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p62xrbca7/com/sun/org/apache/xml/internal/utils/XMLStringDefault.java

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/*
* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: XMLStringDefault.java,v 1.2.4.1 2005/09/15 08:16:02 suresh_emailid Exp $
*/
package com.sun.org.apache.xml.internal.utils;
import java.util.Locale;
/**
* The default implementation of the XMLString interface,
* which is just a simple wrapper of a String object.
*/
public class XMLStringDefault implements XMLString
{
private String m_str;
/**
* Create a XMLStringDefault object from a String
*/
public XMLStringDefault(String str)
{
m_str = str;
}
/**
* Directly call the
* characters method on the passed ContentHandler for the
* string-value. Multiple calls to the
* ContentHandler's characters methods may well occur for a single call to
* this method.
*
* @param ch A non-null reference to a ContentHandler.
*
* @throws org.xml.sax.SAXException
*/
public void dispatchCharactersEvents(org.xml.sax.ContentHandler ch)
throws org.xml.sax.SAXException
{
}
/**
* Directly call the
* comment method on the passed LexicalHandler for the
* string-value.
*
* @param lh A non-null reference to a LexicalHandler.
*
* @throws org.xml.sax.SAXException
*/
public void dispatchAsComment(org.xml.sax.ext.LexicalHandler lh)
throws org.xml.sax.SAXException
{
}
/**
* Conditionally trim all leading and trailing whitespace in the specified String.
* All strings of white space are
* replaced by a single space character (#x20), except spaces after punctuation which
* receive double spaces if doublePunctuationSpaces is true.
* This function may be useful to a formatter, but to get first class
* results, the formatter should probably do it's own white space handling
* based on the semantics of the formatting object.
*
* @param trimHead Trim leading whitespace?
* @param trimTail Trim trailing whitespace?
* @param doublePunctuationSpaces Use double spaces for punctuation?
* @return The trimmed string.
*/
public XMLString fixWhiteSpace(boolean trimHead,
boolean trimTail,
boolean doublePunctuationSpaces)
{
return new XMLStringDefault(m_str.trim());
}
/**
* Returns the length of this string.
*
* @return the length of the sequence of characters represented by this
* object.
*/
public int length()
{
return m_str.length();
}
/**
* Returns the character at the specified index. An index ranges
* from <code>0</code> to <code>length() - 1</code>. The first character
* of the sequence is at index <code>0</code>, the next at index
* <code>1</code>, and so on, as for array indexing.
*
* @param index the index of the character.
* @return the character at the specified index of this string.
* The first character is at index <code>0</code>.
* @exception IndexOutOfBoundsException if the <code>index</code>
* argument is negative or not less than the length of this
* string.
*/
public char charAt(int index)
{
return m_str.charAt(index);
}
/**
* Copies characters from this string into the destination character
* array.
*
* @param srcBegin index of the first character in the string
* to copy.
* @param srcEnd index after the last character in the string
* to copy.
* @param dst the destination array.
* @param dstBegin the start offset in the destination array.
* @exception IndexOutOfBoundsException If any of the following
* is true:
* <ul><li><code>srcBegin</code> is negative.
* <li><code>srcBegin</code> is greater than <code>srcEnd</code>
* <li><code>srcEnd</code> is greater than the length of this
* string
* <li><code>dstBegin</code> is negative
* <li><code>dstBegin+(srcEnd-srcBegin)</code> is larger than
* <code>dst.length</code></ul>
* @exception NullPointerException if <code>dst</code> is <code>null</code>
*/
public void getChars(int srcBegin, int srcEnd, char dst[],
int dstBegin)
{
int destIndex = dstBegin;
for (int i = srcBegin; i < srcEnd; i++)
{
dst[destIndex++] = m_str.charAt(i);
}
}
/**
* Compares this string to the specified <code>String</code>.
* The result is <code>true</code> if and only if the argument is not
* <code>null</code> and is a <code>String</code> object that represents
* the same sequence of characters as this object.
*
* @param obj2 the object to compare this <code>String</code> against.
* @return <code>true</code> if the <code>String</code>s are equal;
* <code>false</code> otherwise.
* @see java.lang.String#compareTo(java.lang.String)
* @see java.lang.String#equalsIgnoreCase(java.lang.String)
*/
public boolean equals(String obj2) {
return m_str.equals(obj2);
}
/**
* Compares this string to the specified object.
* The result is <code>true</code> if and only if the argument is not
* <code>null</code> and is a <code>String</code> object that represents
* the same sequence of characters as this object.
*
* @param anObject the object to compare this <code>String</code>
* against.
* @return <code>true</code> if the <code>String </code>are equal;
* <code>false</code> otherwise.
* @see java.lang.String#compareTo(java.lang.String)
* @see java.lang.String#equalsIgnoreCase(java.lang.String)
*/
public boolean equals(XMLString anObject)
{
return m_str.equals(anObject.toString());
}
/**
* Compares this string to the specified object.
* The result is <code>true</code> if and only if the argument is not
* <code>null</code> and is a <code>String</code> object that represents
* the same sequence of characters as this object.
*
* @param anObject the object to compare this <code>String</code>
* against.
* @return <code>true</code> if the <code>String </code>are equal;
* <code>false</code> otherwise.
* @see java.lang.String#compareTo(java.lang.String)
* @see java.lang.String#equalsIgnoreCase(java.lang.String)
*/
public boolean equals(Object anObject)
{
return m_str.equals(anObject);
}
/**
* Compares this <code>String</code> to another <code>String</code>,
* ignoring case considerations. Two strings are considered equal
* ignoring case if they are of the same length, and corresponding
* characters in the two strings are equal ignoring case.
*
* @param anotherString the <code>String</code> to compare this
* <code>String</code> against.
* @return <code>true</code> if the argument is not <code>null</code>
* and the <code>String</code>s are equal,
* ignoring case; <code>false</code> otherwise.
* @see #equals(Object)
* @see java.lang.Character#toLowerCase(char)
* @see java.lang.Character#toUpperCase(char)
*/
public boolean equalsIgnoreCase(String anotherString)
{
return m_str.equalsIgnoreCase(anotherString);
}
/**
* Compares two strings lexicographically.
*
* @param anotherString the <code>String</code> to be compared.
* @return the value <code>0</code> if the argument string is equal to
* this string; a value less than <code>0</code> if this string
* is lexicographically less than the string argument; and a
* value greater than <code>0</code> if this string is
* lexicographically greater than the string argument.
* @exception java.lang.NullPointerException if <code>anotherString</code>
* is <code>null</code>.
*/
public int compareTo(XMLString anotherString)
{
return m_str.compareTo(anotherString.toString());
}
/**
* Compares two strings lexicographically, ignoring case considerations.
* This method returns an integer whose sign is that of
* <code>this.toUpperCase().toLowerCase().compareTo(
* str.toUpperCase().toLowerCase())</code>.
* <p>
* Note that this method does <em>not</em> take locale into account,
* and will result in an unsatisfactory ordering for certain locales.
* The java.text package provides <em>collators</em> to allow
* locale-sensitive ordering.
*
* @param str the <code>String</code> to be compared.
* @return a negative integer, zero, or a positive integer as the
* the specified String is greater than, equal to, or less
* than this String, ignoring case considerations.
* @see java.text.Collator#compare(String, String)
* @since 1.2
*/
public int compareToIgnoreCase(XMLString str)
{
return m_str.compareToIgnoreCase(str.toString());
}
/**
* Tests if this string starts with the specified prefix beginning
* a specified index.
*
* @param prefix the prefix.
* @param toffset where to begin looking in the string.
* @return <code>true</code> if the character sequence represented by the
* argument is a prefix of the substring of this object starting
* at index <code>toffset</code>; <code>false</code> otherwise.
* The result is <code>false</code> if <code>toffset</code> is
* negative or greater than the length of this
* <code>String</code> object; otherwise the result is the same
* as the result of the expression
* <pre>
* this.subString(toffset).startsWith(prefix)
* </pre>
* @exception java.lang.NullPointerException if <code>prefix</code> is
* <code>null</code>.
*/
public boolean startsWith(String prefix, int toffset)
{
return m_str.startsWith(prefix, toffset);
}
/**
* Tests if this string starts with the specified prefix beginning
* a specified index.
*
* @param prefix the prefix.
* @param toffset where to begin looking in the string.
* @return <code>true</code> if the character sequence represented by the
* argument is a prefix of the substring of this object starting
* at index <code>toffset</code>; <code>false</code> otherwise.
* The result is <code>false</code> if <code>toffset</code> is
* negative or greater than the length of this
* <code>String</code> object; otherwise the result is the same
* as the result of the expression
* <pre>
* this.subString(toffset).startsWith(prefix)
* </pre>
* @exception java.lang.NullPointerException if <code>prefix</code> is
* <code>null</code>.
*/
public boolean startsWith(XMLString prefix, int toffset)
{
return m_str.startsWith(prefix.toString(), toffset);
}
/**
* Tests if this string starts with the specified prefix.
*
* @param prefix the prefix.
* @return <code>true</code> if the character sequence represented by the
* argument is a prefix of the character sequence represented by
* this string; <code>false</code> otherwise.
* Note also that <code>true</code> will be returned if the
* argument is an empty string or is equal to this
* <code>String</code> object as determined by the
* {@link #equals(Object)} method.
* @exception java.lang.NullPointerException if <code>prefix</code> is
* <code>null</code>.
* @since JDK1. 0
*/
public boolean startsWith(String prefix)
{
return m_str.startsWith(prefix);
}
/**
* Tests if this string starts with the specified prefix.
*
* @param prefix the prefix.
* @return <code>true</code> if the character sequence represented by the
* argument is a prefix of the character sequence represented by
* this string; <code>false</code> otherwise.
* Note also that <code>true</code> will be returned if the
* argument is an empty string or is equal to this
* <code>String</code> object as determined by the
* {@link #equals(Object)} method.
* @exception java.lang.NullPointerException if <code>prefix</code> is
* <code>null</code>.
* @since JDK1. 0
*/
public boolean startsWith(XMLString prefix)
{
return m_str.startsWith(prefix.toString());
}
/**
* Tests if this string ends with the specified suffix.
*
* @param suffix the suffix.
* @return <code>true</code> if the character sequence represented by the
* argument is a suffix of the character sequence represented by
* this object; <code>false</code> otherwise. Note that the
* result will be <code>true</code> if the argument is the
* empty string or is equal to this <code>String</code> object
* as determined by the {@link #equals(Object)} method.
* @exception java.lang.NullPointerException if <code>suffix</code> is
* <code>null</code>.
*/
public boolean endsWith(String suffix)
{
return m_str.endsWith(suffix);
}
/**
* Returns a hashcode for this string. The hashcode for a
* <code>String</code> object is computed as
* <blockquote><pre>
* s[0]*31^(n-1) + s[1]*31^(n-2) + ... + s[n-1]
* </pre></blockquote>
* using <code>int</code> arithmetic, where <code>s[i]</code> is the
* <i>i</i>th character of the string, <code>n</code> is the length of
* the string, and <code>^</code> indicates exponentiation.
* (The hash value of the empty string is zero.)
*
* @return a hash code value for this object.
*/
public int hashCode()
{
return m_str.hashCode();
}
/**
* Returns the index within this string of the first occurrence of the
* specified character. If a character with value <code>ch</code> occurs
* in the character sequence represented by this <code>String</code>
* object, then the index of the first such occurrence is returned --
* that is, the smallest value <i>k</i> such that:
* <blockquote><pre>
* this.charAt(<i>k</i>) == ch
* </pre></blockquote>
* is <code>true</code>. If no such character occurs in this string,
* then <code>-1</code> is returned.
*
* @param ch a character.
* @return the index of the first occurrence of the character in the
* character sequence represented by this object, or
* <code>-1</code> if the character does not occur.
*/
public int indexOf(int ch)
{
return m_str.indexOf(ch);
}
/**
* Returns the index within this string of the first occurrence of the
* specified character, starting the search at the specified index.
* <p>
* If a character with value <code>ch</code> occurs in the character
* sequence represented by this <code>String</code> object at an index
* no smaller than <code>fromIndex</code>, then the index of the first
* such occurrence is returned--that is, the smallest value <i>k</i>
* such that:
* <blockquote><pre>
* (this.charAt(<i>k</i>) == ch) && (<i>k</i> >= fromIndex)
* </pre></blockquote>
* is true. If no such character occurs in this string at or after
* position <code>fromIndex</code>, then <code>-1</code> is returned.
* <p>
* There is no restriction on the value of <code>fromIndex</code>. If it
* is negative, it has the same effect as if it were zero: this entire
* string may be searched. If it is greater than the length of this
* string, it has the same effect as if it were equal to the length of
* this string: <code>-1</code> is returned.
*
* @param ch a character.
* @param fromIndex the index to start the search from.
* @return the index of the first occurrence of the character in the
* character sequence represented by this object that is greater
* than or equal to <code>fromIndex</code>, or <code>-1</code>
* if the character does not occur.
*/
public int indexOf(int ch, int fromIndex)
{
return m_str.indexOf(ch, fromIndex);
}
/**
* Returns the index within this string of the last occurrence of the
* specified character. That is, the index returned is the largest
* value <i>k</i> such that:
* <blockquote><pre>
* this.charAt(<i>k</i>) == ch
* </pre></blockquote>
* is true.
* The String is searched backwards starting at the last character.
*
* @param ch a character.
* @return the index of the last occurrence of the character in the
* character sequence represented by this object, or
* <code>-1</code> if the character does not occur.
*/
public int lastIndexOf(int ch)
{
return m_str.lastIndexOf(ch);
}
/**
* Returns the index within this string of the last occurrence of the
* specified character, searching backward starting at the specified
* index. That is, the index returned is the largest value <i>k</i>
* such that:
* <blockquote><pre>
* this.charAt(k) == ch) && (k <= fromIndex)
* </pre></blockquote>
* is true.
*
* @param ch a character.
* @param fromIndex the index to start the search from. There is no
* restriction on the value of <code>fromIndex</code>. If it is
* greater than or equal to the length of this string, it has
* the same effect as if it were equal to one less than the
* length of this string: this entire string may be searched.
* If it is negative, it has the same effect as if it were -1:
* -1 is returned.
* @return the index of the last occurrence of the character in the
* character sequence represented by this object that is less
* than or equal to <code>fromIndex</code>, or <code>-1</code>
* if the character does not occur before that point.
*/
public int lastIndexOf(int ch, int fromIndex)
{
return m_str.lastIndexOf(ch, fromIndex);
}
/**
* Returns the index within this string of the first occurrence of the
* specified substring. The integer returned is the smallest value
* <i>k</i> such that:
* <blockquote><pre>
* this.startsWith(str, <i>k</i>)
* </pre></blockquote>
* is <code>true</code>.
*
* @param str any string.
* @return if the string argument occurs as a substring within this
* object, then the index of the first character of the first
* such substring is returned; if it does not occur as a
* substring, <code>-1</code> is returned.
* @exception java.lang.NullPointerException if <code>str</code> is
* <code>null</code>.
*/
public int indexOf(String str)
{
return m_str.indexOf(str);
}
/**
* Returns the index within this string of the first occurrence of the
* specified substring. The integer returned is the smallest value
* <i>k</i> such that:
* <blockquote><pre>
* this.startsWith(str, <i>k</i>)
* </pre></blockquote>
* is <code>true</code>.
*
* @param str any string.
* @return if the string argument occurs as a substring within this
* object, then the index of the first character of the first
* such substring is returned; if it does not occur as a
* substring, <code>-1</code> is returned.
* @exception java.lang.NullPointerException if <code>str</code> is
* <code>null</code>.
*/
public int indexOf(XMLString str)
{
return m_str.indexOf(str.toString());
}
/**
* Returns the index within this string of the first occurrence of the
* specified substring, starting at the specified index. The integer
* returned is the smallest value <i>k</i> such that:
* <blockquote><pre>
* this.startsWith(str, <i>k</i>) && (<i>k</i> >= fromIndex)
* </pre></blockquote>
* is <code>true</code>.
* <p>
* There is no restriction on the value of <code>fromIndex</code>. If
* it is negative, it has the same effect as if it were zero: this entire
* string may be searched. If it is greater than the length of this
* string, it has the same effect as if it were equal to the length of
* this string: <code>-1</code> is returned.
*
* @param str the substring to search for.
* @param fromIndex the index to start the search from.
* @return If the string argument occurs as a substring within this
* object at a starting index no smaller than
* <code>fromIndex</code>, then the index of the first character
* of the first such substring is returned. If it does not occur
* as a substring starting at <code>fromIndex</code> or beyond,
* <code>-1</code> is returned.
* @exception java.lang.NullPointerException if <code>str</code> is
* <code>null</code>
*/
public int indexOf(String str, int fromIndex)
{
return m_str.indexOf(str, fromIndex);
}
/**
* Returns the index within this string of the rightmost occurrence
* of the specified substring. The rightmost empty string "" is
* considered to occur at the index value <code>this.length()</code>.
* The returned index is the largest value <i>k</i> such that
* <blockquote><pre>
* this.startsWith(str, k)
* </pre></blockquote>
* is true.
*
* @param str the substring to search for.
* @return if the string argument occurs one or more times as a substring
* within this object, then the index of the first character of
* the last such substring is returned. If it does not occur as
* a substring, <code>-1</code> is returned.
* @exception java.lang.NullPointerException if <code>str</code> is
* <code>null</code>.
*/
public int lastIndexOf(String str)
{
return m_str.lastIndexOf(str);
}
/**
* Returns the index within this string of the last occurrence of
* the specified substring.
*
* @param str the substring to search for.
* @param fromIndex the index to start the search from. There is no
* restriction on the value of fromIndex. If it is greater than
* the length of this string, it has the same effect as if it
* were equal to the length of this string: this entire string
* may be searched. If it is negative, it has the same effect
* as if it were -1: -1 is returned.
* @return If the string argument occurs one or more times as a substring
* within this object at a starting index no greater than
* <code>fromIndex</code>, then the index of the first character of
* the last such substring is returned. If it does not occur as a
* substring starting at <code>fromIndex</code> or earlier,
* <code>-1</code> is returned.
* @exception java.lang.NullPointerException if <code>str</code> is
* <code>null</code>.
*/
public int lastIndexOf(String str, int fromIndex)
{
return m_str.lastIndexOf(str, fromIndex);
}
/**
* Returns a new string that is a substring of this string. The
* substring begins with the character at the specified index and
* extends to the end of this string. <p>
* Examples:
* <blockquote><pre>
* "unhappy".substring(2) returns "happy"
* "Harbison".substring(3) returns "bison"
* "emptiness".substring(9) returns "" (an empty string)
* </pre></blockquote>
*
* @param beginIndex the beginning index, inclusive.
* @return the specified substring.
* @exception IndexOutOfBoundsException if
* <code>beginIndex</code> is negative or larger than the
* length of this <code>String</code> object.
*/
public XMLString substring(int beginIndex)
{
return new XMLStringDefault(m_str.substring(beginIndex));
}
/**
* Returns a new string that is a substring of this string. The
* substring begins at the specified <code>beginIndex</code> and
* extends to the character at index <code>endIndex - 1</code>.
* Thus the length of the substring is <code>endIndex-beginIndex</code>.
*
* @param beginIndex the beginning index, inclusive.
* @param endIndex the ending index, exclusive.
* @return the specified substring.
* @exception IndexOutOfBoundsException if the
* <code>beginIndex</code> is negative, or
* <code>endIndex</code> is larger than the length of
* this <code>String</code> object, or
* <code>beginIndex</code> is larger than
* <code>endIndex</code>.
*/
public XMLString substring(int beginIndex, int endIndex)
{
return new XMLStringDefault(m_str.substring(beginIndex, endIndex));
}
/**
* Concatenates the specified string to the end of this string.
*
* @param str the <code>String</code> that is concatenated to the end
* of this <code>String</code>.
* @return a string that represents the concatenation of this object's
* characters followed by the string argument's characters.
* @exception java.lang.NullPointerException if <code>str</code> is
* <code>null</code>.
*/
public XMLString concat(String str)
{
return new XMLStringDefault(m_str.concat(str));
}
/**
* Converts all of the characters in this <code>String</code> to lower
* case using the rules of the given <code>Locale</code>.
*
* @param locale use the case transformation rules for this locale
* @return the String, converted to lowercase.
* @see java.lang.Character#toLowerCase(char)
* @see java.lang.String#toUpperCase(Locale)
*/
public XMLString toLowerCase(Locale locale)
{
return new XMLStringDefault(m_str.toLowerCase(locale));
}
/**
* Converts all of the characters in this <code>String</code> to lower
* case using the rules of the default locale, which is returned
* by <code>Locale.getDefault</code>.
* <p>
*
* @return the string, converted to lowercase.
* @see java.lang.Character#toLowerCase(char)
* @see java.lang.String#toLowerCase(Locale)
*/
public XMLString toLowerCase()
{
return new XMLStringDefault(m_str.toLowerCase());
}
/**
* Converts all of the characters in this <code>String</code> to upper
* case using the rules of the given locale.
* @param locale use the case transformation rules for this locale
* @return the String, converted to uppercase.
* @see java.lang.Character#toUpperCase(char)
* @see java.lang.String#toLowerCase(Locale)
*/
public XMLString toUpperCase(Locale locale)
{
return new XMLStringDefault(m_str.toUpperCase(locale));
}
/**
* Converts all of the characters in this <code>String</code> to upper
* case using the rules of the default locale, which is returned
* by <code>Locale.getDefault</code>.
*
* <p>
* If no character in this string has a different uppercase version,
* based on calling the <code>toUpperCase</code> method defined by
* <code>Character</code>, then the original string is returned.
* <p>
* Otherwise, this method creates a new <code>String</code> object
* representing a character sequence identical in length to the
* character sequence represented by this <code>String</code> object and
* with every character equal to the result of applying the method
* <code>Character.toUpperCase</code> to the corresponding character of
* this <code>String</code> object. <p>
* Examples:
* <blockquote><pre>
* "Fahrvergn&uuml;gen".toUpperCase() returns "FAHRVERGN&Uuml;GEN"
* "Visit Ljubinje!".toUpperCase() returns "VISIT LJUBINJE!"
* </pre></blockquote>
*
* @return the string, converted to uppercase.
* @see java.lang.Character#toUpperCase(char)
* @see java.lang.String#toUpperCase(Locale)
*/
public XMLString toUpperCase()
{
return new XMLStringDefault(m_str.toUpperCase());
}
/**
* Removes white space from both ends of this string.
* <p>
* If this <code>String</code> object represents an empty character
* sequence, or the first and last characters of character sequence
* represented by this <code>String</code> object both have codes
* greater than <code>'&#92;u0020'</code> (the space character), then a
* reference to this <code>String</code> object is returned.
* <p>
* Otherwise, if there is no character with a code greater than
* <code>'&#92;u0020'</code> in the string, then a new
* <code>String</code> object representing an empty string is created
* and returned.
* <p>
* Otherwise, let <i>k</i> be the index of the first character in the
* string whose code is greater than <code>'&#92;u0020'</code>, and let
* <i>m</i> be the index of the last character in the string whose code
* is greater than <code>'&#92;u0020'</code>. A new <code>String</code>
* object is created, representing the substring of this string that
* begins with the character at index <i>k</i> and ends with the
* character at index <i>m</i>-that is, the result of
* <code>this.substring(<i>k</i>,&nbsp;<i>m</i>+1)</code>.
* <p>
* This method may be used to trim
* {@link Character#isSpace(char) whitespace} from the beginning and end
* of a string; in fact, it trims all ASCII control characters as well.
*
* @return this string, with white space removed from the front and end.
*/
public XMLString trim()
{
return new XMLStringDefault(m_str.trim());
}
/**
* This object (which is already a string!) is itself returned.
*
* @return the string itself.
*/
public String toString()
{
return m_str;
}
/**
* Tell if this object contains a java String object.
*
* @return true if this XMLString can return a string without creating one.
*/
public boolean hasString()
{
return true;
}
/**
* Convert a string to a double -- Allowed input is in fixed
* notation ddd.fff.
*
* @return A double value representation of the string, or return Double.NaN
* if the string can not be converted.
*/
public double toDouble()
{
try {
return Double.valueOf(m_str).doubleValue();
}
catch (NumberFormatException nfe)
{
return Double.NaN;
}
}
}
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