Class ProjectHelperRepository

java.lang.Object
org.apache.tools.ant.ProjectHelperRepository

public class ProjectHelperRepository extends Object
Repository of ProjectHelper found in the classpath or via some System properties.

See the ProjectHelper documentation in the manual.

Since:
Ant 1.8.0
  • Method Details

    • getInstance

      public static ProjectHelperRepository getInstance()
    • registerProjectHelper

      public void registerProjectHelper(String helperClassName) throws BuildException
      Register the specified project helper into the repository.

      The helper will be added after all the already registered helpers, but before the default one (ProjectHelper2)

      Parameters:
      helperClassName - the fully qualified name of the helper
      Throws:
      BuildException - if the class cannot be loaded or if there is no constructor with no argument
      Since:
      Ant 1.8.2
    • registerProjectHelper

      public void registerProjectHelper(Class<? extends ProjectHelper> helperClass) throws BuildException
      Register the specified project helper into the repository.

      The helper will be added after all the already registered helpers, but before the default one (ProjectHelper2)

      Parameters:
      helperClass - the class of the helper
      Throws:
      BuildException - if there is no constructor with no argument
      Since:
      Ant 1.8.2
    • getProjectHelperForBuildFile

      public ProjectHelper getProjectHelperForBuildFile(Resource buildFile) throws BuildException
      Get the helper that will be able to parse the specified build file. The helper will be chosen among the ones found in the classpath
      Parameters:
      buildFile - Resource
      Returns:
      the first ProjectHelper that fit the requirement (never null).
      Throws:
      BuildException
    • getProjectHelperForAntlib

      public ProjectHelper getProjectHelperForAntlib(Resource antlib) throws BuildException
      Get the helper that will be able to parse the specified antlib. The helper will be chosen among the ones found in the classpath
      Parameters:
      antlib - Resource
      Returns:
      the first ProjectHelper that fit the requirement (never null).
      Throws:
      BuildException
    • getHelpers

      public Iterator<ProjectHelper> getHelpers()
      Get an iterator on the list of project helpers configured. The iterator will always return at least one element as there will always be the default project helper configured.
      Returns:
      an iterator of ProjectHelper