jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/file/RelativePath.java@71f35e4b93a5 (annotated)

src/share/classes/com/sun/tools/javac/file/RelativePath.java@71f35e4b93a5 (annotated)

src/share/classes/com/sun/tools/javac/file/RelativePath.java

Wed, 23 Jan 2013 13:27:24 -0800

author: jjg
date: Wed, 23 Jan 2013 13:27:24 -0800
changeset 1521: 71f35e4b93a5
parent 581: f2fdd52e4e87
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

8006775: JSR 308: Compiler changes in JDK8
Reviewed-by: jjg
Contributed-by: mernst@cs.washington.edu, wmdietl@cs.washington.edu, mpapi@csail.mit.edu, mahmood@notnoop.com

 /*
  * Copyright (c) 2008, 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
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.javac.file;
 import java.io.File;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 import javax.tools.JavaFileObject;
 /**
  * Used to represent a platform-neutral path within a platform-specific
  * container, such as a directory or zip file.
  * Internally, the file separator is always '/'.
  *
  * <p><b>This is NOT part of any supported API.
  * If you write code that depends on this, you do so at your own risk.
  * This code and its internal interfaces are subject to change or
  * deletion without notice.</b>
  */
 public abstract class RelativePath implements Comparable<RelativePath> {
     /**
      * @param p must use '/' as an internal separator
      */
     protected RelativePath(String p) {
         path = p;
     }
     public abstract RelativeDirectory dirname();
     public abstract String basename();
     public File getFile(File directory) {
         if (path.length() == 0)
             return directory;
         return new File(directory, path.replace('/', File.separatorChar));
     }
     public int compareTo(RelativePath other) {
         return path.compareTo(other.path);
     }
     @Override
     public boolean equals(Object other) {
         if (!(other instanceof RelativePath))
             return false;
          return path.equals(((RelativePath) other).path);
     }
     @Override
     public int hashCode() {
         return path.hashCode();
     }
     @Override
     public String toString() {
         return "RelPath[" + path + "]";
     }
     public String getPath() {
         return path;
     }
     protected final String path;
     /**
      * Used to represent a platform-neutral subdirectory within a platform-specific
      * container, such as a directory or zip file.
      * Internally, the file separator is always '/', and if the path is not empty,
      * it always ends in a '/' as well.
      */
     public static class RelativeDirectory extends RelativePath {
         static RelativeDirectory forPackage(CharSequence packageName) {
             return new RelativeDirectory(packageName.toString().replace('.', '/'));
         }
         /**
          * @param p must use '/' as an internal separator
          */
         public RelativeDirectory(String p) {
             super(p.length() == 0 || p.endsWith("/") ? p : p + "/");
         }
         /**
          * @param p must use '/' as an internal separator
          */
         public RelativeDirectory(RelativeDirectory d, String p) {
             this(d.path + p);
         }
         @Override
         public RelativeDirectory dirname() {
             int l = path.length();
             if (l == 0)
                 return this;
             int sep = path.lastIndexOf('/', l - 2);
             return new RelativeDirectory(path.substring(0, sep + 1));
         }
         @Override
         public String basename() {
             int l = path.length();
             if (l == 0)
                 return path;
             int sep = path.lastIndexOf('/', l - 2);
             return path.substring(sep + 1, l - 1);
         }
         /**
          * Return true if this subdirectory "contains" the other path.
          * A subdirectory path does not contain itself.
          **/
         boolean contains(RelativePath other) {
             return other.path.length() > path.length() && other.path.startsWith(path);
         }
         @Override
         public String toString() {
             return "RelativeDirectory[" + path + "]";
         }
     }
     /**
      * Used to represent a platform-neutral file within a platform-specific
      * container, such as a directory or zip file.
      * Internally, the file separator is always '/'. It never ends in '/'.
      */
     public static class RelativeFile extends RelativePath {
         static RelativeFile forClass(CharSequence className, JavaFileObject.Kind kind) {
             return new RelativeFile(className.toString().replace('.', '/') + kind.extension);
         }
         public RelativeFile(String p) {
             super(p);
             if (p.endsWith("/"))
                 throw new IllegalArgumentException(p);
         }
         /**
          * @param p must use '/' as an internal separator
          */
         public RelativeFile(RelativeDirectory d, String p) {
             this(d.path + p);
         }
         RelativeFile(RelativeDirectory d, RelativePath p) {
             this(d, p.path);
         }
         @Override
         public RelativeDirectory dirname() {
             int sep = path.lastIndexOf('/');
             return new RelativeDirectory(path.substring(0, sep + 1));
         }
         @Override
         public String basename() {
             int sep = path.lastIndexOf('/');
             return path.substring(sep + 1);
         }
         ZipEntry getZipEntry(ZipFile zip) {
             return zip.getEntry(path);
         }
         @Override
         public String toString() {
             return "RelativeFile[" + path + "]";
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javac/file/RelativePath.java@71f35e4b93a5 (annotated)

src/share/classes/com/sun/tools/javac/file/RelativePath.java