package org.andromda.core.configuration;
import java.io.Serializable;
import java.net.URL;
import java.util.List;
import java.util.ListIterator;
import org.andromda.core.common.ResourceUtils;
/**
* Represents a location within a module search or mappings search.
* @author Chad Brandon
*/
public class Location
implements Serializable
{
/**
* The path of the location.
*/
private String path;
/**
* The patterns (a comma seperated list) to
* include in the path search
*/
private String patterns;
/**
* Gets the path to this location.
*
* @return Returns the path to this location.
*/
public String getPath()
{
return path;
}
/**
* Sets the path to this location.
*
* @param path The path to this location.
*/
public void setPath(String path)
{
this.path = path;
}
/**
* Gets the patterns to include in this location.
*
* @return Returns the patterns.
*/
public String getPatterns()
{
return patterns;
}
/**
* Sets the patterns to include in this location.
*
* @param patterns The patterns to set.
*/
public void setPatterns(String patterns)
{
this.patterns = patterns;
}
/**
* Gets all files that are valid for this location. It takes into
* consideration the given patterns. If the location is an actual
* file, the an array containing that single file is returned.
*
* @return the valid files.
*/
public URL[] getResources()
{
URL[] resources;
final URL url = ResourceUtils.toURL(this.path);
if (url != null)
{
if (ResourceUtils.isFile(url))
{
resources = new URL[] {url};
}
else
{
String[] patterns = this.patterns != null ? this.patterns.split(PATTERN_DELIMITER) : new String[0];
final List paths = ResourceUtils.getDirectoryContents(
url,
true,
patterns);
for (final ListIterator iterator = paths.listIterator(); iterator.hasNext();)
{
final URL resource = ResourceUtils.toURL((String)iterator.next());
if (resource != null)
{
iterator.set(resource);
}
else
{
iterator.remove();
}
}
resources = (URL[])paths.toArray(new URL[0]);
}
}
else
{
resources = new URL[0];
}
return resources;
}
/**
* The delimiter for seperating location patterns.
*/
private static final String PATTERN_DELIMITER = ",";
}