datadefinition.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the max len of the data</TD>
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<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/index/DataDefinition.html#isValid()">isValid</A></B>()</CODE>

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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->


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<A NAME="DataDefinition(java.lang.String)"><!-- --></A><H3>
DataDefinition</H3>
<PRE>
public <B>DataDefinition</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;charset)</PRE>
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<A NAME="isValid()"><!-- --></A><H3>
isValid</H3>
<PRE>
public final boolean <B>isValid</B>()</PRE>
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<DD><DL>
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<A NAME="getFieldsCount()"><!-- --></A><H3>
getFieldsCount</H3>
<PRE>
public int <B>getFieldsCount</B>()</PRE>
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<DD><DL>
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<A NAME="getField(int)"><!-- --></A><H3>
getField</H3>
<PRE>
public <A HREF="../../../org/geotools/index/DataDefinition.Field.html" title="class in org.geotools.index">DataDefinition.Field</A> <B>getField</B>(int&nbsp;i)</PRE>
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<DD><DL>
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<A NAME="addField(java.lang.Class)"><!-- --></A><H3>
addField</H3>
<PRE>
public void <B>addField</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A>&nbsp;clazz)</PRE>
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<DD>Well known classes
 
 <ul>
 <li>
 Short
 </li>
 <li>
 Integer
 </li>
 <li>
 Long
 </li>
 <li>
 Float
 </li>
 <li>
 Double
 </li>
 <li>
 Date
 </li>
 </ul>
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<DD><DL>
<DT><B>Parameters:</B><DD><CODE>clazz</CODE> - 
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/geotools/index/TreeException.html" title="class in org.geotools.index">TreeException</A></CODE> - DOCUMENT ME!</DL>
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<A NAME="addField(int)"><!-- --></A><H3>
addField</H3>
<PRE>
public void <B>addField</B>(int&nbsp;len)</PRE>
<DL>
<DD>For classes with unknown length; this values will be threated as
 <code>String</code>s and truncated at the specified len
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<DD><DL>
<DT><B>Parameters:</B><DD><CODE>len</CODE> - </DL>
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<A NAME="getCharset()"><!-- --></A><H3>
getCharset</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/nio/charset/Charset.html" title="class or interface in java.nio.charset">Charset</A> <B>getCharset</B>()</PRE>
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<DD>DOCUMENT ME!
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<A NAME="getLen()"><!-- --></A><H3>
getLen</H3>
<PRE>
public int <B>getLen</B>()</PRE>
<DL>
<DD>Gets the max len of the data
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<DD><DL>
</DL>
</DD>
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<A NAME="getEncodedLen()"><!-- --></A><H3>
getEncodedLen</H3>
<PRE>
public int <B>getEncodedLen</B>()</PRE>
<DL>
<DD>Gets the len of this field after the encoding, this method may be
 different from getLen() only if exists strings in the definition
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