Examples of org.apache.wicket.util.string.StringValue

org.apache.wicket.util.string.StringValue
Holds an immutable String value and optionally a Locale, with methods to convert to various types. Also provides some handy parsing methods and a variety of static factory methods.
Objects can be constructed directly from Strings or by using the valueOf() static factory methods. The repeat() static factory methods provide a way of generating a String value that repeats a given char or String a number of times.
Conversions to a wide variety of types can be found in the to*() methods. A generic conversion can be achieved with to(Class).
The beforeFirst(), afterFirst(), beforeLast() and afterLast() methods are handy for parsing things like paths and filenames. @author Jonathan Locke

    public void onRequest() {


        RequestCycle requestCycle = getComponent().getRequestCycle();
        Request request = requestCycle.getRequest();
        IRequestParameters parameters = request.getRequestParameters();
        StringValue input = parameters.getParameterValue("term");


        final Iterable<T> choices = getChoices(input.toString(""));


        String jsonArray = createJson(choices);


        requestCycle.scheduleRequestHandlerAfterCurrent(new TextRequestHandler("application/json", "UTF-8", jsonArray));
    }

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    protected AjaxEventBehavior newSaveListener() {
        return new AjaxEventBehavior("save") {
            @Override
            protected void onEvent(AjaxRequestTarget target) {
                StringValue newValue = RequestCycle.get().getRequest().getRequestParameters().getParameterValue("newValue");
                onSave(target, newValue.toString());
            }


            @Override
            protected void updateAjaxAttributes(AjaxRequestAttributes attributes) {
                super.updateAjaxAttributes(attributes);

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    protected AjaxEventBehavior newHiddenListener() {
        return new AjaxEventBehavior("hidden") {
            @Override
            protected void onEvent(AjaxRequestTarget target) {
                StringValue reason = RequestCycle.get().getRequest().getRequestParameters().getParameterValue("reason");
                onHidden(target, Reason.valueOf(reason.toString().toUpperCase()));
            }


            @Override
            protected void updateAjaxAttributes(AjaxRequestAttributes attributes) {
                super.updateAjaxAttributes(attributes);

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    public static String getString(PageParameters parameters, String key, String defaultValue) {
        if (parameters == null) {
            return defaultValue;
        }


        StringValue value = parameters.get(key);
        if (value.isEmpty()) {
            return defaultValue;
        }


        return value.toString();
    }

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        // the list that will contain accepted post param values
        List<StringValue> postValues = new ArrayList<StringValue>();


        for (String value : values)
        {
          StringValue val = StringValue.valueOf(value);
          if (queryValues.contains(val))
          {
            // if a query param with this value exists remove it and continue
            queryValues.remove(val);
          }

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    requestHandler = ((RequestSettingRequestHandler)requestHandler).getDelegateHandler();
    assertTrue(requestHandler instanceof RenderPageRequestHandler);


    RenderPageRequestHandler handler = (RenderPageRequestHandler)requestHandler;
    assertEquals(tester.getApplication().getHomePage(), handler.getPageClass());
    StringValue queryParam = handler.getPageParameters().get("named1");
    assertEquals("value1", queryParam.toOptionalString());
  }

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  }


  @Override
  protected void respond(AjaxRequestTarget target)
  {
    StringValue uuidParam = getComponent().getRequest().getRequestParameters().getParameterValue(PARAM_WINDOW_NAME);


    if (windowName.equals(uuidParam.toString()) == false)
    {
      onNewWindow(target);
    }
  }

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    add(form);
    form.setMultiPart(true);
    form.setMaxSize(Bytes.kilobytes(100));
    form.add(new TextField<String>("text"));
    fileUploadField = new FileUploadField("file", new ListModel<FileUpload>());
    StringValue requiredParam = param.get("required");
    boolean required = requiredParam.toBoolean();
    fileUploadField.setRequired(required);
    form.add(fileUploadField);
  }

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    PageParameters params = resource.pageParameters;
    assertNotNull(params);
    assertEquals(0, params.getAllNamed().size());
    assertEquals(2, params.getIndexedCount());


    StringValue paramId = params.get(0);
    assertNotNull(paramId);
    assertEquals(1, paramId.toInt());


    StringValue paramName = params.get(1);
    assertNotNull(paramName);
    assertEquals("fred", paramName.toString());
  }

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    PageParameters params = resource.pageParameters;
    assertNotNull(params);
    assertEquals(3, params.getAllNamed().size());
    assertEquals(2, params.getIndexedCount());


    StringValue paramId = params.get(0);
    assertNotNull(paramId);
    assertEquals(1, paramId.toInt());


    StringValue paramName = params.get(1);
    assertNotNull(paramName);
    assertEquals("fred", paramName.toString());


    List<StringValue> foo = params.getValues("foo");
    assertNotNull(foo.size() == 2);
    assertEquals("bar", foo.get(0).toString(""));
    assertEquals("baz", foo.get(1).toString(""));


    StringValue paramValue = params.get("value");
    assertEquals(12, paramValue.toInt());
  }

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