*/
public abstract class Util
{
- /**
- * Concatenate two arrays into a single array.
- * @param a First array.
- * @param b Second array.
- * @return The combined array.
- */
- public static <T> T[] concat(T[] a, T[] b)
- {
- T[] result = Arrays.copyOf(a, a.length + b.length);
- System.arraycopy(b, 0, result, a.length, b.length);
- return result;
- }
+ /**
+ * Concatenate two arrays into a single array.
+ * @param a First array.
+ * @param b Second array.
+ * @return The combined array.
+ */
+ public static <T> T[] concat(T[] a, T[] b)
+ {
+ T[] result = Arrays.copyOf(a, a.length + b.length);
+ System.arraycopy(b, 0, result, a.length, b.length);
+ return result;
+ }
- /**
- * Combined string elements from two arrays into a single array, gluing
- * together elements of the same index with a delimiter string.
- * @param a First string array.
- * @param b Second string array.
- * @param glue The delimiter string.
- * @return The combined array.
- */
- public static String[] combine(String[] a, String[] b, String glue)
- {
- String[] result = new String[Math.min(a.length, b.length)];
- for (int i = 0; i < result.length; ++i)
- {
- result[i] = a[i] + glue + b[i];
- }
- return result;
- }
+ /**
+ * Combined string elements from two arrays into a single array, gluing
+ * together elements of the same index with a delimiter string.
+ * @param a First string array.
+ * @param b Second string array.
+ * @param glue The delimiter string.
+ * @return The combined array.
+ */
+ public static String[] combine(String[] a, String[] b, String glue)
+ {
+ String[] result = new String[Math.min(a.length, b.length)];
+ for (int i = 0; i < result.length; ++i)
+ {
+ result[i] = a[i] + glue + b[i];
+ }
+ return result;
+ }
- /**
- * Join the elements of a string array with a delimiter.
- * @param a The array.
- * @param glue The delimiter string.
- * @return The joined string.
- */
- public static String join(String[] a, String glue)
- {
- if (a.length == 0) return "";
- StringBuilder result = new StringBuilder();
- result.append(a[0]);
- for (int i = 1; i < a.length; ++i) result.append(glue).append(a[i]);
- return result.toString();
- }
+ /**
+ * Join the elements of a string array with a delimiter.
+ * @param a The array.
+ * @param glue The delimiter string.
+ * @return The joined string.
+ */
+ public static String join(String[] a, String glue)
+ {
+ if (a.length == 0) return "";
+ StringBuilder result = new StringBuilder();
+ result.append(a[0]);
+ for (int i = 1; i < a.length; ++i) result.append(glue).append(a[i]);
+ return result.toString();
+ }
- /**
- * Escape a string by replacing prepending backslashes and double
- * quotation characters with an extra backslash.
- * @param The string to be escaped.
- * @return The escaped string.
- */
- public static String escape(String a)
- {
- a = a.replaceAll("\\\\", "\\\\\\\\");
- a = a.replaceAll("\"", "\\\\\\\"");
- return a;
- }
+ /**
+ * Escape a string by replacing prepending backslashes and double
+ * quotation characters with an extra backslash.
+ * @param The string to be escaped.
+ * @return The escaped string.
+ */
+ public static String escape(String a)
+ {
+ a = a.replaceAll("\\\\", "\\\\\\\\");
+ a = a.replaceAll("\"", "\\\\\\\"");
+ return a;
+ }
- /**
- * Simply read a file's contents into a string object.
- * @param file The file to read.
- * @return The contents of the file.
- * @throws IOException If the file is not readable.
- */
- public static String readFile(File file) throws IOException
- {
- StringBuilder text = new StringBuilder();
+ /**
+ * Simply read a file's contents into a string object.
+ * @param file The file to read.
+ * @return The contents of the file.
+ * @throws IOException If the file is not readable.
+ */
+ public static String readFile(File file) throws IOException
+ {
+ StringBuilder text = new StringBuilder();
- BufferedReader reader = new BufferedReader(new FileReader(file.getPath()));
- try
- {
- String line = null;
+ BufferedReader reader = new BufferedReader(new FileReader(file.getPath()));
+ try
+ {
+ String line = null;
- while ((line = reader.readLine()) != null)
- {
- text.append(line + System.getProperty("line.separator"));
- }
- }
- finally
- {
- reader.close();
- }
+ while ((line = reader.readLine()) != null)
+ {
+ text.append(line + System.getProperty("line.separator"));
+ }
+ }
+ finally
+ {
+ reader.close();
+ }
- return text.toString().replaceAll("\n", System.getProperty("line.separator"));
- }
+ return text.toString().replaceAll("\n", System.getProperty("line.separator"));
+ }
- /**
- * Read a resource file into a string object.
- * The resources should be placed in the directory `resources'
- * underneath the parent directory of this class. Reading resources
- * packaged in a jar is allowable.
- * @param path Relative path to the resource.
- * @return The contents of the resource.
- * @throws IOException If the resource is not readable.
- */
- public static String readResource(String path) throws IOException
- {
- StringBuilder text = new StringBuilder();
+ /**
+ * Read a resource file into a string object.
+ * The resources should be placed in the directory `resources'
+ * underneath the parent directory of this class. Reading resources
+ * packaged in a jar is allowable.
+ * @param path Relative path to the resource.
+ * @return The contents of the resource.
+ * @throws IOException If the resource is not readable.
+ */
+ public static String readResource(String path) throws IOException
+ {
+ StringBuilder text = new StringBuilder();
- InputStream stream = Util.class.getResourceAsStream("resources/" + path);
- if (stream != null)
- {
- try
- {
- byte[] buffer = new byte[4096];
- int numBytes = 0;
- while (0 < (numBytes = stream.read(buffer)))
- {
- text.append(new String(buffer, 0, numBytes));
- }
- }
- finally
- {
- stream.close();
- }
- }
+ InputStream stream = Util.class.getResourceAsStream("resources/" + path);
+ if (stream != null)
+ {
+ try
+ {
+ byte[] buffer = new byte[4096];
+ int numBytes = 0;
+ while (0 < (numBytes = stream.read(buffer)))
+ {
+ text.append(new String(buffer, 0, numBytes));
+ }
+ }
+ finally
+ {
+ stream.close();
+ }
+ }
- return text.toString().replaceAll("\n", System.getProperty("line.separator"));
- }
+ return text.toString().replaceAll("\n", System.getProperty("line.separator"));
+ }
- /**
- * The poor man's template package.
- * Provide a template and a map of terms to build the result with the
- * terms expanded into the template. Terms in the template should
- * appear surrounded with dollar signs. For example, if $MYTERM$
- * appears in the template, it will be replaced by the value into the
- * terms map with the key MYTERM (if it exists in the map).
- * @param template The template string.
- * @param terms A map of key/value terms.
- * @return The string expanded from the template and terms.
- */
- public static String expandTemplate(String template, Map<String,String> terms)
- {
- String text = template;
- for (String key : terms.keySet())
- {
- text = text.replaceAll("\\$" + key + "\\$", Util.escape(terms.get(key)));
- }
- return text;
- }
+ /**
+ * The poor man's template package.
+ * Provide a template and a map of terms to build the result with the
+ * terms expanded into the template. Terms in the template should
+ * appear surrounded with dollar signs. For example, if $MYTERM$
+ * appears in the template, it will be replaced by the value into the
+ * terms map with the key MYTERM (if it exists in the map).
+ * @param template The template string.
+ * @param terms A map of key/value terms.
+ * @return The string expanded from the template and terms.
+ */
+ public static String expandTemplate(String template, Map<String,String> terms)
+ {
+ String text = template;
+ for (String key : terms.keySet())
+ {
+ text = text.replaceAll("\\$" + key + "\\$", Util.escape(terms.get(key)));
+ }
+ return text;
+ }
}
-// vim:noet:ts=8
+// vim:et:ts=8:sts=4:sw=4
projects / chaz / vimcoder / blobdiff