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 */ 017package org.apache.camel.component.bean; 018 019import java.lang.annotation.Annotation; 020import java.util.Arrays; 021 022import org.apache.camel.Expression; 023 024/** 025 * Parameter information to be used for method invocation. 026 * 027 * @version 028 */ 029public class ParameterInfo { 030 private final int index; 031 private final Class<?> type; 032 private final Annotation[] annotations; 033 private Expression expression; 034 035 public ParameterInfo(int index, Class<?> type, Annotation[] annotations, Expression expression) { 036 this.index = index; 037 this.type = type; 038 this.annotations = annotations; 039 this.expression = expression; 040 } 041 042 public Annotation[] getAnnotations() { 043 return annotations; 044 } 045 046 public Expression getExpression() { 047 return expression; 048 } 049 050 public int getIndex() { 051 return index; 052 } 053 054 public Class<?> getType() { 055 return type; 056 } 057 058 public void setExpression(Expression expression) { 059 this.expression = expression; 060 } 061 062 public <T extends Annotation> T hasAnnotation(T type) { 063 if (annotations == null) { 064 return null; 065 } 066 for (Annotation ann : annotations) { 067 if (ann.annotationType().isAssignableFrom(type.annotationType())) { 068 return (T) ann; 069 } 070 } 071 return null; 072 } 073 074 @Override 075 public String toString() { 076 final StringBuilder sb = new StringBuilder(); 077 sb.append("ParameterInfo"); 078 sb.append("[index=").append(index); 079 sb.append(", type=").append(type); 080 sb.append(", annotations=").append(annotations == null ? "null" : Arrays.asList(annotations).toString()); 081 sb.append(", expression=").append(expression); 082 sb.append(']'); 083 return sb.toString(); 084 } 085}