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generate ps1 code to update hosts file
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24 changes: 24 additions & 0 deletions
24
src/main/java/com/jianglibo/vaadin/dashboard/util/ProcessRunner.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package com.jianglibo.vaadin.dashboard.util; | ||
|
|
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.lang.ProcessBuilder.Redirect; | ||
| import java.util.Map; | ||
|
|
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| public class ProcessRunner { | ||
|
|
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| public static Process build() throws IOException { | ||
| ProcessBuilder pb = | ||
| new ProcessBuilder("myCommand", "myArg1", "myArg2"); | ||
| Map<String, String> env = pb.environment(); | ||
| env.put("VAR1", "myValue"); | ||
| env.remove("OTHERVAR"); | ||
| env.put("VAR2", env.get("VAR1") + "suffix"); | ||
| pb.directory(new File("myDir")); | ||
| File log = new File("log"); | ||
| pb.redirectErrorStream(true); | ||
| pb.redirectOutput(Redirect.appendTo(log)); | ||
| Process p = pb.start(); | ||
| return p; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| Param( | ||
| [string]$hostfile, | ||
| [switch]$delete, | ||
| [string]$items, | ||
| [bool]$writeback=$true | ||
| ) | ||
|
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| # ---insert-items-here--- | ||
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| function Update-HostsItems { | ||
| Param( | ||
| [string]$hostfile, | ||
| [switch]$delete, | ||
| [string]$items, | ||
| [bool]$writeback=$true) | ||
| if (!$hostfile) { | ||
| $hostfile = $env:windir | Join-Path -ChildPath "System32\drivers\etc\hosts" | ||
| } | ||
|
|
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| [array]$lines = Get-Content $hostfile | ForEach-Object {$_.ToString().trim()} | ||
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| [array]$items = $items -split "," | ForEach-Object {$_.ToString().Trim()} | ||
|
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| foreach ($item in $items) { | ||
| [array]$pair = $item -split "\s+" | ||
| if ($delete) { | ||
| $lines = $lines | Where-Object {$_ -notmatch $pair[0].ToString().Trim()} | ||
| } else { | ||
| if ($pair.Count -eq 2) { | ||
| $lines = $lines | Where-Object {$_ -notmatch $pair[0].ToString().Trim()} | ||
| } | ||
| } | ||
| } | ||
| if ($writeback) { | ||
| if ($delete) { | ||
| $lines | Out-File $hostfile -Encoding ascii | ||
| } else { | ||
| $lines + $items | Out-File $hostfile -Encoding ascii | ||
| } | ||
| } else { | ||
| if ($delete) { | ||
| $lines | ||
| } else { | ||
| $lines + $items | ||
| } | ||
| } | ||
| } | ||
| if ($items) { | ||
| if ($delete) { | ||
| Update-HostsItems -hostfile $hostfile -items $items -writeback $writeback -delete | ||
| } else { | ||
| Update-HostsItems -hostfile $hostfile -items $items -writeback $writeback | ||
| } | ||
| } |
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