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src/jdk.zipfs/share/classes/jdk/nio/zipfs/ZipFileAttributeView.java

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rev 53038 : 8215472: (zipfs) Cleanups in implementation classes of jdk.zipfs and tests
   1 /*
   2  * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nio.zipfs;
  27 
  28 import java.nio.file.attribute.*;
  29 import java.io.IOException;



  30 import java.util.LinkedHashMap;
  31 import java.util.Map;
  32 
  33 /*
  34  * @author  Xueming Shen, Rajendra Gutupalli, Jaya Hangal
  35  */
  36 
  37 class ZipFileAttributeView implements BasicFileAttributeView
  38 {
  39     private static enum AttrID {
  40         size,
  41         creationTime,
  42         lastAccessTime,
  43         lastModifiedTime,
  44         isDirectory,
  45         isRegularFile,
  46         isSymbolicLink,
  47         isOther,
  48         fileKey,
  49         compressedSize,
  50         crc,
  51         method
  52     };
  53 
  54     private final ZipPath path;
  55     private final boolean isZipView;
  56 
  57     private ZipFileAttributeView(ZipPath path, boolean isZipView) {
  58         this.path = path;


  68         if (type == ZipFileAttributeView.class)
  69             return (V)new ZipFileAttributeView(path, true);
  70         return null;
  71     }
  72 
  73     static ZipFileAttributeView get(ZipPath path, String type) {
  74         if (type == null)
  75             throw new NullPointerException();
  76         if (type.equals("basic"))
  77             return new ZipFileAttributeView(path, false);
  78         if (type.equals("zip"))
  79             return new ZipFileAttributeView(path, true);
  80         return null;
  81     }
  82 
  83     @Override
  84     public String name() {
  85         return isZipView ? "zip" : "basic";
  86     }
  87 
  88     public ZipFileAttributes readAttributes() throws IOException
  89     {
  90         return path.getAttributes();
  91     }
  92 
  93     @Override
  94     public void setTimes(FileTime lastModifiedTime,
  95                          FileTime lastAccessTime,
  96                          FileTime createTime)
  97         throws IOException
  98     {
  99         path.setTimes(lastModifiedTime, lastAccessTime, createTime);
 100     }
 101 
 102     void setAttribute(String attribute, Object value)
 103         throws IOException
 104     {
 105         try {
 106             if (AttrID.valueOf(attribute) == AttrID.lastModifiedTime)
 107                 setTimes ((FileTime)value, null, null);
 108             if (AttrID.valueOf(attribute) == AttrID.lastAccessTime)
 109                 setTimes (null, (FileTime)value, null);
 110             if (AttrID.valueOf(attribute) == AttrID.creationTime)
 111                 setTimes (null, null, (FileTime)value);
 112             return;
 113         } catch (IllegalArgumentException x) {}
 114         throw new UnsupportedOperationException("'" + attribute +
 115             "' is unknown or read-only attribute");
 116     }
 117 
 118     Map<String, Object> readAttributes(String attributes)
 119         throws IOException
 120     {
 121         ZipFileAttributes zfas = readAttributes();
 122         LinkedHashMap<String, Object> map = new LinkedHashMap<>();
 123         if ("*".equals(attributes)) {
 124             for (AttrID id : AttrID.values()) {
 125                 try {
 126                     map.put(id.name(), attribute(id, zfas));
 127                 } catch (IllegalArgumentException x) {}
 128             }
 129         } else {
 130             String[] as = attributes.split(",");
 131             for (String a : as) {


   1 /*
   2  * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nio.zipfs;
  27 

  28 import java.io.IOException;
  29 import java.nio.file.attribute.BasicFileAttributeView;
  30 import java.nio.file.attribute.FileAttributeView;
  31 import java.nio.file.attribute.FileTime;
  32 import java.util.LinkedHashMap;
  33 import java.util.Map;
  34 
  35 /**
  36  * @author Xueming Shen, Rajendra Gutupalli, Jaya Hangal
  37  */
  38 class ZipFileAttributeView implements BasicFileAttributeView {


  39     private static enum AttrID {
  40         size,
  41         creationTime,
  42         lastAccessTime,
  43         lastModifiedTime,
  44         isDirectory,
  45         isRegularFile,
  46         isSymbolicLink,
  47         isOther,
  48         fileKey,
  49         compressedSize,
  50         crc,
  51         method
  52     };
  53 
  54     private final ZipPath path;
  55     private final boolean isZipView;
  56 
  57     private ZipFileAttributeView(ZipPath path, boolean isZipView) {
  58         this.path = path;


  68         if (type == ZipFileAttributeView.class)
  69             return (V)new ZipFileAttributeView(path, true);
  70         return null;
  71     }
  72 
  73     static ZipFileAttributeView get(ZipPath path, String type) {
  74         if (type == null)
  75             throw new NullPointerException();
  76         if (type.equals("basic"))
  77             return new ZipFileAttributeView(path, false);
  78         if (type.equals("zip"))
  79             return new ZipFileAttributeView(path, true);
  80         return null;
  81     }
  82 
  83     @Override
  84     public String name() {
  85         return isZipView ? "zip" : "basic";
  86     }
  87 
  88     public ZipFileAttributes readAttributes() throws IOException {

  89         return path.getAttributes();
  90     }
  91 
  92     @Override
  93     public void setTimes(FileTime lastModifiedTime,
  94                          FileTime lastAccessTime,
  95                          FileTime createTime)
  96         throws IOException
  97     {
  98         path.setTimes(lastModifiedTime, lastAccessTime, createTime);
  99     }
 100 
 101     void setAttribute(String attribute, Object value)
 102         throws IOException
 103     {
 104         try {
 105             if (AttrID.valueOf(attribute) == AttrID.lastModifiedTime)
 106                 setTimes((FileTime)value, null, null);
 107             if (AttrID.valueOf(attribute) == AttrID.lastAccessTime)
 108                 setTimes(null, (FileTime)value, null);
 109             if (AttrID.valueOf(attribute) == AttrID.creationTime)
 110                 setTimes(null, null, (FileTime)value);
 111             return;
 112         } catch (IllegalArgumentException x) {}
 113         throw new UnsupportedOperationException("'" + attribute +
 114             "' is unknown or read-only attribute");
 115     }
 116 
 117     Map<String, Object> readAttributes(String attributes)
 118         throws IOException
 119     {
 120         ZipFileAttributes zfas = readAttributes();
 121         LinkedHashMap<String, Object> map = new LinkedHashMap<>();
 122         if ("*".equals(attributes)) {
 123             for (AttrID id : AttrID.values()) {
 124                 try {
 125                     map.put(id.name(), attribute(id, zfas));
 126                 } catch (IllegalArgumentException x) {}
 127             }
 128         } else {
 129             String[] as = attributes.split(",");
 130             for (String a : as) {


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