Merge branch 'subtree'
[fanfix.git] / src / be / nikiroo / utils / StringUtils.java
index acd632aa1968c50fa631131b3f9b216da6e2f001..be1c654502f58bd91554873a0b241876837a33c0 100644 (file)
@@ -1,7 +1,10 @@
 package be.nikiroo.utils;
 
 import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.UnsupportedEncodingException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -9,14 +12,23 @@ import java.text.Normalizer;
 import java.text.Normalizer.Form;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.util.AbstractMap;
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Date;
-import java.util.Scanner;
+import java.util.List;
+import java.util.Map.Entry;
 import java.util.regex.Pattern;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
 
 import org.unbescape.html.HtmlEscape;
 import org.unbescape.html.HtmlEscapeLevel;
 import org.unbescape.html.HtmlEscapeType;
 
+import be.nikiroo.utils.streams.Base64InputStream;
+import be.nikiroo.utils.streams.Base64OutputStream;
+
 /**
  * This class offer some utilities based around {@link String}s.
  * 
@@ -25,19 +37,49 @@ import org.unbescape.html.HtmlEscapeType;
 public class StringUtils {
        /**
         * This enum type will decide the alignment of a {@link String} when padding
-        * is applied or if there is enough horizontal space for it to be aligned.
+        * or justification is applied (if there is enough horizontal space for it
+        * to be aligned).
         */
        public enum Alignment {
                /** Aligned at left. */
-               Beginning,
+               LEFT,
                /** Centered. */
-               Center,
+               CENTER,
                /** Aligned at right. */
-               End
+               RIGHT,
+               /** Full justified (to both left and right). */
+               JUSTIFY,
+
+               // Old Deprecated values:
+
+               /** DEPRECATED: please use LEFT. */
+               @Deprecated
+               Beginning,
+               /** DEPRECATED: please use CENTER. */
+               @Deprecated
+               Center,
+               /** DEPRECATED: please use RIGHT. */
+               @Deprecated
+               End;
+
+               /**
+                * Return the non-deprecated version of this enum if needed (or return
+                * self if not).
+                * 
+                * @return the non-deprecated value
+                */
+               Alignment undeprecate() {
+                       if (this == Beginning)
+                               return LEFT;
+                       if (this == Center)
+                               return CENTER;
+                       if (this == End)
+                               return RIGHT;
+                       return this;
+               }
        }
 
-       static private Pattern marks = Pattern
-                       .compile("[\\p{InCombiningDiacriticalMarks}\\p{IsLm}\\p{IsSk}]+");
+       static private Pattern marks = getMarks();
 
        /**
         * Fix the size of the given {@link String} either with space-padding or by
@@ -75,9 +117,11 @@ public class StringUtils {
                        Alignment align) {
 
                if (align == null) {
-                       align = Alignment.Beginning;
+                       align = Alignment.LEFT;
                }
 
+               align = align.undeprecate();
+
                if (width >= 0) {
                        if (text == null)
                                text = "";
@@ -88,23 +132,23 @@ public class StringUtils {
                                if (cut)
                                        text = text.substring(0, width);
                        } else if (diff > 0) {
-                               if (diff < 2 && align != Alignment.End)
-                                       align = Alignment.Beginning;
+                               if (diff < 2 && align != Alignment.RIGHT)
+                                       align = Alignment.LEFT;
 
                                switch (align) {
-                               case Beginning:
-                                       text = text + new String(new char[diff]).replace('\0', ' ');
-                                       break;
-                               case End:
+                               case RIGHT:
                                        text = new String(new char[diff]).replace('\0', ' ') + text;
                                        break;
-                               case Center:
-                               default:
+                               case CENTER:
                                        int pad1 = (diff) / 2;
                                        int pad2 = (diff + 1) / 2;
                                        text = new String(new char[pad1]).replace('\0', ' ') + text
                                                        + new String(new char[pad2]).replace('\0', ' ');
                                        break;
+                               case LEFT:
+                               default:
+                                       text = text + new String(new char[diff]).replace('\0', ' ');
+                                       break;
                                }
                        }
                }
@@ -112,6 +156,201 @@ public class StringUtils {
                return text;
        }
 
+       /**
+        * Justify a text into width-sized (at the maximum) lines and return all the
+        * lines concatenated into a single '\\n'-separated line of text.
+        * 
+        * @param text
+        *            the {@link String} to justify
+        * @param width
+        *            the maximum size of the resulting lines
+        * 
+        * @return a list of justified text lines concatenated into a single
+        *         '\\n'-separated line of text
+        */
+       static public String justifyTexts(String text, int width) {
+               StringBuilder builder = new StringBuilder();
+               for (String line : justifyText(text, width, null)) {
+                       if (builder.length() > 0) {
+                               builder.append('\n');
+                       }
+                       builder.append(line);
+               }
+
+               return builder.toString();
+       }
+
+       /**
+        * Justify a text into width-sized (at the maximum) lines.
+        * 
+        * @param text
+        *            the {@link String} to justify
+        * @param width
+        *            the maximum size of the resulting lines
+        * 
+        * @return a list of justified text lines
+        */
+       static public List<String> justifyText(String text, int width) {
+               return justifyText(text, width, null);
+       }
+
+       /**
+        * Justify a text into width-sized (at the maximum) lines.
+        * 
+        * @param text
+        *            the {@link String} to justify
+        * @param width
+        *            the maximum size of the resulting lines
+        * @param align
+        *            align the lines in this position (default is
+        *            Alignment.Beginning)
+        * 
+        * @return a list of justified text lines
+        */
+       static public List<String> justifyText(String text, int width,
+                       Alignment align) {
+               if (align == null) {
+                       align = Alignment.LEFT;
+               }
+
+               align = align.undeprecate();
+
+               switch (align) {
+               case CENTER:
+                       return StringJustifier.center(text, width);
+               case RIGHT:
+                       return StringJustifier.right(text, width);
+               case JUSTIFY:
+                       return StringJustifier.full(text, width);
+               case LEFT:
+               default:
+                       return StringJustifier.left(text, width);
+               }
+       }
+
+       /**
+        * Justify a text into width-sized (at the maximum) lines.
+        * 
+        * @param text
+        *            the {@link String} to justify
+        * @param width
+        *            the maximum size of the resulting lines
+        * 
+        * @return a list of justified text lines
+        */
+       static public List<String> justifyText(List<String> text, int width) {
+               return justifyText(text, width, null);
+       }
+
+       /**
+        * Justify a text into width-sized (at the maximum) lines.
+        * 
+        * @param text
+        *            the {@link String} to justify
+        * @param width
+        *            the maximum size of the resulting lines
+        * @param align
+        *            align the lines in this position (default is
+        *            Alignment.Beginning)
+        * 
+        * @return a list of justified text lines
+        */
+       static public List<String> justifyText(List<String> text, int width,
+                       Alignment align) {
+               List<String> result = new ArrayList<String>();
+
+               // Content <-> Bullet spacing (null = no spacing)
+               List<Entry<String, String>> lines = new ArrayList<Entry<String, String>>();
+               StringBuilder previous = null;
+               StringBuilder tmp = new StringBuilder();
+               String previousItemBulletSpacing = null;
+               String itemBulletSpacing = null;
+               for (String inputLine : text) {
+                       boolean previousLineComplete = true;
+
+                       String current = inputLine.replace("\t", "    ");
+                       itemBulletSpacing = getItemSpacing(current);
+                       boolean bullet = isItemLine(current);
+                       if ((previousItemBulletSpacing == null || itemBulletSpacing
+                                       .length() <= previousItemBulletSpacing.length()) && !bullet) {
+                               itemBulletSpacing = null;
+                       }
+
+                       if (itemBulletSpacing != null) {
+                               current = current.trim();
+                               if (!current.isEmpty() && bullet) {
+                                       current = current.substring(1);
+                               }
+                               current = current.trim();
+                               previousLineComplete = bullet;
+                       } else {
+                               tmp.setLength(0);
+                               for (String word : current.split(" ")) {
+                                       if (word.isEmpty()) {
+                                               continue;
+                                       }
+
+                                       if (tmp.length() > 0) {
+                                               tmp.append(' ');
+                                       }
+                                       tmp.append(word.trim());
+                               }
+                               current = tmp.toString();
+
+                               previousLineComplete = current.isEmpty()
+                                               || previousItemBulletSpacing != null
+                                               || (previous != null && isFullLine(previous))
+                                               || isHrLine(current) || isHrLine(previous);
+                       }
+
+                       if (previous == null) {
+                               previous = new StringBuilder();
+                       } else {
+                               if (previousLineComplete) {
+                                       lines.add(new AbstractMap.SimpleEntry<String, String>(
+                                                       previous.toString(), previousItemBulletSpacing));
+                                       previous.setLength(0);
+                                       previousItemBulletSpacing = itemBulletSpacing;
+                               } else {
+                                       previous.append(' ');
+                               }
+                       }
+
+                       previous.append(current);
+
+               }
+
+               if (previous != null) {
+                       lines.add(new AbstractMap.SimpleEntry<String, String>(previous
+                                       .toString(), previousItemBulletSpacing));
+               }
+
+               for (Entry<String, String> line : lines) {
+                       String content = line.getKey();
+                       String spacing = line.getValue();
+
+                       String bullet = "- ";
+                       if (spacing == null) {
+                               bullet = "";
+                               spacing = "";
+                       }
+
+                       if (spacing.length() > width + 3) {
+                               spacing = "";
+                       }
+
+                       for (String subline : StringUtils.justifyText(content, width
+                                       - (spacing.length() + bullet.length()), align)) {
+                               result.add(spacing + bullet + subline);
+                               if (!bullet.isEmpty()) {
+                                       bullet = "  ";
+                               }
+                       }
+               }
+
+               return result;
+       }
+
        /**
         * Sanitise the given input to make it more Terminal-friendly by removing
         * combining characters.
@@ -146,7 +385,9 @@ public class StringUtils {
 
                if (removeAllAccents) {
                        input = Normalizer.normalize(input, Form.NFKD);
-                       input = marks.matcher(input).replaceAll("");
+                       if (marks != null) {
+                               input = marks.matcher(input).replaceAll("");
+                       }
                }
 
                input = Normalizer.normalize(input, Form.NFKC);
@@ -195,15 +436,15 @@ public class StringUtils {
         *            the time as a {@link String}
         * 
         * @return the number of milliseconds since the standard base time known as
-        *         "the epoch", namely January 1, 1970, 00:00:00 GMT
+        *         "the epoch", namely January 1, 1970, 00:00:00 GMT, or -1 in case
+        *         of error
+        * 
+        * @throws ParseException
+        *             in case of parse error
         */
-       static public long toTime(String displayTime) {
+       static public long toTime(String displayTime) throws ParseException {
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-               try {
-                       return sdf.parse(displayTime).getTime();
-               } catch (ParseException e) {
-                       return -1;
-               }
+               return sdf.parse(displayTime).getTime();
        }
 
        /**
@@ -213,11 +454,14 @@ public class StringUtils {
         *            the input data
         * 
         * @return the hash
+        * 
+        * @deprecated please use {@link HashUtils}
         */
+       @Deprecated
        static public String getMd5Hash(String input) {
                try {
                        MessageDigest md = MessageDigest.getInstance("MD5");
-                       md.update(input.getBytes("UTF-8"));
+                       md.update(getBytes(input));
                        byte byteData[] = md.digest();
 
                        StringBuffer hexString = new StringBuffer();
@@ -231,8 +475,6 @@ public class StringUtils {
                        return hexString.toString();
                } catch (NoSuchAlgorithmException e) {
                        return input;
-               } catch (UnsupportedEncodingException e) {
-                       return input;
                }
        }
 
@@ -300,25 +542,624 @@ public class StringUtils {
                                HtmlEscapeLevel.LEVEL_1_ONLY_MARKUP_SIGNIFICANT);
        }
 
-       public static String zip64(String data) {
+       /**
+        * Zip the data and then encode it into Base64.
+        * 
+        * @param data
+        *            the data
+        * 
+        * @return the Base64 zipped version
+        * 
+        * @throws IOException
+        *             in case of I/O error
+        */
+       public static String zip64(String data) throws IOException {
+               try {
+                       return zip64(getBytes(data));
+               } catch (UnsupportedEncodingException e) {
+                       // All conforming JVM are required to support UTF-8
+                       e.printStackTrace();
+                       return null;
+               }
+       }
+
+       /**
+        * Zip the data and then encode it into Base64.
+        * 
+        * @param data
+        *            the data
+        * 
+        * @return the Base64 zipped version
+        * 
+        * @throws IOException
+        *             in case of I/O error
+        */
+       public static String zip64(byte[] data) throws IOException {
+               // 1. compress
+               ByteArrayOutputStream bout = new ByteArrayOutputStream();
+               try {
+                       OutputStream out = new GZIPOutputStream(bout);
+                       try {
+                               out.write(data);
+                       } finally {
+                               out.close();
+                       }
+               } finally {
+                       data = bout.toByteArray();
+                       bout.close();
+               }
+
+               // 2. base64
+               InputStream in = new ByteArrayInputStream(data);
+               try {
+                       in = new Base64InputStream(in, true);
+                       return new String(IOUtils.toByteArray(in), "UTF-8");
+               } finally {
+                       in.close();
+               }
+       }
+
+       /**
+        * Unconvert from Base64 then unzip the content, which is assumed to be a
+        * String.
+        * 
+        * @param data
+        *            the data in Base64 format
+        * 
+        * @return the raw data
+        * 
+        * @throws IOException
+        *             in case of I/O error
+        */
+       public static String unzip64s(String data) throws IOException {
+               return new String(unzip64(data), "UTF-8");
+       }
+
+       /**
+        * Unconvert from Base64 then unzip the content.
+        * 
+        * @param data
+        *            the data in Base64 format
+        * 
+        * @return the raw data
+        * 
+        * @throws IOException
+        *             in case of I/O error
+        */
+       public static byte[] unzip64(String data) throws IOException {
+               InputStream in = new Base64InputStream(new ByteArrayInputStream(
+                               getBytes(data)), false);
+               try {
+                       in = new GZIPInputStream(in);
+                       return IOUtils.toByteArray(in);
+               } finally {
+                       in.close();
+               }
+       }
+
+       /**
+        * Convert the given data to Base64 format.
+        * 
+        * @param data
+        *            the data to convert
+        * 
+        * @return the Base64 {@link String} representation of the data
+        * 
+        * @throws IOException
+        *             in case of I/O errors
+        */
+       public static String base64(String data) throws IOException {
+               return base64(getBytes(data));
+       }
+
+       /**
+        * Convert the given data to Base64 format.
+        * 
+        * @param data
+        *            the data to convert
+        * 
+        * @return the Base64 {@link String} representation of the data
+        * 
+        * @throws IOException
+        *             in case of I/O errors
+        */
+       public static String base64(byte[] data) throws IOException {
+               Base64InputStream in = new Base64InputStream(new ByteArrayInputStream(
+                               data), true);
+               try {
+                       return new String(IOUtils.toByteArray(in), "UTF-8");
+               } finally {
+                       in.close();
+               }
+       }
+
+       /**
+        * Unconvert the given data from Base64 format back to a raw array of bytes.
+        * 
+        * @param data
+        *            the data to unconvert
+        * 
+        * @return the raw data represented by the given Base64 {@link String},
+        * 
+        * @throws IOException
+        *             in case of I/O errors
+        */
+       public static byte[] unbase64(String data) throws IOException {
+               Base64InputStream in = new Base64InputStream(new ByteArrayInputStream(
+                               getBytes(data)), false);
+               try {
+                       return IOUtils.toByteArray(in);
+               } finally {
+                       in.close();
+               }
+       }
+
+       /**
+        * Unonvert the given data from Base64 format back to a {@link String}.
+        * 
+        * @param data
+        *            the data to unconvert
+        * 
+        * @return the {@link String} represented by the given Base64 {@link String}
+        * 
+        * @throws IOException
+        *             in case of I/O errors
+        */
+       public static String unbase64s(String data) throws IOException {
+               return new String(unbase64(data), "UTF-8");
+       }
+
+       /**
+        * Return a display {@link String} for the given value, which can be
+        * suffixed with "k" or "M" depending upon the number, if it is big enough.
+        * <p>
+        * <p>
+        * Examples:
+        * <ul>
+        * <li><tt>8 765</tt> becomes "8 k"</li>
+        * <li><tt>998 765</tt> becomes "998 k"</li>
+        * <li><tt>12 987 364</tt> becomes "12 M"</li>
+        * <li><tt>5 534 333 221</tt> becomes "5 G"</li>
+        * </ul>
+        * 
+        * @param value
+        *            the value to convert
+        * 
+        * @return the display value
+        */
+       public static String formatNumber(long value) {
+               return formatNumber(value, 0);
+       }
+
+       /**
+        * Return a display {@link String} for the given value, which can be
+        * suffixed with "k" or "M" depending upon the number, if it is big enough.
+        * <p>
+        * Examples (assuming decimalPositions = 1):
+        * <ul>
+        * <li><tt>8 765</tt> becomes "8.7 k"</li>
+        * <li><tt>998 765</tt> becomes "998.7 k"</li>
+        * <li><tt>12 987 364</tt> becomes "12.9 M"</li>
+        * <li><tt>5 534 333 221</tt> becomes "5.5 G"</li>
+        * </ul>
+        * 
+        * @param value
+        *            the value to convert
+        * @param decimalPositions
+        *            the number of decimal positions to keep
+        * 
+        * @return the display value
+        */
+       public static String formatNumber(long value, int decimalPositions) {
+               long userValue = value;
+               String suffix = " ";
+               long mult = 1;
+
+               if (value >= 1000000000l) {
+                       mult = 1000000000l;
+                       userValue = value / 1000000000l;
+                       suffix = " G";
+               } else if (value >= 1000000l) {
+                       mult = 1000000l;
+                       userValue = value / 1000000l;
+                       suffix = " M";
+               } else if (value >= 1000l) {
+                       mult = 1000l;
+                       userValue = value / 1000l;
+                       suffix = " k";
+               }
+
+               String deci = "";
+               if (decimalPositions > 0) {
+                       deci = Long.toString(value % mult);
+                       int size = Long.toString(mult).length() - 1;
+                       while (deci.length() < size) {
+                               deci = "0" + deci;
+                       }
+
+                       deci = deci.substring(0, Math.min(decimalPositions, deci.length()));
+                       while (deci.length() < decimalPositions) {
+                               deci += "0";
+                       }
+
+                       deci = "." + deci;
+               }
+
+               return Long.toString(userValue) + deci + suffix;
+       }
+
+       /**
+        * The reverse operation to {@link StringUtils#formatNumber(long)}: it will
+        * read a "display" number that can contain a "M" or "k" suffix and return
+        * the full value.
+        * <p>
+        * Of course, the conversion to and from display form is lossy (example:
+        * <tt>6870</tt> to "6.5k" to <tt>6500</tt>).
+        * 
+        * @param value
+        *            the value in display form with possible "M" and "k" suffixes,
+        *            can be NULL
+        * 
+        * @return the value as a number, or 0 if not possible to convert
+        */
+       public static long toNumber(String value) {
+               return toNumber(value, 0l);
+       }
+
+       /**
+        * The reverse operation to {@link StringUtils#formatNumber(long)}: it will
+        * read a "display" number that can contain a "M" or "k" suffix and return
+        * the full value.
+        * <p>
+        * Of course, the conversion to and from display form is lossy (example:
+        * <tt>6870</tt> to "6.5k" to <tt>6500</tt>).
+        * 
+        * @param value
+        *            the value in display form with possible "M" and "k" suffixes,
+        *            can be NULL
+        * @param def
+        *            the default value if it is not possible to convert the given
+        *            value to a number
+        * 
+        * @return the value as a number, or 0 if not possible to convert
+        */
+       public static long toNumber(String value, long def) {
+               long count = def;
+               if (value != null) {
+                       value = value.trim().toLowerCase();
+                       try {
+                               long mult = 1;
+                               if (value.endsWith("g")) {
+                                       value = value.substring(0, value.length() - 1).trim();
+                                       mult = 1000000000;
+                               } else if (value.endsWith("m")) {
+                                       value = value.substring(0, value.length() - 1).trim();
+                                       mult = 1000000;
+                               } else if (value.endsWith("k")) {
+                                       value = value.substring(0, value.length() - 1).trim();
+                                       mult = 1000;
+                               }
+
+                               long deci = 0;
+                               if (value.contains(".")) {
+                                       String[] tab = value.split("\\.");
+                                       if (tab.length != 2) {
+                                               throw new NumberFormatException(value);
+                                       }
+                                       double decimal = Double.parseDouble("0."
+                                                       + tab[tab.length - 1]);
+                                       deci = ((long) (mult * decimal));
+                                       value = tab[0];
+                               }
+                               count = mult * Long.parseLong(value) + deci;
+                       } catch (Exception e) {
+                       }
+               }
+
+               return count;
+       }
+
+       /**
+        * Return the bytes array representation of the given {@link String} in
+        * UTF-8.
+        * 
+        * @param str
+        *            the {@link String} to transform into bytes
+        * @return the content in bytes
+        */
+       static public byte[] getBytes(String str) {
                try {
-                       return Base64.encodeBytes(data.getBytes(), Base64.GZIP);
-               } catch (IOException e) {
+                       return str.getBytes("UTF-8");
+               } catch (UnsupportedEncodingException e) {
+                       // All conforming JVM must support UTF-8
                        e.printStackTrace();
                        return null;
                }
        }
 
-       public static String unzip64(String data) throws IOException {
-               ByteArrayInputStream in = new ByteArrayInputStream(Base64.decode(data,
-                               Base64.GZIP));
+       /**
+        * The "remove accents" pattern.
+        * 
+        * @return the pattern, or NULL if a problem happens
+        */
+       private static Pattern getMarks() {
+               try {
+                       return Pattern
+                                       .compile("[\\p{InCombiningDiacriticalMarks}\\p{IsLm}\\p{IsSk}]+");
+               } catch (Exception e) {
+                       // Can fail on Android...
+                       return null;
+               }
+       }
+
+       //
+       // justify List<String> related:
+       //
+
+       /**
+        * Check if this line ends as a complete line (ends with a "." or similar).
+        * <p>
+        * Note that we consider an empty line as full, and a line ending with
+        * spaces as not complete.
+        * 
+        * @param line
+        *            the line to check
+        * 
+        * @return TRUE if it does
+        */
+       static private boolean isFullLine(StringBuilder line) {
+               if (line.length() == 0) {
+                       return true;
+               }
+
+               char lastCar = line.charAt(line.length() - 1);
+               switch (lastCar) {
+               case '.': // points
+               case '?':
+               case '!':
+
+               case '\'': // quotes
+               case '‘':
+               case '’':
+
+               case '"': // double quotes
+               case '”':
+               case '“':
+               case '»':
+               case '«':
+                       return true;
+               default:
+                       return false;
+               }
+       }
+
+       /**
+        * Check if this line represent an item in a list or description (i.e.,
+        * check that the first non-space char is "-").
+        * 
+        * @param line
+        *            the line to check
+        * 
+        * @return TRUE if it is
+        */
+       static private boolean isItemLine(String line) {
+               String spacing = getItemSpacing(line);
+               return spacing != null && !spacing.isEmpty()
+                               && line.charAt(spacing.length()) == '-';
+       }
+
+       /**
+        * Return all the spaces that start this line (or Empty if none).
+        * 
+        * @param line
+        *            the line to get the starting spaces from
+        * 
+        * @return the left spacing
+        */
+       static private String getItemSpacing(String line) {
+               int i;
+               for (i = 0; i < line.length(); i++) {
+                       if (line.charAt(i) != ' ') {
+                               return line.substring(0, i);
+                       }
+               }
+
+               return "";
+       }
+
+       /**
+        * This line is an horizontal spacer line.
+        * 
+        * @param line
+        *            the line to test
+        * 
+        * @return TRUE if it is
+        */
+       static private boolean isHrLine(CharSequence line) {
+               int count = 0;
+               if (line != null) {
+                       for (int i = 0; i < line.length(); i++) {
+                               char car = line.charAt(i);
+                               if (car == ' ' || car == '\t' || car == '*' || car == '-'
+                                               || car == '_' || car == '~' || car == '=' || car == '/'
+                                               || car == '\\') {
+                                       count++;
+                               } else {
+                                       return false;
+                               }
+                       }
+               }
+
+               return count > 2;
+       }
+
+       // Deprecated functions, please do not use //
 
-               Scanner scan = new Scanner(in);
-               scan.useDelimiter("\\A");
+       /**
+        * @deprecated please use {@link StringUtils#zip64(byte[])} or
+        *             {@link StringUtils#base64(byte[])} instead.
+        * 
+        * @param data
+        *            the data to encode
+        * @param zip
+        *            TRUE to zip it before Base64 encoding it, FALSE for Base64
+        *            encoding only
+        * 
+        * @return the encoded data
+        * 
+        * @throws IOException
+        *             in case of I/O error
+        */
+       @Deprecated
+       public static String base64(String data, boolean zip) throws IOException {
+               return base64(getBytes(data), zip);
+       }
+
+       /**
+        * @deprecated please use {@link StringUtils#zip64(String)} or
+        *             {@link StringUtils#base64(String)} instead.
+        * 
+        * @param data
+        *            the data to encode
+        * @param zip
+        *            TRUE to zip it before Base64 encoding it, FALSE for Base64
+        *            encoding only
+        * 
+        * @return the encoded data
+        * 
+        * @throws IOException
+        *             in case of I/O error
+        */
+       @Deprecated
+       public static String base64(byte[] data, boolean zip) throws IOException {
+               if (zip) {
+                       return zip64(data);
+               }
+
+               Base64InputStream b64 = new Base64InputStream(new ByteArrayInputStream(
+                               data), true);
                try {
-                       return scan.next();
+                       return IOUtils.readSmallStream(b64);
                } finally {
-                       scan.close();
+                       b64.close();
                }
        }
+
+       /**
+        * @deprecated please use {@link Base64OutputStream} and
+        *             {@link GZIPOutputStream} instead.
+        * 
+        * @param breakLines
+        *            NOT USED ANYMORE, it is always considered FALSE now
+        */
+       @Deprecated
+       public static OutputStream base64(OutputStream data, boolean zip,
+                       boolean breakLines) throws IOException {
+               OutputStream out = new Base64OutputStream(data);
+               if (zip) {
+                       out = new java.util.zip.GZIPOutputStream(out);
+               }
+
+               return out;
+       }
+
+       /**
+        * Unconvert the given data from Base64 format back to a raw array of bytes.
+        * <p>
+        * Will automatically detect zipped data and also uncompress it before
+        * returning, unless ZIP is false.
+        * 
+        * @deprecated DO NOT USE ANYMORE (bad perf, will be dropped)
+        * 
+        * @param data
+        *            the data to unconvert
+        * @param zip
+        *            TRUE to also uncompress the data from a GZIP format
+        *            automatically; if set to FALSE, zipped data can be returned
+        * 
+        * @return the raw data represented by the given Base64 {@link String},
+        *         optionally compressed with GZIP
+        * 
+        * @throws IOException
+        *             in case of I/O errors
+        */
+       @Deprecated
+       public static byte[] unbase64(String data, boolean zip) throws IOException {
+               byte[] buffer = unbase64(data);
+               if (!zip) {
+                       return buffer;
+               }
+
+               try {
+                       GZIPInputStream zipped = new GZIPInputStream(
+                                       new ByteArrayInputStream(buffer));
+                       try {
+                               ByteArrayOutputStream out = new ByteArrayOutputStream();
+                               try {
+                                       IOUtils.write(zipped, out);
+                                       return out.toByteArray();
+                               } finally {
+                                       out.close();
+                               }
+                       } finally {
+                               zipped.close();
+                       }
+               } catch (Exception e) {
+                       return buffer;
+               }
+       }
+
+       /**
+        * Unconvert the given data from Base64 format back to a raw array of bytes.
+        * <p>
+        * Will automatically detect zipped data and also uncompress it before
+        * returning, unless ZIP is false.
+        * 
+        * @deprecated DO NOT USE ANYMORE (bad perf, will be dropped)
+        * 
+        * @param data
+        *            the data to unconvert
+        * @param zip
+        *            TRUE to also uncompress the data from a GZIP format
+        *            automatically; if set to FALSE, zipped data can be returned
+        * 
+        * @return the raw data represented by the given Base64 {@link String},
+        *         optionally compressed with GZIP
+        * 
+        * @throws IOException
+        *             in case of I/O errors
+        */
+       @Deprecated
+       public static InputStream unbase64(InputStream data, boolean zip)
+                       throws IOException {
+               return new ByteArrayInputStream(unbase64(IOUtils.readSmallStream(data),
+                               zip));
+       }
+
+       /**
+        * @deprecated DO NOT USE ANYMORE (bad perf, will be dropped)
+        */
+       @Deprecated
+       public static byte[] unbase64(byte[] data, int offset, int count,
+                       boolean zip) throws IOException {
+               byte[] dataPart = Arrays.copyOfRange(data, offset, offset + count);
+               return unbase64(new String(dataPart, "UTF-8"), zip);
+       }
+
+       /**
+        * @deprecated DO NOT USE ANYMORE (bad perf, will be dropped)
+        */
+       @Deprecated
+       public static String unbase64s(String data, boolean zip) throws IOException {
+               return new String(unbase64(data, zip), "UTF-8");
+       }
+
+       /**
+        * @deprecated DO NOT USE ANYMORE (bad perf, will be dropped)
+        */
+       @Deprecated
+       public static String unbase64s(byte[] data, int offset, int count,
+                       boolean zip) throws IOException {
+               return new String(unbase64(data, offset, count, zip), "UTF-8");
+       }
 }