| 1 | /* |
| 2 | |
| 3 | Derby - Class org.apache.derby.impl.tools.ij.AttributeHolder |
| 4 | |
| 5 | Copyright 2000, 2004 The Apache Software Foundation or its licensors, as applicable. |
| 6 | |
| 7 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | you may not use this file except in compliance with the License. |
| 9 | You may obtain a copy of the License at |
| 10 | |
| 11 | http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | |
| 13 | Unless required by applicable law or agreed to in writing, software |
| 14 | distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | See the License for the specific language governing permissions and |
| 17 | limitations under the License. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | package org.apache.derby.impl.tools.ij; |
| 23 | |
| 24 | import org.apache.derby.iapi.reference.Attribute; |
| 25 | import org.apache.derby.iapi.tools.i18n.LocalizedResource; |
| 26 | import org.apache.derby.tools.URLCheck; |
| 27 | import java.util.Locale; |
| 28 | import java.util.Vector; |
| 29 | import java.util.Properties; |
| 30 | import java.util.Enumeration; |
| 31 | import java.util.StringTokenizer; |
| 32 | import java.lang.reflect.Field; |
| 33 | import java.sql.SQLException; |
| 34 | |
| 35 | public class AttributeHolder { |
| 36 | |
| 37 | //This is an inner class. This class hold the details about each |
| 38 | //specific attribute which includes what the attribute is and |
| 39 | //any error found. |
| 40 | String name; |
| 41 | String value; |
| 42 | String token; |
| 43 | Vector errors = new Vector(); |
| 44 | |
| 45 | public String getName(){ |
| 46 | return name; |
| 47 | } |
| 48 | public void setName(String aString){ |
| 49 | name = aString; |
| 50 | } |
| 51 | public String getValue(){ |
| 52 | return value; |
| 53 | } |
| 54 | public void setValue(String aString){ |
| 55 | value = aString; |
| 56 | } |
| 57 | public String getToken(){ |
| 58 | return token; |
| 59 | } |
| 60 | public void setToken(String aString){ |
| 61 | token = aString; |
| 62 | } |
| 63 | public void addError(String aString) { |
| 64 | //Keep track of error message for later display. |
| 65 | if (!errors.contains(aString)) |
| 66 | errors.addElement(aString); |
| 67 | } |
| 68 | public void check( Vector validProps){ |
| 69 | checkName( validProps); |
| 70 | //checkValue(); |
| 71 | displayErrors(); |
| 72 | } |
| 73 | public void displayErrors(){ |
| 74 | //If no error are found then nothing is displayed. |
| 75 | Enumeration e = errors.elements(); |
| 76 | //In the first line, show the exact token that was parsed from |
| 77 | //the URL. |
| 78 | if (e.hasMoreElements()) |
| 79 | display(LocalizedResource.getMessage("TL_urlLabel1", "[", getToken(), "]")); |
| 80 | //Show all errors. More than one error can be found for an attribute. |
| 81 | while (e.hasMoreElements()){ |
| 82 | String aString = (String)e.nextElement(); |
| 83 | displayIndented(aString); |
| 84 | } |
| 85 | } |
| 86 | public void checkName( Vector validProps){ |
| 87 | if( validProps == null) |
| 88 | return; // valid properties are unknown |
| 89 | String anAtt = getName(); |
| 90 | try { |
| 91 | //Check the found name against valid names. |
| 92 | if (!validProps.contains(anAtt)) { |
| 93 | //Check for case spelling of the name. |
| 94 | if (validProps.contains(anAtt.toLowerCase(java.util.Locale.ENGLISH))) { |
| 95 | errors.addElement(LocalizedResource.getMessage("TL_incorCase")); |
| 96 | } |
| 97 | //Check if this is even a valid attribute name. |
| 98 | else { |
| 99 | errors.addElement(LocalizedResource.getMessage("TL_unknownAtt")); |
| 100 | } |
| 101 | } |
| 102 | else { |
| 103 | //This Is a valid attribute. |
| 104 | } |
| 105 | } |
| 106 | catch (Exception ex) { |
| 107 | ex.printStackTrace(); |
| 108 | } |
| 109 | } |
| 110 | public void checkValue(){ |
| 111 | String anAtt = getName(); |
| 112 | String aValue = getValue(); |
| 113 | try { |
| 114 | //Check all attribute that require a boolean. |
| 115 | if (URLCheck.getBooleanAttributes().contains(anAtt)) { |
| 116 | if (!checkBoolean(aValue)) { |
| 117 | errors.addElement(LocalizedResource.getMessage("TL_trueFalse")); |
| 118 | } |
| 119 | } |
| 120 | } |
| 121 | catch (Exception ex) { |
| 122 | ex.printStackTrace(); |
| 123 | } |
| 124 | } |
| 125 | public boolean checkBoolean(String aValue) { |
| 126 | if (aValue == null) |
| 127 | return false; |
| 128 | return aValue.toLowerCase(Locale.ENGLISH).equals("true") || |
| 129 | aValue.toLowerCase(Locale.ENGLISH).equals("false"); |
| 130 | } |
| 131 | public void display(String aString) { |
| 132 | LocalizedResource.OutputWriter().println(aString); |
| 133 | } |
| 134 | public void displayIndented(String aString) { |
| 135 | LocalizedResource.OutputWriter().println(" " + aString); |
| 136 | } |
| 137 | } |