| /** |
| * 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.component.http4; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Expression; |
| import org.apache.camel.builder.ExpressionBuilder; |
| import org.apache.http.client.methods.HttpDelete; |
| import org.apache.http.client.methods.HttpEntityEnclosingRequestBase; |
| import org.apache.http.client.methods.HttpGet; |
| import org.apache.http.client.methods.HttpHead; |
| import org.apache.http.client.methods.HttpOptions; |
| import org.apache.http.client.methods.HttpPost; |
| import org.apache.http.client.methods.HttpPut; |
| import org.apache.http.client.methods.HttpRequestBase; |
| import org.apache.http.client.methods.HttpTrace; |
| |
| public enum HttpMethods implements Expression { |
| |
| GET(HttpGet.class), |
| POST(HttpPost.class), |
| PUT(HttpPut.class), |
| DELETE(HttpDelete.class), |
| HEAD(HttpHead.class), |
| OPTIONS(HttpOptions.class), |
| TRACE(HttpTrace.class); |
| |
| final Class<? extends HttpRequestBase> clazz; |
| final boolean entity; |
| |
| HttpMethods(Class<? extends HttpRequestBase> clazz) { |
| this.clazz = clazz; |
| entity = HttpEntityEnclosingRequestBase.class.isAssignableFrom(clazz); |
| } |
| |
| public HttpRequestBase createMethod(final String url) { |
| try { |
| return clazz.getDeclaredConstructor(String.class).newInstance(url); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public final boolean isEntityEnclosing() { |
| return entity; |
| } |
| |
| public <T> T evaluate(Exchange exchange, Class<T> type) { |
| return ExpressionBuilder.constantExpression(name()).evaluate(exchange, type); |
| } |
| |
| } |