Examples of java.util.Map.containsKey()

java.util.Map.containsKey()
Returns true if this map contains a mapping for the specified key. More formally, returns true if and only if this map contains a mapping for a key k such that (key==null ? k==null : key.equals(k)). (There can be at most one such mapping.) @param key key whose presence in this map is to be tested @return true if this map contains a mapping for the specifiedkey @throws ClassCastException if the key is of an inappropriate type forthis map (optional) @throws NullPointerException if the specified key is null and this mapdoes not permit null keys (optional)


  public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
  {
    // Check the parameters and forward to the appropriate action.
    Map parameters = request.getParameterMap();
    if (parameters.containsKey("resetForm")) {
      ((DynaActionForm)form).initialize(mapping);
    }
    String saveSearch = request.getParameter(SAVESEARCH);
    if ((saveSearch != null) && (!saveSearch.equals("false"))) {
      return (mapping.findForward(SAVESEARCH));

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    String deleteSearch = request.getParameter(DELETESEARCH);
    if ((deleteSearch != null) && (!deleteSearch.equals("false"))) {
      return (mapping.findForward(DELETESEARCH));
    }
    // Everything else is for the DisplaySearchForm action.
    if (parameters.containsKey(MODULEID) && request.getMethod().equals("GET")) {
      request.setAttribute(MODULEID, request.getParameter(MODULEID));
    }
    if (parameters.containsKey(SEARCHID) && request.getMethod().equals("GET")) {
      request.setAttribute(SEARCHID, request.getParameter(SEARCHID));
    }

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    }
    // Everything else is for the DisplaySearchForm action.
    if (parameters.containsKey(MODULEID) && request.getMethod().equals("GET")) {
      request.setAttribute(MODULEID, request.getParameter(MODULEID));
    }
    if (parameters.containsKey(SEARCHID) && request.getMethod().equals("GET")) {
      request.setAttribute(SEARCHID, request.getParameter(SEARCHID));
    }
    // Last resort forward to the display form
    return (mapping.findForward(DISPLAYSEARCHFORM));
  } // end execute()

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                                    if (vObjPlugin.shouldGenerate(javaClass)) {
                                        // Let's try to detect if overlapping value-objects are being generated
                                        String vObjectType = vObjPlugin.getVirtualType(javaClass).toString();


                                        if (vObjsNames.containsKey(vObjectType)) {
                                            if (log.isWarnEnabled()) {
                                                log.warn("There is already an value-object generate with same type '" +
                                                    vObjectType + "'. Ignoring new one.");
                                            }

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                ArrayList parms = odef.getParameters();
                for (int j = 0; j < parms.size(); j++) {
                    ValueCustom parm = (ValueCustom)parms.get(j);
                    String type = parm.getWorkingType();
                    ElementElement pelem;
                    if (!typemap.containsKey(type)) {
                        
                        // add predefined mapping type to known types and require schema import
                        QName tname = (QName)classtypes.get(type);
                        if (tname != null) {
                            typemap.put(type, tname);

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      wrapper.setElement(e);


      // Conversion tests
      Map m = (Map) wrapper.convert(Map.class);
      assert m.containsKey("foo");
      assert m.containsKey("bar");
      assert "aaaaa".equals(m.get("foo"));
      assert "zzzzz".equals(m.get("bar"));


      m = (Map) wrapper.convert(HashMap.class);

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      wrapper.setElement(e);


      // Conversion tests
      Map m = (Map) wrapper.convert(Map.class);
      assert m.containsKey("foo");
      assert m.containsKey("bar");
      assert "aaaaa".equals(m.get("foo"));
      assert "zzzzz".equals(m.get("bar"));


      m = (Map) wrapper.convert(HashMap.class);
      assert m.containsKey("foo");

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      assert m.containsKey("bar");
      assert "aaaaa".equals(m.get("foo"));
      assert "zzzzz".equals(m.get("bar"));


      m = (Map) wrapper.convert(HashMap.class);
      assert m.containsKey("foo");
      assert m.containsKey("bar");
      assert "aaaaa".equals(m.get("foo"));
      assert "zzzzz".equals(m.get("bar"));


      Type t = RemotingTest.class.getMethod("dummyMap").getGenericReturnType();

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      assert "aaaaa".equals(m.get("foo"));
      assert "zzzzz".equals(m.get("bar"));


      m = (Map) wrapper.convert(HashMap.class);
      assert m.containsKey("foo");
      assert m.containsKey("bar");
      assert "aaaaa".equals(m.get("foo"));
      assert "zzzzz".equals(m.get("bar"));


      Type t = RemotingTest.class.getMethod("dummyMap").getGenericReturnType();
      m = (Map) wrapper.convert(t);

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      assert "aaaaa".equals(m.get("foo"));
      assert "zzzzz".equals(m.get("bar"));


      Type t = RemotingTest.class.getMethod("dummyMap").getGenericReturnType();
      m = (Map) wrapper.convert(t);
      assert m.containsKey("foo");
      assert m.containsKey("bar");
      assert "aaaaa".equals(m.get("foo"));
      assert "zzzzz".equals(m.get("bar"));


      try

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