97 lines
6.1 KiB
HTML
97 lines
6.1 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="DC.Title" content="Generating an SCS data stream" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Generating an SCS data stream</title>
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</head>
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<body id="printscs"><a name="printscs"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Generating an SCS data stream</h1>
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<div><p></p>
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<div class="section"><p>To generate spooled files that will print on certain printers
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attached to the server, an SNA Character Stream (SCS) data stream must be
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created. (SCS is a text-based, EBCDIC data stream that can be printed on SCS
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printers, IPDS™ printers,
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or to PC printers.) SCS can be printed by converting it using an emulator
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or the host print transform on the server.</p>
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<p>You can use the SCS writer
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classes to generate such an SCS data stream. The SCS writer classes convert Java™ Unicode
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characters and formatting options into an SCS data stream. Five SCS writer
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classes generate varying levels of SCS data streams. The caller chooses the
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writer that matches the final printer destination to which the caller or end
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user will be printing.</p>
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<p>Use the following SCS writer classes to generate
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an SCS printer data stream:</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="border" border="1" rules="all"><thead align="left"><tr class="tablemainheaderbar"><th valign="top" width="50%" id="d0e30">SCS writer class</th>
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<th valign="top" width="50%" id="d0e32">Description</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" width="50%" headers="d0e30 "><a href="javadoc/com/ibm/as400/access/SCS5256Writer.html"> SCS5256Writer</a></td>
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<td valign="top" width="50%" headers="d0e32 ">The simplest SCS writer class. Supports text, carriage return, line
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feed, new line, form feed, absolute horizontal and vertical positioning, relative
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horizontal and vertical positioning, and set vertical format.</td>
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</tr>
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<tr><td valign="top" width="50%" headers="d0e30 "><a href="javadoc/com/ibm/as400/access/SCS5224Writer.html"> SCS5224Writer</a></td>
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<td valign="top" width="50%" headers="d0e32 ">Extends the 5256 writer and adds methods to set character per inch
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(CPI) and lines per inch (LPI).</td>
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</tr>
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<tr><td valign="top" width="50%" headers="d0e30 "><a href="javadoc/com/ibm/as400/access/SCS5219Writer.html"> SCS5219Writer</a></td>
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<td valign="top" width="50%" headers="d0e32 ">Extends the 5224 writer and adds support for left margin, underline,
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form type (paper or envelope), form size, print quality, code page, character
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set, source drawer number, and destination drawer number.</td>
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</tr>
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<tr><td valign="top" width="50%" headers="d0e30 "><a href="javadoc/com/ibm/as400/access/SCS5553Writer.html"> SCS5553Writer</a></td>
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<td valign="top" width="50%" headers="d0e32 ">Extends the 5219 writer and adds support for character rotation, grid
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lines, and font scaling. The 5553 is a double-byte character set (DBCS) data
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stream.</td>
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</tr>
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<tr><td valign="top" width="50%" headers="d0e30 "><a href="javadoc/com/ibm/as400/access/SCS3812Writer.html"> SCS3812Writer</a></td>
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<td valign="top" width="50%" headers="d0e32 ">Extends the 5219 writer and adds support for bold, duplex, text orientation,
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and fonts.</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>To construct an SCS writer, the caller needs an output stream and,
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optionally, an encoding. The data stream is written to the output stream.
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To create an SCS spooled file, the caller first constructs a SpooledFileOutputStream,
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and then uses that to construct an SCS writer object. The encoding parameter
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gives a target EBCDIC coded character set identifier (CCSID) to convert the
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characters to.</p>
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<p>Once the writer is constructed, use the <a href="javadoc/com/ibm/as400/access/SCS5256Writer.html#WRITE(CHAR[], INT, INT)"> write()</a> methods to output text. Use the <a href="javadoc/com/ibm/as400/access/SCS5256Writer.html#CARRIAGERETURN()"> carriageReturn()</a>, <a href="javadoc/com/ibm/as400/access/SCS5256Writer.html#LINEFEED()"> lineFeed()</a>, and <a href="javadoc/com/ibm/as400/access/SCS5256Writer.html#NEWLINE()"> newLine()</a> methods to position the write cursor on the
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page. Use the <a href="javadoc/com/ibm/as400/access/SCS5256Writer.html#ENDPAGE()"> endPage()</a> method to end the current page and start a
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new page.</p>
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<p>When all of the data has been written, use the <a href="javadoc/com/ibm/as400/access/SCS5256Writer.html#CLOSE()"> close()</a> method
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to end the data stream and close the output stream.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Example</h4><p>The following example shows how to generate
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a SCS data stream using the SCS3812Writer class, and how to write the stream
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to a spooled file on the server:</p>
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<blockquote><a href="npexamplecreatescssplf.htm#npexamplecreatescssplf">Example:
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Creating SCS spooled files</a></blockquote>
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</div>
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</div>
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</body>
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