/*
* Copyright (c) 2006, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package javax.tools;
import javax.tools.JavaFileManager.Location;
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 modules containing annotation processors.
* @spec JPMS
* @since 9
*/
ANNOTATION_PROCESSOR_MODULE_PATH,
/**
* Location to search for platform classes. Sometimes called
* the boot class path.
*/
PLATFORM_CLASS_PATH,
/**
* Location of new native header files.
* @since 1.8
*/
NATIVE_HEADER_OUTPUT,
/**
* Location to search for the source code of modules.
* @spec JPMS
* @since 9
*/
MODULE_SOURCE_PATH,
/**
* Location to search for upgradeable system modules.
* @spec JPMS
* @since 9
*/
UPGRADE_MODULE_PATH,
/**
* Location to search for system modules.
* @spec JPMS
* @since 9
*/
SYSTEM_MODULES,
/**
* Location to search for precompiled user modules.
* @spec JPMS
* @since 9
*/
MODULE_PATH,
/**
* Location to search for module patches.
* @spec JPMS
* @since 9
*/
PATCH_MODULE_PATH;
/**
* Returns 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"}. It will be considered to
* be a module-oriented location if the name contains the word
* {@code "MODULE"}.
*
* @param name a name
* @return a location
*
* @revised 9
* @spec JPMS
*/
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);
}
name.getClass(); /* null-check */
locations.putIfAbsent(name, new Location() {
@Override
public String getName() { return name; }
@Override
public boolean isOutputLocation() { return name.endsWith("_OUTPUT"); }
});
return locations.get(name);
}
//where
private static final ConcurrentMap<String,Location> locations
= new ConcurrentHashMap<>();
@Override
public String getName() { return name(); }
@Override
public boolean isOutputLocation() {
switch (this) {
case CLASS_OUTPUT:
case SOURCE_OUTPUT:
case NATIVE_HEADER_OUTPUT:
return true;
default:
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