How to use

replaceTokens

method

in

org.apache.hadoop.util.StringUtils

String[] classPathEntries = inputClassPath.split(File.pathSeparator);
for (int i = 0; i < classPathEntries.length; ++i) {
 classPathEntries[i] = StringUtils.replaceTokens(classPathEntries[i],
  StringUtils.ENV_VAR_PATTERN, env);

@Test (timeout = 5000)
public void testReplaceTokensWinEnvVars() {
 Pattern pattern = StringUtils.WIN_ENV_VAR_PATTERN;
 Map<String, String> replacements = new HashMap<String, String>();
 replacements.put("foo", "zoo");
 replacements.put("baz", "zaz");
 assertEquals("zoo", StringUtils.replaceTokens("%foo%", pattern,
  replacements));
 assertEquals("zaz", StringUtils.replaceTokens("%baz%", pattern,
  replacements));
 assertEquals("", StringUtils.replaceTokens("%bar%", pattern,
  replacements));
 assertEquals("", StringUtils.replaceTokens("", pattern, replacements));
 assertEquals("zoo__zaz", StringUtils.replaceTokens("%foo%_%bar%_%baz%",
  pattern, replacements));
 assertEquals("begin zoo__zaz end", StringUtils.replaceTokens(
  "begin %foo%_%bar%_%baz% end", pattern, replacements));
}

String[] classPathEntries = inputClassPath.split(File.pathSeparator);
for (int i = 0; i < classPathEntries.length; ++i) {
 classPathEntries[i] = StringUtils.replaceTokens(classPathEntries[i],
  StringUtils.ENV_VAR_PATTERN, env);

@Test (timeout = 5000)
public void testReplaceTokensWinEnvVars() {
 Pattern pattern = StringUtils.WIN_ENV_VAR_PATTERN;
 Map<String, String> replacements = new HashMap<String, String>();
 replacements.put("foo", "zoo");
 replacements.put("baz", "zaz");
 assertEquals("zoo", StringUtils.replaceTokens("%foo%", pattern,
  replacements));
 assertEquals("zaz", StringUtils.replaceTokens("%baz%", pattern,
  replacements));
 assertEquals("", StringUtils.replaceTokens("%bar%", pattern,
  replacements));
 assertEquals("", StringUtils.replaceTokens("", pattern, replacements));
 assertEquals("zoo__zaz", StringUtils.replaceTokens("%foo%_%bar%_%baz%",
  pattern, replacements));
 assertEquals("begin zoo__zaz end", StringUtils.replaceTokens(
  "begin %foo%_%bar%_%baz% end", pattern, replacements));
}

@Test (timeout = 5000)
public void testReplaceTokensShellEnvVars() {
 Pattern pattern = StringUtils.SHELL_ENV_VAR_PATTERN;
 Map<String, String> replacements = new HashMap<String, String>();
 replacements.put("FOO", "one");
 replacements.put("BAZ", "two");
 replacements.put("NUMBERS123", "one-two-three");
 replacements.put("UNDER_SCORES", "___");
 assertEquals("one", StringUtils.replaceTokens("$FOO", pattern,
  replacements));
 assertEquals("two", StringUtils.replaceTokens("$BAZ", pattern,
  replacements));
 assertEquals("", StringUtils.replaceTokens("$BAR", pattern, replacements));
 assertEquals("", StringUtils.replaceTokens("", pattern, replacements));
 assertEquals("one-two-three", StringUtils.replaceTokens("$NUMBERS123",
  pattern, replacements));
 assertEquals("___", StringUtils.replaceTokens("$UNDER_SCORES", pattern,
  replacements));
 assertEquals("//one//two//", StringUtils.replaceTokens("//$FOO/$BAR/$BAZ//",
  pattern, replacements));
}

String[] classPathEntries = inputClassPath.split(File.pathSeparator);
for (int i = 0; i < classPathEntries.length; ++i) {
 classPathEntries[i] = StringUtils.replaceTokens(classPathEntries[i],
  StringUtils.ENV_VAR_PATTERN, env);

String[] classPathEntries = inputClassPath.split(File.pathSeparator);
for (int i = 0; i < classPathEntries.length; ++i) {
 classPathEntries[i] = StringUtils.replaceTokens(classPathEntries[i],
   StringUtils.ENV_VAR_PATTERN, env);

String[] classPathEntries = inputClassPath.split(File.pathSeparator);
for (int i = 0; i < classPathEntries.length; ++i) {
 classPathEntries[i] = StringUtils.replaceTokens(classPathEntries[i],
  StringUtils.ENV_VAR_PATTERN, env);

@Test (timeout = 5000)
public void testReplaceTokensShellEnvVars() {
 Pattern pattern = StringUtils.SHELL_ENV_VAR_PATTERN;
 Map<String, String> replacements = new HashMap<String, String>();
 replacements.put("FOO", "one");
 replacements.put("BAZ", "two");
 replacements.put("NUMBERS123", "one-two-three");
 replacements.put("UNDER_SCORES", "___");
 assertEquals("one", StringUtils.replaceTokens("$FOO", pattern,
  replacements));
 assertEquals("two", StringUtils.replaceTokens("$BAZ", pattern,
  replacements));
 assertEquals("", StringUtils.replaceTokens("$BAR", pattern, replacements));
 assertEquals("", StringUtils.replaceTokens("", pattern, replacements));
 assertEquals("one-two-three", StringUtils.replaceTokens("$NUMBERS123",
  pattern, replacements));
 assertEquals("___", StringUtils.replaceTokens("$UNDER_SCORES", pattern,
  replacements));
 assertEquals("//one//two//", StringUtils.replaceTokens("//$FOO/$BAR/$BAZ//",
  pattern, replacements));
}