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package org.mule.util; |
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import org.mule.MuleException; |
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import java.io.BufferedReader; |
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import java.io.InputStreamReader; |
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import java.lang.reflect.Method; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.Map; |
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import org.apache.commons.cli.BasicParser; |
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import org.apache.commons.cli.CommandLine; |
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import org.apache.commons.cli.Option; |
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import org.apache.commons.cli.Options; |
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import org.apache.commons.cli.ParseException; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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|
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|
31 | 0 | public class SystemUtils extends org.apache.commons.lang.SystemUtils |
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{ |
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|
34 | 0 | protected static final Log logger = LogFactory.getLog(SystemUtils.class); |
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|
38 | 0 | private static final String[] UNIX_ENV_PREFIXES = new String[]{"declare -", "typeset -"}; |
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41 | 0 | private static Map environment = null; |
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public static synchronized Map getenv() |
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{ |
51 | 0 | if (environment == null) |
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{ |
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try |
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{ |
55 | 0 | if (SystemUtils.IS_JAVA_1_4) |
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{ |
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|
58 | 0 | environment = Collections.unmodifiableMap(getenvJDK14()); |
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} |
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else |
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{ |
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|
64 | 0 | Class target = System.class; |
65 | 0 | Method envMethod = target.getMethod("getenv", ArrayUtils.EMPTY_CLASS_ARRAY); |
66 | 0 | environment = Collections.unmodifiableMap((Map) envMethod.invoke(target, (Class[]) null)); |
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} |
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} |
69 | 0 | catch (Exception ex) |
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{ |
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|
72 | 0 | logger.error("Could not access OS environment: ", ex); |
73 | 0 | environment = Collections.EMPTY_MAP; |
74 | 0 | } |
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} |
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|
77 | 0 | return environment; |
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} |
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private static Map getenvJDK14() throws Exception |
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{ |
82 | 0 | Map env = new HashMap(); |
83 | 0 | Process process = null; |
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|
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try |
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{ |
87 | 0 | boolean isUnix = true; |
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String command; |
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|
90 | 0 | if (SystemUtils.IS_OS_WINDOWS) |
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{ |
92 | 0 | command = "cmd /c set"; |
93 | 0 | isUnix = false; |
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} |
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else |
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{ |
97 | 0 | command = "env"; |
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} |
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|
100 | 0 | process = Runtime.getRuntime().exec(command); |
101 | 0 | BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream())); |
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|
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String line; |
104 | 0 | while ((line = br.readLine()) != null) |
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{ |
106 | 0 | for (int prefix = 0; prefix < UNIX_ENV_PREFIXES.length; prefix++) |
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{ |
108 | 0 | if (line.startsWith(UNIX_ENV_PREFIXES[prefix])) |
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{ |
110 | 0 | line = line.substring(UNIX_ENV_PREFIXES[prefix].length()); |
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} |
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} |
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|
114 | 0 | int index = -1; |
115 | 0 | if ((index = line.indexOf('=')) > -1) |
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{ |
117 | 0 | String key = line.substring(0, index).trim(); |
118 | 0 | String value = line.substring(index + 1).trim(); |
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|
120 | 0 | if (isUnix && value.length() > 1 && (value.startsWith("\"") || value.startsWith("'"))) |
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{ |
122 | 0 | value = value.substring(1, value.length() - 1); |
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} |
124 | 0 | env.put(key, value); |
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} |
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else |
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{ |
128 | 0 | env.put(line, StringUtils.EMPTY); |
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} |
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} |
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} |
132 | 0 | catch (Exception e) |
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{ |
134 | 0 | throw e; |
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} |
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finally |
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{ |
138 | 0 | if (process != null) |
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{ |
140 | 0 | process.destroy(); |
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} |
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} |
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|
144 | 0 | return env; |
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} |
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|
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public static String getenv(String name) |
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{ |
149 | 0 | return (String) SystemUtils.getenv().get(name); |
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} |
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public static boolean isSunJDK() |
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{ |
154 | 0 | return SystemUtils.JAVA_VM_VENDOR.toUpperCase().indexOf("SUN") != -1; |
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} |
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|
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public static boolean isIbmJDK() |
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{ |
159 | 0 | return SystemUtils.JAVA_VM_VENDOR.toUpperCase().indexOf("IBM") != -1; |
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} |
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|
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private static CommandLine parseCommandLine(String args[], String opts[][]) throws MuleException |
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{ |
164 | 0 | Options options = new Options(); |
165 | 0 | for (int i = 0; i < opts.length; i++) |
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{ |
167 | 0 | options.addOption(opts[i][0], opts[i][1].equals("true") ? true : false, opts[i][2]); |
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} |
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|
170 | 0 | BasicParser parser = new BasicParser(); |
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|
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try |
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{ |
174 | 0 | CommandLine line = parser.parse(options, args, true); |
175 | 0 | if (line == null) |
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{ |
177 | 0 | throw new MuleException("Unknown error parsing the Mule command line"); |
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} |
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|
180 | 0 | return line; |
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} |
182 | 0 | catch (ParseException p) |
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{ |
184 | 0 | throw new MuleException("Unable to parse the Mule command line because of: " + p.toString(), p); |
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} |
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} |
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public static String getCommandLineOption(String option, String args[], String opts[][]) |
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throws MuleException |
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{ |
196 | 0 | CommandLine line = parseCommandLine(args, opts); |
197 | 0 | return line.getOptionValue(option); |
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} |
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public static boolean hasCommandLineOption(String option, String args[], String opts[][]) |
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throws MuleException |
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{ |
208 | 0 | CommandLine line = parseCommandLine(args, opts); |
209 | 0 | return line.hasOption(option); |
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} |
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public static Map getCommandLineOptions(String args[], String opts[][]) throws MuleException |
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{ |
219 | 0 | CommandLine line = parseCommandLine(args, opts); |
220 | 0 | Map ret = new HashMap(); |
221 | 0 | Option[] options = line.getOptions(); |
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|
223 | 0 | for (int i = 0; i < options.length; i++) |
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{ |
225 | 0 | Option option = options[i]; |
226 | 0 | ret.put(option.getOpt(), option.getValue("true")); |
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} |
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|
229 | 0 | return ret; |
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} |
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public static Map parsePropertyDefinitions(String input) |
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{ |
245 | 0 | if (StringUtils.isEmpty(input)) |
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{ |
247 | 0 | return Collections.EMPTY_MAP; |
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} |
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|
251 | 0 | final Map result = new HashMap(); |
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|
254 | 0 | int tokenStart = 0; |
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|
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|
257 | 0 | findtoken : while (tokenStart < input.length()) |
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{ |
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|
260 | 0 | tokenStart = StringUtils.indexOf(input, "-D", tokenStart); |
261 | 0 | if (tokenStart == StringUtils.INDEX_NOT_FOUND) |
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{ |
263 | 0 | break findtoken; |
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} |
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else |
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{ |
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|
268 | 0 | tokenStart += 2; |
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} |
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|
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|
272 | 0 | int keyStart = tokenStart; |
273 | 0 | int keyEnd = keyStart; |
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|
275 | 0 | if (keyStart == input.length()) |
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{ |
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|
278 | 0 | break; |
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} |
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|
282 | 0 | char cursor = input.charAt(keyStart); |
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|
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|
285 | 0 | if (cursor == ' ') |
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{ |
287 | 0 | continue findtoken; |
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} |
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|
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|
291 | 0 | if (cursor == '=') |
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{ |
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|
294 | 0 | tokenStart = StringUtils.indexOf(input, ' ', tokenStart); |
295 | 0 | if (tokenStart != StringUtils.INDEX_NOT_FOUND) |
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{ |
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|
298 | 0 | continue findtoken; |
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} |
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else |
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{ |
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|
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break findtoken; |
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} |
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} |
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|
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|
308 | 0 | findkey : while (keyEnd < input.length()) |
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{ |
310 | 0 | cursor = input.charAt(keyEnd); |
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|
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|
313 | 0 | if (cursor == ' ') |
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{ |
315 | 0 | tokenStart = keyEnd; |
316 | 0 | break findkey; |
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} |
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|
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|
320 | 0 | if (cursor == '=') |
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{ |
322 | 0 | break findkey; |
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} |
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|
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|
326 | 0 | keyEnd++; |
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} |
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|
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|
330 | 0 | String key = StringUtils.substring(input, keyStart, keyEnd); |
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|
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|
333 | 0 | int valueStart = keyEnd; |
334 | 0 | int valueEnd = keyEnd; |
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|
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|
337 | 0 | String value = "true"; |
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|
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|
340 | 0 | if (keyEnd < input.length() && cursor != ' ') |
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{ |
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|
343 | 0 | valueStart = keyEnd + 1; |
344 | 0 | valueEnd = valueStart; |
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|
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|
347 | 0 | cursor = input.charAt(valueStart); |
348 | 0 | if (cursor == '"') |
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{ |
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|
351 | 0 | valueEnd = StringUtils.indexOf(input, '"', ++valueStart); |
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} |
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else |
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{ |
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|
356 | 0 | valueEnd = StringUtils.indexOf(input, ' ', valueStart); |
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} |
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|
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|
360 | 0 | if (valueEnd == StringUtils.INDEX_NOT_FOUND) |
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{ |
362 | 0 | valueEnd = input.length(); |
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} |
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|
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|
366 | 0 | value = StringUtils.substring(input, valueStart, valueEnd); |
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} |
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|
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|
370 | 0 | result.put(key, value); |
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|
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|
373 | 0 | tokenStart = valueEnd; |
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} |
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|
376 | 0 | return result; |
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} |
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|
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} |