diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/ioutils/RuleBasedReaderPragmas.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/ioutils/RuleBasedReaderPragmas.java | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/ioutils/RuleBasedReaderPragmas.java b/BJC-Utils2/src/main/java/bjc/utils/ioutils/RuleBasedReaderPragmas.java deleted file mode 100644 index e26a7ee..0000000 --- a/BJC-Utils2/src/main/java/bjc/utils/ioutils/RuleBasedReaderPragmas.java +++ /dev/null @@ -1,100 +0,0 @@ -package bjc.utils.ioutils; - -import java.util.function.BiConsumer; - -import bjc.utils.exceptions.PragmaFormatException; -import bjc.utils.funcdata.FunctionalStringTokenizer; -import bjc.utils.funcutils.ListUtils; - -/** - * Contains factory methods for common pragma types - * - * @author ben - * - */ -public class RuleBasedReaderPragmas { - - /** - * Creates a pragma that takes a single integer argument - * - * @param <StateType> - * The type of state that goes along with this pragma - * @param name - * The name of this pragma, for error message purpose - * @param consumer - * The function to invoke with the parsed integer - * @return A pragma that functions as described above. - */ - public static <StateType> BiConsumer<FunctionalStringTokenizer, StateType> buildInteger(final String name, - final BiConsumer<Integer, StateType> consumer) { - return (tokenizer, state) -> { - /* - * Check our input is correct - */ - if (!tokenizer.hasMoreTokens()) { - String fmt = "Pragma %s requires one integer argument"; - - throw new PragmaFormatException(String.format(fmt, name)); - } - - /* - * Read the argument - */ - final String token = tokenizer.nextToken(); - - try { - /* - * Run the pragma - */ - consumer.accept(Integer.parseInt(token), state); - } catch (final NumberFormatException nfex) { - /* - * Tell the user their argument isn't correct - */ - String fmt = "Argument %s to %s pragma isn't a valid integer, and this pragma requires an integer argument."; - - final PragmaFormatException pfex = new PragmaFormatException(String.format(fmt, token, name)); - - pfex.initCause(nfex); - - throw pfex; - } - }; - } - - /** - * Creates a pragma that takes any number of arguments and collapses - * them all into a single string - * - * @param <StateType> - * The type of state that goes along with this pragma - * @param name - * The name of this pragma, for error message purpose - * @param consumer - * The function to invoke with the parsed string - * @return A pragma that functions as described above. - */ - public static <StateType> BiConsumer<FunctionalStringTokenizer, StateType> buildStringCollapser( - final String name, final BiConsumer<String, StateType> consumer) { - return (tokenizer, state) -> { - /* - * Check our input - */ - if (!tokenizer.hasMoreTokens()) { - String fmt = "Pragma %s requires one or more string arguments."; - - throw new PragmaFormatException(String.format(fmt, name)); - } - - /* - * Build our argument - */ - final String collapsed = ListUtils.collapseTokens(tokenizer.toList()); - - /* - * Run the pragma - */ - consumer.accept(collapsed, state); - }; - } -} |
