package com.erggroup.mass.ant;

import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.taskdefs.Property;

/**
 *
 */
public class Jats extends org.apache.tools.ant.Task
{
	static final String JatsHomeProperty = "${env.JATS_HOME}";

	public static final String JATS_PACKAGE_SCOPE = "${jats.package.project}";

	private String packageName = null;
	private File fromdir = null;
	private File todir   = null;
	private String includes = "**/*";
	private ArrayList elements = new ArrayList();
	private boolean verbose = true;

	public ManifestElement createManifest()
	{
		ManifestElement element = new ManifestElement();
		elements.add(element);
		return element;
	}

	public ReleaseElement createRelease()
	{
		ReleaseElement element = new ReleaseElement();
		elements.add(element);
		return element;
	}

	public SandboxElement createSandbox()
	{
		SandboxElement element = new SandboxElement();
		elements.add(element);
		return element;
	}

	public void execute() throws BuildException
	{
		if (todir == null)
		{
			File basedir = new File(project.replaceProperties("${basedir}"));
			todir = new File(basedir, "interface");
		}

		if (fromdir == null)
		{
			// Try to retrieve the JATS_HOME environment variable.
			//
			// <property name="env" environment="env" value="not used"/>
			// and then use ${env.JATS_HOME}
			//
			Property property = new Property();
			property.setProject(project);
			property.setTaskName(this.getTaskName());
			property.setName("env");
			property.setEnvironment("env");
			property.setValue("");
			property.perform();

			String jatsHome = project.replaceProperties(JatsHomeProperty);
			if (JatsHomeProperty.equals(jatsHome))
			{
				throw new BuildException("<" + this.getTaskName() + "> JATS_HOME environment variable not set");
			}
			else
			{
				fromdir = new File(jatsHome);
			}
		}

		Iterator i = elements.iterator();
		while (i.hasNext())
		{
			JatsElement element = (JatsElement)i.next();
			element.execute(this);
		}
	}

	public void setFromdir(File fromdir)
	{
		this.fromdir = fromdir;
	}

	public void setTodir(File todir)
	{
		this.todir = todir;
	}

	public File getFromdir()
	{
		return fromdir;
	}

	public File getTodir()
	{
		return todir;
	}

	public String getPackage()
	{
		if ( packageName != null && packageName.length() > 0 )
		{
			return packageName;
		}
		return project.getName();
	}

	public void setPackage( String value )
	{
		this.packageName = value;
	}

	public String getIncludes()
	{
		return includes;
	}

	public void setIncludes( String includes )
	{
		this.includes = includes;
	}


	public void setVerbose( String newValue )
	{
		this.verbose = !( "false".equalsIgnoreCase(newValue) );
	}

	public boolean isVerbose()
	{
		return verbose;
	}
}