Guillaume Nodet | 05fac96 | 2009-04-27 10:01:58 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
| 3 | * contributor license agreements. See the NOTICE file distributed with |
| 4 | * this work for additional information regarding copyright ownership. |
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
| 6 | * (the "License"); you may not use this file except in compliance with |
| 7 | * the License. You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | package org.apache.servicemix.jpm.impl; |
| 18 | |
| 19 | import java.io.File; |
| 20 | import java.io.FileOutputStream; |
| 21 | import java.io.IOException; |
| 22 | import java.io.InputStream; |
| 23 | import java.io.InterruptedIOException; |
| 24 | import java.io.OutputStream; |
| 25 | import java.io.PrintStream; |
| 26 | import java.util.Map; |
| 27 | import java.util.Scanner; |
| 28 | |
| 29 | public class ScriptUtils { |
| 30 | |
| 31 | public static int execute(String name, Map<String, String> props) throws IOException { |
| 32 | File script = File.createTempFile("jpm.", ".script"); |
| 33 | try { |
| 34 | if (isWindows()) { |
| 35 | String res = "windows/" + name + ".vbs"; |
| 36 | ScriptUtils.copyFilteredResource(res, script, props); |
| 37 | return executeProcess(new java.lang.ProcessBuilder("cscript", |
| 38 | "/NOLOGO", |
| 39 | "//E:vbs", |
| 40 | script.getCanonicalPath())); |
| 41 | } else { |
| 42 | String res = "unix/" + name + ".sh"; |
| 43 | ScriptUtils.copyFilteredResource(res, script, props); |
| 44 | return executeProcess(new java.lang.ProcessBuilder("/bin/sh", |
| 45 | script.getCanonicalPath())); |
| 46 | } |
| 47 | } finally { |
| 48 | script.delete(); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | public static int executeProcess(java.lang.ProcessBuilder builder) throws IOException { |
| 53 | try { |
| 54 | java.lang.Process process = builder.start(); |
| 55 | return process.waitFor(); |
| 56 | } catch (InterruptedException e) { |
| 57 | throw new InterruptedIOException(); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | public static void copyFilteredResource(String resource, File outFile, Map<String, String> props) throws IOException { |
| 62 | InputStream is = null; |
| 63 | try { |
| 64 | is = ScriptUtils.class.getResourceAsStream(resource); |
| 65 | // Read it line at a time so that we can use the platform line ending when we write it out. |
| 66 | PrintStream out = new PrintStream(new FileOutputStream(outFile)); |
| 67 | try { |
| 68 | Scanner scanner = new Scanner(is); |
| 69 | while (scanner.hasNextLine() ) { |
| 70 | String line = scanner.nextLine(); |
| 71 | line = filter(line, props); |
| 72 | out.println(line); |
| 73 | } |
| 74 | } finally { |
| 75 | safeClose(out); |
| 76 | } |
| 77 | } finally { |
| 78 | safeClose(is); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | private static void safeClose(InputStream is) throws IOException { |
| 83 | if (is == null) { |
| 84 | return; |
| 85 | } |
| 86 | try { |
| 87 | is.close(); |
| 88 | } catch (Throwable ignore) { |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | private static void safeClose(OutputStream is) throws IOException { |
| 93 | if (is == null) { |
| 94 | return; |
| 95 | } |
| 96 | try { |
| 97 | is.close(); |
| 98 | } catch (Throwable ignore) { |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | private static String filter(String line, Map<String, String> props) { |
| 103 | for (Map.Entry<String, String> i : props.entrySet()) { |
| 104 | int p1 = line.indexOf(i.getKey()); |
| 105 | if( p1 >= 0 ) { |
| 106 | String l1 = line.substring(0, p1); |
| 107 | String l2 = line.substring(p1+i.getKey().length()); |
| 108 | line = l1+i.getValue()+l2; |
| 109 | } |
| 110 | } |
| 111 | return line; |
| 112 | } |
| 113 | |
| 114 | private static final boolean windows; |
| 115 | |
| 116 | static { |
| 117 | windows = System.getProperty("os.name").toLowerCase().indexOf("windows") != -1; |
| 118 | } |
| 119 | |
| 120 | public static boolean isWindows() { |
| 121 | return windows; |
| 122 | } |
| 123 | |
| 124 | } |