Examples of org.openfaces.org.json.JSONObject

org.openfaces.org.json.JSONObject
A JSONObject is an unordered collection of name/value pairs. Its external form is a string wrapped in curly braces with colons between the names and values, and commas between the values and names. The internal form is an object having get and opt methods for accessing the values by name, and put methods for adding or replacing values by name. The values can be any of these types: Boolean, JSONArray, JSONObject, Number, String, or the JSONObject.NULL object. A JSONObject constructor can be used to convert an external form JSON text into an internal form whose values can be retrieved with the get and opt methods, or to convert values into a JSON text using the put and toString methods. A get method returns a value if one can be found, and throws an exception if one cannot be found. An opt method returns a default value instead of throwing an exception, and so is useful for obtaining optional values.
The generic get() and opt() methods return an object, which you can cast or query for type. There are also typed get and opt methods that do type checking and type coercion for you.
The put methods adds values to an object. For example,
```
 myString = new JSONObject().put("JSON", "Hello, World!").toString();
```
produces the string {"JSON": "Hello, World"}.
The texts produced by the toString methods strictly conform to the JSON syntax rules. The constructors are more forgiving in the texts they will accept:
- An extra , (comma) may appear just before the closing brace.
- Strings may be quoted with ' (single quote).
- Strings do not need to be quoted at all if they do not begin with a quote or single quote, and if they do not contain leading or trailing spaces, and if they do not contain any of these characters: { } [ ] / \ : , = ; # and if they do not look like numbers and if they are not the reserved words true, false, or null.
- Keys can be followed by = or => as well as by :.
- Values can be followed by ; (semicolon) as well as by , (comma).
- Numbers may have the 0- (octal) or 0x- (hex) prefix.
@author JSON.org @version 2009-03-06




    @Override
    public JSONObject process(ExpressionFilterCriterion criterion) {
        try {
            JSONObject result = new JSONObject();
            result.put(TYPE, CriterionType.EXPRESSION);
            result.put(PROPERTY_LOCATOR_EXPRESSION, criterion.getPropertyLocator().getExpression());


            JSONObject jsonParameters = new JSONObject();
            Map<String, Object> parameters = criterion.getParameters();
            for (String parameterName : parameters.keySet()) {
                Object parameterValue = criterion.getParameters().get(parameterName);
                JSONObject jsonParameterValue = new JSONObject();
                ParameterType parameterType;
                if (parameterValue instanceof Date) {
                    parameterType = ParameterType.DATE;
                    parameterValue = ((Date) parameterValue).getTime();
                } else if (isNumberType(parameterValue.getClass())) {
                    parameterType = ParameterType.NUMBER;
                } else if (isBooleanType(parameterValue.getClass())) {
                    parameterType = ParameterType.BOOLEAN;
                } else {
                    parameterType = ParameterType.TEXT;
                    parameterValue = parameterValue.toString();
                }


                jsonParameterValue.put(PARAMETER_TYPE, parameterType);
                jsonParameterValue.put(PARAMETER_VALUE, parameterValue);
                jsonParameters.put(parameterName, jsonParameterValue);
            }
            result.put(PARAMETERS, jsonParameters);
            result.put(FILTER_CONDITION_NAME, criterion.getCondition().getName());
            result.put(INVERSE, criterion.isInverse());

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        return process(criterion, CriterionType.OR);
    }


    private JSONObject process(CompositeFilterCriterion criterion, CriterionType type) {
        try {
            JSONObject result = new JSONObject();
            result.put(TYPE, type);
            JSONArray criteria = new JSONArray();
            for (FilterCriterion childCriterion : criterion.getCriteria()) {
                criteria.put(childCriterion.process(this));
            }
            result.put(CRITERIA, criteria);
            return result;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

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        if (!Rendering.isNullOrEmpty(headerClassName))
            initObject.put("headingsClassName", headerClassName);
    }


    private JSONObject getCommonHeaderParam(TableStructure tableStructure) throws JSONException {
        JSONObject result = new JSONObject();
        FacesContext context = FacesContext.getCurrentInstance();
        AbstractTable table = ((AbstractTable) tableStructure.getComponent());
        String commonHeaderClass = Styles.getCSSClass(context, tableStructure.getComponent(),
                isHeader ? table.getCommonHeaderRowStyle() : table.getCommonFooterRowStyle(),
                isHeader ? table.getCommonHeaderRowClass() : table.getCommonFooterRowClass());
        if (!Rendering.isNullOrEmpty(commonHeaderClass))
            result.put("className", commonHeaderClass);
        return result;
    }

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            result.put("className", commonHeaderClass);
        return result;
    }


    private JSONObject getSubHeaderParam(TableStructure tableStructure) throws JSONException {
        JSONObject result = new JSONObject();
        FacesContext context = FacesContext.getCurrentInstance();
        AbstractTable table = ((AbstractTable) tableStructure.getComponent());
        String className = Styles.getCSSClass(context, table, getSubHeaderRowStyle(table),
                StyleGroup.regularStyleGroup(), getSubHeaderRowClass(table), DEFAULT_SUBHEADER_ROW_CELLS_CLASS);
        if (!Rendering.isNullOrEmpty(className))
            result.put("className", className);


        return result;
    }

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    public TableSection(TableElement parent) {
        super(parent);
    }


    public JSONObject getInitParam(TableStyles defaultStyles) {
        JSONObject result = new JSONObject();


        try {
            fillInitParam(result, defaultStyles);
        } catch (JSONException e) {
            throw new RuntimeException(e);

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        List<SortingRule> sortingRules = new ArrayList<SortingRule>();
        try {
            JSONArray sortingRulesJson = new JSONArray(sortingRulesStr);
            for (int i = 0, count = sortingRulesJson.length(); i < count; i++) {
                JSONObject jsonObject = sortingRulesJson.getJSONObject(i);
                sortingRules.add(new SortingRule(jsonObject));
            }
        } catch (JSONException e) {
            throw new RuntimeException(e);
        }

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            scrolling.processUpdates(context);
            return null;
        }
        if ("rows".equals(portionName)) {
            beforeReloadingAllRows(context, table);
            JSONObject result = serveDynamicRowsRequest(context, table, 0, Integer.MAX_VALUE);


            ScriptBuilder sb = new ScriptBuilder();
            encodeAdditionalFeaturesOnBodyReload(context, table, sb);
            Rendering.renderInitScript(context, sb);

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                context.setResponseWriter(responseWriter);
            }
            table.setRowIndex(-1);
            responseWriter.write(stringWriter.toString());


            JSONObject rowsInitInfo = new JSONObject();
            fillDynamicRowsInitInfo(context, table, rowIndex, rowCount, tableStructure, rowsInitInfo);
            return rowsInitInfo;
        } finally {
            table.getAttributes().remove(TableStructure.TABLE_STRUCTURE_ATTR);
        }

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    }


    protected static boolean encodeFoldingSupport(FacesContext context,
                                                  ScriptBuilder buf,
                                                  AbstractTable table) throws IOException {
        JSONObject treeStructure = formatTreeStructureMap(context, table, -1, -1);
        if (treeStructure == null) {
            // this can be the case for a grouping-enabled table which doesn't have any grouping rule configured,
            // which means that it is displayed as a plain list and no special hierarchy handling is required
            return false;
        }

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    protected static JSONObject formatTreeStructureMap(
            FacesContext context,
            AbstractTable table,
            int fromRowIndex,
            int rowCount) {
        JSONObject result = new JSONObject();
        Map<Object, ? extends NodeInfo> structureMap = table.getTreeStructureMap(context);
        if (structureMap == null)
            return null;
        Set<? extends Map.Entry<Object, ? extends NodeInfo>> entries = structureMap.entrySet();
        for (Map.Entry<Object, ? extends NodeInfo> entry : entries) {
            Object rowIndex = entry.getKey();
            if (fromRowIndex != -1) {
                if (!(rowIndex instanceof Integer))
                    continue;
                int intRowIndex = (Integer) rowIndex;
                if (intRowIndex < fromRowIndex || intRowIndex >= fromRowIndex + rowCount)
                    continue;
                intRowIndex -= fromRowIndex;
                rowIndex = intRowIndex;
            }
            NodeInfo expansionData = entry.getValue();
            boolean nodeHasChildren = expansionData.getNodeHasChildren();
            Object childCount = nodeHasChildren
                    ? (expansionData.getChildrenPreloaded() ? String.valueOf(expansionData.getChildNodeCount()) : "?")
                    : 0;
            try {
                result.put(String.valueOf(rowIndex), childCount);
            } catch (JSONException e) {
                throw new RuntimeException(e);
            }
        }
        return result;

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