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Ensure the indenting is consistent within the file, and then make some minor updates to the JavaDocs (language, clarity etc)

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1496952 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2013-06-26 14:57:36 +00:00
parent 1ae9e8eba6
commit 4c4d512d4a
1 changed files with 63 additions and 56 deletions
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119
src/ooxml/java/org/apache/poi/ss/usermodel/WorkbookFactory.java
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@ -33,62 +33,69 @@ import org.apache.poi.xssf.usermodel.XSSFWorkbook;
/**
* Factory for creating the appropriate kind of Workbook
* (be it HSSFWorkbook or XSSFWorkbook), from the given input
* (be it {@link HSSFWorkbook} or {@link XSSFWorkbook}),
* by auto-detecting from the supplied input.
*/
public class WorkbookFactory {
/**
* Creates an HSSFWorkbook from the given POIFSFileSystem
*/
public static Workbook create(POIFSFileSystem fs) throws IOException {
return new HSSFWorkbook(fs);
}
/**
* Creates an HSSFWorkbook from the given NPOIFSFileSystem
*/
public static Workbook create(NPOIFSFileSystem fs) throws IOException {
return new HSSFWorkbook(fs.getRoot(), true);
}
/**
* Creates an XSSFWorkbook from the given OOXML Package
*/
public static Workbook create(OPCPackage pkg) throws IOException {
return new XSSFWorkbook(pkg);
}
/**
* Creates the appropriate HSSFWorkbook / XSSFWorkbook from
* the given InputStream.
* Your input stream MUST either support mark/reset, or
* be wrapped as a {@link PushbackInputStream}!
*/
public static Workbook create(InputStream inp) throws IOException, InvalidFormatException {
// If clearly doesn't do mark/reset, wrap up
if(! inp.markSupported()) {
inp = new PushbackInputStream(inp, 8);
}
if(POIFSFileSystem.hasPOIFSHeader(inp)) {
return new HSSFWorkbook(inp);
}
if(POIXMLDocument.hasOOXMLHeader(inp)) {
return new XSSFWorkbook(OPCPackage.open(inp));
}
throw new IllegalArgumentException("Your InputStream was neither an OLE2 stream, nor an OOXML stream");
}
/**
* Creates the appropriate HSSFWorkbook / XSSFWorkbook from
* the given File, which must exist and be readable.
*/
public static Workbook create(File file) throws IOException, InvalidFormatException {
if(! file.exists()) {
throw new FileNotFoundException(file.toString());
}
try {
NPOIFSFileSystem fs = new NPOIFSFileSystem(file);
return new HSSFWorkbook(fs.getRoot(), true);
} catch(OfficeXmlFileException e) {
OPCPackage pkg = OPCPackage.open(file);
return new XSSFWorkbook(pkg);
}
}
/**
* Creates a HSSFWorkbook from the given POIFSFileSystem
*/
public static Workbook create(POIFSFileSystem fs) throws IOException {
return new HSSFWorkbook(fs);
}
/**
* Creates a HSSFWorkbook from the given NPOIFSFileSystem
*/
public static Workbook create(NPOIFSFileSystem fs) throws IOException {
return new HSSFWorkbook(fs.getRoot(), true);
}
/**
* Creates a XSSFWorkbook from the given OOXML Package
*/
public static Workbook create(OPCPackage pkg) throws IOException {
return new XSSFWorkbook(pkg);
}
/**
* Creates the appropriate HSSFWorkbook / XSSFWorkbook from
* the given InputStream.
* <p>Your input stream MUST either support mark/reset, or
* be wrapped as a {@link PushbackInputStream}! Note that
* using an {@link InputStream} has a higher memory footprint
* than using a {@link File}.</p>
*/
public static Workbook create(InputStream inp) throws IOException, InvalidFormatException {
// If clearly doesn't do mark/reset, wrap up
if (! inp.markSupported()) {
inp = new PushbackInputStream(inp, 8);
}
if (POIFSFileSystem.hasPOIFSHeader(inp)) {
return new HSSFWorkbook(inp);
}
if (POIXMLDocument.hasOOXMLHeader(inp)) {
return new XSSFWorkbook(OPCPackage.open(inp));
}
throw new IllegalArgumentException("Your InputStream was neither an OLE2 stream, nor an OOXML stream");
}
/**
* Creates the appropriate HSSFWorkbook / XSSFWorkbook from
* the given File, which must exist and be readable.
*/
public static Workbook create(File file) throws IOException, InvalidFormatException {
if (! file.exists()) {
throw new FileNotFoundException(file.toString());
}
try {
NPOIFSFileSystem fs = new NPOIFSFileSystem(file);
return new HSSFWorkbook(fs.getRoot(), true);
} catch(OfficeXmlFileException e) {
OPCPackage pkg = OPCPackage.open(file);
return new XSSFWorkbook(pkg);
}
}
}