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author | Yuexi Ma <yuexima@google.com> | 2020-03-04 18:43:18 -0800 |
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committer | Yuexi Ma <yuexima@google.com> | 2020-03-05 03:04:14 +0000 |
commit | cef92d673c81daab4b0dad931591947c86e0dc8a (patch) | |
tree | f8cbc802a806455c5fdfeab7f696c63641b9f9f5 /jimfs/src/test/java/com/google/common/jimfs/TestAttributeProvider.java | |
parent | 68591711a9034281d5fe11fc7a30e535bbce125c (diff) | |
parent | 93a6c6782a9fdf1365face2461876b8644b2a404 (diff) | |
download | jimfs-cef92d673c81daab4b0dad931591947c86e0dc8a.tar.gz |
Initial merge with upstreamandroid-r-preview-4android-r-preview-3android-r-preview-2
Test: n/a
Bug: 150784654
Change-Id: I6fb223f1bd657a6a3d0be1492f63a7774e21943e
Diffstat (limited to 'jimfs/src/test/java/com/google/common/jimfs/TestAttributeProvider.java')
-rw-r--r-- | jimfs/src/test/java/com/google/common/jimfs/TestAttributeProvider.java | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/jimfs/src/test/java/com/google/common/jimfs/TestAttributeProvider.java b/jimfs/src/test/java/com/google/common/jimfs/TestAttributeProvider.java new file mode 100644 index 0000000..4518132 --- /dev/null +++ b/jimfs/src/test/java/com/google/common/jimfs/TestAttributeProvider.java @@ -0,0 +1,227 @@ +/* + * Copyright 2013 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.google.common.jimfs; + +import static com.google.common.base.Preconditions.checkNotNull; + +import com.google.common.collect.ImmutableMap; +import com.google.common.collect.ImmutableSet; +import java.io.IOException; +import java.nio.file.attribute.BasicFileAttributeView; +import java.nio.file.attribute.FileAttributeView; +import java.nio.file.attribute.FileTime; +import java.util.HashMap; +import java.util.Map; +import org.checkerframework.checker.nullness.compatqual.NullableDecl; + +/** @author Colin Decker */ +public final class TestAttributeProvider extends AttributeProvider { + + private static final ImmutableSet<String> ATTRIBUTES = ImmutableSet.of("foo", "bar", "baz"); + + @Override + public String name() { + return "test"; + } + + @Override + public ImmutableSet<String> inherits() { + return ImmutableSet.of("basic"); + } + + @Override + public ImmutableSet<String> fixedAttributes() { + return ATTRIBUTES; + } + + @Override + public ImmutableMap<String, ?> defaultValues(Map<String, ?> userDefaults) { + Map<String, Object> result = new HashMap<>(); + + Long bar = 0L; + Integer baz = 1; + if (userDefaults.containsKey("test:bar")) { + bar = checkType("test", "bar", userDefaults.get("test:bar"), Number.class).longValue(); + } + if (userDefaults.containsKey("test:baz")) { + baz = checkType("test", "baz", userDefaults.get("test:baz"), Integer.class); + } + + result.put("test:bar", bar); + result.put("test:baz", baz); + return ImmutableMap.copyOf(result); + } + + @Override + public void set(File file, String view, String attribute, Object value, boolean create) { + switch (attribute) { + case "bar": + checkNotCreate(view, attribute, create); + file.setAttribute( + "test", "bar", checkType(view, attribute, value, Number.class).longValue()); + break; + case "baz": + file.setAttribute("test", "baz", checkType(view, attribute, value, Integer.class)); + break; + default: + throw unsettable(view, attribute, create); + } + } + + @Override + public Object get(File file, String attribute) { + if (attribute.equals("foo")) { + return "hello"; + } + return file.getAttribute("test", attribute); + } + + @Override + public Class<TestAttributeView> viewType() { + return TestAttributeView.class; + } + + @Override + public TestAttributeView view( + FileLookup lookup, ImmutableMap<String, FileAttributeView> inheritedViews) { + return new View(lookup, (BasicFileAttributeView) inheritedViews.get("basic")); + } + + @Override + public Class<TestAttributes> attributesType() { + return TestAttributes.class; + } + + @Override + public TestAttributes readAttributes(File file) { + return new Attributes(file); + } + + static final class View implements TestAttributeView { + + private final FileLookup lookup; + private final BasicFileAttributeView basicView; + + public View(FileLookup lookup, BasicFileAttributeView basicView) { + this.lookup = checkNotNull(lookup); + this.basicView = checkNotNull(basicView); + } + + @Override + public String name() { + return "test"; + } + + @Override + public Attributes readAttributes() throws IOException { + return new Attributes(lookup.lookup()); + } + + @Override + public void setTimes( + @NullableDecl FileTime lastModifiedTime, + @NullableDecl FileTime lastAccessTime, + @NullableDecl FileTime createTime) + throws IOException { + basicView.setTimes(lastModifiedTime, lastAccessTime, createTime); + } + + @Override + public void setBar(long bar) throws IOException { + lookup.lookup().setAttribute("test", "bar", bar); + } + + @Override + public void setBaz(int baz) throws IOException { + lookup.lookup().setAttribute("test", "baz", baz); + } + } + + static final class Attributes implements TestAttributes { + + private final Long bar; + private final Integer baz; + + public Attributes(File file) { + this.bar = (Long) file.getAttribute("test", "bar"); + this.baz = (Integer) file.getAttribute("test", "baz"); + } + + @Override + public String foo() { + return "hello"; + } + + @Override + public long bar() { + return bar; + } + + @Override + public int baz() { + return baz; + } + + // BasicFileAttributes is just implemented here because readAttributes requires a subtype of + // BasicFileAttributes -- methods are not implemented + + @Override + public FileTime lastModifiedTime() { + return null; + } + + @Override + public FileTime lastAccessTime() { + return null; + } + + @Override + public FileTime creationTime() { + return null; + } + + @Override + public boolean isRegularFile() { + return false; + } + + @Override + public boolean isDirectory() { + return false; + } + + @Override + public boolean isSymbolicLink() { + return false; + } + + @Override + public boolean isOther() { + return false; + } + + @Override + public long size() { + return 0; + } + + @Override + public Object fileKey() { + return null; + } + } +} |