Examples with Dictionary org.apache.pivot.collections.Dictionary used on opensource projects

Example 6 with Dictionary

use of org.apache.pivot.collections.Dictionary in project pivot by apache.

the class BXMLSerializer method processStartElement.

private void processStartElement() throws IOException, SerializationException {
    final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    // Initialize the page language
    if (language == null) {
        language = getDefaultLanguage();
    }
    // Get element properties
    String namespaceURI = xmlStreamReader.getNamespaceURI();
    String prefix = xmlStreamReader.getPrefix();
    // for the default namespace
    if (prefix != null && prefix.length() == 0) {
        prefix = null;
    }
    String localName = xmlStreamReader.getLocalName();
    // Determine the type and value of this element
    Element.Type elementType;
    String name;
    Class<?> propertyClass = null;
    Object value = null;
    if (prefix != null && prefix.equals(BXML_PREFIX)) {
        // The element represents a BXML operation
        if (element == null) {
            throw new SerializationException("Invalid root element.");
        }
        if (localName.equals(INCLUDE_TAG)) {
            elementType = Element.Type.INCLUDE;
        } else if (localName.equals(SCRIPT_TAG)) {
            elementType = Element.Type.SCRIPT;
        } else if (localName.equals(DEFINE_TAG)) {
            elementType = Element.Type.DEFINE;
        } else if (localName.equals(REFERENCE_TAG)) {
            elementType = Element.Type.REFERENCE;
        } else {
            throw new SerializationException("Invalid element.");
        }
        name = "<" + prefix + ":" + localName + ">";
    } else {
        if (Character.isUpperCase(localName.charAt(0))) {
            int i = localName.indexOf('.');
            if (i != -1 && Character.isLowerCase(localName.charAt(i + 1))) {
                // The element represents an attached property
                elementType = Element.Type.WRITABLE_PROPERTY;
                name = localName.substring(i + 1);
                String propertyClassName = namespaceURI + "." + localName.substring(0, i);
                try {
                    propertyClass = Class.forName(propertyClassName, true, classLoader);
                } catch (Throwable exception) {
                    throw new SerializationException(exception);
                }
            } else {
                // The element represents a typed object
                if (namespaceURI == null) {
                    throw new SerializationException("No XML namespace specified for " + localName + " tag.");
                }
                elementType = Element.Type.INSTANCE;
                name = "<" + ((prefix == null) ? "" : prefix + ":") + localName + ">";
                String className = namespaceURI + "." + localName.replace('.', '$');
                try {
                    Class<?> type = Class.forName(className, true, classLoader);
                    value = newTypedObject(type);
                } catch (Throwable exception) {
                    throw new SerializationException("Error creating a new '" + className + "' object", exception);
                }
            }
        } else {
            // The element represents a property
            if (prefix != null) {
                throw new SerializationException("Property elements cannot have a namespace prefix.");
            }
            if (element.value instanceof Dictionary<?, ?>) {
                elementType = Element.Type.WRITABLE_PROPERTY;
            } else {
                BeanAdapter beanAdapter = new BeanAdapter(element.value);
                if (beanAdapter.isReadOnly(localName)) {
                    Class<?> propertyType = beanAdapter.getType(localName);
                    if (propertyType == null) {
                        throw new SerializationException("\"" + localName + "\" is not a valid property of element " + element.name + ".");
                    }
                    if (ListenerList.class.isAssignableFrom(propertyType)) {
                        elementType = Element.Type.LISTENER_LIST_PROPERTY;
                    } else {
                        elementType = Element.Type.READ_ONLY_PROPERTY;
                        value = beanAdapter.get(localName);
                        assert (value != null) : "Read-only properties cannot be null.";
                    }
                } else {
                    elementType = Element.Type.WRITABLE_PROPERTY;
                }
            }
            name = localName;
        }
    }
    // Create the element and process the attributes
    element = new Element(element, elementType, name, propertyClass, value);
    processAttributes();
    if (elementType == Element.Type.INCLUDE) {
        // Load the include
        if (!element.properties.containsKey(INCLUDE_SRC_ATTRIBUTE)) {
            throw new SerializationException(INCLUDE_SRC_ATTRIBUTE + " attribute is required for " + BXML_PREFIX + ":" + INCLUDE_TAG + " tag.");
        }
        String src = element.properties.get(INCLUDE_SRC_ATTRIBUTE);
        if (src.charAt(0) == OBJECT_REFERENCE_PREFIX) {
            src = src.substring(1);
            if (src.length() > 0) {
                if (!JSON.containsKey(namespace, src)) {
                    throw new SerializationException("Value \"" + src + "\" is not defined.");
                }
                String variableValue = JSON.get(namespace, src);
                src = variableValue;
            }
        }
        Resources resourcesLocal = this.resources;
        if (element.properties.containsKey(INCLUDE_RESOURCES_ATTRIBUTE)) {
            resourcesLocal = new Resources(resourcesLocal, element.properties.get(INCLUDE_RESOURCES_ATTRIBUTE));
        }
        String mimeType = null;
        if (element.properties.containsKey(INCLUDE_MIME_TYPE_ATTRIBUTE)) {
            mimeType = element.properties.get(INCLUDE_MIME_TYPE_ATTRIBUTE);
        }
        if (mimeType == null) {
            // Get the file extension
            int i = src.lastIndexOf(".");
            if (i != -1) {
                String extension = src.substring(i + 1);
                mimeType = fileExtensions.get(extension);
            }
        }
        if (mimeType == null) {
            throw new SerializationException("Cannot determine MIME type of include \"" + src + "\".");
        }
        boolean inline = false;
        if (element.properties.containsKey(INCLUDE_INLINE_ATTRIBUTE)) {
            inline = Boolean.parseBoolean(element.properties.get(INCLUDE_INLINE_ATTRIBUTE));
        }
        // Determine an appropriate serializer to use for the include
        Class<? extends Serializer<?>> serializerClass = mimeTypes.get(mimeType);
        if (serializerClass == null) {
            throw new SerializationException("No serializer associated with MIME type " + mimeType + ".");
        }
        Serializer<?> serializer;
        try {
            serializer = newIncludeSerializer(serializerClass);
        } catch (InstantiationException exception) {
            throw new SerializationException(exception);
        } catch (IllegalAccessException exception) {
            throw new SerializationException(exception);
        }
        // Determine location from src attribute
        URL locationLocal;
        if (src.charAt(0) == SLASH_PREFIX) {
            locationLocal = classLoader.getResource(src.substring(1));
        } else {
            locationLocal = new URL(this.location, src);
        }
        // Set optional resolution properties
        if (serializer instanceof Resolvable) {
            Resolvable resolvable = (Resolvable) serializer;
            if (inline) {
                resolvable.setNamespace(namespace);
            }
            resolvable.setLocation(locationLocal);
            resolvable.setResources(resourcesLocal);
        }
        // Read the object
        try (InputStream inputStream = new BufferedInputStream(locationLocal.openStream())) {
            element.value = serializer.readObject(inputStream);
        }
    } else if (element.type == Element.Type.REFERENCE) {
        // Dereference the value
        if (!element.properties.containsKey(REFERENCE_ID_ATTRIBUTE)) {
            throw new SerializationException(REFERENCE_ID_ATTRIBUTE + " attribute is required for " + BXML_PREFIX + ":" + REFERENCE_TAG + " tag.");
        }
        String id = element.properties.get(REFERENCE_ID_ATTRIBUTE);
        if (!namespace.containsKey(id)) {
            throw new SerializationException("A value with ID \"" + id + "\" does not exist.");
        }
        element.value = namespace.get(id);
    }
    // If the element has an ID, add the value to the namespace
    if (element.id != null) {
        namespace.put(element.id, element.value);
        // If the type has an ID property, use it
        Class<?> type = element.value.getClass();
        IDProperty idProperty = type.getAnnotation(IDProperty.class);
        if (idProperty != null) {
            BeanAdapter beanAdapter = new BeanAdapter(element.value);
            beanAdapter.put(idProperty.value(), element.id);
        }
    }
}

Example 7 with Dictionary

use of org.apache.pivot.collections.Dictionary in project pivot by apache.

the class JSONSerializerTest method testEquals.

@Test
public void testEquals() throws IOException, SerializationException {
    JSONSerializer jsonSerializer = new JSONSerializer();
    JSONSerializerListener jsonSerializerListener = new JSONSerializerListener() {

        @Override
        public void beginDictionary(JSONSerializer jsonSerializerArgument, Dictionary<String, ?> value) {
            System.out.println("Begin dictionary: " + value);
        }

        @Override
        public void endDictionary(JSONSerializer jsonSerializerArgument) {
            System.out.println("End dictionary");
        }

        @Override
        public void readKey(JSONSerializer jsonSerializerArgument, String key) {
            System.out.println("Read key: " + key);
        }

        @Override
        public void beginSequence(JSONSerializer jsonSerializerArgument, Sequence<?> value) {
            System.out.println("Begin sequence: " + value);
        }

        @Override
        public void endSequence(JSONSerializer jsonSerializerArgument) {
            System.out.println("End sequence");
        }

        @Override
        public void readString(JSONSerializer jsonSerializerArgument, String value) {
            System.out.println("Read string: " + value);
        }

        @Override
        public void readNumber(JSONSerializer jsonSerializerArgument, Number value) {
            System.out.println("Read number: " + value);
        }

        @Override
        public void readBoolean(JSONSerializer jsonSerializerArgument, Boolean value) {
            System.out.println("Read boolean: " + value);
        }

        @Override
        public void readNull(JSONSerializer jsonSerializerArgument) {
            System.out.println("Read null");
        }
    };
    jsonSerializer.getJSONSerializerListeners().add(jsonSerializerListener);
    Object o1 = jsonSerializer.readObject(getClass().getResourceAsStream("map.json"));
    assertEquals((Integer) JSON.get(o1, "a"), (Integer) 100);
    assertEquals(JSON.get(o1, "b"), "Hello");
    assertEquals(JSON.get(o1, "c"), false);
    assertEquals((Integer) JSON.get(o1, "e.g"), (Integer) 5);
    assertEquals((Integer) JSON.get(o1, "i.a"), (Integer) 200);
    assertEquals(JSON.get(o1, "i.c"), true);
    assertEquals(JSON.get(o1, "m"), "Hello\r\n\tWorld!");
    jsonSerializer.getJSONSerializerListeners().remove(jsonSerializerListener);
    Object o2 = jsonSerializer.readObject(getClass().getResourceAsStream("map.json"));
    assertEquals((Integer) JSON.get(o2, "k[1].a"), (Integer) 10);
    assertEquals((Integer) JSON.get(o2, "k[2].a"), (Integer) 100);
    assertEquals((Integer) JSON.get(o2, "k[2].b"), (Integer) 200);
    assertEquals(JSON.get(o2, "k[2].c"), "300");
    assertEquals((Integer) JSON.get(o2, "j"), (Integer) 200);
    assertEquals(JSON.get(o2, "n"), "This is a \"test\" of the 'quoting' in \\JSON\\");
    assertTrue(o1.equals(o2));
    List<?> d = JSON.get(o1, "d");
    d.remove(0, 1);
    assertFalse(o1.equals(o2));
}

Example 8 with Dictionary

use of org.apache.pivot.collections.Dictionary in project pivot by apache.

the class CSVSerializerTest method testQuotedNewlineReadObject.

@Test
public void testQuotedNewlineReadObject() throws IOException, SerializationException {
    StringBuilder buf = new StringBuilder();
    buf.append("a,\"b\nb  \",c\r\n");
    StringReader reader = new StringReader(buf.toString());
    CSVSerializer serializer = new CSVSerializer();
    serializer.setKeys("A", "B", "C");
    List<?> result = serializer.readObject(reader);
    @SuppressWarnings("unchecked") Dictionary<String, Object> row = (Dictionary<String, Object>) result.get(0);
    assertEquals("a", row.get("A"));
    assertEquals("b\nb", row.get("B"));
    assertEquals("c", row.get("C"));
}

Example 9 with Dictionary

use of org.apache.pivot.collections.Dictionary in project pivot by apache.

the class JSON method get.

/**
 * Returns the value at a given path.
 *
 * @param <T> The type of value to expect.
 * @param root The root object.
 * @param keys The path to the value as a sequence of keys.
 * @return The value at the given path.
 */
@SuppressWarnings("unchecked")
public static <T> T get(Object root, Sequence<String> keys) {
    Utils.checkNull(keys, "keys");
    Object value = root;
    for (int i = 0, n = keys.getLength(); i < n; i++) {
        if (value == null) {
            break;
        }
        String key = keys.get(i);
        Map<String, T> adapter = (Map<String, T>) (value instanceof java.util.Map ? new MapAdapter<>((java.util.Map<String, T>) value) : (value instanceof Map ? ((Map<String, T>) value) : new BeanAdapter(value)));
        if (adapter.containsKey(key)) {
            value = adapter.get(key);
        } else if (value instanceof Sequence<?>) {
            Sequence<Object> sequence = (Sequence<Object>) value;
            value = sequence.get(Integer.parseInt(key));
        } else if (value instanceof Dictionary<?, ?>) {
            Dictionary<String, Object> dictionary = (Dictionary<String, Object>) value;
            value = dictionary.get(key);
        } else {
            throw new IllegalArgumentException("Property \"" + key + "\" not found.");
        }
    }
    return (T) value;
}

Example 10 with Dictionary

use of org.apache.pivot.collections.Dictionary in project pivot by apache.

the class CSVSerializer method readItem.

@SuppressWarnings("unchecked")
private Object readItem(Reader reader) throws IOException, SerializationException {
    Object item = null;
    if (c != -1) {
        // Instantiate the item
        Dictionary<String, Object> itemDictionary;
        try {
            if (itemType instanceof ParameterizedType) {
                ParameterizedType parameterizedItemType = (ParameterizedType) itemType;
                Class<?> rawItemType = (Class<?>) parameterizedItemType.getRawType();
                item = rawItemType.newInstance();
            } else {
                Class<?> classItemType = (Class<?>) itemType;
                item = classItemType.newInstance();
            }
            if (item instanceof Dictionary<?, ?>) {
                itemDictionary = (Dictionary<String, Object>) item;
            } else {
                itemDictionary = new BeanAdapter(item);
            }
        } catch (IllegalAccessException exception) {
            throw new SerializationException(exception);
        } catch (InstantiationException exception) {
            throw new SerializationException(exception);
        }
        // Add values to the item
        for (int i = 0, n = keys.getLength(); i < n; i++) {
            String key = keys.get(i);
            String value = readValue(reader);
            if (value == null) {
                throw new SerializationException("Error reading value for " + key + " from input stream.");
            }
            if (c == '\r' || c == '\n') {
                if (i < n - 1) {
                    throw new SerializationException("Line data is incomplete.");
                }
                // Move to next char; if LF, move again
                c = reader.read();
                if (c == '\n') {
                    c = reader.read();
                }
            }
            itemDictionary.put(key, value);
        }
        // Notify the listeners
        if (csvSerializerListeners != null) {
            csvSerializerListeners.readItem(this, item);
        }
    }
    return item;
}