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| SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> | |
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| org.apache.xml.serializer</FONT> | |
| <BR> | |
| Class EncodingInfo</H2> | |
| <PRE> | |
| java.lang.Object | |
| <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.xml.serializer.EncodingInfo</B> | |
| </PRE> | |
| <HR> | |
| <DL> | |
| <DT><PRE>public final class <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.60"><B>EncodingInfo</B></A><DT>extends java.lang.Object</DL> | |
| </PRE> | |
| <P> | |
| Holds information about a given encoding, which is the Java name for the | |
| encoding, the equivalent ISO name. | |
| <p> | |
| An object of this type has two useful methods | |
| <pre> | |
| isInEncoding(char ch); | |
| </pre> | |
| which can be called if the character is not the high one in | |
| a surrogate pair and: | |
| <pre> | |
| isInEncoding(char high, char low); | |
| </pre> | |
| which can be called if the two characters from a high/low surrogate pair. | |
| <p> | |
| An EncodingInfo object is a node in a binary search tree. Such a node | |
| will answer if a character is in the encoding, and do so for a given | |
| range of unicode values (<code>m_first</code> to | |
| <code>m_last</code>). It will handle a certain range of values | |
| explicitly (<code>m_explFirst</code> to <code>m_explLast</code>). | |
| If the unicode point is before that explicit range, that is it | |
| is in the range <code>m_first <= value < m_explFirst</code>, then it will delegate to another EncodingInfo object for The root | |
| of such a tree, m_before. Likewise for values in the range | |
| <code>m_explLast < value <= m_last</code>, but delgating to <code>m_after</code> | |
| <p> | |
| Actually figuring out if a code point is in the encoding is expensive. So the | |
| purpose of this tree is to cache such determinations, and not to build the | |
| entire tree of information at the start, but only build up as much of the | |
| tree as is used during the transformation. | |
| <p> | |
| This Class is not a public API, and should only be used internally within | |
| the serializer. | |
| <p> | |
| This class is not a public API. | |
| <P> | |
| <P> | |
| <HR> | |
| <P> | |
| <!-- ======== NESTED CLASS SUMMARY ======== --> | |
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| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>private class</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.EncodingImpl.html" title="class in org.apache.xml.serializer">EncodingInfo.EncodingImpl</A></B></CODE> | |
| <BR> | |
| This class implements the</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>private static interface</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.InEncoding.html" title="interface in org.apache.xml.serializer">EncodingInfo.InEncoding</A></B></CODE> | |
| <BR> | |
| A simple interface to isolate the implementation.</TD> | |
| </TR> | |
| </TABLE> | |
| <!-- =========== FIELD SUMMARY =========== --> | |
| <A NAME="field_summary"><!-- --></A> | |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> | |
| <B>Field Summary</B></FONT></TH> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>(package private) java.lang.String</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#javaName">javaName</A></B></CODE> | |
| <BR> | |
| The name used by the Java convertor.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>private <A HREF="../../../../org/apache/xml/serializer/EncodingInfo.InEncoding.html" title="interface in org.apache.xml.serializer">EncodingInfo.InEncoding</A></CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#m_encoding">m_encoding</A></B></CODE> | |
| <BR> | |
| A helper object that we can ask if a | |
| single char, or a surrogate UTF-16 pair | |
| of chars that form a single character, | |
| is in this encoding.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>private char</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#m_highCharInContiguousGroup">m_highCharInContiguousGroup</A></B></CODE> | |
| <BR> | |
| Not all characters in an encoding are in on contiguous group, | |
| however there is a lowest contiguous group starting at '' | |
| and working up to m_highCharInContiguousGroup.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>(package private) java.lang.String</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#name">name</A></B></CODE> | |
| <BR> | |
| The ISO encoding name.</TD> | |
| </TR> | |
| </TABLE> | |
| | |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> | |
| <A NAME="constructor_summary"><!-- --></A> | |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> | |
| <B>Constructor Summary</B></FONT></TH> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#EncodingInfo(java.lang.String, java.lang.String, char)">EncodingInfo</A></B>(java.lang.String name, | |
| java.lang.String javaName, | |
| char highChar)</CODE> | |
| <BR> | |
| Create an EncodingInfo object based on the ISO name and Java name.</TD> | |
| </TR> | |
| </TABLE> | |
| | |
| <!-- ========== METHOD SUMMARY =========== --> | |
| <A NAME="method_summary"><!-- --></A> | |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> | |
| <B>Method Summary</B></FONT></TH> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE> char</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#getHighChar()">getHighChar</A></B>()</CODE> | |
| <BR> | |
| This method exists for performance reasons.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>private static boolean</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#inEncoding(char, byte[])">inEncoding</A></B>(char ch, | |
| byte[] data)</CODE> | |
| <BR> | |
| This method is the core of determining if character | |
| is in the encoding.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>private static boolean</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#inEncoding(char, char, java.lang.String)">inEncoding</A></B>(char high, | |
| char low, | |
| java.lang.String encoding)</CODE> | |
| <BR> | |
| This is heart of the code that determines if a given high/low | |
| surrogate pair forms a character that is in the given encoding.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE>private static boolean</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#inEncoding(char, java.lang.String)">inEncoding</A></B>(char ch, | |
| java.lang.String encoding)</CODE> | |
| <BR> | |
| This is heart of the code that determines if a given character | |
| is in the given encoding.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE> boolean</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#isInEncoding(char)">isInEncoding</A></B>(char ch)</CODE> | |
| <BR> | |
| This is not a public API.</TD> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> | |
| <CODE> boolean</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#isInEncoding(char, char)">isInEncoding</A></B>(char high, | |
| char low)</CODE> | |
| <BR> | |
| This is not a public API.</TD> | |
| </TR> | |
| </TABLE> | |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> | |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> | |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH> | |
| </TR> | |
| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD> | |
| </TR> | |
| </TABLE> | |
| | |
| <P> | |
| <!-- ============ FIELD DETAIL =========== --> | |
| <A NAME="field_detail"><!-- --></A> | |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> | |
| <B>Field Detail</B></FONT></TH> | |
| </TR> | |
| </TABLE> | |
| <A NAME="m_highCharInContiguousGroup"><!-- --></A><H3> | |
| m_highCharInContiguousGroup</H3> | |
| <PRE> | |
| private final char <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.76"><B>m_highCharInContiguousGroup</B></A></PRE> | |
| <DL> | |
| <DD>Not all characters in an encoding are in on contiguous group, | |
| however there is a lowest contiguous group starting at '' | |
| and working up to m_highCharInContiguousGroup. | |
| <p> | |
| This is the char for which chars at or below this value are | |
| definately in the encoding, although for chars | |
| above this point they might be in the encoding. | |
| This exists for performance, especially for ASCII characters | |
| because for ASCII all chars in the range '' to '' | |
| are in the encoding. | |
| <P> | |
| <DL> | |
| </DL> | |
| </DL> | |
| <HR> | |
| <A NAME="name"><!-- --></A><H3> | |
| name</H3> | |
| <PRE> | |
| final java.lang.String <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.81"><B>name</B></A></PRE> | |
| <DL> | |
| <DD>The ISO encoding name. | |
| <P> | |
| <DL> | |
| </DL> | |
| </DL> | |
| <HR> | |
| <A NAME="javaName"><!-- --></A><H3> | |
| javaName</H3> | |
| <PRE> | |
| final java.lang.String <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.86"><B>javaName</B></A></PRE> | |
| <DL> | |
| <DD>The name used by the Java convertor. | |
| <P> | |
| <DL> | |
| </DL> | |
| </DL> | |
| <HR> | |
| <A NAME="m_encoding"><!-- --></A><H3> | |
| m_encoding</H3> | |
| <PRE> | |
| private <A HREF="../../../../org/apache/xml/serializer/EncodingInfo.InEncoding.html" title="interface in org.apache.xml.serializer">EncodingInfo.InEncoding</A> <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.94"><B>m_encoding</B></A></PRE> | |
| <DL> | |
| <DD>A helper object that we can ask if a | |
| single char, or a surrogate UTF-16 pair | |
| of chars that form a single character, | |
| is in this encoding. | |
| <P> | |
| <DL> | |
| </DL> | |
| </DL> | |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> | |
| <A NAME="constructor_detail"><!-- --></A> | |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> | |
| <B>Constructor Detail</B></FONT></TH> | |
| </TR> | |
| </TABLE> | |
| <A NAME="EncodingInfo(java.lang.String, java.lang.String, char)"><!-- --></A><H3> | |
| EncodingInfo</H3> | |
| <PRE> | |
| public <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.149"><B>EncodingInfo</B></A>(java.lang.String name, | |
| java.lang.String javaName, | |
| char highChar)</PRE> | |
| <DL> | |
| <DD>Create an EncodingInfo object based on the ISO name and Java name. | |
| If both parameters are null any character will be considered to | |
| be in the encoding. This is useful for when the serializer is in | |
| temporary output state, and has no assciated encoding. | |
| <P> | |
| <DL> | |
| <DT><B>Parameters:</B><DD><CODE>name</CODE> - reference to the ISO name.<DD><CODE>javaName</CODE> - reference to the Java encoding name.<DD><CODE>highChar</CODE> - The char for which characters at or below this value are | |
| definately in the | |
| encoding, although for characters above this point they might be in the encoding.</DL> | |
| </DL> | |
| <!-- ============ METHOD DETAIL ========== --> | |
| <A NAME="method_detail"><!-- --></A> | |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> | |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> | |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> | |
| <B>Method Detail</B></FONT></TH> | |
| </TR> | |
| </TABLE> | |
| <A NAME="isInEncoding(char)"><!-- --></A><H3> | |
| isInEncoding</H3> | |
| <PRE> | |
| public boolean <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.104"><B>isInEncoding</B></A>(char ch)</PRE> | |
| <DL> | |
| <DD>This is not a public API. It returns true if the | |
| char in question is in the encoding. | |
| <P> | |
| <DD><DL> | |
| <DT><B>Parameters:</B><DD><CODE>ch</CODE> - the char in question. | |
| <p> | |
| This method is not a public API.</DL> | |
| </DD> | |
| </DL> | |
| <HR> | |
| <A NAME="isInEncoding(char, char)"><!-- --></A><H3> | |
| isInEncoding</H3> | |
| <PRE> | |
| public boolean <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.125"><B>isInEncoding</B></A>(char high, | |
| char low)</PRE> | |
| <DL> | |
| <DD>This is not a public API. It returns true if the | |
| character formed by the high/low pair is in the encoding. | |
| <P> | |
| <DD><DL> | |
| <DT><B>Parameters:</B><DD><CODE>high</CODE> - a char that the a high char of a high/low surrogate pair.<DD><CODE>low</CODE> - a char that is the low char of a high/low surrogate pair. | |
| <p> | |
| This method is not a public API.</DL> | |
| </DD> | |
| </DL> | |
| <HR> | |
| <A NAME="inEncoding(char, java.lang.String)"><!-- --></A><H3> | |
| inEncoding</H3> | |
| <PRE> | |
| private static boolean <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.425"><B>inEncoding</B></A>(char ch, | |
| java.lang.String encoding)</PRE> | |
| <DL> | |
| <DD>This is heart of the code that determines if a given character | |
| is in the given encoding. This method is probably expensive, | |
| and the answer should be cached. | |
| <p> | |
| This method is not a public API, | |
| and should only be used internally within the serializer. | |
| <P> | |
| <DD><DL> | |
| <DT><B>Parameters:</B><DD><CODE>ch</CODE> - the char in question, that is not a high char of | |
| a high/low surrogate pair.<DD><CODE>encoding</CODE> - the Java name of the enocding.</DL> | |
| </DD> | |
| </DL> | |
| <HR> | |
| <A NAME="inEncoding(char, char, java.lang.String)"><!-- --></A><H3> | |
| inEncoding</H3> | |
| <PRE> | |
| private static boolean <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.464"><B>inEncoding</B></A>(char high, | |
| char low, | |
| java.lang.String encoding)</PRE> | |
| <DL> | |
| <DD>This is heart of the code that determines if a given high/low | |
| surrogate pair forms a character that is in the given encoding. | |
| This method is probably expensive, and the answer should be cached. | |
| <p> | |
| This method is not a public API, | |
| and should only be used internally within the serializer. | |
| <P> | |
| <DD><DL> | |
| <DT><B>Parameters:</B><DD><CODE>high</CODE> - the high char of | |
| a high/low surrogate pair.<DD><CODE>low</CODE> - the low char of a high/low surrogate pair.<DD><CODE>encoding</CODE> - the Java name of the encoding.</DL> | |
| </DD> | |
| </DL> | |
| <HR> | |
| <A NAME="inEncoding(char, byte[])"><!-- --></A><H3> | |
| inEncoding</H3> | |
| <PRE> | |
| private static boolean <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.494"><B>inEncoding</B></A>(char ch, | |
| byte[] data)</PRE> | |
| <DL> | |
| <DD>This method is the core of determining if character | |
| is in the encoding. The method is not foolproof, because | |
| s.getBytes(encoding) has specified behavior only if the | |
| characters are in the specified encoding. However this | |
| method tries it's best. | |
| <P> | |
| <DD><DL> | |
| <DT><B>Parameters:</B><DD><CODE>ch</CODE> - the char that was converted using getBytes, or | |
| the first char of a high/low pair that was converted.<DD><CODE>data</CODE> - the bytes written out by the call to s.getBytes(encoding); | |
| <DT><B>Returns:</B><DD>true if the character is in the encoding.</DL> | |
| </DD> | |
| </DL> | |
| <HR> | |
| <A NAME="getHighChar()"><!-- --></A><H3> | |
| getHighChar</H3> | |
| <PRE> | |
| public final char <A HREF="../../../../src-html/org/apache/xml/serializer/EncodingInfo.html#line.558"><B>getHighChar</B></A>()</PRE> | |
| <DL> | |
| <DD>This method exists for performance reasons. | |
| <p> | |
| Except for '�', if a char is less than or equal to the value | |
| returned by this method then it in the encoding. | |
| <p> | |
| The characters in an encoding are not contiguous, however | |
| there is a lowest group of chars starting at '' upto and | |
| including the char returned by this method that are all in the encoding. | |
| So the char returned by this method essentially defines the lowest | |
| contiguous group. | |
| <p> | |
| chars above the value returned might be in the encoding, but | |
| chars at or below the value returned are definately in the encoding. | |
| <p> | |
| In any case however, the isInEncoding(char) method can be used | |
| regardless of the value of the char returned by this method. | |
| <p> | |
| If the value returned is '�' it means that every character must be tested | |
| with an isInEncoding method <A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#isInEncoding(char)"><CODE>isInEncoding(char)</CODE></A> or <A HREF="../../../../org/apache/xml/serializer/EncodingInfo.html#isInEncoding(char, char)"><CODE>isInEncoding(char, char)</CODE></A> | |
| for surrogate pairs. | |
| <p> | |
| This method is not a public API. | |
| <P> | |
| <DD><DL> | |
| </DL> | |
| </DD> | |
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