Mailing List Archive

kelvint 02/05/08 08:50:03

Modified: projects/appex/src/java/search/util IOUtils.java
StringUtils.java
Log:
Importing the classes seem to have warped the whitespaces. Here's my attempt to get things back to normal.

Revision Changes Path
1.2 +275 -396 jakarta-lucene-sandbox/projects/appex/src/java/search/util/IOUtils.java

Index: IOUtils.java
===================================================================
RCS file: /home/cvs/jakarta-lucene-sandbox/projects/appex/src/java/search/util/IOUtils.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- IOUtils.java 4 May 2002 15:43:46 -0000 1.1
+++ IOUtils.java 8 May 2002 15:50:03 -0000 1.2
@@ -1,396 +1,275 @@
-package search.util;
-
-/* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Apache" and "Apache Software Foundation" and
- * "Apache Turbine" must not be used to endorse or promote products
- * derived from this software without prior written permission. For
- * written permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * "Apache Turbine", nor may "Apache" appear in their name, without
- * prior written permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
-//import com.ice.tar.TarArchive; -dunno where this lives -ACO
-import org.apache.log4j.Category;
-
-import java.io.*;
-import java.util.zip.GZIPInputStream;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipOutputStream;
-
-/**
- * Utility IO-related methods.
- *
- * @author <a href="mailto:kelvin@relevanz.com">Kelvin Tan</a>
- */
-public final class IOUtils
-{
- /**
- * Log4j category.
- */
- static Category cat = Category.getInstance(IOUtils.class.getName());
-
- /**
- * Writes data from the inputstream to the outputstream.
- *
- * @param in InputStream to read from.
- * @param out OutputStream to write to.
- * @throws IOException I/O error.
- */
- public static void transferData(InputStream in, OutputStream out)
- throws IOException
- {
- byte[] data = new byte[10000];
- int len;
- while ((len = in.read(data)) != -1)
- {
- out.write(data, 0, len);
- }
- }
-
- /** To copy the file. (from Java Examples in a Nutshell)
- * @param from_name source file with full path.
- * @param to_name target file with full path.
- */
- public static void copyFile(String from_name, String to_name)
- throws IOException
- {
- File from_file = new File(from_name);
- File to_file = new File(to_name);
- copyFile(from_file, to_file);
- }
-
- /** To copy the file. (from Java Examples in a Nutshell)
- * @param from_file source file with full path.
- * @param to_file target file with full path.
- */
- public static void copyFile(File from_file, File to_file)
- throws IOException
- {
- if (!from_file.exists())
- throw new IOException("FileCopy: no such source file: " + from_file.getName());
- if (!from_file.isFile())
- throw new IOException("FileCopy: can't copy directory: " + from_file.getName());
- if (!from_file.canRead())
- throw new IOException("FileCopy: source file is unreadable: " + from_file.getName());
-
- // If we've gotten this far, then everything is okay.
- // So we copy the file, a buffer of bytes at a time.
- FileInputStream from = null; // Stream to read from source
- FileOutputStream to = null; // Stream to write to destination
- try
- {
- from = new FileInputStream(from_file); // Create input stream
- to = new FileOutputStream(to_file); // Create output stream
- byte[] buffer = new byte[8192]; // A buffer to hold file contents
- int bytes_read; // How many bytes in buffer
- // Read a chunk of bytes into the buffer, then write them out,
- // looping until we reach the end of the file (when read() returns -1).
- // Note the combination of assignment and comparison in this while
- // loop. This is a common I/O programming idiom.
- while ((bytes_read = from.read(buffer)) != -1) // Read bytes until EOF
- to.write(buffer, 0, bytes_read); // write bytes
- }
-
- // Always close the streams, even if exceptions were thrown
- finally
- {
- if (from != null)
- try
- {
- from.close();
- }
- catch (IOException e)
- {
- ;
- }
- if (to != null)
- try
- {
- to.close();
- }
- catch (IOException e)
- {
- ;
- }
- }
- }
-
- /**
- * Moves files from one directory to another. The source directory is not moved.
- * <br><br>
- * Implementation note: Only files are moved. Directories within the source
- * are not moved as well.
- * @param File Source directory.
- * @param File Destination directory.
- */
- public static void moveFiles(File source, File destination)
- throws IOException
- {
- InputStream in = null;
- OutputStream out = null;
- if (!source.isDirectory())
- throw new IOException("Expected a directory but "
- + source.toString() + " is a file!");
- if (!destination.isDirectory())
- throw new IOException("Expected a directory but "
- + destination.toString() + " is a file!");
- File[] farray = source.listFiles();
- try
- {
- for (int i = 0; i < farray.length; i++)
- {
- if (farray[i].isFile())
- {
- File target = new File(destination, farray[i].getName());
- if (!target.exists() || target.canWrite())
- {
- in = new FileInputStream(farray[i]);
- out = new FileOutputStream(target);
- transferData(in, out);
- in.close();
- out.close();
- if (target.exists())
- farray[i].delete();
- }
- }
- }
- in = null;
- out = null;
- }
- finally
- {
- if (in != null)
- in.close();
- if (out != null)
- out.close();
- }
- }
-
- /**
- * Recursively deletes a directory.
- * @param File Directory to delete.
- */
- public static void deleteDirectory(File directory)
- {
- File[] fArray = directory.listFiles();
- for (int i = 0; i < fArray.length; i++)
- {
- if (fArray[i].isDirectory())
- {
- deleteDirectory(fArray[i]);
- }
- fArray[i].delete();
- }
- directory.delete();
- }
-
- /**
- * Writes an input stream to a temporary file which is set
- * to delete when the VM exits.
- * @param Inputstream to read data from
- * @param Temporary file to write to
- */
- public static void writeToTempFile(InputStream in, String tempfile)
- throws IOException
- {
- OutputStream out = null;
- try
- {
- File f = new File(tempfile);
- f.deleteOnExit();
- char lastChar = tempfile.charAt(tempfile.length() - 1);
- // make no assumptions that java.io.File detects directories
- // in a cross-platform manner
- if (f.isDirectory() || lastChar == '\\' || lastChar == '/')
- f.mkdirs();
- else
- {
- // ensure that all necessary directories are created
- File parent = f.getParentFile();
- parent.deleteOnExit();
- parent.mkdirs();
- out = new FileOutputStream(tempfile);
- transferData(in, out);
- }
- }
- finally
- {
- if (out != null)
- out.close();
- }
- }
-
- /**
- * Writes an file to a ZipOutputStream.
- * @param File to read data from
- * @param Path of the ZipEntry
- * @param ZipOutputStream to write to
- */
- public static void addToZipOutputStream(String file,
- String zipPath,
- ZipOutputStream out)
- throws FileNotFoundException, IOException
- {
- File f = new File(file);
- byte[] buffer = new byte[8192]; // Create a buffer for copying
- int bytes_read;
- FileInputStream in = null;
- try
- {
- in = new FileInputStream(f); // Stream to read file
- ZipEntry entry = new ZipEntry(zipPath); // Make a ZipEntry
- out.putNextEntry(entry); // Store entry in zipfile
- while ((bytes_read = in.read(buffer)) != -1) // Copy bytes to zipfile
- out.write(buffer, 0, bytes_read);
- }
- finally
- {
- if (in != null)
- in.close(); // Close input stream
- }
- }
-
- /**
- * Extracts a tar file to a directory.
- * @param Tar file to read data from
- * @param Directory to write to
- */
- public static void extractTar(File tarFile, File destDir)
- throws IOException
- {
-/*
- FileInputStream fis = null;
- try
- {
- fis = new FileInputStream(tarFile);
- TarArchive ta = new TarArchive(fis);
- ta.extractContents(destDir);
- ta.closeArchive();
- }
- finally
- {
- if (fis != null)
- fis.close();
- }
-*/
- throw new RuntimeException("This method has been officially broken "+
- "by andy who couldn't find TarArchive");
- }
-
- /**
- * Extracts a GZip file to a file.
- * @param GZip file to read data from
- * @param File to write to
- */
- public static void extractGZip(File f, File destFile) throws IOException
- {
- FileOutputStream out = null;
- FileInputStream fis = null;
- GZIPInputStream gzin = null;
- try
- {
- out = new FileOutputStream(destFile);
- fis = new FileInputStream(f);
- gzin = new GZIPInputStream(fis);
- byte[] data = new byte[10000];
- int len;
- while ((len = gzin.read(data)) != -1)
- {
- out.write(data, 0, len);
- }
- out.flush();
- }
- finally
- {
- if (gzin != null)
- gzin.close();
- if (out != null)
- out.close();
- if (fis != null)
- fis.close();
- }
- }
-
- /**
- * reads all bytes from the given stream
- * @param is the stream to read from
- */
- public static final byte[] loadBytes(InputStream is) throws IOException
- {
- // read in the entry data
- int count = 0;
- byte[] buffer = new byte[0];
- byte[] chunk = new byte[4096];
- while ((count = is.read(chunk)) >= 0)
- {
- byte[] t = new byte[buffer.length + count];
- System.arraycopy(buffer, 0, t, 0, buffer.length);
- System.arraycopy(chunk, 0, t, buffer.length, count);
- buffer = t;
- }
- return buffer;
- }
-
- /** Returns the file extension of a file.
- * @param filename Filename to obtain the file extension.
- * @return File extension (without the ".").
- */
- public static String getFileExtension(String filename)
- {
- return filename.substring(filename.lastIndexOf(".") + 1); // + 1 to remove the "."
- }
-
- /** Returns the file extension of a file.
- * @param f File object to obtain the file extension.
- * @return File extension (without the ".").
- */
- public static String getFileExtension(File f)
- {
- return getFileExtension(f.getName());
- }
-}
+package search.util;
+
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2001 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ * if any, must include the following acknowledgment:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowledgment may appear in the software itself,
+ * if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" and
+ * "Apache Lucene" must not be used to endorse or promote products
+ * derived from this software without prior written permission. For
+ * written permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ * "Apache Lucene", nor may "Apache" appear in their name, without
+ * prior written permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+//import com.ice.tar.TarArchive; -dunno where this lives -ACO
+
+import com.ice.tar.TarArchive;
+import org.apache.log4j.Category;
+
+import java.io.*;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+/**
+ * Utility IO-related methods.
+ *
+ * @author <a href="mailto:kelvin@relevanz.com">Kelvin Tan</a>
+ */
+public final class IOUtils
+{
+ /**
+ * Log4j category.
+ */
+ private static Category cat = Category.getInstance(IOUtils.class.getName());
+
+ /**
+ * Writes data from the inputstream to the outputstream.
+ *
+ * @param in InputStream to read from.
+ * @param out OutputStream to write to.
+ * @throws IOException I/O error.
+ */
+ public static void transferData(InputStream in, OutputStream out)
+ throws IOException
+ {
+ byte[] data = new byte[10000];
+ int len;
+ while ((len = in.read(data)) != -1)
+ {
+ out.write(data, 0, len);
+ }
+ }
+
+ /**
+ * Recursively deletes a directory.
+ * @param File Directory to delete.
+ */
+ public static void deleteDirectory(File directory)
+ {
+ File[] fArray = directory.listFiles();
+ for (int i = 0; i < fArray.length; i++)
+ {
+ if (fArray[i].isDirectory())
+ {
+ deleteDirectory(fArray[i]);
+ }
+ fArray[i].delete();
+ }
+ directory.delete();
+ }
+
+ /**
+ * Writes an input stream to a temporary file which is set
+ * to delete when the VM exits.
+ * @param Inputstream to read data from
+ * @param Temporary file to write to
+ */
+ public static void writeToTempFile(InputStream in, String tempfile)
+ throws IOException
+ {
+ OutputStream out = null;
+ try
+ {
+ File f = new File(tempfile);
+ f.deleteOnExit();
+ char lastChar = tempfile.charAt(tempfile.length() - 1);
+ // make no assumptions that java.io.File detects directories
+ // in a cross-platform manner
+ if (f.isDirectory() || lastChar == '\\' || lastChar == '/')
+ f.mkdirs();
+ else
+ {
+ // ensure that all necessary directories are created
+ File parent = f.getParentFile();
+ parent.deleteOnExit();
+ parent.mkdirs();
+ out = new FileOutputStream(tempfile);
+ transferData(in, out);
+ }
+ }
+ finally
+ {
+ if (out != null)
+ out.close();
+ }
+ }
+
+ /**
+ * Writes an file to a ZipOutputStream.
+ * @param File to read data from
+ * @param Path of the ZipEntry
+ * @param ZipOutputStream to write to
+ */
+ public static void addToZipOutputStream(String file,
+ String zipPath,
+ ZipOutputStream out)
+ throws FileNotFoundException, IOException
+ {
+ File f = new File(file);
+ byte[] buffer = new byte[8192]; // Create a buffer for copying
+ int bytes_read;
+ FileInputStream in = null;
+ try
+ {
+ in = new FileInputStream(f); // Stream to read file
+ ZipEntry entry = new ZipEntry(zipPath); // Make a ZipEntry
+ out.putNextEntry(entry); // Store entry in zipfile
+ while ((bytes_read = in.read(buffer)) != -1) // Copy bytes to zipfile
+ out.write(buffer, 0, bytes_read);
+ }
+ finally
+ {
+ if (in != null)
+ in.close(); // Close input stream
+ }
+ }
+
+ /**
+ * Extracts a tar file to a directory.
+ * @param Tar file to read data from
+ * @param Directory to write to
+ */
+ public static void extractTar(File tarFile, File destDir)
+ throws IOException
+ {
+ FileInputStream fis = null;
+ try
+ {
+ fis = new FileInputStream(tarFile);
+ TarArchive ta = new TarArchive(fis);
+ ta.extractContents(destDir);
+ ta.closeArchive();
+ }
+ finally
+ {
+ if (fis != null)
+ fis.close();
+ }
+ }
+
+ /**
+ * Extracts a GZip file to a file.
+ * @param GZip file to read data from
+ * @param File to write to
+ */
+ public static void extractGZip(File f, File destFile) throws IOException
+ {
+ FileOutputStream out = null;
+ FileInputStream fis = null;
+ GZIPInputStream gzin = null;
+ try
+ {
+ out = new FileOutputStream(destFile);
+ fis = new FileInputStream(f);
+ gzin = new GZIPInputStream(fis);
+ byte[] data = new byte[10000];
+ int len;
+ while ((len = gzin.read(data)) != -1)
+ {
+ out.write(data, 0, len);
+ }
+ out.flush();
+ }
+ finally
+ {
+ if (gzin != null)
+ gzin.close();
+ if (out != null)
+ out.close();
+ if (fis != null)
+ fis.close();
+ }
+ }
+
+ /**
+ * reads all bytes from the given stream
+ * @param is the stream to read from
+ */
+ public static final byte[] loadBytes(InputStream is) throws IOException
+ {
+ // read in the entry data
+ int count = 0;
+ byte[] buffer = new byte[0];
+ byte[] chunk = new byte[4096];
+ while ((count = is.read(chunk)) >= 0)
+ {
+ byte[] t = new byte[buffer.length + count];
+ System.arraycopy(buffer, 0, t, 0, buffer.length);
+ System.arraycopy(chunk, 0, t, buffer.length, count);
+ buffer = t;
+ }
+ return buffer;
+ }
+
+ /** Returns the file extension of a file.
+ * @param filename Filename to obtain the file extension.
+ * @return File extension (without the ".").
+ */
+ public static String getFileExtension(String filename)
+ {
+ return filename.substring(filename.lastIndexOf(".") + 1); // + 1 to remove the "."
+ }
+
+ /** Returns the file extension of a file.
+ * @param f File object to obtain the file extension.
+ * @return File extension (without the ".").
+ */
+ public static String getFileExtension(File f)
+ {
+ return getFileExtension(f.getName());
+ }
+}



1.2 +92 -91 jakarta-lucene-sandbox/projects/appex/src/java/search/util/StringUtils.java

Index: StringUtils.java
===================================================================
RCS file: /home/cvs/jakarta-lucene-sandbox/projects/appex/src/java/search/util/StringUtils.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- StringUtils.java 4 May 2002 15:43:46 -0000 1.1
+++ StringUtils.java 8 May 2002 15:50:03 -0000 1.2
@@ -1,91 +1,92 @@
-package search.util;
-
-/* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Apache" and "Apache Software Foundation" and
- * "Apache Turbine" must not be used to endorse or promote products
- * derived from this software without prior written permission. For
- * written permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * "Apache Turbine", nor may "Apache" appear in their name, without
- * prior written permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
-import org.apache.oro.text.perl.Perl5Util;
-
-/**
- * Utility String-related methods.
- *
- * @author <a href="mailto:kelvin@relevanz.com">Kelvin Tan</a>
- */
-public final class StringUtils
-{
- private static final char[] QUOTE_ENCODE = "&quot;".toCharArray();
- private static final char[] AMP_ENCODE = "&amp;".toCharArray();
- private static final char[] LT_ENCODE = "&lt;".toCharArray();
- private static final char[] GT_ENCODE = "&gt;".toCharArray();
- private static final char[] APOS_ENCODE = "&apos;".toCharArray();
- // Create a regular expression engine
- private static Perl5Util perl5Util = new Perl5Util();
-
- public static final String removeUnreadableCharacters(String s)
- {
- if (perl5Util.match("/\\W+/", s))
- {
- // replace unreadable characters with a space
- s = perl5Util.substitute("s#[^a-zA-Z0-9_@]+# #gm", s);
- // remove any single/double word characters
- s = perl5Util.substitute("s#\\b[a-zA-Z0-9_]{1,2}\\b##gm", s);
- }
- return trimWhitespace(s);
- }
-
- public static final String trimWhitespace(String s)
- {
- s = perl5Util.substitute("s#[\\s]{3,}# #m", s);
- return s;
- }
-}
+package search.util;
+
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2001 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ * if any, must include the following acknowledgment:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowledgment may appear in the software itself,
+ * if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" and
+ * "Apache Lucene" must not be used to endorse or promote products
+ * derived from this software without prior written permission. For
+ * written permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ * "Apache Lucene", nor may "Apache" appear in their name, without
+ * prior written permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+import org.apache.oro.text.perl.Perl5Util;
+
+/**
+ * Utility String-related methods.
+ *
+ * @author <a href="mailto:kelvin@relevanz.com">Kelvin Tan</a>
+ */
+public final class StringUtils
+{
+ public static final String EMPTY_STRING = "";
+ private static final char[] QUOTE_ENCODE = "&quot;".toCharArray();
+ private static final char[] AMP_ENCODE = "&amp;".toCharArray();
+ private static final char[] LT_ENCODE = "&lt;".toCharArray();
+ private static final char[] GT_ENCODE = "&gt;".toCharArray();
+ private static final char[] APOS_ENCODE = "&apos;".toCharArray();
+ // Create a regular expression engine
+ private static Perl5Util perl5Util = new Perl5Util();
+
+ public static final String removeUnreadableCharacters(String s)
+ {
+ if (perl5Util.match("/\\W+/", s))
+ {
+ // replace unreadable characters with a space
+ s = perl5Util.substitute("s#[^a-zA-Z0-9_@]+# #gm", s);
+ // remove any single/double word characters
+ s = perl5Util.substitute("s#\\b[a-zA-Z0-9_]{1,2}\\b##gm", s);
+ }
+ return trimWhitespace(s);
+ }
+
+ public static final String trimWhitespace(String s)
+ {
+ s = perl5Util.substitute("s#[\\s]{3,}# #m", s);
+ return s;
+ }
+}




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