:1521:WFZF", "qzkj", "qzkj");
conn.setAutoCommit(false);
;
BLOB blob = null;
PreparedStatement pstmt =
conn.prepareStatement("insert into sys_file(uuid,content,name) values(?,empty_blob(),?)");
String uuid = Tool.getStringUUid();
pstmt.setString(1, uuid);
pstmt.setString(2, "test.flv");
pstmt.executeUpdate();
pstmt.close();
pstmt = conn.prepareStatement("select content from sys_file where uuid= ? for update");
pstmt.setString(1, uuid);
ResultSet rset = pstmt.executeQuery();
;
if (rset.next()) blob = (BLOB) rset.getBlob(1);
;
String fileName = "test.flv";
File f =
new File(
"C://Documents and Settings//Administrator//桌面//FlvPlayer201002//FlvPlayer201002//"
+ fileName);
FileInputStream fin = new FileInputStream(f);
;
System.out.println("file size = " + fin.available());
pstmt = conn.prepareStatement("update sys_file set content=? where uuid=?");
;
OutputStream out = blob.getBinaryOutputStream();
;
int count = -1, total = 0;
byte[] data = new byte[(int) fin.available()];
fin.read(data);
;
out.write(data);
;
/*
byte[] data = new byte[blob.getBufferSize();]; 另一种实现方法,节省内存
while ((count = fin.read(data);); != -1); {
total += count;
out.write(data, 0, count);;
}
*/
fin.close();
;
out.close();
;
pstmt.setBlob(1, blob);
;
pstmt.setString(2, uuid);
pstmt.executeUpdate();
;
pstmt.close();
;
conn.commit();
;
conn.close();
;
} catch (SQLException e) {
System.err.println(e.getMessage());
;
e.printStackTrace();
} catch (IOException e) {
System.err.println(e.getMessage());
;
}
}
@SuppressWarnings({"unchecked", "deprecation"})
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response_message = "";
HttpSession session = request.getSession();
FileItem image_file = null;
int record_id = 0;
int image_id;
InputStream instream = null;
OutputStream full_outstream = null;
OutputStream thumb_outstream = null;
OutputStream regular_outstream = null;
// Check if there is any input in the record id field
if (request.getParameter("recordID") == null || request.getParameter("recordID").equals("")) {
response_message = "<p><font color=ff0000>No ID entered!</font></p>";
session.setAttribute("msg", response_message);
response.sendRedirect("uploadImage.jsp");
}
try {
// Parse the HTTP request to get the image stream
DiskFileUpload fu = new DiskFileUpload();
List<FileItem> FileItems = fu.parseRequest(request);
// Process the uploaded items, assuming only 1 image file uploaded
Iterator<FileItem> i = FileItems.iterator();
while (i.hasNext()) {
FileItem item = (FileItem) i.next();
if (item.isFormField()) {
if (item.getFieldName().equals("recordID")) {
record_id = Integer.parseInt(item.getString());
if (!isValidID(record_id)) {
response_message = "<p><font color=ff0000>Invalid record id!</font></p>";
session.setAttribute("msg", response_message);
response.sendRedirect("uploadImage.jsp");
}
}
// out.println(item.getFieldName() + ": " +
// item.getString());
} else {
image_file = item;
if (image_file.getName().equals("")) {
response_message = "<p><font color=ff0000>No file selected!</font></p>";
session.setAttribute("msg", response_message);
response.sendRedirect("uploadImage.jsp");
}
}
}
// Get the image stream
instream = image_file.getInputStream();
BufferedImage full_image = ImageIO.read(instream);
BufferedImage thumbnail = shrink(full_image, THUMBNAIL_SHRINK);
BufferedImage regular_image = shrink(full_image, REGULAR_SHRINK);
// Connect to the database
db = new Database();
db.connect();
conn = db.getConnection();
stmt = conn.createStatement();
/*
* First, to generate a unique pic_id using an SQL sequence
*/
ResultSet rset1 = stmt.executeQuery(SQL_IMAGE_ID);
rset1.next();
image_id = rset1.getInt(1);
// Insert an empty blob into the table first. Note that you have to
// use the Oracle specific function empty_blob() to create an empty
// blob
stmt.execute(
"INSERT INTO pacs_images VALUES("
+ record_id
+ ","
+ image_id
+ ", empty_blob(), empty_blob(), empty_blob())");
// to retrieve the lob_locator
// Note that you must use "FOR UPDATE" in the select statement
String cmd = "SELECT * FROM pacs_images WHERE image_id = " + image_id + " FOR UPDATE";
ResultSet rset = stmt.executeQuery(cmd);
rset.next();
BLOB thumb = ((OracleResultSet) rset).getBLOB("thumbnail");
BLOB regular = ((OracleResultSet) rset).getBLOB("regular_size");
BLOB full = ((OracleResultSet) rset).getBLOB("full_size");
// Write the image to the blob object
full_outstream = full.getBinaryOutputStream();
ImageIO.write(full_image, "jpg", full_outstream);
thumb_outstream = thumb.getBinaryOutputStream();
ImageIO.write(thumbnail, "jpg", thumb_outstream);
regular_outstream = regular.getBinaryOutputStream();
ImageIO.write(regular_image, "jpg", regular_outstream);
stmt.executeUpdate("commit");
response_message = "<p>Upload OK!</p>";
session.setAttribute("msg", response_message);
response.sendRedirect("uploadImage.jsp");
} catch (Exception ex) {
response_message = ex.getMessage();
} finally {
if (instream != null) {
instream.close();
}
if (full_outstream != null) {
full_outstream.close();
}
if (thumb_outstream != null) {
thumb_outstream.close();
}
if (regular_outstream != null) {
regular_outstream.close();
}
db.close(conn, stmt, null, rset);
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// Variable initializations.
HttpSession session = request.getSession();
FileItem image_file = null;
int record_id = 0;
int image_id;
// Check if a record ID has been entered.
if (request.getParameter("recordID") == null || request.getParameter("recordID").equals("")) {
// If no ID has been entered, send message to jsp.
response_message =
"<p><font color=FF0000>No Record ID Detected, Please Enter One.</font></p>";
session.setAttribute("msg", response_message);
response.sendRedirect("UploadImage.jsp");
}
try {
// Parse the HTTP request to get the image stream.
DiskFileUpload fu = new DiskFileUpload();
// Will get multiple image files if that happens and can be accessed through FileItems.
List<FileItem> FileItems = fu.parseRequest(request);
// Connect to the database and create a statement.
conn = getConnected(drivername, dbstring, username, password);
stmt = conn.createStatement();
// Process the uploaded items, assuming only 1 image file uploaded.
Iterator<FileItem> i = FileItems.iterator();
while (i.hasNext()) {
FileItem item = (FileItem) i.next();
// Test if item is a form field and matches recordID.
if (item.isFormField()) {
if (item.getFieldName().equals("recordID")) {
// Covert record id from string to integer.
record_id = Integer.parseInt(item.getString());
String sql = "select count(*) from radiology_record where record_id = " + record_id;
int count = 0;
try {
rset = stmt.executeQuery(sql);
while (rset != null && rset.next()) {
count = (rset.getInt(1));
}
} catch (SQLException e) {
response_message = e.getMessage();
}
// Check if recordID is in the database.
if (count == 0) {
// Invalid recordID, send message to jsp.
response_message =
"<p><font color=FF0000>Record ID Does Not Exist In Database.</font></p>";
session.setAttribute("msg", response_message);
// Close connection.
conn.close();
response.sendRedirect("UploadImage.jsp");
}
}
} else {
image_file = item;
if (image_file.getName().equals("")) {
// No file, send message to jsp.
response_message = "<p><font color=FF0000>No File Selected For Record ID.</font></p>";
session.setAttribute("msg", response_message);
// Close connection.
conn.close();
response.sendRedirect("UploadImage.jsp");
}
}
}
// Get the image stream.
InputStream instream = image_file.getInputStream();
BufferedImage full_image = ImageIO.read(instream);
BufferedImage thumbnail = shrink(full_image, 10);
BufferedImage regular_image = shrink(full_image, 5);
// First, to generate a unique img_id using an SQL sequence.
rset1 = stmt.executeQuery("SELECT image_id_sequence.nextval from dual");
rset1.next();
image_id = rset1.getInt(1);
// Insert an empty blob into the table first. Note that you have to
// use the Oracle specific function empty_blob() to create an empty blob.
stmt.execute(
"INSERT INTO pacs_images VALUES("
+ record_id
+ ","
+ image_id
+ ", empty_blob(), empty_blob(), empty_blob())");
// to retrieve the lob_locator
// Note that you must use "FOR UPDATE" in the select statement
String cmd = "SELECT * FROM pacs_images WHERE image_id = " + image_id + " FOR UPDATE";
rset = stmt.executeQuery(cmd);
rset.next();
BLOB myblobFull = ((OracleResultSet) rset).getBLOB(5);
BLOB myblobThumb = ((OracleResultSet) rset).getBLOB(3);
BLOB myblobRegular = ((OracleResultSet) rset).getBLOB(4);
// Write the full size image to the blob object.
OutputStream fullOutstream = myblobFull.getBinaryOutputStream();
ImageIO.write(full_image, "jpg", fullOutstream);
// Write the thumbnail size image to the blob object.
OutputStream thumbOutstream = myblobThumb.getBinaryOutputStream();
ImageIO.write(thumbnail, "jpg", thumbOutstream);
// Write the regular size image to the blob object.
OutputStream regularOutstream = myblobRegular.getBinaryOutputStream();
ImageIO.write(regular_image, "jpg", regularOutstream);
// Commit the changes to database.
stmt.executeUpdate("commit");
response_message = "<p><font color=00CC00>Upload Successful.</font></p>";
session.setAttribute("msg", response_message);
instream.close();
fullOutstream.close();
thumbOutstream.close();
regularOutstream.close();
// Close connection.
conn.close();
response.sendRedirect("UploadImage.jsp");
instream.close();
fullOutstream.close();
thumbOutstream.close();
regularOutstream.close();
// Close connection.
conn.close();
} catch (Exception ex) {
response_message = ex.getMessage();
}
}
public static void sendToOracle(BeanAccesSQL DBSQL, LinkedList<Posters> posters, int idFilm)
throws Exception {
ArrayDescriptor ListString =
ArrayDescriptor.createDescriptor("LISTVARCHAR2", DBSQL.getConnection());
ArrayDescriptor ListInt = ArrayDescriptor.createDescriptor("LISTNUMBER", DBSQL.getConnection());
ArrayDescriptor ListBlob = ArrayDescriptor.createDescriptor("LISTBLOB", DBSQL.getConnection());
String requete = "{ call PACKAGE_CB.EncoderPosters(?,?,?,?,?,?)}";
CallableStatement csmt = null, smt2 = null;
byte[] imageInByte = null;
Statement smt = null;
int count = 0, nbCover = 0;
InputStream isImage = null;
LinkedList<Posters> listCover = new LinkedList<>();
for (Posters p : posters) {
if (p.getImage().getSize().equals("cover")) {
count++;
listCover.add(p);
if (count == 4) break;
}
}
String[] id = new String[count];
String[] url = new String[count];
String[] size = new String[count];
int[] height = new int[count];
int[] width = new int[count];
BLOB[] img = new BLOB[count];
int i = 0;
for (Posters s : listCover) {
id[i] = s.getImage().getId();
height[i] = s.getImage().getHeight();
width[i] = s.getImage().getWidth();
url[i] = s.getImage().getUrl();
size[i] = s.getImage().getSize();
i++;
}
nbCover = i;
for (i = 0; i < nbCover; i++) {
try {
URL urlImage = new URL(url[i]);
BufferedImage image = ImageIO.read(urlImage);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(image, "jpg", baos);
baos.flush();
imageInByte = baos.toByteArray();
baos.close();
img[i] = BLOB.createTemporary(DBSQL.getConnection(), false, BLOB.DURATION_SESSION);
OutputStream outputStream = img[i].setBinaryStream(0L);
ByteArrayInputStream inputStream = new ByteArrayInputStream(imageInByte);
byte[] buffer = new byte[img[i].getBufferSize()];
int bytesRead = 0;
while ((bytesRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, bytesRead);
}
outputStream.close();
inputStream.close();
} catch (IOException ex) {
Logger.getLogger(Posters.class.getName()).log(Level.SEVERE, null, ex);
}
}
Array arrayId = new ARRAY(ListString, DBSQL.getConnection(), id);
Array arraySize = new ARRAY(ListString, DBSQL.getConnection(), size);
Array arrayHeight = new ARRAY(ListInt, DBSQL.getConnection(), height);
Array arrayWidth = new ARRAY(ListInt, DBSQL.getConnection(), width);
Array arrayImg = new ARRAY(ListBlob, DBSQL.getConnection(), img);
try {
csmt = DBSQL.getConnection().prepareCall(requete);
csmt.setArray(1, arrayId);
csmt.setArray(2, arraySize);
csmt.setArray(3, arrayHeight);
csmt.setArray(4, arrayWidth);
csmt.setArray(5, arrayImg);
csmt.setInt(6, idFilm);
csmt.executeUpdate();
csmt.close();
smt = DBSQL.getConnection().createStatement();
smt.executeQuery("commit");
smt.close();
} catch (SQLException ex) {
throw new Exception("Poster Exception: " + ex.getMessage());
}
}