Examples of java.net.URL

java.net.URL
ocs.uts.edu.au/MosaicDocs-old/url-primer.html"> http://www.socs.uts.edu.au/MosaicDocs-old/url-primer.html
In general, a URL can be broken into several parts. The previous example of a URL indicates that the protocol to use is http (HyperText Transfer Protocol) and that the information resides on a host machine named www.socs.uts.edu.au. The information on that host machine is named /MosaicDocs-old/url-primer.html. The exact meaning of this name on the host machine is both protocol dependent and host dependent. The information normally resides in a file, but it could be generated on the fly. This component of the URL is called the path component.
A URL can optionally specify a "port", which is the port number to which the TCP connection is made on the remote host machine. If the port is not specified, the default port for the protocol is used instead. For example, the default port for http is 80. An alternative port could be specified as:
```
 http://www.socs.uts.edu.au:80/MosaicDocs-old/url-primer.html 
```
The syntax of URL is defined by RFC 2396: Uniform Resource Identifiers (URI): Generic Syntax, amended by RFC 2732: Format for Literal IPv6 Addresses in URLs. The Literal IPv6 address format also supports scope_ids. The syntax and usage of scope_ids is described here.
A URL may have appended to it a "fragment", also known as a "ref" or a "reference". The fragment is indicated by the sharp sign character "#" followed by more characters. For example,
```
 http://java.sun.com/index.html#chapter1 
```
This fragment is not technically part of the URL. Rather, it indicates that after the specified resource is retrieved, the application is specifically interested in that part of the document that has the tag chapter1 attached to it. The meaning of a tag is resource specific.
An application can also specify a "relative URL", which contains only enough information to reach the resource relative to another URL. Relative URLs are frequently used within HTML pages. For example, if the contents of the URL:
```
 http://java.sun.com/index.html 
```
contained within it the relative URL:
```
 FAQ.html 
```
it would be a shorthand for:
```
 http://java.sun.com/FAQ.html 
```
The relative URL need not specify all the components of a URL. If the protocol, host name, or port number is missing, the value is inherited from the fully specified URL. The file component must be specified. The optional fragment is not inherited.
The URL class does not itself encode or decode any URL components according to the escaping mechanism defined in RFC2396. It is the responsibility of the caller to encode any fields, which need to be escaped prior to calling URL, and also to decode any escaped fields, that are returned from URL. Furthermore, because URL has no knowledge of URL escaping, it does not recognise equivalence between the encoded or decoded form of the same URL. For example, the two URLs:
```
    http://foo.com/hello world/ and http://foo.com/hello%20world
```
would be considered not equal to each other.
Note, the {@link java.net.URI} class does perform escaping of itscomponent fields in certain circumstances. The recommended way to manage the encoding and decoding of URLs is to use {@link java.net.URI}, and to convert between these two classes using {@link #toURI()} and{@link URI#toURL()}.
The {@link URLEncoder} and {@link URLDecoder} classes can also beused, but only for HTML form encoding, which is not the same as the encoding scheme defined in RFC2396. @author James Gosling @version 1.136, 04/30/09 @since JDK1.0

    source.myDouble = new Double("1");


    Destination result = mapper.map(source, Destination.class);


    assertThat(result.file, equalTo(new File("a")));
    assertThat(result.url, equalTo(new URL("http://a")));
    assertThat(result.type, sameInstance(String.class));
    assertThat(result.bigDecimal, equalTo(new Double("1")));
    assertThat(result.myDouble, equalTo(new BigDecimal("1.0")));
  }

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                if (dotIndex != -1) {
                  modelName = entryFileName.substring(0, dotIndex);
                } else {
                  modelName = entryFileName;
                }
                URL entryUrl = new URL("jar:" + urlContent.getURL() + "!/" 
                    + URLEncoder.encode(entryName, "UTF-8").replace("+", "%20").replace("%2F", "/"));
                modelContent = new TemporaryURLContent(entryUrl);
                model = ModelManager.getInstance().loadModel(modelContent);
                if (!entryFileName.toLowerCase().endsWith(".obj")
                    && (this.preferences.isModelContentAlwaysConvertedToOBJFormat()

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      objFile = "model.obj";
    }


    File tempZipFile = File.createTempFile("urlContent", "tmp");
    OBJWriter.writeNodeInZIPFile(model, tempZipFile, 0, objFile, "3D model " + objFile);
    return new TemporaryURLContent(new URL("jar:" + tempZipFile.toURI().toURL() + "!/" 
        + URLEncoder.encode(objFile, "UTF-8").replace("+", "%20")));
  }

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      URLClassLoader urlcl=new URLClassLoader(new URL[]{baseURI.toURL()});
      
      String filename="jbossws-cxf-"+portName.getLocalPart()+".xml";
          
      URL busFile = urlcl.getResource(filename);
      
      log.debug("Web Stack initialization file: name="+filename+" file="+busFile);
      
      if (busFile != null) {
        Bus bus = bf.createBus(busFile.toString());
        bf.setThreadDefaultBus(bus);
        
        log.debug("Set thread default bus="+bus);
      }

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  private static Map<String, Double> loadAccounts(String resourceName) {
    try {
      // parse the accounts document
      DocumentBuilder domBuilder =
          DocumentBuilderFactory.newInstance().newDocumentBuilder();
      URL resource = AccountSystem_Impl.class.getResource(resourceName);
      if (resource == null) return Collections.emptyMap();
      Document accountsDocument = domBuilder.parse(resource.toString());
      // give everyone an initial balance of $50
      Double initialBalance = new Double(50);
      // iterate over the accounts
      Map<String, Double> accounts = new HashMap<String, Double>();
      Element accountsElem = accountsDocument.getDocumentElement();

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    public List<ActiveNodeInfo> getActiveNodeInfo(String instanceId) {
        return Collections.EMPTY_LIST; // Not used
    }


    public URL getDiagramURL(String id) {
        URL result = null;


        StringBuilder sb = getBaseUrl().append("/process/definition/");
        sb.append(id);
        sb.append("/image");


        try {
            result = new URL(sb.toString());
        } catch (MalformedURLException e) {
            throw new RuntimeException("Failed to create url", e);
        }


        return result;

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  private MappingsSource parser;


  @Test
  public void testParse() throws Exception {
    ResourceLoader loader = new ResourceLoader();
    URL url = loader.getResource("dozerBeanMapping.xml");


    Document document = XMLParserFactory.getInstance().createParser().parse(url.openStream());
    parser = new XMLParser(document);


    MappingFileData mappings = parser.load();
    assertNotNull(mappings);
  }

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   * fieldmapping.      
   */
  @Test
  public void testParseCustomConverterParam() throws Exception {
    ResourceLoader loader = new ResourceLoader();
    URL url = loader.getResource("fieldCustomConverterParam.xml");


    Document document = XMLParserFactory.getInstance().createParser().parse(url.openStream());
    parser = new XMLParser(document);
    
    MappingFileData mappings = parser.load();


    assertNotNull("The mappings should not be null", mappings);

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        return r;
    }
    
    // Get an InputStream based on a publicid and a systemid
    private InputStream getInputStream(String publicid, String systemid) throws IOException, SAXException {
        URL basis = new URL("file", "", System.getProperty("user.dir") + "/.");
        URL url = new URL(basis, systemid);
        URLConnection c = url.openConnection();
        return c.getInputStream();
    }

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            doctypename = name;
            doctypepublicid = publicid;
            if (theScanner instanceof Locator) {    // Must resolve systemid
                doctypesystemid  = ((Locator)theScanner).getSystemId();
                try {
                    doctypesystemid = new URL(new URL(doctypesystemid), systemid).toString();
                } catch (Exception e) {}
            }
        }
    }

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