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.impl; 018 019 import java.lang.reflect.Field; 020 021 import org.apache.camel.spi.UriParam; 022 023 import static org.apache.camel.util.StringQuoteHelper.doubleQuote; 024 025 /** 026 * Represents the configuration of a URI query parameter value to allow type conversion 027 * and better validation of the configuration of URIs and Endpoints 028 */ 029 public class ParameterConfiguration { 030 private final String name; 031 private final Class<?> parameterType; 032 033 public ParameterConfiguration(String name, Class<?> parameterType) { 034 this.name = name; 035 this.parameterType = parameterType; 036 } 037 038 @Override 039 public String toString() { 040 return "ParameterConfiguration[" + name + " on " + parameterType + "]"; 041 } 042 043 /** 044 * Returns the name of the parameter value 045 */ 046 public String getName() { 047 return name; 048 } 049 050 /** 051 * Returns the type of the parameter value 052 */ 053 public Class<?> getParameterType() { 054 return parameterType; 055 } 056 057 /** 058 * Factory method to create a new ParameterConfiguration from a field 059 */ 060 public static ParameterConfiguration newInstance(String name, Field field, UriParam uriParam) { 061 return new AnnotatedParameterConfiguration(name, field.getType(), field); 062 } 063 064 /** 065 * Returns the JSON format of this parameter configuration 066 */ 067 public String toJson() { 068 String typeName = parameterType.getCanonicalName(); 069 // TODO would be nice to add a description; wonder if we can find that from somewhere 070 // generated by the APT tool? 071 return doubleQuote(name) + ": { \"type\": " + doubleQuote(typeName) + " }"; 072 } 073 }