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## org.apache.tools.ant.taskdefs
Class AbstractCvsTask

    java.lang.Object
      |
      +--org.apache.tools.ant.ProjectComponent
            |
            +--org.apache.tools.ant.Task
                  |
                  +--org.apache.tools.ant.taskdefs.AbstractCvsTask

Direct Known Subclasses:
  ChangeLogTask, Cvs, CvsTagDiff, CvsVersion

public abstract class AbstractCvsTask
extends Task

original Cvs.java 1.20 NOTE: This implementation has been moved here from Cvs.java with the addition of some accessors for extensibility. Another task can extend this with some customized output processing.

Since:
  Ant 1.5

Field Summary
`static int` | `DEFAULT_COMPRESSION_LEVEL` Default compression level to use, if compression is enabled via setCompression( true ).

Fields inherited from class org.apache.tools.ant.Task
`description, location, target, taskName, taskType, wrapper`

Fields inherited from class org.apache.tools.ant.ProjectComponent
`project`

Constructor Summary
`AbstractCvsTask()` empty no-arg constructor

Method Summary
`void` | `addCommandArgument(Commandline c, java.lang.String arg)` This method adds a command line argument to an external command.
`void` | `addCommandArgument(java.lang.String arg)` This needs to be public to allow configuration of commands externally.
`void` | `addConfiguredCommandline(Commandline c)` Adds direct command-line to execute.
`void` | `addConfiguredCommandline(Commandline c, boolean insertAtStart)` Configures and adds the given Commandline.
`protected void` | `configureCommandline(Commandline c)` Configure a commandline element for things like cvsRoot, quiet, etc.
`void` | `execute()` do the work
`java.lang.String` | `getCommand()` accessor to a command line as string This should be deprecated AntoineLL July 23d 2003
`java.lang.String` | `getCvsRoot()` access the CVSROOT variable
`java.lang.String` | `getCvsRsh()` access the CVS_RSH variable
`java.io.File` | `getDest()` get the file where the checked out files should be placed
`protected java.io.OutputStream` | `getErrorStream()` access the stream to which the stderr from cvs should go if this stream has already been set, it will be returned if the stream has not yet been set, if the attribute error has been set, the output stream will go to the file denoted by the error attribute otherwise the stderr output will go to ant's logging system
`protected ExecuteStreamHandler` | `getExecuteStreamHandler()` find the handler and instantiate it if it does not exist yet
`protected java.io.OutputStream` | `getOutputStream()` access the stream to which the stdout from cvs should go if this stream has already been set, it will be returned if the stream has not yet been set, if the attribute output has been set, the output stream will go to the output file otherwise the output will go to ant's logging system
`java.lang.String` | `getPackage()` access the package or module to operate upon
`java.io.File` | `getPassFile()` find the password file
`int` | `getPort()` access the port of CVS
`java.lang.String` | `getTag()` tag or branch
`protected void` | `removeCommandline(Commandline c)` remove a particular command from a vector of command lines
`protected void` | `runCommand(Commandline toExecute)` Sets up the environment for toExecute and then runs it.
`void` | `setAppend(boolean value)` Whether to append output/error when redirecting to a file.
`void` | `setCommand(java.lang.String c)` The CVS command to execute.
`void` | `setCompression(boolean usecomp)` If true, this is the same as compressionlevel="3".
`void` | `setCompressionLevel(int level)` If set to a value 1-9 it adds -zN to the cvs command line, else it disables compression.
`void` | `setCvsRoot(java.lang.String root)` The CVSROOT variable.
`void` | `setCvsRsh(java.lang.String rsh)` The CVS_RSH variable.
`void` | `setDate(java.lang.String p)` Use the most recent revision no later than the given date.
`void` | `setDest(java.io.File dest)` The directory where the checked out files should be placed.
`void` | `setError(java.io.File error)` The file to direct standard error from the command.
`protected void` | `setErrorStream(java.io.OutputStream errorStream)` sets a stream to which the stderr from the cvs exe should go
`void` | `setExecuteStreamHandler(ExecuteStreamHandler handler)` sets the handler
`void` | `setFailOnError(boolean failOnError)` Stop the build process if the command exits with a return code other than 0.
`void` | `setNoexec(boolean ne)` If true, report only and don't change any files.
`void` | `setOutput(java.io.File output)` The file to direct standard output from the command.
`protected void` | `setOutputStream(java.io.OutputStream outputStream)` sets a stream to which the output from the cvs executable should be sent
`void` | `setPackage(java.lang.String p)` The package/module to operate upon.
`void` | `setPassfile(java.io.File passFile)` Password file to read passwords from.
`void` | `setPort(int port)` Port used by CVS to communicate with the server.
`void` | `setQuiet(boolean q)` If true, suppress informational messages.
`void` | `setReallyquiet(boolean q)` If true, suppress all messages.
`void` | `setTag(java.lang.String p)` The tag of the package/module to operate upon.

Methods inherited from class org.apache.tools.ant.Task
`getDescription, getLocation, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, getTaskType, getWrapper, handleErrorFlush, handleErrorOutput, handleFlush, handleInput, handleOutput, init, isInvalid, log, log, maybeConfigure, perform, reconfigure, setDescription, setLocation, setOwningTarget, setRuntimeConfigurableWrapper, setTaskName, setTaskType`

Methods inherited from class org.apache.tools.ant.ProjectComponent
`getProject, setProject`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### DEFAULT_COMPRESSION_LEVEL

    public static final int DEFAULT_COMPRESSION_LEVEL

  Default compression level to use, if compression is enabled via setCompression( true ).

  See Also:
    Constant Field Values

Constructor Detail

### AbstractCvsTask

    public AbstractCvsTask()

  empty no-arg constructor

Method Detail

### setExecuteStreamHandler

    public void setExecuteStreamHandler(ExecuteStreamHandler handler)

  sets the handler

  Parameters:
    `handler` - a handler able of processing the output and error streams from the cvs exe

### getExecuteStreamHandler

    protected ExecuteStreamHandler getExecuteStreamHandler()

  find the handler and instantiate it if it does not exist yet

  Returns:
    handler for output and error streams

### setOutputStream

    protected void setOutputStream(java.io.OutputStream outputStream)

  sets a stream to which the output from the cvs executable should be sent

  Parameters:
    `outputStream` - stream to which the stdout from cvs should go

### getOutputStream

    protected java.io.OutputStream getOutputStream()

  access the stream to which the stdout from cvs should go if this stream has already been set, it will be returned if the stream has not yet been set, if the attribute output has been set, the output stream will go to the output file otherwise the output will go to ant's logging system

  Returns:
    output stream to which cvs' stdout should go to

### setErrorStream

    protected void setErrorStream(java.io.OutputStream errorStream)

  sets a stream to which the stderr from the cvs exe should go

  Parameters:
    `errorStream` - an output stream willing to process stderr

### getErrorStream

    protected java.io.OutputStream getErrorStream()

  access the stream to which the stderr from cvs should go if this stream has already been set, it will be returned if the stream has not yet been set, if the attribute error has been set, the output stream will go to the file denoted by the error attribute otherwise the stderr output will go to ant's logging system

  Returns:
    output stream to which cvs' stderr should go to

### runCommand

    protected void runCommand(Commandline toExecute)
                       throws BuildException

  Sets up the environment for toExecute and then runs it.

  Parameters:
    `toExecute` - the command line to execute
  Throws:
    `BuildException` - if failonError is set to true and the cvs command fails

### execute

    public void execute()
                 throws BuildException

  do the work

  Overrides:
    `execute` in class `Task`
  Throws:
    `BuildException` - if failonerror is set to true and the cvs command fails.

### setCvsRoot

    public void setCvsRoot(java.lang.String root)

  The CVSROOT variable.

  Parameters:
    `root` - the CVSROOT variable

### getCvsRoot

    public java.lang.String getCvsRoot()

  access the CVSROOT variable

  Returns:
    CVSROOT

### setCvsRsh

    public void setCvsRsh(java.lang.String rsh)

  The CVS_RSH variable.

  Parameters:
    `rsh` - the CVS_RSH variable

### getCvsRsh

    public java.lang.String getCvsRsh()

  access the CVS_RSH variable

  Returns:
    the CVS_RSH variable

### setPort

    public void setPort(int port)

  Port used by CVS to communicate with the server.

  Parameters:
    `port` - port of CVS

### getPort

    public int getPort()

  access the port of CVS

  Returns:
    the port of CVS

### setPassfile

    public void setPassfile(java.io.File passFile)

  Password file to read passwords from.

  Parameters:
    `passFile` - password file to read passwords from

### getPassFile

    public java.io.File getPassFile()

  find the password file

  Returns:
    password file

### setDest

    public void setDest(java.io.File dest)

  The directory where the checked out files should be placed.

  Note that this is different from CVS's -d command line switch as Ant will never shorten pathnames to avoid empty directories.

  Parameters:
    `dest` - directory where the checked out files should be placed

### getDest

    public java.io.File getDest()

  get the file where the checked out files should be placed

  Returns:
    directory where the checked out files should be placed

### setPackage

    public void setPackage(java.lang.String p)

  The package/module to operate upon.

  Parameters:
    `p` - package or module to operate upon

### getPackage

    public java.lang.String getPackage()

  access the package or module to operate upon

  Returns:
    package/module

### getTag

    public java.lang.String getTag()

  tag or branch

  Returns:
    tag or branch
  Since:
    ant 1.6.1

### setTag

    public void setTag(java.lang.String p)

  The tag of the package/module to operate upon.

  Parameters:
    `p` - tag

### addCommandArgument

    public void addCommandArgument(java.lang.String arg)

  This needs to be public to allow configuration of commands externally.

  Parameters:
    `arg` - command argument

### addCommandArgument

    public void addCommandArgument(Commandline c,
                                   java.lang.String arg)

  This method adds a command line argument to an external command. I do not understand what this method does in this class ??? particularly not why it is public ???? AntoineLL July 23d 2003

  Parameters:
    `c` - command line to which one argument should be added
    `arg` - argument to add

### setDate

    public void setDate(java.lang.String p)

  Use the most recent revision no later than the given date.

  Parameters:
    `p` - a date as string in a format that the CVS executable can understand see man cvs

### setCommand

    public void setCommand(java.lang.String c)

  The CVS command to execute. This should be deprecated, it is better to use the Commandline class ? AntoineLL July 23d 2003

  Parameters:
    `c` - a command as string

### getCommand

    public java.lang.String getCommand()

  accessor to a command line as string This should be deprecated AntoineLL July 23d 2003

  Returns:
    command line as string

### setQuiet

    public void setQuiet(boolean q)

  If true, suppress informational messages.

  Parameters:
    `q` - if true, suppress informational messages

### setReallyquiet

    public void setReallyquiet(boolean q)

  If true, suppress all messages.

  Parameters:
    `q` - if true, suppress all messages
  Since:
    Ant 1.6

### setNoexec

    public void setNoexec(boolean ne)

  If true, report only and don't change any files.

  Parameters:
    `ne` - if true, report only and do not change any files.

### setOutput

    public void setOutput(java.io.File output)

  The file to direct standard output from the command.

  Parameters:
    `output` - a file to which stdout should go

### setError

    public void setError(java.io.File error)

  The file to direct standard error from the command.

  Parameters:
    `error` - a file to which stderr should go

### setAppend

    public void setAppend(boolean value)

  Whether to append output/error when redirecting to a file.

  Parameters:
    `value` - true indicated you want to append

### setFailOnError

    public void setFailOnError(boolean failOnError)

  Stop the build process if the command exits with a return code other than 0. Defaults to false.

  Parameters:
    `failOnError` - stop the build process if the command exits with a return code other than 0

### configureCommandline

    protected void configureCommandline(Commandline c)

  Configure a commandline element for things like cvsRoot, quiet, etc.

  Parameters:
    `c` - the command line which will be configured if the commandline is initially null, the function is a noop otherwise the function append to the commandline arguments concerning
    - cvs package
    - compression
    - quiet or reallyquiet
    - cvsroot
    - noexec

### removeCommandline

    protected void removeCommandline(Commandline c)

  remove a particular command from a vector of command lines

  Parameters:
    `c` - command line which should be removed

### addConfiguredCommandline

    public void addConfiguredCommandline(Commandline c)

  Adds direct command-line to execute.

  Parameters:
    `c` - command line to execute

### addConfiguredCommandline

    public void addConfiguredCommandline(Commandline c,
                                         boolean insertAtStart)

  Configures and adds the given Commandline.

  Parameters:
    `c` - commandline to insert
    `insertAtStart` - If true, c is inserted at the beginning of the vector of command lines

### setCompressionLevel

    public void setCompressionLevel(int level)

  If set to a value 1-9 it adds -zN to the cvs command line, else it disables compression.

  Parameters:
    `level` - compression level 1 to 9

### setCompression

    public void setCompression(boolean usecomp)

  If true, this is the same as compressionlevel="3".

  Parameters:
    `usecomp` - If true, turns on compression using default level, AbstractCvsTask.DEFAULT_COMPRESSION_LEVEL.

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