/*
* Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.sun.nio.zipfs;
import java.nio.file.attribute.*;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
/*
* @author Xueming Shen, Rajendra Gutupalli, Jaya Hangal
*/
public class ZipFileAttributeView implements BasicFileAttributeView
{
private static enum AttrID {
size,
creationTime,
lastAccessTime,
lastModifiedTime,
isDirectory,
isRegularFile,
isSymbolicLink,
isOther,
fileKey,
compressedSize,
crc,
method
};
private final ZipPath path;
private final boolean isZipView;
private ZipFileAttributeView(ZipPath path, boolean isZipView) {
this.path = path;
this.isZipView = isZipView;
}
static <V extends FileAttributeView> V get(ZipPath path, Class<V> type) {
if (type == null)
throw new NullPointerException();
if (type == BasicFileAttributeView.class)
return (V)new ZipFileAttributeView(path, false);
if (type == ZipFileAttributeView.class)
return (V)new ZipFileAttributeView(path, true);
return null;
}
static ZipFileAttributeView get(ZipPath path, String type) {
if (type == null)
throw new NullPointerException();
if (type.equals("basic"))
return new ZipFileAttributeView(path, false);
if (type.equals("zip"))
return new ZipFileAttributeView(path, true);
return null;
}
@Override
public String name() {
return isZipView ? "zip" : "basic";
}
public ZipFileAttributes readAttributes() throws IOException
{
return path.getAttributes();
}
@Override
public void setTimes(FileTime lastModifiedTime,
FileTime lastAccessTime,
FileTime createTime)
throws IOException
{
path.setTimes(lastModifiedTime, lastAccessTime, createTime);
}
void setAttribute(String attribute, Object value)
throws IOException
{
try {
if (AttrID.valueOf(attribute) == AttrID.lastModifiedTime)
setTimes ((FileTime)value, null, null);
if (AttrID.valueOf(attribute) == AttrID.lastAccessTime)
setTimes (null, (FileTime)value, null);
if (AttrID.valueOf(attribute) == AttrID.creationTime)
setTimes (null, null, (FileTime)value);
return;
} catch (IllegalArgumentException x) {}
throw new UnsupportedOperationException("'" + attribute +
"' is unknown or read-only attribute");
}
Map<String, Object> readAttributes(String attributes)
throws IOException
{
ZipFileAttributes zfas = readAttributes();
LinkedHashMap<String, Object> map = new LinkedHashMap<>();
if ("*".equals(attributes)) {
for (AttrID id : AttrID.values()) {
try {
map.put(id.name(), attribute(id, zfas));
} catch (IllegalArgumentException x) {}
}
} else {
String[] as = attributes.split(",");
for (String a : as) {
try {
map.put(a, attribute(AttrID.valueOf(a), zfas));
} catch (IllegalArgumentException x) {}
}
}
return map;
}
Object attribute(AttrID id, ZipFileAttributes zfas) {
switch (id) {
case size:
return zfas.size();
case creationTime:
return zfas.creationTime();
case lastAccessTime:
return zfas.lastAccessTime();
case lastModifiedTime:
return zfas.lastModifiedTime();
case isDirectory:
return zfas.isDirectory();
case isRegularFile:
return zfas.isRegularFile();
case isSymbolicLink:
return zfas.isSymbolicLink();
case isOther:
return zfas.isOther();
case fileKey:
return zfas.fileKey();
case compressedSize:
if (isZipView)
return zfas.compressedSize();
break;
case crc:
if (isZipView)
return zfas.crc();
break;
case method:
if (isZipView)
return zfas.method();
break;
}
return null;
}
}