DirectoryNode.java

net.minecraft.util.filefix.virtualfilesystem.DirectoryNode

信息

• 全限定名：net.minecraft.util.filefix.virtualfilesystem.DirectoryNode
• 类型：final class
• 包：net.minecraft.util.filefix.virtualfilesystem
• 源码路径：src/main/java/net/minecraft/util/filefix/virtualfilesystem/DirectoryNode.java
• 起始行号：L12
• 继承：Node
• 职责：

  TODO

字段/常量

• childNodes
  • 类型: Map<String,Node>
  • 修饰符: private final
  • 源码定位: L13
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

DirectoryNode(CopyOnWriteFSPath path) @ L15

• 构造器名：DirectoryNode
• 源码定位：L15
• 修饰符：package-private

参数:

• path: CopyOnWriteFSPath

说明:

TODO

方法

下面的方法块按源码顺序生成。

public Collection<Node> children() @ L19

• 方法名：children
• 源码定位：L19
• 返回类型：Collection
• 修饰符：public

参数:

• 无

说明:

TODO

public void addChild(Node child) @ L23

• 方法名：addChild
• 源码定位：L23
• 返回类型：void
• 修饰符：public

参数:

• child: Node

说明:

TODO

void removeChild(String name) @ L29

• 方法名：removeChild
• 源码定位：L29
• 返回类型：void
• 修饰符：package-private

参数:

• name: String

说明:

TODO

public Node getChild(String name) @ L33

• 方法名：getChild
• 源码定位：L33
• 返回类型：Node
• 修饰符：public

参数:

• name: String

说明:

TODO

public DirectoryNode directoryByPath(CopyOnWriteFSPath path) @ L37

• 方法名：directoryByPath
• 源码定位：L37
• 返回类型：DirectoryNode
• 修饰符：public

参数:

• path: CopyOnWriteFSPath

说明:

TODO

public FileNode fileByPath(CopyOnWriteFSPath path) @ L45

• 方法名：fileByPath
• 源码定位：L45
• 返回类型：FileNode
• 修饰符：public

参数:

• path: CopyOnWriteFSPath

说明:

TODO

public Node byPath(CopyOnWriteFSPath path) @ L53

• 方法名：byPath
• 源码定位：L53
• 返回类型：Node
• 修饰符：public

参数:

• path: CopyOnWriteFSPath

说明:

TODO

public Node byPathOrNull(CopyOnWriteFSPath path) @ L62

• 方法名：byPathOrNull
• 源码定位：L62
• 返回类型：Node
• 修饰符：public

参数:

• path: CopyOnWriteFSPath

说明:

TODO

代码

final class DirectoryNode extends Node {
    private final Map<String, Node> childNodes = new HashMap<>();
 
    DirectoryNode(CopyOnWriteFSPath path) {
        super(path);
    }
 
    public Collection<Node> children() {
        return Collections.unmodifiableCollection(this.childNodes.values());
    }
 
    public void addChild(Node child) {
        String name = Objects.requireNonNull(child.name());
        this.childNodes.put(name, child);
        child.setParent(this);
    }
 
    void removeChild(String name) {
        this.childNodes.remove(name);
    }
 
    public @Nullable Node getChild(String name) {
        return this.childNodes.get(name);
    }
 
    public DirectoryNode directoryByPath(CopyOnWriteFSPath path) throws CowFSNoSuchFileException, CowFSNotDirectoryException {
        if (this.byPath(path) instanceof DirectoryNode result) {
            return result;
        } else {
            throw new CowFSNotDirectoryException(path + " was a file, expected directory");
        }
    }
 
    public FileNode fileByPath(CopyOnWriteFSPath path) throws CowFSNoSuchFileException {
        if (this.byPathOrNull(path) instanceof FileNode result) {
            return result;
        } else {
            throw new CowFSNoSuchFileException(path.toString());
        }
    }
 
    public Node byPath(CopyOnWriteFSPath path) throws CowFSNoSuchFileException {
        Node node = this.byPathOrNull(path);
        if (node != null) {
            return node;
        } else {
            throw new CowFSNoSuchFileException(path.toString());
        }
    }
 
    public @Nullable Node byPathOrNull(CopyOnWriteFSPath path) {
        int nameCount = path.getNameCount();
        DirectoryNode directory = this;
 
        for (int i = 0; i < nameCount; i++) {
            String name = path.getName(i).toString();
            if (!name.equals(".")) {
                if (name.equals("..")) {
                    DirectoryNode parent = directory.parent;
                    if (parent != null) {
                        directory = parent;
                    }
                } else {
                    Node nextNode = directory.getChild(name);
                    if (!(nextNode instanceof DirectoryNode nextDirectory)) {
                        return i == nameCount - 1 ? nextNode : null;
                    }
 
                    directory = nextDirectory;
                }
            }
        }
 
        return directory;
    }
}

引用的其他类

• CopyOnWriteFSPath

  • 引用位置: 参数

• FileNode

  • 引用位置: 返回值

• Node

  • 引用位置: 参数/字段/继承/返回值

• CowFSNoSuchFileException

  • 引用位置: 构造调用
  • 关联成员: CowFSNoSuchFileException()

• CowFSNotDirectoryException

  • 引用位置: 构造调用
  • 关联成员: CowFSNotDirectoryException()