content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.quarkus.component.joor.runtime;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.language.joor.JoorCompiler;
  import org.apache.camel.language.joor.JoorMethod;
  import org.apache.camel.quarkus.support.language.runtime.ExpressionUID;
  
  /**
   * {@code JoorExpressionCompiler} is a jOOR compiler with all the {@link JoorMethod}s defined ahead of time and ready to
   * use at runtime.
   * <p>
   * In case a requested expression is unknown, the compilation is delegated to the parent class which implies that it
   * will only work in JVM mode.
   */
  public class JoorExpressionCompiler extends JoorCompiler {
  
      private final Map<String, JoorMethod> methods;
  
      private JoorExpressionCompiler(Map<String, JoorMethod> methods) {
          this.methods = Collections.unmodifiableMap(methods);
      }
  
      @Override
      public JoorMethod compile(CamelContext camelContext, String script, boolean singleQuotes) {
          final JoorMethod method = methods.get(new ExpressionUID(script, singleQuotes).toString());
          if (method == null) {
              return super.compile(camelContext, script, singleQuotes);
          }
          return method;
      }
  
      public static class Builder {
  
          private final Map<String, JoorMethod> methods = new HashMap<>();
  
          public void addExpression(String id, JoorMethod method) {
              methods.put(id, method);
          }
  
          public JoorExpressionCompiler build() {
              return new JoorExpressionCompiler(methods);
          }
      }
  }
  