Examples with RegexpMatcher org.apache.tools.ant.util.regexp.RegexpMatcher used on opensource projects

Example 1 with RegexpMatcher

use of org.apache.tools.ant.util.regexp.RegexpMatcher in project ant by apache.

the class PropertySet method addPropertyNames.

/**
 * @param  names the output Set to fill with the property names
 *         matching this PropertySet selection criteria.
 * @param  props the current Project properties, passed in to
 *         avoid needless duplication of the Hashtable during recursion.
 */
private void addPropertyNames(Set<String> names, Map<String, Object> props) {
    if (isReference()) {
        getRef().addPropertyNames(names, props);
    }
    dieOnCircularReference();
    // Add this PropertySet's property names.
    for (PropertyRef r : ptyRefs) {
        if (r.name != null) {
            if (props.get(r.name) != null) {
                names.add(r.name);
            }
        } else if (r.prefix != null) {
            for (String name : props.keySet()) {
                if (name.startsWith(r.prefix)) {
                    names.add(name);
                }
            }
        } else if (r.regex != null) {
            RegexpMatcherFactory matchMaker = new RegexpMatcherFactory();
            RegexpMatcher matcher = matchMaker.newRegexpMatcher();
            matcher.setPattern(r.regex);
            for (String name : props.keySet()) {
                if (matcher.matches(name)) {
                    names.add(name);
                }
            }
        } else if (r.builtin != null) {
            if (r.builtin.equals(BuiltinPropertySetName.ALL)) {
                names.addAll(props.keySet());
            } else if (r.builtin.equals(BuiltinPropertySetName.SYSTEM)) {
                names.addAll(getAllSystemProperties().keySet());
            } else if (r.builtin.equals(BuiltinPropertySetName.COMMANDLINE)) {
                names.addAll(getProject().getUserProperties().keySet());
            } else {
                throw new BuildException("Impossible: Invalid builtin " + "attribute!");
            }
        } else {
            throw new BuildException("Impossible: Invalid PropertyRef!");
        }
    }
}