Examples of java.net.URL.openStream()

java.net.URL.openStream()
Opens a connection to this URL and returns an InputStream for reading from that connection. This method is a shorthand for:
```
 openConnection().getInputStream() 
```
@return an input stream for reading from the URL connection. @exception IOException if an I/O exception occurs. @see java.net.URL#openConnection() @see java.net.URLConnection#getInputStream()


  private String getProgramSource(final String file) throws IOException {
    InputStream source = null;
    URL sourceURL = Thread.currentThread().getContextClassLoader().getResource(file);
    if(sourceURL != null) {
      source = sourceURL.openStream();
    }
    if ( source == null ) // dev-mode
      source = new FileInputStream("src/java/" + file);
    final BufferedReader reader = new BufferedReader(new InputStreamReader(source));

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      {
        final URL url = (URL) userConfigs.nextElement();
        try
        {
          final PropertyFileConfiguration baseProperty = new PropertyFileConfiguration();
          final InputStream in = url.openStream();
          try
          {
            baseProperty.load(in);
          }
          finally

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                }
                return in;
            }
            // otherwise an URL is assumed
            URL url = new URL(fileName);
            InputStream in = url.openStream();
            return in;
        }
        fileName = translateFileName(fileName);
        FileInputStream in = new FileInputStream(fileName);
        IOUtils.trace("openFileInputStream", fileName, in);

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        if(_sharedCache.containsKey(docurl)) {
            return true;
        } else {
            final InputStream is;
            try {
                is = docurl.openStream();
            } catch (IOException e) {
                return false;
            }
            try {
                if(is.available() > 0) {

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                }


                URL zipurl = PropUtils.getResourceOrFileOrURL(zipFileName);
                if (zipurl != null) {


                    in = new BufferedInputStream(zipurl.openStream());


                    if (Debug.debugging("zip")) {
                        Debug.output(" unzipping " + zipFileName);
                    }
                    ZipInputStream zin = new ZipInputStream(in);

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    }


    try {
      log.debug("loading transformer ..");
      URL xslFile = getClass().getResource("/resources/xmlgui/help.xsl");
      transformer = TransformerFactory.newInstance().newTransformer(new StreamSource(xslFile.openStream()));
      transformer.setParameter("locale", locale);
    } catch (Exception e) {
      throw new HelpException("Error while constructing the transformer", e);
    }

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                        float lrlon = ((Double) record.get(lrlonIndex)).floatValue();
                        imageURLString = (String) record.get(urlIndex);


                        URL imageURL = PropUtils.getResourceOrFileOrURL(imageURLString);


                        FileCacheImageInputStream fciis = new FileCacheImageInputStream(imageURL.openStream(), null);
                        BufferedImage fileImage = ImageIO.read(fciis);


                        // ImageIcon ii = new ImageIcon(imageURL);
                        // Image fileImage = ii.getImage();

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    }


    public static InputStream getResourceAsStream(String resourceName, Class callingClass) {
        try {
            URL url = getResource(resourceName, callingClass);
            return url == null ? null : url.openStream();
        } catch (IOException e) {
            return null;
        }
    }

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                URL dbfFileURL = null;
                if (dbfFile != null) {
                    dbfFileURL = PropUtils.getResourceOrFileOrURL(this, dbfFile);
                }
                if (dbfFileURL != null) {
                    InputStream is = dbfFileURL.openStream();
                    dbfModel = new DbfTableModel(new DbfInputStream(is));
                }
                if (dbfModel == null) {
                    String csvFile = props.getProperty(prefix + csvFileProperty);
                    URL infofileURL = null;

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        try {
            Properties properties = new Properties();
            // Read in the properties.
            URL propertiesURL = new URL(propertiesFile);
            InputStream is = propertiesURL.openStream();
            properties.load(is);


            // Let's make a file
            ShapeLayer sl = new ShapeLayer();
            sl.setProperties(prefix, properties);

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