Java tutorial
/** * Copyright (C) 2015 The Gravitee team (http://gravitee.io) * * Licensed 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 io.gravitee.gateway.el; import io.gravitee.gateway.api.expression.TemplateContext; import io.gravitee.gateway.el.function.JsonPathFunction; import org.springframework.beans.BeanUtils; import org.springframework.expression.EvaluationContext; import org.springframework.expression.spel.support.StandardEvaluationContext; /** * @author David BRASSELY (david at gravitee.io) * @author GraviteeSource Team */ public class SpelTemplateContext implements TemplateContext { private final StandardEvaluationContext context = new StandardEvaluationContext(); public SpelTemplateContext() { context.registerFunction("jsonPath", BeanUtils.resolveSignature("evaluate", JsonPathFunction.class)); } @Override public void setVariable(String name, Object value) { context.setVariable(name, value); } @Override public Object lookupVariable(String name) { return context.lookupVariable(name); } public EvaluationContext getContext() { return context; } }