Java DocumentSource类代码示例

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
@Override
public ElementBox analyze(DocumentSource docSource, Dimension dim)
        throws Exception
{
    DOMSource parser = new DefaultDOMSource(docSource);
    w3cdoc = parser.parse();

    // Create the CSS analyzer
    DOMAnalyzer da = new DOMAnalyzer(w3cdoc, docSource.getURL());
    da.attributesToStyles();
    da.addStyleSheet(null, CSSNorm.stdStyleSheet(), DOMAnalyzer.Origin.AGENT);
    da.addStyleSheet(null, CSSNorm.userStyleSheet(), DOMAnalyzer.Origin.AGENT);
    da.getStyleSheets();
    
    BufferedImage tmpImg = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
    canvas = new BrowserCanvas(da.getRoot(), da, docSource.getURL());
    canvas.setImage(tmpImg);
    canvas.getConfig().setLoadImages(true);
    canvas.getConfig().setLoadBackgroundImages(true);
    canvas.createLayout(dim);

    return canvas.getViewport();
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
public StyleImport(String urlstring) throws IOException, SAXException
{
    //Open the network connection 
    DocumentSource docSource = new DefaultDocumentSource(urlstring);
    
    //Parse the input document
    DOMSource parser = new DefaultDOMSource(docSource);
    doc = parser.parse();
    
    //Create the CSS analyzer
    DOMAnalyzer da = new DOMAnalyzer(doc, docSource.getURL());
    da.getStyleSheets(); //load the author style sheets
    da.localizeStyles(); //put the style sheets into the document header
    
    docSource.close();
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * @param args the command line arguments
 */
public static void main(String args[]) 
{
	if (args.length != 1)
	{
		System.err.println("Usage: SimpleBrowser <url>");
		System.exit(0);
	}
	
    try {
        //Open the network connection 
        DocumentSource docSource = new DefaultDocumentSource(args[0]);
        
        //Parse the input document
        DOMSource parser = new DefaultDOMSource(docSource);
        Document doc = parser.parse();
        
        //Create the CSS analyzer
        DOMAnalyzer da = new DOMAnalyzer(doc, docSource.getURL());
        da.attributesToStyles(); //convert the HTML presentation attributes to inline styles
        da.addStyleSheet(null, CSSNorm.stdStyleSheet(), DOMAnalyzer.Origin.AGENT); //use the standard style sheet
        da.addStyleSheet(null, CSSNorm.userStyleSheet(), DOMAnalyzer.Origin.AGENT); //use the additional style sheet
        da.addStyleSheet(null, CSSNorm.formsStyleSheet(), DOMAnalyzer.Origin.AGENT); //render form fields using css
        da.getStyleSheets(); //load the author style sheets
        
        //Display the result
        SimpleBrowser test = new SimpleBrowser(da.getRoot(), docSource.getURL(), da);
        test.setSize(1275, 750);
        test.setVisible(true);
        
        docSource.close();
        
    } catch (Exception e) {
        System.out.println("Error: "+e.getMessage());
        e.printStackTrace();
    }
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * Creates a new instance of the {@link org.fit.cssbox.io.DocumentSource} class registered in the browser configuration.
 * @param url the URL to be given to the document source.
 * @return the document source.
 * @throws IOException 
 */
public DocumentSource createDocumentSource(URL url) throws IOException
{
    try
    {
        Constructor<? extends DocumentSource> constr = getDocumentSourceClass().getConstructor(URL.class);
        return constr.newInstance(url);
    } catch (Exception e) {
        Throwable cause = e; //find if there is an IOException cause and throw it
        while (cause != null && !(cause instanceof IOException))
            cause = e.getCause();
        if (cause != null && cause instanceof IOException)
            throw (IOException) cause;
        //no IO exception cause, this should not happen (some internal reflection problem)
        log.error("Could not create the DocumentSource instance: " + e.getMessage());
        e.printStackTrace();
        return null;
    }
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
@Override
public Viewport analyze(DocumentSource docSource, Dimension dim)
        throws Exception
{
    DOMSource parser = new DefaultDOMSource(docSource);
    w3cdoc = parser.parse();

    // Create the CSS analyzer
    DOMAnalyzer da = new DOMAnalyzer(w3cdoc, docSource.getURL());
    da.attributesToStyles();
    da.addStyleSheet(null, CSSNorm.stdStyleSheet(), DOMAnalyzer.Origin.AGENT);
    da.addStyleSheet(null, CSSNorm.userStyleSheet(), DOMAnalyzer.Origin.AGENT);
    da.getStyleSheets();
    
    BufferedImage tmpImg = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
    canvas = new BrowserCanvas(da.getRoot(), da, docSource.getURL());
    canvas.setImage(tmpImg);
    canvas.getConfig().setLoadImages(true);
    canvas.getConfig().setLoadBackgroundImages(true);
    canvas.createLayout(dim);

    return canvas.getViewport();
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
public void analyzeFonts(URL base, URL url, String encoding,
		Map<String, HashSet<Character>> fontCharMap, String... fontNames)
		throws IOException, SAXException {
	DocumentSource docSource = new DefaultDocumentSource(base,
			url.toExternalForm());

	DOMSource parser = new DOMSource(docSource, encoding);
	Document doc = parser.parse();

	DOMFontAnalyzer da = new DOMFontAnalyzer(doc, base);
	da.setDefaultEncoding(encoding);
	da.attributesToStyles();
	da.getStyleSheets();

	da.setTargetFonts(fontNames);
	da.analyzeFontUsage(fontCharMap);
	
	docSource.close();
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * @param args the command line arguments
 */
public static void main(String args[]) 
{
	if (args.length != 1)
	{
		System.err.println("Usage: SimpleBrowser <url>");
		System.exit(0);
	}
	
    try {
        //Open the network connection 
        DocumentSource docSource = new DefaultDocumentSource(args[0]);
        
        //Parse the input document
        DOMSource parser = new DefaultDOMSource(docSource);
        Document doc = parser.parse();
        
        //Create the CSS analyzer
        DOMAnalyzer da = new DOMAnalyzer(doc, docSource.getURL());
        da.attributesToStyles(); //convert the HTML presentation attributes to inline styles
        da.addStyleSheet(null, CSSNorm.stdStyleSheet(), DOMAnalyzer.Origin.AGENT); //use the standard style sheet
        da.addStyleSheet(null, CSSNorm.userStyleSheet(), DOMAnalyzer.Origin.AGENT); //use the additional style sheet
        da.getStyleSheets(); //load the author style sheets
        
        //Display the result
        SimpleBrowser test = new SimpleBrowser(da.getRoot(), docSource.getURL(), da);
        test.setSize(1275, 750);
        test.setVisible(true);
        
        docSource.close();
        
    } catch (Exception e) {
        System.out.println("Error: "+e.getMessage());
        e.printStackTrace();
    }
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * Creates a new instance of the {@link org.fit.cssbox.io.DocumentSource} class registered in the browser configuration
 * ({@link org.fit.cssbox.layout.BrowserConfig}).
 * @param urlstring the URL to be given to the document source.
 * @return the document source.
 */
public DocumentSource createDocumentSource(URL base, String urlstring)
{
    try
    {
        Constructor<? extends DocumentSource> constr = config.getDocumentSourceClass().getConstructor(URL.class, String.class);
        return constr.newInstance(base, urlstring);
    } catch (Exception e) {
        System.err.println("BoxFactory: Warning: could not create the DocumentSource instance: " + e.getMessage());
        return null;
    }
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * Creates a new instance of the {@link org.fit.cssbox.io.DOMSource} class registered in the browser configuration
 * ({@link org.fit.cssbox.layout.BrowserConfig}).
 * @param src the document source to be given to the DOM source.
 * @return the DOM source.
 */
public DOMSource createDOMSource(DocumentSource src)
{
    try
    {
        Constructor<? extends DOMSource> constr = config.getDOMSourceClass().getConstructor(DocumentSource.class);
        return constr.newInstance(src);
    } catch (Exception e) {
        System.err.println("BoxFactory: Warning: could not create the DOMSource instance: " + e.getMessage());
        return null;
    }
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * Creates a new instance of the {@link org.fit.cssbox.io.DOMSource} class registered in the browser configuration
 * ({@link org.fit.cssbox.layout.BrowserConfig}).
 * @param src the document source to be given to the DOM source.
 * @return the DOM source.
 */
public DOMSource createDOMSource(DocumentSource src)
{
    try
    {
        Constructor<? extends DOMSource> constr = getDOMSourceClass().getConstructor(DocumentSource.class);
        return constr.newInstance(src);
    } catch (Exception e) {
        log.warn("BoxFactory: Warning: could not create the DOMSource instance: " + e.getMessage());
        return null;
    }
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
@Override
  public Viewport analyze(DocumentSource d, Dimension dim)
          throws Exception
  {
  	@SuppressWarnings("resource")
InputStream is = (d != null)? d.getInputStream() : null;
  	
  	if (!(is instanceof DocumentInputStream)) {
  		return super.analyze(d, dim);
  	}
  	
  	DocumentInputStream dIs = (DocumentInputStream) is;
  	
  	w3cdoc = dIs.getDocument();
  	URL address = ((Html5DocumentImpl)w3cdoc).getAddress();
  	
      // Create the CSS analyzer
      DOMAnalyzer da = new DOMAnalyzer(w3cdoc, address);
      da.attributesToStyles();
      da.addStyleSheet(null, CSSNorm.stdStyleSheet(), DOMAnalyzer.Origin.AGENT);
      da.addStyleSheet(null, CSSNorm.userStyleSheet(), DOMAnalyzer.Origin.AGENT);
      da.getStyleSheets();
      
      BufferedImage tmpImg = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
      canvas = new BrowserCanvas(da.getRoot(), da, address);
      canvas.setImage(tmpImg);
      canvas.getConfig().setLoadImages(true);
      canvas.getConfig().setLoadBackgroundImages(true);
      canvas.createLayout(dim);

      return canvas.getViewport();
  }
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * @param args
 */
public static void main(String[] args)
{
    if (args.length != 2)
    {
        System.err.println("Usage: ComputeStyles <url> <output_file>");
        System.exit(0);
    }
    
    try {
        //Open the network connection 
        DocumentSource docSource = new DefaultDocumentSource(args[0]);
        
        //Parse the input document
        DOMSource parser = new DefaultDOMSource(docSource);
        Document doc = parser.parse();
        
        //Create the CSS analyzer
        DOMAnalyzer da = new DOMAnalyzer(doc, docSource.getURL());
        da.attributesToStyles(); //convert the HTML presentation attributes to inline styles
        da.addStyleSheet(null, CSSNorm.stdStyleSheet(), DOMAnalyzer.Origin.AGENT); //use the standard style sheet
        da.addStyleSheet(null, CSSNorm.userStyleSheet(), DOMAnalyzer.Origin.AGENT); //use the additional style sheet
        da.getStyleSheets(); //load the author style sheets
        
        //Compute the styles
        System.err.println("Computing style...");
        da.stylesToDomInherited();
        
        //Save the output
        PrintStream os = new PrintStream(new FileOutputStream(args[1]));
        Output out = new NormalOutput(doc);
        out.dumpTo(os);
        os.close();
        
        docSource.close();
        
        System.err.println("Done.");
        
    } catch (Exception e) {
        System.err.println("Error: "+e.getMessage());
        e.printStackTrace();
    }

}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * main method
 */
public static void main(String[] args)
{
    if (args.length != 1)
    {
        System.err.println("Usage: TextBoxes <url>");
        System.exit(0);
    }
    
    try {
        //Open the network connection 
        DocumentSource docSource = new DefaultDocumentSource(args[0]);
        
        //Parse the input document
        DOMSource parser = new DefaultDOMSource(docSource);
        Document doc = parser.parse();
        
        //Create the CSS analyzer
        DOMAnalyzer da = new DOMAnalyzer(doc, docSource.getURL());
        da.attributesToStyles(); //convert the HTML presentation attributes to inline styles
        da.addStyleSheet(null, CSSNorm.stdStyleSheet(), DOMAnalyzer.Origin.AGENT); //use the standard style sheet
        da.addStyleSheet(null, CSSNorm.userStyleSheet(), DOMAnalyzer.Origin.AGENT); //use the additional style sheet
        da.getStyleSheets(); //load the author style sheets
        
        //Create the browser canvas
        BrowserCanvas browser = new BrowserCanvas(da.getRoot(), da, docSource.getURL());
        //Disable the image loading
        browser.getConfig().setLoadImages(false);
        browser.getConfig().setLoadBackgroundImages(false);
        
        //Create the layout for 1000x600 pixels
        browser.createLayout(new java.awt.Dimension(1000, 600));
        
        //Display the result
        printTextBoxes(browser.getViewport());
        
        docSource.close();
        
    } catch (Exception e) {
        System.err.println("Error: "+e.getMessage());
        e.printStackTrace();
    }

}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * Reads input data and converts them to "elements"
 * 
 * @param is
 *            the input source
 * @param url
 *            the source of data
 * @param cba
 *            the instance of {@link CSSBoxAnalyzer}
 * @return the list of elements. Note that, this method returns instance of
 *         LinkedList.
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public List<ElementSpec> read(DocumentSource docSource, CSSBoxAnalyzer cba, Dimension dim)
        throws IOException
{
    // ale ked sa pouzije setText() neviem nic o url, nic sa nenastavuje ,
    // moze byt null
    // (URL) doc.getProperty(Document.StreamDescriptionProperty)

    if (cba == null)
        throw new IllegalArgumentException(
                "CSSBoxAnalyzer can not be NULL !!!\nProvide your custom implementation or check instantiation of DefaultAnalyzer object...");

    List<ElementSpec> elements = new LinkedList<ElementSpec>();// ArrayList<ElementSpec>(1024);
    elements.add(new ElementSpec(SimpleAttributeSet.EMPTY, ElementSpec.EndTagType));

    // System.err.print("used Reader and encoding ? " +
    // is.getCharacterStream() + "  ,  ");
    // InputStreamReader r = (InputStreamReader)is.getCharacterStream();
    // System.err.println(r.getEncoding());

    ElementBox root;
    try
    {
        // System.err.println("analyzing...");
        root = cba.analyze(docSource, dim);
        // System.err.println("analyzing finished...");
    } catch (Exception e)
    {
        throw new IOException(e);
    }

    if (root instanceof Viewport)
    {
        // root should by an instance of Viewport
        buildViewport(elements, (Viewport) root);
    }
    else
    {
        buildElements(elements, root);
    }

    // System.err.println("num. of elements : " + elements.size());
    // System.err.println("Root min width : " + root.getMinimalWidth() +
    // " ,normal width : " + root.getWidth() + " ,maximal width : " +
    // root.getMaximalWidth());

    // TODO po skonceni nacitavania aj nejake info spravit
    // >> Document.TitleProperty - observer, metainfo
    return elements;
}
 

import org.fit.cssbox.io.DocumentSource; //导入依赖的package包/类
/**
 * Sets the class used by CSSBox for obtaining documents based on their URLs.
 * @param documentSourceClass the new document source class
 */
public void registerDocumentSource(Class<? extends DocumentSource> documentSourceClass)
{
    this.documentSourceClass = documentSourceClass;
}