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/* NSC -- new Scala compiler
* Copyright 2005-2011 LAMP/EPFL
* @author Martin Odersky
*/
package scala.tools.nsc
package io
import java.io.{ ByteArrayInputStream, ByteArrayOutputStream, InputStream, OutputStream }
/** This class implements an in-memory file.
*
* @author Philippe Altherr
* @version 1.0, 23/03/2004
*/
class VirtualFile(val name: String, override val path: String) extends AbstractFile {
/**
* Initializes this instance with the specified name and an
* identical path.
*
* @param name the name of the virtual file to be created
* @return the created virtual file
*/
def this(name: String) = this(name, name)
override def hashCode = path.hashCode
override def equals(that: Any) = that match {
case x: VirtualFile => x.path == path
case _ => false
}
//########################################################################
// Private data
private var content = new Array[Byte](0)
//########################################################################
// Public Methods
def absolute = this
/** Returns null. */
final def file: JFile = null
override def sizeOption: Option[Int] = Some(content.size)
def input : InputStream = new ByteArrayInputStream(content);
override def output: OutputStream = {
new ByteArrayOutputStream() {
override def close() {
super.close()
content = toByteArray()
}
}
}
def container: AbstractFile = unsupported
/** Is this abstract file a directory? */
def isDirectory: Boolean = false
/** Returns the time that this abstract file was last modified. */
private var _lastModified: Long = 0
def lastModified: Long = _lastModified
def lastModified_=(x: Long) = _lastModified = x
/** Returns all abstract subfiles of this abstract directory. */
def iterator: Iterator[AbstractFile] = {
assert(isDirectory, "not a directory '" + this + "'")
Iterator.empty
}
/** Does this abstract file denote an existing file? */
def create() { unsupported }
/** Delete the underlying file or directory (recursively). */
def delete() { unsupported }
/**
* Returns the abstract file in this abstract directory with the
* specified name. If there is no such file, returns null. The
* argument "directory" tells whether to look for a directory or
* or a regular file.
*
* @param name ...
* @param directory ...
* @return ...
*/
def lookupName(name: String, directory: Boolean): AbstractFile = {
assert(isDirectory, "not a directory '" + this + "'")
null
}
/** Returns an abstract file with the given name. It does not
* check that it exists.
*/
def lookupNameUnchecked(name: String, directory: Boolean) = unsupported
//########################################################################
}
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