Examples of jodd.util.StringTemplateParser

jodd.util.StringTemplateParser
Parser for string macro templates. On parsing, macro values in provided string are resolved and replaced with real values. Once set, one string template parser can be reused for parsing, even using different macro resolvers.


  /**
   * Processes input JSP content and replace macros.
   */
  public String process(String input) {
    StringTemplateParser tagParser = createStringTemplateParser();


    return tagParser.parse(input, new StringTemplateParser.MacroResolver() {
      public String resolve(String macro) {
        HtmlTag htmlTag = new HtmlTag("<" + macro + "/>");
        String tagName = htmlTag.getTagName();


        String macroBody = loadMacro(tagName);

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  /**
   * Creates new string template parser.
   */
  protected StringTemplateParser createStringTemplateParser() {
    StringTemplateParser tagParser = new StringTemplateParser();
    tagParser.setMacroStart("<" + tagPrefix);
    tagParser.setMacroEnd("/>");
    tagParser.setEscapeChar((char) 0);
    return tagParser;
  }

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   * There are two ways how macros can be resolved: using active profiles
   * or using a profile of a property that is being resolved.
   */
  public void resolveMacros(String[] activeProfiles) {
    // create string template parser that will be used internally
    StringTemplateParser stringTemplateParser = new StringTemplateParser();
    stringTemplateParser.setResolveEscapes(false);


    if (!ignoreMissingMacros) {
      stringTemplateParser.setReplaceMissingKey(false);
    } else {
      stringTemplateParser.setReplaceMissingKey(true);
      stringTemplateParser.setMissingKeyReplacement(StringPool.EMPTY);
    }


    // start parsing
    int loopCount = 0;
    while (loopCount++ < MAX_INNER_MACROS) {

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  /**
   * Resolves all macros in this props set. Called on property lookup.
   */
  public String resolveMacros(String value, final String... profiles) {
    // create string template parser that will be used internally
    StringTemplateParser stringTemplateParser = new StringTemplateParser();
    stringTemplateParser.setResolveEscapes(false);


    if (!ignoreMissingMacros) {
      stringTemplateParser.setReplaceMissingKey(false);
    } else {
      stringTemplateParser.setReplaceMissingKey(true);
      stringTemplateParser.setMissingKeyReplacement(StringPool.EMPTY);
    }


    final StringTemplateParser.MacroResolver macroResolver = new StringTemplateParser.MacroResolver() {
      public String resolve(String macroName) {
        String[] lookupProfiles = profiles;


        int leftIndex = macroName.indexOf('<');
        if (leftIndex != -1) {
          int rightIndex = macroName.indexOf('>');


          String profiles = macroName.substring(leftIndex + 1, rightIndex);
          macroName = macroName.substring(0, leftIndex).concat(macroName.substring(rightIndex + 1));


          lookupProfiles = StringUtil.splitc(profiles, ',');


          StringUtil.trimAll(lookupProfiles);
        }


        return lookupValue(macroName, lookupProfiles);
      }
    };


    // start parsing
    int loopCount = 0;


    while (loopCount++ < MAX_INNER_MACROS) {
      final String newValue = stringTemplateParser.parse(value, macroResolver);


      if (newValue.equals(value)) {
        break;
      }

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Related Classes of jodd.util.StringTemplateParser

jodd.joy.jspp.Jspp

jodd.props.PropsData

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