diff options
| author | Benjamin J. Culkin <bjculkin@mix.wvu.edu> | 2017-10-08 22:39:59 -0300 |
|---|---|---|
| committer | Benjamin J. Culkin <bjculkin@mix.wvu.edu> | 2017-10-08 22:39:59 -0300 |
| commit | c82e3b3b2de0633317ec8fc85925e91422820597 (patch) | |
| tree | 96567416ce23c5ce85601f9cedc3a94bb1c55cba /BJC-Utils2/src/main/java/bjc/utils/funcdata/FunctionalStringTokenizer.java | |
| parent | b3ac1c8690c3e14c879913e5dcc03a5f5e14876e (diff) | |
Start splitting into maven modules
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/funcdata/FunctionalStringTokenizer.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/funcdata/FunctionalStringTokenizer.java | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/funcdata/FunctionalStringTokenizer.java b/BJC-Utils2/src/main/java/bjc/utils/funcdata/FunctionalStringTokenizer.java deleted file mode 100644 index e068b46..0000000 --- a/BJC-Utils2/src/main/java/bjc/utils/funcdata/FunctionalStringTokenizer.java +++ /dev/null @@ -1,159 +0,0 @@ -package bjc.utils.funcdata; - -import java.util.StringTokenizer; -import java.util.function.Consumer; -import java.util.function.Function; - -/** - * A string tokenizer that exposes a functional interface - * - * @author ben - * - */ -public class FunctionalStringTokenizer { - /** - * Create a new tokenizer from the specified string. - * - * @param strang - * The string to create a tokenizer from. - * @return A new tokenizer that splits the provided string on spaces. - */ - public static FunctionalStringTokenizer fromString(final String strang) { - if (strang == null) throw new NullPointerException("String to tokenize must be non-null"); - - return new FunctionalStringTokenizer(new StringTokenizer(strang, " ")); - } - - /* - * The string tokenizer being driven - */ - private final StringTokenizer input; - - /** - * Create a functional string tokenizer from a given string - * - * @param inp - * The string to tokenize - */ - public FunctionalStringTokenizer(final String inp) { - if (inp == null) throw new NullPointerException("String to tokenize must be non-null"); - - this.input = new StringTokenizer(inp); - } - - /** - * Create a functional string tokenizer from a given string and set of - * separators - * - * @param input - * The string to tokenize - * @param seperators - * The set of separating tokens to use for splitting - */ - public FunctionalStringTokenizer(final String input, final String seperators) { - if (input == null) - throw new NullPointerException("String to tokenize must not be null"); - else if (seperators == null) throw new NullPointerException("Tokens to split on must not be null"); - - this.input = new StringTokenizer(input, seperators); - } - - /** - * Create a functional string tokenizer from a non-functional one - * - * @param toWrap - * The non-functional string tokenizer to wrap - */ - public FunctionalStringTokenizer(final StringTokenizer toWrap) { - if (toWrap == null) throw new NullPointerException("Wrapped tokenizer must not be null"); - - this.input = toWrap; - } - - /** - * Execute a provided action for each of the remaining tokens - * - * @param action - * The action to execute for each token - */ - public void forEachToken(final Consumer<String> action) { - if (action == null) throw new NullPointerException("Action must not be null"); - - while (input.hasMoreTokens()) { - action.accept(input.nextToken()); - } - } - - /** - * Get the string tokenizer encapsulated by this tokenizer - * - * @return The encapsulated tokenizer - */ - public StringTokenizer getInternal() { - return input; - } - - /** - * Check if this tokenizer has more tokens - * - * @return Whether or not this tokenizer has more tokens - */ - public boolean hasMoreTokens() { - return input.hasMoreTokens(); - } - - /** - * Return the next token from the tokenizer. - * - * Returns null if no more tokens are available - * - * @return The next token from the tokenizer - */ - public String nextToken() { - if (input.hasMoreTokens()) // Return the next available token - return input.nextToken(); - - // Return no token - return null; - } - - /** - * Convert this tokenizer into a list of strings - * - * @return This tokenizer, converted into a list of strings - */ - public IList<String> toList() { - return toList((final String element) -> element); - } - - /** - * Convert the contents of this tokenizer into a list. Consumes all of - * the input from this tokenizer. - * - * @param <E> - * The type of the converted tokens - * - * @param transformer - * The function to use to convert tokens. - * @return A list containing all of the converted tokens. - */ - public <E> IList<E> toList(final Function<String, E> transformer) { - if (transformer == null) throw new NullPointerException("Transformer must not be null"); - - final IList<E> returned = new FunctionalList<>(); - - // Add each token to the list after transforming it - forEachToken(token -> { - final E transformedToken = transformer.apply(token); - - returned.add(transformedToken); - }); - - return returned; - } - - @Override - public String toString() { - return String.format("FunctionalStringTokenizer [input=%s]", input); - } -} |
