1 package org.apache.fulcrum.pool; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import java.lang.reflect.Method; 23 import java.util.Arrays; 24 25 /** 26 * An inner class for cached recycle methods. 27 */ 28 public class Recycler 29 { 30 /** 31 * The method. 32 */ 33 private final Method recycle; 34 35 /** 36 * The signature. 37 */ 38 private final String[] signature; 39 40 /** 41 * Constructs a new recycler. 42 * 43 * @param rec the recycle method. 44 * @param sign the signature. 45 */ 46 public Recycler(Method rec, String[] sign) 47 { 48 recycle = rec; 49 signature = sign != null && sign.length > 0 ? sign : null; 50 } 51 52 /** 53 * Matches the given signature against 54 * that of the recycle method of this recycler. 55 * 56 * @param sign the signature. 57 * @return the matching recycle method or null. 58 */ 59 public Method match(String[] sign) 60 { 61 if ( signature == null ) 62 { 63 return recycle; 64 } else { 65 66 // test if there is a match 67 if ( !Arrays.equals(sign, signature) ) 68 { 69 return null; 70 } else { 71 return recycle; 72 } 73 } 74 } 75 }