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Java Source Code / Java Documentation » Build » ANT » org.apache.tools.ant.taskdefs 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.tools.ant.Task
   org.apache.tools.ant.taskdefs.JDBCTask

All known Subclasses:   org.apache.tools.ant.taskdefs.SQLExec,
JDBCTask
abstract public class JDBCTask extends Task (Code)
Handles JDBC configuration needed by SQL type tasks.

The following example class prints the contents of the first column of each row in TableName.

 package examples;
 import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.taskdefs.JDBCTask;
 public class SQLExampleTask extends JDBCTask {
 private String tableName;
 public void execute() throws BuildException {
 Connection conn = getConnection();
 Statement stmt=null;
 try {
 if (tableName == null) {
 throw new BuildException("TableName must be specified",location);
 }
 String sql = "SELECT * FROM "+tableName;
 stmt= conn.createStatement();
 ResultSet rs = stmt.executeQuery(sql);
 while (rs.next()) {
 log(rs.getObject(1).toString());
 }
 } catch (SQLException e) {
 } finally {
 if (stmt != null) {
 try {stmt.close();}catch (SQLException ingore) {}
 }
 if (conn != null) {
 try {conn.close();}catch (SQLException ingore) {}
 }
 }
 }
 public void setTableName(String tableName) {
 this.tableName = tableName;
 }
 }
 

since:
   Ant 1.5




Method Summary
public  PathcreateClasspath()
     Add a path to the classpath for loading the driver.
public  PathgetClasspath()
     Gets the classpath.
protected  ConnectiongetConnection()
     Creates a new Connection as using the driver, url, userid and password specified.
protected  AntClassLoadergetLoader()
     Get the classloader used to create a driver.
protected static  HashtablegetLoaderMap()
     Get the cache of loaders and drivers.
public  StringgetPassword()
     Gets the password.
public  StringgetRdbms()
     Gets the rdbms.
public  StringgetUrl()
     Gets the url.
public  StringgetUserId()
     Gets the userId.
public  StringgetVersion()
     Gets the version.
public  booleanisAutocommit()
     Gets the autocommit.
public  voidisCaching(boolean value)
     Set the caching attribute.
protected  booleanisValidRdbms(Connection conn)
    
public  voidsetAutocommit(boolean autocommit)
     Auto commit flag for database connection; optional, default false.
public  voidsetCaching(boolean enable)
     Caching loaders / driver.
public  voidsetClasspath(Path classpath)
     Sets the classpath for loading the driver.
public  voidsetClasspathRef(Reference r)
     Set the classpath for loading the driver using the classpath reference.
public  voidsetDriver(String driver)
     Class name of the JDBC driver; required.
public  voidsetPassword(String password)
     Sets the password; required.
public  voidsetRdbms(String rdbms)
    
public  voidsetUrl(String url)
     Sets the database connection URL; required.
public  voidsetUserid(String userId)
     Set the user name for the connection; required.
public  voidsetVersion(String version)
     Sets the version string, execute task only if rdbms version match; optional.



Method Detail
createClasspath
public Path createClasspath()(Code)
Add a path to the classpath for loading the driver. a path to be configured



getClasspath
public Path getClasspath()(Code)
Gets the classpath. Returns a Path



getConnection
protected Connection getConnection() throws BuildException(Code)
Creates a new Connection as using the driver, url, userid and password specified. The calling method is responsible for closing the connection. Connection the newly created connection.
throws:
  BuildException - if the UserId/Password/Url is not set or thereis no suitable driver or the driver fails to load.



getLoader
protected AntClassLoader getLoader()(Code)
Get the classloader used to create a driver. the classloader



getLoaderMap
protected static Hashtable getLoaderMap()(Code)
Get the cache of loaders and drivers. a hashtable



getPassword
public String getPassword()(Code)
Gets the password. Returns a String



getRdbms
public String getRdbms()(Code)
Gets the rdbms. Returns a String



getUrl
public String getUrl()(Code)
Gets the url. Returns a String



getUserId
public String getUserId()(Code)
Gets the userId. Returns a String



getVersion
public String getVersion()(Code)
Gets the version. Returns a String



isAutocommit
public boolean isAutocommit()(Code)
Gets the autocommit. Returns a boolean



isCaching
public void isCaching(boolean value)(Code)
Set the caching attribute.
Parameters:
  value - a boolean value



isValidRdbms
protected boolean isValidRdbms(Connection conn)(Code)
Verify we are connected to the correct RDBMS
Parameters:
  conn - the jdbc connection true if we are connected to the correct RDBMS



setAutocommit
public void setAutocommit(boolean autocommit)(Code)
Auto commit flag for database connection; optional, default false.
Parameters:
  autocommit - The autocommit to set



setCaching
public void setCaching(boolean enable)(Code)
Caching loaders / driver. This is to avoid getting an OutOfMemoryError when calling this task multiple times in a row; default: true
Parameters:
  enable - a boolean value



setClasspath
public void setClasspath(Path classpath)(Code)
Sets the classpath for loading the driver.
Parameters:
  classpath - The classpath to set



setClasspathRef
public void setClasspathRef(Reference r)(Code)
Set the classpath for loading the driver using the classpath reference.
Parameters:
  r - a reference to a classpath



setDriver
public void setDriver(String driver)(Code)
Class name of the JDBC driver; required.
Parameters:
  driver - The driver to set



setPassword
public void setPassword(String password)(Code)
Sets the password; required.
Parameters:
  password - The password to set



setRdbms
public void setRdbms(String rdbms)(Code)
Execute task only if the lower case product name of the DB matches this
Parameters:
  rdbms - The rdbms to set



setUrl
public void setUrl(String url)(Code)
Sets the database connection URL; required.
Parameters:
  url - The url to set



setUserid
public void setUserid(String userId)(Code)
Set the user name for the connection; required.
Parameters:
  userId - The userId to set



setVersion
public void setVersion(String version)(Code)
Sets the version string, execute task only if rdbms version match; optional.
Parameters:
  version - The version to set



Fields inherited from org.apache.tools.ant.Task
protected Target target(Code)(Java Doc)
protected String taskName(Code)(Java Doc)
protected String taskType(Code)(Java Doc)
protected RuntimeConfigurable wrapper(Code)(Java Doc)

Methods inherited from org.apache.tools.ant.Task
final public void bindToOwner(Task owner)(Code)(Java Doc)
public void execute() throws BuildException(Code)(Java Doc)
public Target getOwningTarget()(Code)(Java Doc)
public RuntimeConfigurable getRuntimeConfigurableWrapper()(Code)(Java Doc)
public String getTaskName()(Code)(Java Doc)
public String getTaskType()(Code)(Java Doc)
protected RuntimeConfigurable getWrapper()(Code)(Java Doc)
protected void handleErrorFlush(String output)(Code)(Java Doc)
protected void handleErrorOutput(String output)(Code)(Java Doc)
protected void handleFlush(String output)(Code)(Java Doc)
protected int handleInput(byte[] buffer, int offset, int length) throws IOException(Code)(Java Doc)
protected void handleOutput(String output)(Code)(Java Doc)
public void init() throws BuildException(Code)(Java Doc)
final protected boolean isInvalid()(Code)(Java Doc)
public void log(String msg)(Code)(Java Doc)
public void log(String msg, int msgLevel)(Code)(Java Doc)
public void log(Throwable t, int msgLevel)(Code)(Java Doc)
public void log(String msg, Throwable t, int msgLevel)(Code)(Java Doc)
public void maybeConfigure() throws BuildException(Code)(Java Doc)
final public void perform()(Code)(Java Doc)
public void reconfigure()(Code)(Java Doc)
public void setOwningTarget(Target target)(Code)(Java Doc)
public void setRuntimeConfigurableWrapper(RuntimeConfigurable wrapper)(Code)(Java Doc)
public void setTaskName(String name)(Code)(Java Doc)
public void setTaskType(String type)(Code)(Java Doc)

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