本文整理汇总了Java中java.sql.Blob.setBytes方法的典型用法代码示例。如果您正苦于以下问题：Java Blob.setBytes方法的具体用法？Java Blob.setBytes怎么用？Java Blob.setBytes使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.sql.Blob的用法示例。
在下文中一共展示了Blob.setBytes方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testBug2670
import java.sql.Blob; //导入方法依赖的package包/类
/**
* @throws Exception
*/
public void testBug2670() throws Exception {
byte[] blobData = new byte[32];
for (int i = 0; i < blobData.length; i++) {
blobData[i] = 1;
}
createTable("testBug2670", "(blobField LONGBLOB)");
PreparedStatement pStmt = this.conn.prepareStatement("INSERT INTO testBug2670 (blobField) VALUES (?)");
pStmt.setBytes(1, blobData);
pStmt.executeUpdate();
this.rs = this.stmt.executeQuery("SELECT blobField FROM testBug2670");
this.rs.next();
Blob blob = this.rs.getBlob(1);
//
// Test mid-point insertion
//
blob.setBytes(4, new byte[] { 2, 2, 2, 2 });
byte[] newBlobData = blob.getBytes(1L, (int) blob.length());
assertTrue("Blob changed length", blob.length() == blobData.length);
assertTrue("New data inserted wrongly", ((newBlobData[3] == 2) && (newBlobData[4] == 2) && (newBlobData[5] == 2) && (newBlobData[6] == 2)));
//
// Test end-point insertion
//
blob.setBytes(32, new byte[] { 2, 2, 2, 2 });
assertTrue("Blob length should be 3 larger", blob.length() == (blobData.length + 3));
}
示例2: getLobLiteral
import java.sql.Blob; //导入方法依赖的package包/类
public static Literal getLobLiteral(Object inputValue, String dataType, Connection connection) throws SQLException{
Literal literal = null;
if(connection==null){
literal = new NullLiteral();
}else{
if(SqlColumnType.BLOB.equalsIgnoreCase(dataType)){
literal= new BlobLiteral();
Blob blob = connection.createBlob();
Binary objArray = (Binary) inputValue;
blob.setBytes(1, objArray.getData());
literal.setLiteralValue(blob);
}else if(SqlColumnType.CLOB.equalsIgnoreCase(dataType)){
literal = new ClobLiteral();
Clob clob = connection.createClob();
clob.setString(1, String.valueOf(inputValue));
literal.setLiteralValue(clob);
}
}
return literal;
}
示例3: setBlobAsBytes
import java.sql.Blob; //导入方法依赖的package包/类
@Override
public void setBlobAsBytes(PreparedStatement ps, int paramIndex, byte[] content)
throws SQLException {
Blob blob = ps.getConnection().createBlob();
blob.setBytes(1, content);
this.temporaryBlobs.add(blob);
ps.setBlob(paramIndex, blob);
if (logger.isDebugEnabled()) {
logger.debug(content != null ? "Copied bytes into temporary BLOB with length " + content.length :
"Set BLOB to null");
}
}
示例4: createBlob
import java.sql.Blob; //导入方法依赖的package包/类
@Override
public Blob createBlob(byte[] bytes) {
try {
final Blob blob = createBlob();
blob.setBytes( 1, bytes );
return blob;
}
catch ( SQLException e ) {
throw new JDBCException( "Unable to set BLOB bytes after creation", e );
}
}
示例5: writeToBlob
import java.sql.Blob; //导入方法依赖的package包/类
/**
* Writes a byte array to a {@link Blob}.
*
* @param bytes
* byte array.
* @param blob
* an initialized {@link Blob}.
* @return the {@link Blob} instance passed as <code>blob</code> argument.
* @throws SQLException
*/
public static Blob writeToBlob(byte[] bytes, Blob blob, Session session) throws SQLException {
if (/*blob != null*/ false) { // not supported
blob.setBytes(0, bytes);
blob.truncate(bytes.length);
} else {
blob = Hibernate.getLobCreator(session).createBlob(bytes);
}
return blob;
}