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RecordGenerator.javaAPI DocApache Poi 3.0.16434Mon Jan 01 12:39:42 GMT 2007org.apache.poi.dev

RecordGenerator

public class RecordGenerator extends Object
Description of the Class
author
andy
since
May 10, 2002

Fields Summary
Constructors Summary
Methods Summary
private static voidgenerateRecords(java.lang.String defintionsDir, java.lang.String recordStyleDir, java.lang.String destSrcPathDir, java.lang.String testSrcPathDir)

        File definitionsFile = new File(defintionsDir);

        for (int i = 0; i < definitionsFile.listFiles().length; i++) {
            File file = definitionsFile.listFiles()[i];
            if (file.isFile() &&
                    (file.getName().endsWith("_record.xml") ||
                    file.getName().endsWith("_type.xml")
                    )
                    ) {
                // Get record name and package
                DocumentBuilderFactory factory =
                        DocumentBuilderFactory.newInstance();
                DocumentBuilder builder = factory.newDocumentBuilder();
                Document document = builder.parse(file);
                Element record = document.getDocumentElement();
                String extendstg = record.getElementsByTagName("extends").item(0).getFirstChild().getNodeValue();
                String suffix = record.getElementsByTagName("suffix").item(0).getFirstChild().getNodeValue();
                String recordName = record.getAttributes().getNamedItem("name").getNodeValue();
                String packageName = record.getAttributes().getNamedItem("package").getNodeValue();
                packageName = packageName.replace('.", '/");

                // Generate record
                String destinationPath = destSrcPathDir + "/" + packageName;
                File destinationPathFile = new File(destinationPath);
                destinationPathFile.mkdirs();
                String destinationFilepath = destinationPath + "/" + recordName + suffix + ".java";
                transform(file, new File(destinationFilepath), new File(recordStyleDir + "/" + extendstg.toLowerCase() + ".xsl"));
                System.out.println("Generated " + suffix + ": " + destinationFilepath);

                // Generate test (if not already generated)
                destinationPath = testSrcPathDir + "/" + packageName;
                destinationPathFile = new File(destinationPath);
                destinationPathFile.mkdirs();
                destinationFilepath = destinationPath + "/Test" + recordName + suffix + ".java";
                if (new File(destinationFilepath).exists() == false) {
                    String temp = (recordStyleDir + "/" + extendstg.toLowerCase() + "_test.xsl");
                    transform(file, new File(destinationFilepath), new File(temp));
                    System.out.println("Generated test: " + destinationFilepath);
                } else {
                    System.out.println("Skipped test generation: " + destinationFilepath);
                }
            }
        }
public static voidmain(java.lang.String[] args)
The main program for the RecordGenerator class

param
args The command line arguments
exception
Exception Description of the Exception

        // Force load so that we don't start generating records and realise this hasn't compiled yet.
        Class.forName("org.apache.poi.generator.FieldIterator");

        if (args.length != 4) {
            System.out.println("Usage:");
            System.out.println("  java org.apache.poi.hssf.util.RecordGenerator RECORD_DEFINTIONS RECORD_STYLES DEST_SRC_PATH TEST_SRC_PATH");
        } else {
            generateRecords(args[0], args[1], args[2], args[3]);
        }
private static voidtransform(java.io.File in, java.io.File out, java.io.File xslt)

Executes an XSL transformation. This process transforms an XML input file into a text output file controlled by an XSLT specification.

param
in the XML input file
param
out the text output file
param
xslt the XSLT specification, i.e. an XSL style sheet
throws
FileNotFoundException
throws
TransformerException

        final Reader r = new FileReader(xslt);
        final StreamSource ss = new StreamSource(r);
        final TransformerFactory tf = TransformerFactory.newInstance();
        final Transformer t;
        try
        {
            t = tf.newTransformer(ss);
        }
        catch (TransformerException ex)
        {
            System.err.println("Error compiling XSL style sheet " + xslt);
            throw ex;
        }
        final Properties p = new Properties();
        p.setProperty(OutputKeys.METHOD, "text");
        t.setOutputProperties(p);
        final Result result = new StreamResult(out);
        t.transform(new StreamSource(in), result);