1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | package Torello.JavaDoc; import Torello.HTML.*; import Torello.HTML.NodeSearch.*; import Torello.Java.StrCmpr; import java.util.*; /** * Exception that may be thrown when erroneous-input is provided to internal-class * <B>{@code Details}</B> or <B>{@link ReflHTML}</B>. These classes throw exceptions, rather than * printing errors to the messager, since they may be called, externally, by the end-users. Those * classes are not strictly limited to internal-use. * * @see ReflHTML */ public class DetailsException extends IllegalArgumentException { /** <EMBED CLASS='external-html' DATA-FILE-ID=SVUIDEX> */ public static final long serialVersionUID = 1; /** * This is a helpful message explaining how to ensure that a sub-section of a vectorized-HTML * Documentation Web-Page is properly formatted according to the 'details' section of a * Java-Doc page. */ protected static final String PLEASE_USE = "Please use the Details iterator(); Methods to retrieve a details section for a " + "Method, Field, Constructor or Enumerated-Constant."; /** * This is the message used for explaining how to retrieve an iterator of the 'details' * section for an Annotation Java-Doc page. */ protected static final String PLEASE_USE_ANNOT = "Please use the Details iterator(); Methods to retrieve a details section for " + "the Annotation Elements."; /** Constructs a {@code DetailsException} with no detail message. */ public DetailsException() { super(); } /** * Constructs a {@code DetailsException} with the specified detail message. * @param message the detail message. */ public DetailsException(String message) { super(message); } /** * Constructs a new exception with the specified detail message and cause. * * <BR /><BR /><B CLASS=JDDescLabel>NOTE:</B> * * <BR /><BR />The detail message associated with cause is not automatically incorporated into * this exception's detail message. * * @param message The detail message (which is saved for later retrieval by the * {@code Throwable.getMessage()} method). * * @param cause the cause (which is saved for later retrieval by the * {@code Throwable.getCause()} method). (A null value is permitted, and indicates that the * cause is nonexistent or unknown.) */ public DetailsException(String message, Throwable cause) { super(message, cause); } /** * Constructs a new exception with the specified cause and a detail message of * {@code (cause==null ? null : cause.toString())} (which typically contains the class and * detail message of cause). * * <BR /><BR />This constructor is useful for exceptions that are little more than wrappers for * other throwables. * * @param cause The cause (which is saved for later retrieval by the * {@code Throwable.getCause()} method). (A null value is permitted, and indicates that the * cause is nonexistent or unknown.) */ public DetailsException(Throwable cause) { super(cause); } /** * This check method is used to ensure that a passed-parameter vectorized-HTML sub-page to one * of the {@code DetailsPartMethods, DetailsPartConstructors} or {@code DetailsPartFields} is a * properly formatted HTML Sub-Section. The purpose of the iterators within {@code class * Details} is to retrieve the <I>individual, detailed</I> descriptions for the fields, methods * and constructors from an HTML Page generated by the Java-Doc tool. This exception class will * do some <I>simple, basic</I> parameter checking to ensure that the proper parameters are * passed. The priority is to provide more useable and meaningful error information. * * @param details This is supposed to be the return value from a call to the * {@code HNLIInclusive iter.next()} method. The iterator should be one returned from the * {@code class Details} iterator' methods. If it was, then it should a guarantee that the * section is properly formatted, because it would have been retrieved from a JavaDoc HTML * page. * * @throws DetailsException This exception shall throw if any of the requirements of the * section have not been met. * * @see StrCmpr * @see TagNode */ public static void check(Vector<HTMLNode> details) { TagNode first = null; TagNode last = null; // Ensure that the section is not null. if (details == null) throw new NullPointerException ("The vectorized-HTML section vector-reference was null."); // There should quite a number of elements in this vector, besides the beginning and // ending <UL>...</UL> elements. if (details.size() < 3) throw new DetailsException( "The vectorized-HTML section parameter has v.size()=" + details.size() + ". This is not sufficient. " + PLEASE_USE ); // All Details Elements begin with <ul class='blockList'> or <ul class='blockListLast'> try { first = (TagNode) details.elementAt(0); } catch (ClassCastException e) { throw new DetailsException( "This vectorized-HTML section does not begin with a TagNode element. " + "It begins with [" + first.str + "]" + PLEASE_USE ); } // All Details Elements end with </ul> try { last = (TagNode) details.elementAt(details.size() - 1); } catch (ClassCastException e) { throw new DetailsException( "This vectorized-HTML section does not end with a TagNode element. " + "It ends with [" + last.str + "]" + PLEASE_USE ); } // All Details Elements begin with <ul class='blockList'> or <ul class='blockListLast'> if ((! first.tok.equals("ul")) || first.isClosing) throw new DetailsException( "The first node of the vectorized-HTML section is not an Opening <UL> Element. " + "It is a [" + first.str + "]. " + PLEASE_USE ); // All Details Elements end with </ul> if ((! last.tok.equals("ul")) || (! last.isClosing)) throw new DetailsException( "The last node of the vectorized-HTML section is not a Closing </UL> Element. " + "It is a [" + last.str + "]. " + PLEASE_USE ); // All Details Elements begin with <ul class='blockList'> or <ul class='blockListLast'> if (! StrCmpr.containsOR_CI(first.AV("class"), "blockList", "blockListLast")) throw new DetailsException( "The first node of the vectorized-HTML section is not an Opening <UL> Element " + "with 'class' attribute containing string: 'blockList' or 'blockListLast.' " + "Instead it is: [" + first.str + "]." ); } /** * This check method is used to ensure that a passed-parameter vectorized-HTML sub-page is * correct. * * <BR /><BR /><B STYLE='color:red;'>NOTE:</B> The Annotation-Element Details are just ever * so slightly different than they are for the other four types of details (Methods, * Constructors, Fields, and Enumerated-Constants). The Annotation-Element Iterator returns * HTML {@code <SECTION>} elements instead! * * @param details This is supposed to be the return value from a call to the * {@code HNLIInclusive iter.next()} method. The iterator should be one returned from the * {@code class Details} methods retreiving an Annotation-Element Iterator. * * @throws DetailsException This exception shall throw if any of the requirements of the * section have not been met. * * @see StrCmpr * @see TagNode */ public static void checkAnnotation(Vector<HTMLNode> details) { TagNode first = null; TagNode last = null; // Ensure that the section is not null. if (details == null) throw new NullPointerException ("The vectorized-HTML section vector-reference was null."); // There should quite a number of elements in this vector, besides the beginning and // ending <UL>...</UL> elements. if (details.size() < 3) throw new DetailsException( "The vectorized-HTML section parameter has v.size()=" + details.size() + ". This is not sufficient. " + PLEASE_USE ); // All Details Elements begin with <ul class='blockList'> or <ul class='blockListLast'> try { first = (TagNode) details.elementAt(0); } catch (ClassCastException e) { throw new DetailsException( "This vectorized-HTML section does not begin with a TagNode element. " + "It begins with [" + first.str + "]" + PLEASE_USE_ANNOT ); } // All Details Elements end with </ul> try { last = (TagNode) details.elementAt(details.size() - 1); } catch (ClassCastException e) { throw new DetailsException( "This vectorized-HTML section does not end with a TagNode element. " + "It ends with [" + last.str + "]" + PLEASE_USE_ANNOT ); } // All Details Elements begin with <ul class='blockList'> or <ul class='blockListLast'> if ((! first.tok.equals("section")) || first.isClosing) throw new DetailsException( "The first node of the vectorized-HTML section is not an Opening <SECTION> " + "Element. It is a [" + first.str + "]. " + PLEASE_USE_ANNOT ); // All Details Elements end with </ul> if ((! last.tok.equals("section")) || (! last.isClosing)) throw new DetailsException( "The last node of the vectorized-HTML section is not a Closing </SECTION> " + "Element. It is a [" + last.str + "]. " + PLEASE_USE_ANNOT ); // All Details Elements begin with <ul class='blockList'> or <ul class='blockListLast'> if (! StrCmpr.containsOR_CI(first.AV("role"), "region")) throw new DetailsException( "The first node of the vectorized-HTML section is not an Opening <SECTION> " + "element with 'role' attribute containing string: 'region.' " + "Instead it is: [" + first.str + "]." ); } } |