/*
* @(#)StandardLocation.java 1.2 06/06/25
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.tools;
import javax.tools.JavaFileManager.Location;
import java.io.File;
import java.util.*;
import java.util.concurrent.*;
/**
* Standard locations of file objects.
*
* @author Peter von der Ahé
* @since 1.6
*/
public enum StandardLocation implements Location {
/**
* Location of new class files.
*/
CLASS_OUTPUT,
/**
* Location of new source files.
*/
SOURCE_OUTPUT,
/**
* Location to search for user class files.
*/
CLASS_PATH,
/**
* Location to search for existing source files.
*/
SOURCE_PATH,
/**
* Location to search for annotation processors.
*/
ANNOTATION_PROCESSOR_PATH,
/**
* Location to search for platform classes. Sometimes called
* the boot class path.
*/
PLATFORM_CLASS_PATH;
/**
* Gets a location object with the given name. The following
* property must hold: {@code locationFor(x) ==
* locationFor(y)} if and only if {@code x.equals(y)}.
* The returned location will be an output location if and only if
* name ends with {@code "_OUTPUT"}.
*
* @param name a name
* @return a location
*/
public static Location locationFor(final String name) {
if (locations.isEmpty()) {
// can't use valueOf which throws IllegalArgumentException
for (Location location : values())
locations.putIfAbsent(location.getName(), location);
}
locations.putIfAbsent(name.toString(/* null-check */), new Location() {
public String getName() { return name; }
public boolean isOutputLocation() { return name.endsWith("_OUTPUT"); }
});
return locations.get(name);
}
//where
private static ConcurrentMap<String,Location> locations
= new ConcurrentHashMap<String,Location>();
public String getName() { return name(); }
public boolean isOutputLocation() {
return this == CLASS_OUTPUT || this == SOURCE_OUTPUT;
}
}