itextoutputfilter.html

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<DL>
<DD>Request key where to store the desired DocWriter class name.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.lowagie.servlets.ITextOutputFilter.DOCWRITER_KEY">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CONTENT_TYPE_KEY"><!-- --></A><H3>
CONTENT_TYPE_KEY</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>CONTENT_TYPE_KEY</B></PRE>
<DL>
<DD>Request key where to store the desired Content Type to send for the custom DocWriter.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.lowagie.servlets.ITextOutputFilter.CONTENT_TYPE_KEY">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="pageSize"><!-- --></A><H3>
pageSize</H3>
<PRE>
private <A HREF="../../../com/lowagie/text/Rectangle.html">Rectangle</A> <B>pageSize</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="outputType"><!-- --></A><H3>
outputType</H3>
<PRE>
private int <B>outputType</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="docWriter"><!-- --></A><H3>
docWriter</H3>
<PRE>
private <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>docWriter</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="contentType"><!-- --></A><H3>
contentType</H3>
<PRE>
private <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>contentType</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="PAGE_SIZE"><!-- --></A><H3>
PAGE_SIZE</H3>
<PRE>
private static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>PAGE_SIZE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.lowagie.servlets.ITextOutputFilter.PAGE_SIZE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="OUTPUT_TYPE"><!-- --></A><H3>
OUTPUT_TYPE</H3>
<PRE>
private static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>OUTPUT_TYPE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.lowagie.servlets.ITextOutputFilter.OUTPUT_TYPE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CUSTOM_WRITER"><!-- --></A><H3>
CUSTOM_WRITER</H3>
<PRE>
private static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>CUSTOM_WRITER</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.lowagie.servlets.ITextOutputFilter.CUSTOM_WRITER">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CONTENT_TYPE"><!-- --></A><H3>
CONTENT_TYPE</H3>
<PRE>
private static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>CONTENT_TYPE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.lowagie.servlets.ITextOutputFilter.CONTENT_TYPE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="INIT_PARAMS"><!-- --></A><H3>
INIT_PARAMS</H3>
<PRE>
private static final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Class.html">Class</A>[] <B>INIT_PARAMS</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="construtores"><!-- --></A><H3>
construtores</H3>
<PRE>
private final <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/HashMap.html">HashMap</A> <B>construtores</B></PRE>
<DL>
<DL>
</DL>
</DL>

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<A NAME="ITextOutputFilter()"><!-- --></A><H3>
ITextOutputFilter</H3>
<PRE>
public <B>ITextOutputFilter</B>()</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<A NAME="init(javax.servlet.FilterConfig)"><!-- --></A><H3>
init</H3>
<PRE>
public void <B>init</B>(javax.servlet.FilterConfig&nbsp;filterConfig)
          throws javax.servlet.ServletException</PRE>
<DL>
<DD><p>Initializes the filter. Possible configuration parameters are:</p>

  <ul>
      <li>pageSize: the desired default page size. This must be the name
      of a constant in the PageSize class. Default: A4.</li>

      <li>defaultOutput: The default output desired. Currently, only the
      writer bundled with iText are supported. Possible values are: PDF,
      RTF, XML, HTML. Default: PDF.</li>

      <li>writer: if by default you want to use a custom DocWriter, provide
      the class name in this parameter. The class must have a static
      method called "getInstance()" that receives two parameters: a
      <A HREF="../../../com/lowagie/text/Document.html"><CODE>Document</CODE></A> and an
      <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/io/OutputStream.html"><CODE>OutputStream</CODE></A>, just like the other
      DocWriters available with iText.</li>

      <li>contentType: if you define a custom writer, you may define a
      custom content type to be sent by default. If it is not provided,
      the default (PDF) will be used.</li>
  </ul>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>init</CODE> in interface <CODE>javax.servlet.Filter</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../com/lowagie/servlets/OutputFilterBase.html#init(javax.servlet.FilterConfig)">init</A></CODE> in class <CODE><A HREF="../../../com/lowagie/servlets/OutputFilterBase.html">OutputFilterBase</A></CODE></DL>
</DD>
<DD><DL>

<DD><CODE>javax.servlet.ServletException</CODE><DT><B>See Also:</B><DD><A HREF="../../../com/lowagie/text/PageSize.html"><CODE>PageSize</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="perform(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.io.InputStream)"><!-- --></A><H3>
perform</H3>
<PRE>
public void <B>perform</B>(javax.servlet.ServletRequest&nbsp;request,
                    javax.servlet.ServletResponse&nbsp;response,
                    <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/io/InputStream.html">InputStream</A>&nbsp;data)
             throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></PRE>
<DL>
<DD><p>Calls iText to turn the passed input stream into a document in
  the desired format (either the default, or a format passed as a
  request attribute). The input stream must contain a XML document in
  the format understood by iText. Currently, tag maps are not supported.</p>

  <p>The following atributes may be provided in the request to modify
  the target document:</p>

  <ul>
      <li>PAGE_SIZE_KEY: the page size. Must be an instance of
      <A HREF="../../../com/lowagie/text/Rectangle.html"><CODE>Rectangle</CODE></A>.</li>

      <li>OUTPUT_TYPE_KEY: the type of the output document. Must be an
      <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Integer.html"><CODE>Integer</CODE></A> containing one of the constant
       values defined in this class. Defaults to PDF.</li>
      
      <li>FILENAME_KEY: the file name to be sent to the browser, using the
      "Content-Disposition" HTTP header.</li>

      <li>TAGMAP_KEY: if you want to use a tagmap to translate the XML file
      then put either a HashMap or a String with the path to the tagmap
      file in this attribute.</li>      

      <li>DOCWRITER_KEY: if you want to use a custom DocWriter, put the 
      class name in this attribute. The class must have a method as
      described <A HREF="../../../com/lowagie/servlets/ITextOutputFilter.html#init(javax.servlet.FilterConfig)"><CODE>above</CODE></A>.</li>

      <li>CONTENT_TYPE_KEY: you may specify a custom content type <b>only</b>
      if you use a custom DocWriter. If a custom DocWriter is used and no
      content type is specified here, the default content type (either PDF
      or the content type defined for the default custom DocWriter) is
      used.</li>

  </ul>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../com/lowagie/servlets/OutputFilterBase.html#perform(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.io.InputStream)">perform</A></CODE> in class <CODE><A HREF="../../../com/lowagie/servlets/OutputFilterBase.html">OutputFilterBase</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>request</CODE> - The original request from the filter chain.<DD><CODE>response</CODE> - The original response from the filter chain.<DD><CODE>data</CODE> - The data collected from the called resources.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></CODE></DL>
</DD>
</DL>
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