Examples with SerializationException org.apache.pivot.serialization.SerializationException used on opensource projects

Example 31 with SerializationException

use of org.apache.pivot.serialization.SerializationException in project pivot by apache.

the class JSONSerializer method readListValue.

@SuppressWarnings("unchecked")
private Object readListValue(Reader reader, Type typeArgument, String key) throws IOException, SerializationException {
    Sequence<Object> sequence = null;
    Type itemType = null;
    if (typeArgument == Object.class) {
        // Return the default sequence and item types
        sequence = new ArrayList<>();
        itemType = Object.class;
    } else {
        // Determine the item type from generic parameters
        Type parentType = typeArgument;
        while (parentType != null) {
            if (parentType instanceof ParameterizedType) {
                ParameterizedType parameterizedType = (ParameterizedType) parentType;
                Class<?> rawType = (Class<?>) parameterizedType.getRawType();
                if (Sequence.class.isAssignableFrom(rawType)) {
                    itemType = parameterizedType.getActualTypeArguments()[0];
                }
                break;
            }
            Class<?> classType = (Class<?>) parentType;
            Type[] genericInterfaces = classType.getGenericInterfaces();
            for (int i = 0; i < genericInterfaces.length; i++) {
                Type genericInterface = genericInterfaces[i];
                if (genericInterface instanceof ParameterizedType) {
                    ParameterizedType parameterizedType = (ParameterizedType) genericInterface;
                    Class<?> interfaceType = (Class<?>) parameterizedType.getRawType();
                    if (Sequence.class.isAssignableFrom(interfaceType)) {
                        itemType = parameterizedType.getActualTypeArguments()[0];
                        if (itemType instanceof TypeVariable<?>) {
                            itemType = Object.class;
                        }
                        break;
                    }
                }
            }
            if (itemType != null) {
                break;
            }
            parentType = classType.getGenericSuperclass();
        }
        if (itemType == null) {
            throw new SerializationException("Could not determine sequence item type.");
        }
        // Instantiate the sequence type
        Class<?> sequenceType;
        if (typeArgument instanceof ParameterizedType) {
            ParameterizedType parameterizedType = (ParameterizedType) typeArgument;
            sequenceType = (Class<?>) parameterizedType.getRawType();
        } else {
            sequenceType = (Class<?>) typeArgument;
        }
        try {
            sequence = (Sequence<Object>) sequenceType.newInstance();
        } catch (InstantiationException exception) {
            throw new RuntimeException(exception);
        } catch (IllegalAccessException exception) {
            throw new RuntimeException(exception);
        }
    }
    // Notify the listeners
    if (jsonSerializerListeners != null) {
        jsonSerializerListeners.beginSequence(this, sequence);
    }
    // Move to the next character after '['
    c = reader.read();
    skipWhitespaceAndComments(reader);
    while (c != -1 && c != ']') {
        sequence.add(readValue(reader, itemType, key));
        skipWhitespaceAndComments(reader);
        if (c == ',') {
            c = reader.read();
            skipWhitespaceAndComments(reader);
        } else if (c == -1) {
            throw new SerializationException("Unexpected end of input stream.");
        } else {
            if (c != ']') {
                throw new SerializationException("Unexpected character in input stream: '" + (char) c + "'");
            }
        }
    }
    // Move to the next character after ']'
    c = reader.read();
    // Notify the listeners
    if (jsonSerializerListeners != null) {
        jsonSerializerListeners.endSequence(this);
    }
    return sequence;
}

Example 32 with SerializationException

use of org.apache.pivot.serialization.SerializationException in project pivot by apache.

the class JSONSerializer method readString.

private String readString(Reader reader) throws IOException, SerializationException {
    StringBuilder stringBuilder = new StringBuilder();
    // Use the same delimiter to close the string
    int t = c;
    // Move to the next character after the delimiter
    c = reader.read();
    while (c != -1 && c != t) {
        // so silently ignore them
        if (!Character.isISOControl(c)) {
            if (c == '\\') {
                c = reader.read();
                if (c == 'b') {
                    c = '\b';
                } else if (c == 'f') {
                    c = '\f';
                } else if (c == 'n') {
                    c = '\n';
                } else if (c == 'r') {
                    c = '\r';
                } else if (c == 't') {
                    c = '\t';
                } else if (c == 'u') {
                    StringBuilder unicodeBuilder = new StringBuilder();
                    while (unicodeBuilder.length() < 4) {
                        c = reader.read();
                        unicodeBuilder.append((char) c);
                    }
                    String unicode = unicodeBuilder.toString();
                    c = (char) Integer.parseInt(unicode, 16);
                } else {
                    if (!(c == '\\' || c == '/' || c == '\"' || c == '\'' || c == t)) {
                        throw new SerializationException("Unsupported escape sequence in input stream.");
                    }
                }
            }
            stringBuilder.append((char) c);
        }
        c = reader.read();
    }
    if (c != t) {
        throw new SerializationException("Unterminated string in input stream.");
    }
    // Move to the next character after the delimiter
    c = reader.read();
    return stringBuilder.toString();
}

Example 33 with SerializationException

use of org.apache.pivot.serialization.SerializationException in project pivot by apache.

the class BXMLSerializer method setStaticProperty.

private static void setStaticProperty(Object object, Class<?> propertyClass, final String propertyName, final Object value) throws SerializationException {
    Class<?> objectType = object.getClass();
    String propertyNameUpdated = Character.toUpperCase(propertyName.charAt(0)) + propertyName.substring(1);
    Object valueToAssign = value;
    Method setterMethod = null;
    if (valueToAssign != null) {
        setterMethod = getStaticSetterMethod(propertyClass, propertyNameUpdated, objectType, valueToAssign.getClass());
    }
    if (setterMethod == null) {
        Method getterMethod = getStaticGetterMethod(propertyClass, propertyNameUpdated, objectType);
        if (getterMethod != null) {
            Class<?> propertyType = getterMethod.getReturnType();
            setterMethod = getStaticSetterMethod(propertyClass, propertyNameUpdated, objectType, propertyType);
            if (valueToAssign instanceof String) {
                valueToAssign = BeanAdapter.coerce((String) valueToAssign, propertyType, propertyNameUpdated);
            }
        }
    }
    if (setterMethod == null) {
        throw new SerializationException(propertyClass.getName() + "." + propertyNameUpdated + " is not valid static property.");
    }
    // Invoke the setter
    try {
        setterMethod.invoke(null, object, valueToAssign);
    } catch (Exception exception) {
        throw new SerializationException(exception);
    }
}

Example 34 with SerializationException

use of org.apache.pivot.serialization.SerializationException in project pivot by apache.

the class BXMLSerializer method getEngineByExtension.

/**
 * Get a script engine instance for the given (file) extension.
 * <p> Two things happen for a new script engine:  set the global bindings to our
 * {@link #namespace} so that any existing global definitions get set, and the
 * {@link #NASHORN_COMPAT_SCRIPT} is run to ensure compatibility with the "Rhino"
 * script engine (pre-Java-8).
 * <p> Note: an engine found by this method will also be added to the {@link #scriptEngines}
 * map indexed by all its supported language names.
 *
 * @param extension Any script language extension supported by the current JVM.
 * @return Either an existing engine for that extension, or a new one found by the
 * {@link #scriptEngineManager} and then cached (in the {@link #scriptEnginesExts} map).
 */
private ScriptEngine getEngineByExtension(String extension) throws SerializationException {
    String extensionKey = extension.toLowerCase();
    ScriptEngine engine = scriptEnginesExts.get(extensionKey);
    if (engine != null) {
        return engine;
    }
    engine = scriptEngineManager.getEngineByExtension(extension);
    if (engine == null) {
        throw new SerializationException("Unable to find scripting engine for" + " extension " + extension + ".");
    }
    // NOTE: this might not be right for Rhino engine, but works for Nashorn
    engine.setBindings(bindings, ScriptContext.GLOBAL_SCOPE);
    if (engine.getFactory().getNames().contains("javascript")) {
        try {
            engine.eval(NASHORN_COMPAT_SCRIPT);
        } catch (ScriptException se) {
            throw new SerializationException("Unable to execute Nashorn compatibility script:", se);
        }
    }
    scriptEnginesExts.put(extensionKey, engine);
    // Also put this engine into the "languages" map by the language(s) it supports
    for (String language : engine.getFactory().getNames()) {
        String languageKey = language.toLowerCase();
        if (!scriptEngines.containsKey(languageKey)) {
            scriptEngines.put(languageKey, engine);
        }
    }
    return engine;
}

Example 35 with SerializationException

use of org.apache.pivot.serialization.SerializationException in project pivot by apache.

the class BXMLSerializer method newEngineByName.

private ScriptEngine newEngineByName(String scriptLanguage) throws SerializationException {
    ScriptEngine engine = scriptEngineManager.getEngineByName(scriptLanguage);
    if (engine == null) {
        throw new SerializationException("Unable to find scripting engine for" + " language \"" + scriptLanguage + "\".");
    }
    // NOTE: this might not be right for Rhino engine, but works for Nashorn
    engine.setBindings(bindings, ScriptContext.GLOBAL_SCOPE);
    if (engine.getFactory().getNames().contains("javascript")) {
        try {
            engine.eval(NASHORN_COMPAT_SCRIPT);
        } catch (ScriptException se) {
            throw new SerializationException("Unable to execute Nashorn compatibility script:", se);
        }
    }
    return engine;
}