## org.opencyc.util
Class StringUtils

    java.lang.Object
      |
      +--org.opencyc.util.StringUtils

public class StringUtils
extends java.lang.Object

Provides `String` utilities not otherwise provided by Violin Strings. All methods are static. There is no need to instantiate this class.

Author:
  Stephen L. Reed

  Copyright 2001 Cycorp, Inc., license is open source GNU LGPL.

  the license

  www.opencyc.org

  OpenCyc at SourceForge

  THIS SOFTWARE AND KNOWLEDGE BASE CONTENT ARE 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 OPENCYC ORGANIZATION 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 AND KNOWLEDGE BASE CONTENT, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Constructor Summary
`StringUtils()`

Method Summary
`static java.lang.String` `escapeDoubleQuotes(java.lang.String string)` Escapes embedded double quote and backslash characters in the given string.
`static boolean` `isDelimitedString(java.lang.Object object)` Returns true iff the given object is a string delimited by double quotes.
`static boolean` `isNumeric(java.lang.String string)` Returns true iff all characters in the given string are numeric.
`static java.lang.String` `removeDelimiters(java.lang.String string)` Removes delimiter characters from the given string.
`static java.lang.String` `wordsToPhrase(java.util.List words)` Returns the phrase formed from the given list of words

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### StringUtils

    public StringUtils()

Method Detail

### isNumeric

    public static boolean isNumeric(java.lang.String string)

  Returns true iff all characters in the given string are numeric. A prefix character of "+" or "-" is accepted as numeric. Decimal points are not accepted as numeric by this method.
  Parameters:
    `string` - the string to be tested
  Returns:
    `true` iff all characters are numeric

### isDelimitedString

    public static boolean isDelimitedString(java.lang.Object object)

  Returns true iff the given object is a string delimited by double quotes.
  Parameters:
    `object` - the object to be tested
  Returns:
    `true` iff the given object is a string delimited by double quotes

### removeDelimiters

    public static java.lang.String removeDelimiters(java.lang.String string)

  Removes delimiter characters from the given string.
  Parameters:
    `string` - the string which has delimiters to be removed
  Returns:
    a input string without its delimiters

### wordsToPhrase

    public static java.lang.String wordsToPhrase(java.util.List words)

  Returns the phrase formed from the given list of words
  Parameters:
    `words` - the phrase words
  Returns:
    the phrase formed from the given list of words

### escapeDoubleQuotes

    public static java.lang.String escapeDoubleQuotes(java.lang.String string)

  Escapes embedded double quote and backslash characters in the given string.
  Parameters:
    `string` - the given string
  Returns:
    the given string with embeded double quote characters preceded by a backslash character, and with embedded backslash characters preceded by another (escaping) backslash character