modelutil.html

开源项目smack的API文件

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<A NAME="concat(java.lang.String[])"><!-- --></A><H3>
concat</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>concat</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;strs)</PRE>
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<DD>Returns a single string that is the concatenation of all the
 strings in the specified string array.  A single space is
 put between each string array element.  Null array elements
 are skipped.  If the array itself is null, the empty string
 is returned.  This method is guaranteed to return a non-null
 value, if no expections are thrown.
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<A NAME="concat(java.lang.String[], java.lang.String)"><!-- --></A><H3>
concat</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>concat</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;strs,
                                  <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;delim)</PRE>
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<DD>Returns a single string that is the concatenation of all the
 strings in the specified string array.  The strings are separated
 by the specified delimiter.  Null array elements are skipped.  If
 the array itself is null, the empty string is returned.  This
 method is guaranteed to return a non-null value, if no expections
 are thrown.
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<A NAME="hasLength(java.lang.String)"><!-- --></A><H3>
hasLength</H3>
<PRE>
public static final boolean <B>hasLength</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</PRE>
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<DD>Returns <CODE>true</CODE> if the specified <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang"><CODE>String</CODE></A> is not
 <CODE>null</CODE> and has a length greater than zero.  This is
 a very frequently occurring check.
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<A NAME="nullifyIfEmpty(java.lang.String)"><!-- --></A><H3>
nullifyIfEmpty</H3>
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public static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>nullifyIfEmpty</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</PRE>
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<DD>Returns <CODE>null</CODE> if the specified string is empty or
 <CODE>null</CODE>.  Otherwise the string itself is returned.
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<A NAME="nullifyingToString(java.lang.Object)"><!-- --></A><H3>
nullifyingToString</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>nullifyingToString</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;o)</PRE>
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<DD>Returns <CODE>null</CODE> if the specified object is null
 or if its <CODE>toString()</CODE> representation is empty.
 Otherwise, the <CODE>toString()</CODE> representation of the
 object itself is returned.
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<A NAME="hasStringChanged(java.lang.String, java.lang.String)"><!-- --></A><H3>
hasStringChanged</H3>
<PRE>
public static boolean <B>hasStringChanged</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;oldString,
                                       <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;newString)</PRE>
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<DD>Determines if a string has been changed.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>oldString</CODE> - is the initial value of the String<DD><CODE>newString</CODE> - is the new value of the String
<DT><B>Returns:</B><DD>true If both oldString and newString are null or if they are
         both not null and equal to each other.  Otherwise returns false.</DL>
</DD>
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<A NAME="getTimeFromLong(long)"><!-- --></A><H3>
getTimeFromLong</H3>
<PRE>
public static <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getTimeFromLong</B>(long&nbsp;diff)</PRE>
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<A NAME="iteratorAsList(java.util.Iterator)"><!-- --></A><H3>
iteratorAsList</H3>
<PRE>
public static <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/List.html" title="class or interface in java.util">List</A> <B>iteratorAsList</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A>&nbsp;i)</PRE>
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<DD>Build a List of all elements in an Iterator.
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<A NAME="reverseListIterator(java.util.ListIterator)"><!-- --></A><H3>
reverseListIterator</H3>
<PRE>
public static <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A> <B>reverseListIterator</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/ListIterator.html" title="class or interface in java.util">ListIterator</A>&nbsp;i)</PRE>
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<DD>Creates an Iterator that is the reverse of a ListIterator.
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</DD>
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