1 /** 2 * Redistribution and use of this software and associated documentation ("Software"), with or 3 * without modification, are permitted provided that the following conditions are met: 4 * 5 * 1. Redistributions of source code must retain copyright statements and notices. Redistributions 6 * must also contain a copy of this document. 7 * 8 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of 9 * conditions and the following disclaimer in the documentation and/or other materials provided with 10 * the distribution. 11 * 12 * 3. The name "Exolab" must not be used to endorse or promote products derived from this Software 13 * without prior written permission of Intalio, Inc. For written permission, please contact 14 * info@exolab.org. 15 * 16 * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in 17 * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of 18 * Intalio, Inc. 19 * 20 * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/). 21 * 22 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 24 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS 25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 29 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * Copyright 1999-2003 (C) Intalio, Inc. All Rights Reserved. 32 * 33 * $Id: MappingTool.java 6026 2006-06-28 07:24:40Z wguttmn $ 34 */ 35 package org.exolab.castor.tools; 36 37 import java.lang.reflect.Array; 38 39 import org.castor.xml.JavaNaming; 40 import org.exolab.castor.mapping.loader.AbstractMappingLoader; 41 42 /** 43 * Extend mapping loader to give us access to the findAccessor method. 44 */ 45 public final class MappingToolMappingLoader { 46 /** 47 * The {@link JavaNaming} implementation to use. 48 * 49 * @since 1.1.3 50 */ 51 private JavaNaming _javaNaming; 52 53 /** 54 * A MappingToolMappingLoader needs a javaNaming to be set. 55 * 56 * @param javaNaming the {@link JavaNaming} implementation to use 57 */ 58 public MappingToolMappingLoader(final JavaNaming javaNaming) { 59 _javaNaming = javaNaming; 60 } 61 62 /** 63 * Returns true if the get method returns an array. This method is used for greater compatability 64 * with generated descriptors. 65 * 66 * @param clazz the Class to find an accessor in 67 * @param fieldName the field for which an accessor is sought 68 * @param type the returning type of the accessor 69 * @return if get method returns an array. 70 **/ 71 public boolean returnsArray(final Class clazz, final String fieldName, final Class type) { 72 try { 73 Class array = null; 74 if (type.isArray()) { 75 array = type; 76 } else { 77 array = Array.newInstance(type, 0).getClass(); 78 } 79 // -- getMethod 80 String method = _javaNaming.getGetMethodNameForField(fieldName); 81 boolean isGet = true; 82 if (AbstractMappingLoader.findAccessor(clazz, method, array, isGet) != null) { 83 return true; 84 } 85 } catch (Exception ex) { 86 // nothing to do 87 } 88 return false; 89 } 90 91 /** 92 * Checks if any accessor for a certain field exists. 93 * 94 * @param clazz the Class to search in 95 * @param fieldName the field to search an accessor for 96 * @param type the return type the accessor should have 97 * @return true if a matching accessor could be found 98 */ 99 public boolean canFindAccessors(final Class clazz, final String fieldName, final Class type) { 100 try { 101 String methodName = null; 102 103 // -- getMethod 104 methodName = _javaNaming.getGetMethodNameForField(fieldName); 105 boolean isGet = true; 106 if (AbstractMappingLoader.findAccessor(clazz, methodName, type, isGet) != null) { 107 return true; 108 } 109 110 // -- setMethod and/or addMethod 111 isGet = false; 112 methodName = _javaNaming.getSetMethodNameForField(fieldName); 113 if (AbstractMappingLoader.findAccessor(clazz, methodName, type, isGet) != null) { 114 return true; 115 } 116 methodName = _javaNaming.getAddMethodNameForField(fieldName); 117 if (AbstractMappingLoader.findAccessor(clazz, methodName, type, isGet) != null) { 118 return true; 119 } 120 } catch (Exception ex) { 121 // nothing to do 122 } 123 return false; 124 } 125 }