src/share/classes/javax/tools/StandardLocation.java

changeset 0
959103a6100f
child 2525
2eb010b6cb22
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/classes/javax/tools/StandardLocation.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,115 @@
     1.4 +/*
     1.5 + * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +package javax.tools;
    1.30 +
    1.31 +import javax.tools.JavaFileManager.Location;
    1.32 +
    1.33 +import java.util.concurrent.*;
    1.34 +
    1.35 +/**
    1.36 + * Standard locations of file objects.
    1.37 + *
    1.38 + * @author Peter von der Ahé
    1.39 + * @since 1.6
    1.40 + */
    1.41 +public enum StandardLocation implements Location {
    1.42 +
    1.43 +    /**
    1.44 +     * Location of new class files.
    1.45 +     */
    1.46 +    CLASS_OUTPUT,
    1.47 +
    1.48 +    /**
    1.49 +     * Location of new source files.
    1.50 +     */
    1.51 +    SOURCE_OUTPUT,
    1.52 +
    1.53 +    /**
    1.54 +     * Location to search for user class files.
    1.55 +     */
    1.56 +    CLASS_PATH,
    1.57 +
    1.58 +    /**
    1.59 +     * Location to search for existing source files.
    1.60 +     */
    1.61 +    SOURCE_PATH,
    1.62 +
    1.63 +    /**
    1.64 +     * Location to search for annotation processors.
    1.65 +     */
    1.66 +    ANNOTATION_PROCESSOR_PATH,
    1.67 +
    1.68 +    /**
    1.69 +     * Location to search for platform classes.  Sometimes called
    1.70 +     * the boot class path.
    1.71 +     */
    1.72 +    PLATFORM_CLASS_PATH,
    1.73 +
    1.74 +    /**
    1.75 +     * Location of new native header files.
    1.76 +     * @since 1.8
    1.77 +     */
    1.78 +    NATIVE_HEADER_OUTPUT;
    1.79 +
    1.80 +    /**
    1.81 +     * Gets a location object with the given name.  The following
    1.82 +     * property must hold: {@code locationFor(x) ==
    1.83 +     * locationFor(y)} if and only if {@code x.equals(y)}.
    1.84 +     * The returned location will be an output location if and only if
    1.85 +     * name ends with {@code "_OUTPUT"}.
    1.86 +     *
    1.87 +     * @param name a name
    1.88 +     * @return a location
    1.89 +     */
    1.90 +    public static Location locationFor(final String name) {
    1.91 +        if (locations.isEmpty()) {
    1.92 +            // can't use valueOf which throws IllegalArgumentException
    1.93 +            for (Location location : values())
    1.94 +                locations.putIfAbsent(location.getName(), location);
    1.95 +        }
    1.96 +        locations.putIfAbsent(name.toString(/* null-check */), new Location() {
    1.97 +                public String getName() { return name; }
    1.98 +                public boolean isOutputLocation() { return name.endsWith("_OUTPUT"); }
    1.99 +            });
   1.100 +        return locations.get(name);
   1.101 +    }
   1.102 +    //where
   1.103 +        private static final ConcurrentMap<String,Location> locations
   1.104 +            = new ConcurrentHashMap<String,Location>();
   1.105 +
   1.106 +    public String getName() { return name(); }
   1.107 +
   1.108 +    public boolean isOutputLocation() {
   1.109 +        switch (this) {
   1.110 +            case CLASS_OUTPUT:
   1.111 +            case SOURCE_OUTPUT:
   1.112 +            case NATIVE_HEADER_OUTPUT:
   1.113 +                return true;
   1.114 +            default:
   1.115 +                return false;
   1.116 +        }
   1.117 +    }
   1.118 +}

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