package org.ssdt_ohio.tools.ant;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Target;
import org.apache.tools.ant.Task;

/** @author smith */
public class AddDependencyTask extends Task {

  
    private String target;
    private String depends;

    @Override
    public void execute() throws BuildException {
        if (target == null) {
            throw new BuildException("target attribute is required");
        }
        if (depends == null) {
            throw new BuildException("depends attribute is required");
        }

        Target t = (Target) getProject().getTargets().get(target);

        if (t.dependsOn(depends)) {
            log(target +" already depends on " + depends, Project.MSG_VERBOSE);
        } else {
            log("Adding \"" + depends + "\" dependency to \"" + target + "\"", Project.MSG_VERBOSE);

            t.addDependency(depends);
        }
    }

    public void setTarget(String target) {
        this.target = target;
    }

    public void setDepends(String depends) {
        this.depends = depends;
    }
}