## org.apache.tools.ant.taskdefs.optional.depend
Class Depend

    java.lang.Object
      |
      +--org.apache.tools.ant.ProjectComponent
            |
            +--org.apache.tools.ant.Task
                  |
                  +--org.apache.tools.ant.taskdefs.MatchingTask
                        |
                        +--org.apache.tools.ant.taskdefs.optional.depend.Depend

All Implemented Interfaces:
  SelectorContainer

public class Depend
extends MatchingTask

Generates a dependency file for a given set of classes.

Author:
  Conor MacNeill

Field Summary

Fields inherited from class org.apache.tools.ant.taskdefs.MatchingTask
`fileset`

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
`Depend()`

Method Summary
`Path` `createClasspath()` Adds a classpath to be used for this dependency check.
`void` `execute()` Does the work.
`Path` `getClasspath()` Gets the classpath to be used for this dependency check.
`protected void` `scanDir(java.io.File srcDir, java.lang.String[] files)` Scans the directory looking for source files that are newer than their class files.
`void` `setCache(java.io.File cache)` Sets the dependency cache file.
`void` `setClasspath(Path classpath)` Set the classpath to be used for this dependency check.
`void` `setClasspathRef(Reference r)` Adds a reference to a classpath defined elsewhere.
`void` `setClosure(boolean closure)` If true, transitive dependencies are followed until the closure of the dependency set if reached.
`void` `setDestDir(Path destPath)` Set the destination directory where the compiled Java files exist.
`void` `setDump(boolean dump)` If true, the dependency information will be written to the debug level log.
`void` `setSrcdir(Path srcPath)` Set the directories path to find the Java source files.

Methods inherited from class org.apache.tools.ant.taskdefs.MatchingTask

`add, addAnd, addContains, addContainsRegexp, addCustom, addDate, addDepend, addDepth, addDifferent, addFilename, addMajority, addModified, addNone, addNot, addOr, addPresent, addSelector, addSize, addType, appendSelector, createExclude, createExcludesFile, createInclude, createIncludesFile, createPatternSet, getDirectoryScanner, getImplicitFileSet, getSelectors, hasSelectors, selectorCount, selectorElements, setCaseSensitive, setDefaultexcludes, setExcludes, setExcludesfile, setFollowSymlinks, setIncludes, setIncludesfile, setProject, XsetIgnore, XsetItems`

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`

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

Constructor Detail

### Depend

    public Depend()

Method Detail

### setClasspath

    public void setClasspath(Path classpath)

  Set the classpath to be used for this dependency check.

  Parameters:
    `classpath` - the classpath to be used when checking for dependencies on elements in the classpath

### getClasspath

    public Path getClasspath()

  Gets the classpath to be used for this dependency check.

  Returns:
    the current dependency classpath

### createClasspath

    public Path createClasspath()

  Adds a classpath to be used for this dependency check.

  Returns:
    A path object to be configured by Ant

### setClasspathRef

    public void setClasspathRef(Reference r)

  Adds a reference to a classpath defined elsewhere.

  Parameters:
    `r` - a reference to a path object to be used as the depend classpath

### execute

    public void execute()
                 throws BuildException

  Does the work.

  Overrides:
    `execute` in class `Task`
  Throws:
    `BuildException` - Thrown in case of an unrecoverable error.

### scanDir

    protected void scanDir(java.io.File srcDir,
                           java.lang.String[] files)

  Scans the directory looking for source files that are newer than their class files. The results are returned in the class variable compileList

  Parameters:
    `srcDir` - the source directory
    `files` - the names of the files in the source dir which are to be checked.

### setSrcdir

    public void setSrcdir(Path srcPath)

  Set the directories path to find the Java source files.

  Parameters:
    `srcPath` - the source path

### setDestDir

    public void setDestDir(Path destPath)

  Set the destination directory where the compiled Java files exist.

  Parameters:
    `destPath` - the destination areas where build files are written

### setCache

    public void setCache(java.io.File cache)

  Sets the dependency cache file.

  Parameters:
    `cache` - the dependency cache file

### setClosure

    public void setClosure(boolean closure)

  If true, transitive dependencies are followed until the closure of the dependency set if reached. When not set, the depend task will only follow direct dependencies between classes.

  Parameters:
    `closure` - indicate if dependency closure is required.

### setDump

    public void setDump(boolean dump)

  If true, the dependency information will be written to the debug level log.

  Parameters:
    `dump` - set to true to dump dependency information to the log

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