metadataentity.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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<B>Method Summary</B></FONT></TD>
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<CODE>protected static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#appendLineSeparator(java.lang.StringBuffer)">appendLineSeparator</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/StringBuffer.html" title="class or interface in java.lang">StringBuffer</A>&nbsp;buffer)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add a line separator to the given buffer, except if the buffer is empty.
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<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#checkWritePermission()">checkWritePermission</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check if changes in the metadata are allowed. </TD>
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<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#copyCollection(java.util.Collection, java.util.Collection, java.lang.Class)">copyCollection</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&nbsp;source,
               <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&nbsp;target,
               <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;elementType)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Copy the content of one collection () into an other ().
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<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#freeze()">freeze</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Declare this metadata and all its attributes as unmodifiable. </TD>
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<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#isModifiable()">isModifiable</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns  if this metadata entity is modifiable.
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<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#nonNullCollection(java.util.Collection, java.lang.Class)">nonNullCollection</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&nbsp;c,
                  <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;elementType)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the specified collection, or a new one if  is null.
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<CODE>&nbsp;<A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html" title="class in org.geotools.metadata.iso">MetadataEntity</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#unmodifiable()">unmodifiable</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an unmodifiable copy of this metadata. </TD>
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<CODE>protected static&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#unmodifiable(java.lang.Object)">unmodifiable</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;object)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an unmodifiable copy of the the specified object. </TD>
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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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<B>Field Detail</B></FONT></TD>
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<A NAME="LOGGER"><!-- --></A><H3>
LOGGER</H3>
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protected static final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/logging/Logger.html" title="class or interface in java.util.logging">Logger</A> <B>LOGGER</B></PRE>
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<DD>The logger for metadata implementation.
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<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="MetadataEntity()"><!-- --></A><H3>
MetadataEntity</H3>
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protected <B>MetadataEntity</B>()</PRE>
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<DD>Construct a default metadata entity.
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<!-- ============ METHOD DETAIL ========== -->

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<A NAME="isModifiable()"><!-- --></A><H3>
isModifiable</H3>
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public boolean <B>isModifiable</B>()</PRE>
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<DD>Returns  if this metadata entity is modifiable.
 This method returns  if <A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#unmodifiable()"><CODE>unmodifiable()</CODE></A>
 has been invoked on this object.
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<A NAME="unmodifiable()"><!-- --></A><H3>
unmodifiable</H3>
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public <A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html" title="class in org.geotools.metadata.iso">MetadataEntity</A> <B>unmodifiable</B>()</PRE>
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<DD>Returns an unmodifiable copy of this metadata. Any attempt to modify an attribute of the
 returned object will throw an <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang"><CODE>UnsupportedOperationException</CODE></A>. If this metadata is
 already unmodifiable, then this method returns .
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<DT><B>Returns:</B><DD>An unmodifiable copy of this metadata.</DL>
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<A NAME="unmodifiable(java.lang.Object)"><!-- --></A><H3>
unmodifiable</H3>
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protected static <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>unmodifiable</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;object)</PRE>
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<DD>Returns an unmodifiable copy of the the specified object. This method is used for
 implementation of <A HREF="../../../../org/geotools/metadata/iso/MetadataEntity.html#freeze()"><CODE>freeze()</CODE></A> method by subclasses. This method performs the