Package org.codehaus.groovy.grails.web.json

Examples of org.codehaus.groovy.grails.web.json.JSONWriter

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    public void setPrettyPrint(boolean prettyPrint) {
        this.prettyPrint = prettyPrint;
    }

    private void prepareRender(Writer out) {
        writer = prettyPrint ? new PrettyPrintJSONWriter(out) : new JSONWriter(out);
        if (circularReferenceBehaviour == CircularReferenceBehaviour.PATH) {
            if (log.isInfoEnabled()) {
                log.info(String.format("Using experimental CircularReferenceBehaviour.PATH for %s", getClass().getName()));
            }
            writer = new PathCapturingJSONWriterWrapper(writer);
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        return object instanceof Errors;
    }

    public void marshalObject(Object object, JSON json) throws ConverterException {
        Errors errors = (Errors) object;
        JSONWriter writer = json.getWriter();

        try {
            writer.object();
            writer.key("errors");
            writer.array();

            for (Object o : errors.getAllErrors()) {
                if (o instanceof FieldError) {
                    FieldError fe = (FieldError) o;
                    writer.object();
                    json.property("object", fe.getObjectName());
                    json.property("field", fe.getField());
                    json.property("rejected-value", fe.getRejectedValue());
                    Locale locale = LocaleContextHolder.getLocale();
                    if (applicationContext != null) {
                        json.property("message", applicationContext.getMessage(fe, locale));
                    }
                    else {
                        json.property("message", fe.getDefaultMessage());
                    }
                    writer.endObject();
                } else if (o instanceof ObjectError) {
                    ObjectError fe = (ObjectError) o;
                    writer.object();
                    json.property("object", fe.getObjectName());
                    Locale locale = LocaleContextHolder.getLocale();
                    if (applicationContext != null) {
                        json.property("message", applicationContext.getMessage(fe, locale));
                    }
                    else {
                        json.property("message", fe.getDefaultMessage());
                    }
                    writer.endObject();
                }
            }
            writer.endArray();
            writer.endObject();
        }
        catch (ConverterException ce) {
            throw ce;
        }
        catch (Exception e) {
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        return application.isArtefactOfType(DomainClassArtefactHandler.TYPE, name);
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    public void marshalObject(Object value, JSON json) throws ConverterException {
        JSONWriter writer = json.getWriter();
        value = proxyHandler.unwrapIfProxy(value);
        Class<?> clazz = value.getClass();

        List<String> excludes = json.getExcludes(clazz);
        List<String> includes = json.getIncludes(clazz);
        IncludeExcludeSupport<String> includeExcludeSupport = new IncludeExcludeSupport<String>();

        GrailsDomainClass domainClass = (GrailsDomainClass)application.getArtefact(
              DomainClassArtefactHandler.TYPE, ConverterUtil.trimProxySuffix(clazz.getName()));
        BeanWrapper beanWrapper = new BeanWrapperImpl(value);

        writer.object();

        if(shouldInclude(includeExcludeSupport, includes, excludes, value, "class")) {
            writer.key("class").value(domainClass.getClazz().getName());
        }


        GrailsDomainClassProperty id = domainClass.getIdentifier();

        if(shouldInclude(includeExcludeSupport, includes, excludes, value, id.getName())) {
            Object idValue = extractValue(value, id);
            json.property(GrailsDomainClassProperty.IDENTITY, idValue);
        }

        if (shouldInclude(includeExcludeSupport, includes, excludes, value, GrailsDomainClassProperty.VERSION) && isIncludeVersion()) {
            GrailsDomainClassProperty versionProperty = domainClass.getVersion();
            Object version = extractValue(value, versionProperty);
            json.property(GrailsDomainClassProperty.VERSION, version);
        }

        GrailsDomainClassProperty[] properties = domainClass.getPersistentProperties();

        for (GrailsDomainClassProperty property : properties) {
            if(!shouldInclude(includeExcludeSupport, includes, excludes, value, property.getName())) continue;

            writer.key(property.getName());
            if (!property.isAssociation()) {
                // Write non-relation property
                Object val = beanWrapper.getPropertyValue(property.getName());
                json.convertAnother(val);
            }
            else {
                Object referenceObject = beanWrapper.getPropertyValue(property.getName());
                if (isRenderDomainClassRelations()) {
                    if (referenceObject == null) {
                        writer.valueNull();
                    }
                    else {
                        referenceObject = proxyHandler.unwrapIfProxy(referenceObject);
                        if (referenceObject instanceof SortedMap) {
                            referenceObject = new TreeMap((SortedMap) referenceObject);
                        }
                        else if (referenceObject instanceof SortedSet) {
                            referenceObject = new TreeSet((SortedSet) referenceObject);
                        }
                        else if (referenceObject instanceof Set) {
                            referenceObject = new HashSet((Set) referenceObject);
                        }
                        else if (referenceObject instanceof Map) {
                            referenceObject = new HashMap((Map) referenceObject);
                        }
                        else if (referenceObject instanceof Collection) {
                            referenceObject = new ArrayList((Collection) referenceObject);
                        }
                        json.convertAnother(referenceObject);
                    }
                }
                else {
                    if (referenceObject == null) {
                        json.value(null);
                    }
                    else {
                        GrailsDomainClass referencedDomainClass = property.getReferencedDomainClass();

                        // Embedded are now always fully rendered
                        if (referencedDomainClass == null || property.isEmbedded() || property.getType().isEnum()) {
                            json.convertAnother(referenceObject);
                        }
                        else if (property.isOneToOne() || property.isManyToOne() || property.isEmbedded()) {
                            asShortObject(referenceObject, json, referencedDomainClass.getIdentifier(), referencedDomainClass);
                        }
                        else {
                            GrailsDomainClassProperty referencedIdProperty = referencedDomainClass.getIdentifier();
                            @SuppressWarnings("unused")
                            String refPropertyName = referencedDomainClass.getPropertyName();
                            if (referenceObject instanceof Collection) {
                                Collection o = (Collection) referenceObject;
                                writer.array();
                                for (Object el : o) {
                                    asShortObject(el, json, referencedIdProperty, referencedDomainClass);
                                }
                                writer.endArray();
                            }
                            else if (referenceObject instanceof Map) {
                                Map<Object, Object> map = (Map<Object, Object>) referenceObject;
                                for (Map.Entry<Object, Object> entry : map.entrySet()) {
                                    String key = String.valueOf(entry.getKey());
                                    Object o = entry.getValue();
                                    writer.object();
                                    writer.key(key);
                                    asShortObject(o, json, referencedIdProperty, referencedDomainClass);
                                    writer.endObject();
                                }
                            }
                        }
                    }
                }
            }
        }
        writer.endObject();
    }
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            }
        }
        else {
            idValue = extractValue(refObj, idProperty);
        }
        JSONWriter writer = json.getWriter();
        writer.object();
        writer.key("class").value(referencedDomainClass.getFullName());
        writer.key("id").value(idValue);
        writer.endObject();
    }
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    public boolean supports(Object object) {
        return object instanceof Map;
    }

    public void marshalObject(Object o, JSON converter) throws ConverterException {
        JSONWriter writer = converter.getWriter();
        writer.object();
        Map<Object,Object> map = (Map<Object,Object>) o;
        for (Map.Entry<Object,Object> entry : map.entrySet()) {
            Object key = entry.getKey();
            if (key != null) {
                writer.key(key.toString());
                converter.convertAnother(entry.getValue());
            }
        }
        writer.endObject();
    }
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    public boolean supports(Object object) {
        return object instanceof GroovyObject;
    }

    public void marshalObject(Object o, JSON json) throws ConverterException {
        JSONWriter writer = json.getWriter();


        Class<? extends Object> clazz = o.getClass();
        List<String> excludes = json.getExcludes(clazz);
        List<String> includes = json.getIncludes(clazz);
        IncludeExcludeSupport<String> includeExcludeSupport = new IncludeExcludeSupport<String>();
        try {
            writer.object();
            for (PropertyDescriptor property : BeanUtils.getPropertyDescriptors(clazz)) {

                Method readMethod = property.getReadMethod();
                String name = property.getName();

                if(!shouldInclude(includeExcludeSupport, includes, excludes, o, name)) continue;

                if (readMethod != null && !(name.equals("metaClass"))&& !(name.equals("class"))) {
                    if(readMethod.getAnnotation(PersistenceMethod.class) != null) continue;
                    if(readMethod.getAnnotation(ControllerMethod.class) != null) continue;
                    Object value = readMethod.invoke(o, (Object[]) null);
                    writer.key(name);
                    json.convertAnother(value);
                }
            }
            for (Field field : clazz.getDeclaredFields()) {
                int modifiers = field.getModifiers();
                if (Modifier.isPublic(modifiers) && !(Modifier.isStatic(modifiers) || Modifier.isTransient(modifiers))) {
                    String name = field.getName();
                    if(!shouldInclude(includeExcludeSupport,includes,excludes,o,name)) continue;
                    writer.key(name);
                    json.convertAnother(field.get(o));
                }
            }
            writer.endObject();
        }
        catch (ConverterException ce) {
            throw ce;
        }
        catch (Exception e) {
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    public boolean supports(Object object) {
        return object.getClass().isEnum();
    }

    public void marshalObject(Object en, JSON json) throws ConverterException {
        JSONWriter writer = json.getWriter();
        try {
            writer.object();
            Class<?> enumClass = en.getClass();
            json.property("enumType", enumClass.getName());
            Method nameMethod = BeanUtils.findDeclaredMethod(enumClass, "name", null);
            try {
                json.property("name",nameMethod.invoke(en));
            }
            catch (Exception e) {
                json.property("name", "");
            }
            writer.endObject();
        }
        catch (ConverterException ce) {
            throw ce;
        }
        catch (Exception e) {
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    public boolean supports(Object object) {
        return object.getClass().isArray();
    }

    public void marshalObject(Object o, JSON converter) throws ConverterException {
        JSONWriter writer = converter.getWriter();
        int len = Array.getLength(o);
        writer.array();
        for (int i = 0; i < len; i++) {
            converter.convertAnother(Array.get(o, i));
        }
        writer.endArray();
    }
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    public boolean supports(Object object) {
        return true;
    }

    public void marshalObject(Object o, JSON json) throws ConverterException {
        JSONWriter writer = json.getWriter();
        try {
            writer.object();
            for (PropertyDescriptor property : BeanUtils.getPropertyDescriptors(o.getClass())) {
                String name = property.getName();
                Method readMethod = property.getReadMethod();
                if (readMethod != null) {
                    Object value = readMethod.invoke(o, (Object[]) null);
                    writer.key(name);
                    json.convertAnother(value);
                }
            }
            for (Field field : o.getClass().getDeclaredFields()) {
                int modifiers = field.getModifiers();
                if (field.isAccessible() && Modifier.isPublic(modifiers) && !(Modifier.isStatic(modifiers) || Modifier.isTransient(modifiers))) {
                    writer.key(field.getName());
                    json.convertAnother(field.get(o));
                }
            }
            writer.endObject();
        }
        catch (ConverterException ce) {
            throw ce;
        }
        catch (Exception e) {
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    public boolean supports(Object object) {
        return object instanceof Collection;
    }

    public void marshalObject(Object o, JSON converter) throws ConverterException {
        JSONWriter writer = converter.getWriter();
        writer.array();
        for (Object o1 : ((Collection) o)) {
            converter.convertAnother(o1);
        }
        writer.endArray();
    }
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Related Classes of org.codehaus.groovy.grails.web.json.JSONWriter

  • grails.converters.JSON
  • org.grails.web.converters.marshaller.json.ArrayMarshaller
  • org.grails.web.converters.marshaller.json.CollectionMarshaller
  • org.grails.web.converters.marshaller.json.DomainClassMarshaller
  • org.grails.web.converters.marshaller.json.EnumMarshaller
  • org.grails.web.converters.marshaller.json.GenericJavaBeanMarshaller
  • org.grails.web.converters.marshaller.json.GroovyBeanMarshaller
  • org.grails.web.converters.marshaller.json.MapMarshaller
  • org.grails.web.converters.marshaller.json.ValidationErrorsMarshaller
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