Examples with BeanInfo java.beans.BeanInfo used on opensource projects

Example 76 with BeanInfo

use of java.beans.BeanInfo in project opennars by opennars.

the class DefaultBeanInfoResolver method getBeanInfo.

public BeanInfo getBeanInfo(Class clazz) {
    if (clazz == null) {
        return null;
    }
    String classname = clazz.getName();
    // look for .impl.basic., remove it and call getBeanInfo(class)
    int index = classname.indexOf(".impl.basic");
    if (index != -1 && classname.endsWith("Basic")) {
        classname = classname.substring(0, index) + classname.substring(index + ".impl.basic".length(), classname.lastIndexOf("Basic"));
        try {
            return getBeanInfo(Class.forName(classname));
        } catch (ClassNotFoundException e) {
            return null;
        }
    } else {
        try {
            BeanInfo beanInfo = (BeanInfo) Class.forName(classname + "BeanInfo").newInstance();
            return beanInfo;
        } catch (Exception e) {
            return null;
        }
    }
}

Example 77 with BeanInfo

use of java.beans.BeanInfo in project cosmic by MissionCriticalCloud.

the class ReflectUtil method flattenProperties.

private static List<String> flattenProperties(final Object target, final Class<?> clazz, final ImmutableSet<String> excludedProperties) {
    assert clazz != null;
    if (target == null) {
        return emptyList();
    }
    assert clazz.isAssignableFrom(target.getClass());
    try {
        final BeanInfo beanInfo = getBeanInfo(clazz);
        final PropertyDescriptor[] descriptors = beanInfo.getPropertyDescriptors();
        final List<String> serializedProperties = new ArrayList<>();
        for (final PropertyDescriptor descriptor : descriptors) {
            if (excludedProperties.contains(descriptor.getName())) {
                continue;
            }
            serializedProperties.add(descriptor.getName());
            final Object value = descriptor.getReadMethod().invoke(target);
            serializedProperties.add(value != null ? value.toString() : "null");
        }
        return unmodifiableList(serializedProperties);
    } catch (final IntrospectionException e) {
        s_logger.warn("Ignored IntrospectionException when serializing class " + target.getClass().getCanonicalName(), e);
    } catch (final IllegalArgumentException e) {
        s_logger.warn("Ignored IllegalArgumentException when serializing class " + target.getClass().getCanonicalName(), e);
    } catch (final IllegalAccessException e) {
        s_logger.warn("Ignored IllegalAccessException when serializing class " + target.getClass().getCanonicalName(), e);
    } catch (final InvocationTargetException e) {
        s_logger.warn("Ignored InvocationTargetException when serializing class " + target.getClass().getCanonicalName(), e);
    }
    return emptyList();
}

Example 78 with BeanInfo

use of java.beans.BeanInfo in project shiro by apache.

the class PrincipalTag method getPrincipalProperty.

private String getPrincipalProperty(Object principal, String property) throws JspTagException {
    String strValue = null;
    try {
        BeanInfo bi = Introspector.getBeanInfo(principal.getClass());
        // Loop through the properties to get the string value of the specified property
        boolean foundProperty = false;
        for (PropertyDescriptor pd : bi.getPropertyDescriptors()) {
            if (pd.getName().equals(property)) {
                Object value = pd.getReadMethod().invoke(principal, (Object[]) null);
                strValue = String.valueOf(value);
                foundProperty = true;
                break;
            }
        }
        if (!foundProperty) {
            final String message = "Property [" + property + "] not found in principal of type [" + principal.getClass().getName() + "]";
            if (log.isErrorEnabled()) {
                log.error(message);
            }
            throw new JspTagException(message);
        }
    } catch (Exception e) {
        final String message = "Error reading property [" + property + "] from principal of type [" + principal.getClass().getName() + "]";
        if (log.isErrorEnabled()) {
            log.error(message, e);
        }
        throw new JspTagException(message, e);
    }
    return strValue;
}

Example 79 with BeanInfo

use of java.beans.BeanInfo in project typescript-generator by vojtechhabarta.

the class Jackson2Parser method parseEnumOrObjectEnum.

private DeclarationModel parseEnumOrObjectEnum(SourceType<Class<?>> sourceClass) {
    final JsonFormat jsonFormat = sourceClass.type.getAnnotation(JsonFormat.class);
    if (jsonFormat != null && jsonFormat.shape() == JsonFormat.Shape.OBJECT) {
        return parseBean(sourceClass);
    }
    final boolean isNumberBased = jsonFormat != null && (jsonFormat.shape() == JsonFormat.Shape.NUMBER || jsonFormat.shape() == JsonFormat.Shape.NUMBER_FLOAT || jsonFormat.shape() == JsonFormat.Shape.NUMBER_INT);
    final List<EnumMemberModel> enumMembers = new ArrayList<>();
    if (sourceClass.type.isEnum()) {
        final Class<?> enumClass = (Class<?>) sourceClass.type;
        try {
            Method valueMethod = null;
            final BeanInfo beanInfo = Introspector.getBeanInfo(enumClass);
            for (PropertyDescriptor propertyDescriptor : beanInfo.getPropertyDescriptors()) {
                final Method readMethod = propertyDescriptor.getReadMethod();
                if (readMethod.isAnnotationPresent(JsonValue.class)) {
                    valueMethod = readMethod;
                }
            }
            int index = 0;
            for (Field field : enumClass.getFields()) {
                if (field.isEnumConstant()) {
                    if (isNumberBased) {
                        final Number value = getNumberEnumValue(field, valueMethod, index++);
                        enumMembers.add(new EnumMemberModel(field.getName(), value, null));
                    } else {
                        final String value = getStringEnumValue(field, valueMethod);
                        enumMembers.add(new EnumMemberModel(field.getName(), value, null));
                    }
                }
            }
        } catch (Exception e) {
            System.out.println(String.format("Cannot get enum values for '%s' enum", enumClass.getName()));
            e.printStackTrace(System.out);
        }
    }
    return new EnumModel(sourceClass.type, isNumberBased ? EnumKind.NumberBased : EnumKind.StringBased, enumMembers, null);
}

Example 80 with BeanInfo

use of java.beans.BeanInfo in project fabric8 by fabric8io.

the class UserConfigurationCompare method configEqualKubernetesDTO.

/**
 * Compares 2 instances of the given Kubernetes DTO class to see if the user has changed their configuration.
 * <p/>
 * This method will ignore properties {@link #ignoredProperties} such as status or timestamp properties
 */
protected static boolean configEqualKubernetesDTO(@NotNull Object entity1, @NotNull Object entity2, @NotNull Class<?> clazz) {
    // lets iterate through the objects making sure we've not
    BeanInfo beanInfo = null;
    try {
        beanInfo = Introspector.getBeanInfo(clazz);
    } catch (IntrospectionException e) {
        LOG.warn("Failed to get beanInfo for " + clazz.getName() + ". " + e, e);
        return false;
    }
    try {
        PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
        for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
            String name = propertyDescriptor.getName();
            if (ignoredProperties.contains(name)) {
                continue;
            }
            Method readMethod = propertyDescriptor.getReadMethod();
            if (readMethod != null) {
                Object value1 = invokeMethod(entity1, readMethod);
                Object value2 = invokeMethod(entity2, readMethod);
                if (!configEqual(value1, value2)) {
                    return false;
                }
            }
        }
        return true;
    } catch (Exception e) {
        return false;
    }
}