Examples of org.apache.wicket.util.value.ValueMap

org.apache.wicket.util.value.ValueMap
A IValueMap implementation that holds values, parses Strings, and exposes a variety of convenience methods.
In addition to a no-arg constructor and a copy constructor that takes a Map argument, ValueMaps can be constructed using a parsing constructor. ValueMap(String) will parse values from the string in comma separated key/value assignment pairs. For example, new ValueMap("a=9,b=foo").
Values can be retrieved from the ValueMap in the usual way or with methods that do handy conversions to various types, including String, StringValue, int, long, double, Time and Duration.
The makeImmutable method will make the underlying Map immutable. Further attempts to change the Map will result in a RuntimeException.
The toString method converts a ValueMap object to a readable key/value string for diagnostics. @author Jonathan Locke @author Doug Donohoe @since 1.2.6

  private static final long serialVersionUID = 1L;


  public Wicket2105Panel(String id)
  {
    super(id);
    Form form = new Form("signInForm", new CompoundPropertyModel(new ValueMap()));
    form.add(new TextField("username"));
    form.add(new PasswordTextField("password"));
    form.add(new DropDownChoice("domain", Arrays.asList(new Object[] { "Wicket", "Tapestry",
        "JSF", ".Net" })));
    form.add(new CheckBox("rememberMe"));

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    // Render the component without having rendered the page previously
    SimplePage page = new SimplePage();


    Label label = (Label)page.get("myLabel");
    assertNotNull(label);
    ValueMap attr = label.getMarkupAttributes();
    assertNotNull(attr);
    assertEquals("myLabel", attr.getString("wicket:id"));


    Panel panel = (Panel)page.get("myPanel");
    assertNotNull(panel);
    attr = panel.getMarkupAttributes();
    assertNotNull(attr);
    assertEquals("myPanel", attr.getString("wicket:id"));


    label = (Label)page.get("myPanel:label");
    assertNotNull(label);
    attr = label.getMarkupAttributes();
    assertNotNull(attr);
    assertEquals("label", attr.getString("wicket:id"));


    Border border = (Border)page.get("myBorder");
    assertNotNull(border);
    attr = border.getMarkupAttributes();
    assertNotNull(attr);
    assertEquals("myBorder", attr.getString("wicket:id"));


    border = (Border)page.get("myBorder2");
    assertNotNull(border);
    attr = border.getMarkupAttributes();
    assertNotNull(attr);
    assertEquals("myBorder2", attr.getString("wicket:id"));


    // do the same test twice. Igor reported a problem with that, so we have to test it.
    border = (Border)page.get("myBorder2");
    assertNotNull(border);
    attr = border.getMarkupAttributes();
    assertNotNull(attr);
    assertEquals("myBorder2", attr.getString("wicket:id"));


    WebMarkupContainer container = (WebMarkupContainer)page.get("test");
    assertNotNull(container);
    attr = container.getMarkupAttributes();
    assertNotNull(attr);
    assertEquals("test", attr.getString("wicket:id"));


    label = (Label)page.get("test:myLabel2");
    assertNotNull(label);
    attr = label.getMarkupAttributes();
    assertNotNull(attr);
    assertEquals("myLabel2", attr.getString("wicket:id"));
  }

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   * @return markup attributes
   */
  public final ValueMap getMarkupAttributes()
  {
    MarkupStream markupStream = locateMarkupStream();
    ValueMap attrs = new ValueMap(markupStream.getTag().getAttributes());
    attrs.makeImmutable();
    return attrs;
  }

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      Time time = resourceReference.lastModifiedTime();
      if (time != null)
      {
        if (parameters == null)
        {
          parameters = new ValueMap();
          parameters.put("wicket:lm", new Long(time.getMilliseconds()));
        }
      }
    }

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    {
      props = new Properties(key, ValueMap.EMPTY_MAP);
    }
    else
    {
      ValueMap strings = null;


      try
      {
        try
        {
          // Get the InputStream
          BufferedInputStream in = new BufferedInputStream(
            resourceStream.getInputStream());


          // Determine if resource is a XML File
          boolean loadAsXml = false;
          if (resourceStream instanceof IFixedLocationResourceStream)
          {
            String location = ((IFixedLocationResourceStream)resourceStream).locationAsString();
            if (location != null)
            {
              String ext = Strings.lastPathComponent(location, '.').toLowerCase();
              if ("xml".equals(ext))
              {
                loadAsXml = true;
              }
            }
          }


          // Load the properties
          java.util.Properties properties = new java.util.Properties();
          if (loadAsXml)
          {
            Streams.loadFromXml(properties, in);
          }
          else
          {
            properties.load(in);
          }


          // Copy the properties into the ValueMap
          strings = new ValueMap();
          Enumeration enumeration = properties.propertyNames();
          while (enumeration.hasMoreElements())
          {
            String property = (String)enumeration.nextElement();
            strings.put(property, properties.getProperty(property));
          }
        }
        finally
        {
          resourceStream.close();

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    }


    @Override
    public IResourceStream getResourceStream() {


        ValueMap parameters = getParameters();
        int width = parameters.getInt("WIDTH", 400);
        int height = parameters.getInt("HEIGHT", 200);
        String bboxStr = parameters.getString("BBOX");


        ByteArrayOutputStream output = null;
        if (bboxStr != null) {


            try {

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       * label.
       */
      @Override
      protected String getOnClickScript(String url)
      {
        ValueMap valueMap = new ValueMap();
        valueMap.add("anticache", "" + Math.random());
        return new AppendingStringBuffer("new Ajax.Updater('counter', '").append(
          RequestCycle.get().urlFor(this, ILinkListener.INTERFACE, valueMap))
          .append("', {method:'get'}); return false;")
          .toString();
      }

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  @Test
  public void valueMap() throws IOException
  {
    CheckingObjectOutputStream checker = new CheckingObjectOutputStream(new ByteArrayOutputStream(),
        new ObjectSerializationChecker(new NotSerializableException()));
    checker.writeObject(new ValueMap());
  }

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   * Tests the CPM inheritance by setting a different root model using a rendered scenario.
   */
  @Test
  public void testCompoundPropertyModelRendered()
  {
    ValueMap data1 = new ValueMap();
    data1.put("label", "foo");


    ValueMap data2 = new ValueMap();
    data2.put("label", "bar");


    InheritedTestPage page = new InheritedTestPage();




    page.setDefaultModel(new CompoundPropertyModel<>(data1));

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   * Tests the CPM by setting a different root model using a direct scenario.
   */
  @Test
  public void testCompoundPropertyModelDirect()
  {
    ValueMap data1 = new ValueMap();
    data1.put("label", "foo");


    ValueMap data2 = new ValueMap();
    data2.put("label", "bar");


    WebMarkupContainer parent = new WebMarkupContainer("foo");
    Label label = new Label("label");
    parent.add(label);


    parent.setDefaultModel(new CompoundPropertyModel<>(data1));
    assertEquals("foo", label.getDefaultModelObject());


    parent.setDefaultModel(new CompoundPropertyModel<>(data2));
    assertEquals("bar", label.getDefaultModelObject());


    data2.put("label", "foo");
    assertEquals("foo", label.getDefaultModelObject());
  }

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