public Reference() 
{

}

Create a reference.

 public Reference(String id) 
{
        setRefId(id);
}

Create a reference to a named ID.

Parameters:

id - the name of this reference

 public Reference(Project p,
    String id) 
{
        setRefId(id);
        setProject(p);
}

Create a reference to a named ID in a particular project.

Parameters:

p - the project this reference is associated with

id - the name of this reference

since: Ant - 1.6.3

 public Project getProject() 
{
        return project;
}

Get the associated project, if any; may be null.

 public String getRefId() 
{
        return refid;
}

Get the reference id of this reference.

 public Object getReferencedObject() throws BuildException 
{
        if (project == null) {
            throw new BuildException("No project set on reference to " + refid);
        }
        return getReferencedObject(project);
}

Resolve the reference, looking in the associated project.

 public Object getReferencedObject(Project fallback) throws BuildException 
{
        if (refid == null) {
            throw new BuildException("No reference specified");
        }
        Object o = project == null ? fallback.getReference(refid) : project.getReference(refid);
        if (o == null) {
            throw new BuildException("Reference " + refid + " not found.");
        }
        return o;
}

Resolve the reference, using the associated project if it set, otherwise use the passed in project.

 public  void setProject(Project p) 
{
        this.project = p;
}

Set the associated project. Should not normally be necessary; use Reference#Reference(Project,String) .

 public  void setRefId(String id) 
{
        refid = id;
}

Set the reference id. Should not normally be necessary; use Reference#Reference(Project, String) .