* This interface provides a contract for different script engine implementations
 * to process template strings with parameter substitution.
 */
public interface ScriptEngine {

    /**
     * Evaluates a template string with the provided parameter map.
     * The template is processed using the script engine's templating mechanism,

     * A map of script engines.
     */
    protected Map<String, ScriptEngine> scriptEngineMap = new LinkedHashMap<>();

    /**
     * Adds a script engine.
     * @param name The name of the script engine.
     * @param scriptEngine The script engine.
     */
    public void add(final String name, final ScriptEngine scriptEngine) {
        if (name == null || scriptEngine == null) {

    public void test_register_caseInsensitive() {
        testScriptEngine.register();

        // Test various case combinations
        ScriptEngine lowerCase = scriptEngineFactory.getScriptEngine("testengine");
        ScriptEngine upperCase = scriptEngineFactory.getScriptEngine("TESTENGINE");
        ScriptEngine mixedCase = scriptEngineFactory.getScriptEngine("TestEngine");

        assertNotNull(lowerCase);
        assertNotNull(upperCase);

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.script;

import org.codelibs.fess.util.ComponentUtil;

/**
 * The abstract class for ScriptEngine.
 */
public abstract class AbstractScriptEngine implements ScriptEngine {

    /**
     * Default constructor.
     */
    public AbstractScriptEngine() {
        // nothing
    }

    /**
     * Register this script engine.