001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.camel.language.spel; 018 019 import org.apache.camel.Expression; 020 import org.apache.camel.IsSingleton; 021 import org.apache.camel.Predicate; 022 import org.apache.camel.spi.Language; 023 024 /** 025 * A Spring Expression {@link Language} plugin 026 */ 027 public class SpelLanguage implements Language, IsSingleton { 028 029 public Predicate createPredicate(String expression) { 030 return new SpelExpression(expression, Boolean.class); 031 } 032 033 public Expression createExpression(String expression) { 034 return new SpelExpression(expression, Object.class); 035 } 036 037 public boolean isSingleton() { 038 return true; 039 } 040 }