private String getPropertyFromExpression()

in maven-plugin-tools-generators/src/main/java/org/apache/maven/tools/plugin/generator/PluginXdocGenerator.java [575:585]

• 9 lines of code
• 6 McCabe index (conditional complexity)

    private String getPropertyFromExpression(String expression) {
        if ((expression != null && !expression.isEmpty())
                && expression.startsWith("${")
                && expression.endsWith("}")
                && !expression.substring(2).contains("${")) {
            // expression="${xxx}" -> property="xxx"
            return expression.substring(2, expression.length() - 1);
        }
        // no property can be extracted
        return null;
    }