Dmitry Jemerov
49 lines
1.8 KiB
Kotlin
49 lines
1.8 KiB
Kotlin
package kotlin.io
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import java.io.File
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import java.io.IOException
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private fun constructMessage(file: File, other: File?, reason: String?): String {
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val sb = StringBuilder(file.toString())
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if (other != null) {
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sb.append(" -> $other")
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}
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if (reason != null) {
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sb.append(": $reason")
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}
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return sb.toString()
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}
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/**
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* A base exception class for file system exceptions.
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* @property file the file on which the failed operation was performed.
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* @property other the second file involved in the operation, if any (for example, the target of a copy or move)
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* @property reason the description of the error
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*/
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open public class FileSystemException(public val file: File,
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public val other: File? = null,
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public val reason: String? = null
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) : IOException(constructMessage(file, other, reason))
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/**
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* An exception class which is used when some file to create or copy to already exists.
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*/
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public class FileAlreadyExistsException(file: File,
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other: File? = null,
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reason: String? = null) : FileSystemException(file, other, reason)
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/**
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* An exception class which is used when we have not enough access for some operation.
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*/
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public class AccessDeniedException(file: File,
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other: File? = null,
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reason: String? = null) : FileSystemException(file, other, reason)
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/**
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* An exception class which is used when file to copy does not exist.
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*/
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public class NoSuchFileException(file: File,
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other: File? = null,
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reason: String? = null) : FileSystemException(file, other, reason)
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