Java Doc for JDBCUtil.java in  » EJB-Server-JBoss-4.2.1 » server » org » jboss » ejb » plugins » cmp » jdbc » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » server » org.jboss.ejb.plugins.cmp.jdbc   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.jboss.ejb.plugins.cmp.jdbc.JDBCUtil JDBCUtil final public class JDBCUtil (Code) JDBCUtil takes care of some of the more anoying JDBC tasks. It hanles safe closing of jdbc resources, setting statement parameters and loading query results. author:    Dain Sundstrom author:    Alex Loubyansky author:    Steve Coy version:    $Revision: 57209 $ Method Summary public static  Object coerceToSQLType(int jdbcType, Object value)      Coerces the input value into the correct type for the specified jdbcType. public static  byte[] convertObjectToByteArray(Object value)      Coverts the value into a byte array. public static  Object convertToObject(byte[] input)      Coverts the input into an object. public static  Object convertToObject(InputStream input)      Coverts the input into an object. public static  byte[] getByteArray(InputStream input)      Read the entire input stream provided and return its content as a byte array. The method closes the passed in input stream! Parameters:   input - the InputStream from which a result isbeing retrieved. public static  String getJDBCTypeName(int jdbcType)      Gets the JDBC type name corresponding to the given type code. Only used in debug log messages. Parameters:   jdbcType - the integer JDBC type code. public static  String getLongString(ResultSet rs, int index)      Get the indicated result set parameter as a character stream and return it's entire content as a String. Parameters:   rs - the ResultSet from which a result isbeing retrieved. Parameters:   index - index of the result column. public static  Object getParameter(Logger log, CallableStatement cs, int index, int jdbcType, Class destination)      Used for all retrieval of parameters from CallableStatements. public static  JDBCParameterSetter getParameterSetter(int jdbcType, Class javaType)      public static  JDBCResultSetReader getResultReaderByType(Class destination)      public static  JDBCResultSetReader getResultSetReader(int jdbcType, Class destination)      public static  void safeClose(Connection con)      public static  void safeClose(ResultSet rs)      public static  void safeClose(Statement statement)      public static  void safeClose(InputStream in)      public static  void safeClose(OutputStream out)      public static  void safeClose(Reader reader)      Method Detail coerceToSQLType public static Object coerceToSQLType(int jdbcType, Object value)(Code) Coerces the input value into the correct type for the specified jdbcType. Parameters:   jdbcType - the jdbc type to which the value will be assigned Parameters:   value - the value to coerce the corrected object convertObjectToByteArray public static byte[] convertObjectToByteArray(Object value) throws SQLException(Code) Coverts the value into a byte array. Parameters:   value - the value to convert into a byte array the byte representation of the value throws:   SQLException - if a problem occures in the conversion convertToObject public static Object convertToObject(byte[] input) throws SQLException(Code) Coverts the input into an object. Parameters:   input - the bytes to convert the object repsentation of the input stream throws:   SQLException - if a problem occures in the conversion convertToObject public static Object convertToObject(InputStream input) throws SQLException(Code) Coverts the input into an object. Parameters:   input - the bytes to convert the object repsentation of the input stream throws:   SQLException - if a problem occures in the conversion getByteArray public static byte[] getByteArray(InputStream input) throws SQLException(Code) Read the entire input stream provided and return its content as a byte array. The method closes the passed in input stream! Parameters:   input - the InputStream from which a result isbeing retrieved. a byte array containing the content of the input stream getJDBCTypeName public static String getJDBCTypeName(int jdbcType)(Code) Gets the JDBC type name corresponding to the given type code. Only used in debug log messages. Parameters:   jdbcType - the integer JDBC type code. the JDBC type name. See Also:   Types getLongString public static String getLongString(ResultSet rs, int index) throws SQLException(Code) Get the indicated result set parameter as a character stream and return it's entire content as a String. Parameters:   rs - the ResultSet from which a result isbeing retrieved. Parameters:   index - index of the result column. a String containing the content of the result column getParameter public static Object getParameter(Logger log, CallableStatement cs, int index, int jdbcType, Class destination) throws SQLException(Code) Used for all retrieval of parameters from CallableStatements. Implements tracing, and allows some tweaking of returned types. Parameters:   log - where to log to Parameters:   cs - the CallableStatement from which an out parameter is being retrieved Parameters:   index - index of the result column. Parameters:   jdbcType - a java.sql.Types constant used to determine themost appropriate way to extract the data from rs. Parameters:   destination - The class of the variable this is going into the value getParameterSetter public static JDBCParameterSetter getParameterSetter(int jdbcType, Class javaType)(Code) getResultReaderByType public static JDBCResultSetReader getResultReaderByType(Class destination)(Code) getResultSetReader public static JDBCResultSetReader getResultSetReader(int jdbcType, Class destination)(Code) safeClose public static void safeClose(Connection con)(Code) safeClose public static void safeClose(ResultSet rs)(Code) safeClose public static void safeClose(Statement statement)(Code) safeClose public static void safeClose(InputStream in)(Code) safeClose public static void safeClose(OutputStream out)(Code) safeClose public static void safeClose(Reader reader)(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)