private Object newValue(Class<?> type, String name) {
try {
if (type.isArray()) {
Class<?> componentType = type.getComponentType();
// TODO - only handles 2-dimensional arrays
if (componentType.isArray()) {
Object array = Array.newInstance(componentType, 1);
Array.set(array, 0, Array.newInstance(componentType.getComponentType(), 0));
return array;
} else {
return Array.newInstance(componentType, 0);
}
} else if (Collection.class.isAssignableFrom(type)) {
return CollectionFactory.createCollection(type, 16);
} else if (Map.class.isAssignableFrom(type)) {
return CollectionFactory.createMap(type, 16);
} else {
return type.newInstance();
}
} catch (Exception ex) {
// TODO Root cause exception context is lost here... should we throw another exception type
// that preserves context instead?
throw new NullValueInNestedPathException(
getRootClass(),
this.nestedPath + name,
"Could not instantiate property type ["
+ type.getName()
+ "] to auto-grow nested property path: "
+ ex);
}
}
/**
* 将对象中的属性值置入到fields中。
*
* <p>对于<code>isValidated()</code>为<code>true</code>的group，该方法无效。
*/
public void mapTo(Object object) {
if (isValidated() || object == null) {
return;
}
if (log.isDebugEnabled()) {
log.debug(
"Mapping properties to fields: group=\"{}\", object={}",
getName(),
ObjectUtil.identityToString(object));
}
BeanWrapper bean = new BeanWrapperImpl(object);
getForm().getFormConfig().getPropertyEditorRegistrar().registerCustomEditors(bean);
for (Field field : getFields()) {
String propertyName = field.getFieldConfig().getPropertyName();
if (bean.isReadableProperty(propertyName)) {
Object propertyValue = bean.getPropertyValue(propertyName);
Class<?> propertyType = bean.getPropertyType(propertyName);
PropertyEditor editor = bean.findCustomEditor(propertyType, propertyName);
if (editor == null) {
editor = BeanUtils.findEditorByConvention(propertyType);
}
if (editor == null) {
if (propertyType.isArray()
|| CollectionFactory.isApproximableCollectionType(propertyType)) {
field.setValues((String[]) bean.convertIfNecessary(propertyValue, String[].class));
} else {
field.setValue(bean.convertIfNecessary(propertyValue, String.class));
}
} else {
editor.setValue(propertyValue);
field.setValue(editor.getAsText());
}
} else {
log.debug(
"No readable property \"{}\" found in type {}",
propertyName,
object.getClass().getName());
}
}
}
/**
* Reads the given {@link DBObject} into a {@link Map}. will recursively resolve nested {@link
* Map}s as well.
*
* @param type the {@link Map} {@link TypeInformation} to be used to unmarshall this {@link
* DBObject}.
* @param dbObject must not be {@literal null}
* @param path must not be {@literal null}
* @return
*/
@SuppressWarnings("unchecked")
protected Map<Object, Object> readMap(
TypeInformation<?> type, DBObject dbObject, ObjectPath path) {
Assert.notNull(dbObject, "DBObject must not be null!");
Assert.notNull(path, "Object path must not be null!");
Class<?> mapType = typeMapper.readType(dbObject, type).getType();
TypeInformation<?> keyType = type.getComponentType();
Class<?> rawKeyType = keyType == null ? null : keyType.getType();
TypeInformation<?> valueType = type.getMapValueType();
Class<?> rawValueType = valueType == null ? null : valueType.getType();
Map<Object, Object> map =
CollectionFactory.createMap(mapType, rawKeyType, dbObject.keySet().size());
Map<String, Object> sourceMap = dbObject.toMap();
for (Entry<String, Object> entry : sourceMap.entrySet()) {
if (typeMapper.isTypeKey(entry.getKey())) {
continue;
}
Object key = potentiallyUnescapeMapKey(entry.getKey());
if (rawKeyType != null) {
key = conversionService.convert(key, rawKeyType);
}
Object value = entry.getValue();
if (value instanceof DBObject) {
map.put(key, read(valueType, (DBObject) value, path));
} else if (value instanceof DBRef) {
map.put(
key,
DBRef.class.equals(rawValueType) ? value : read(valueType, readRef((DBRef) value)));
} else {
Class<?> valueClass = valueType == null ? null : valueType.getType();
map.put(key, getPotentiallyConvertedSimpleRead(value, valueClass));
}
}
return map;
}
/**
* Reads the given {@link BasicDBList} into a collection of the given {@link TypeInformation}.
*
* @param targetType must not be {@literal null}.
* @param sourceValue must not be {@literal null}.
* @param path must not be {@literal null}.
* @return the converted {@link Collection} or array, will never be {@literal null}.
*/
private Object readCollectionOrArray(
TypeInformation<?> targetType, BasicDBList sourceValue, ObjectPath path) {
Assert.notNull(targetType, "Target type must not be null!");
Assert.notNull(path, "Object path must not be null!");
Class<?> collectionType = targetType.getType();
if (sourceValue.isEmpty()) {
return getPotentiallyConvertedSimpleRead(new HashSet<Object>(), collectionType);
}
TypeInformation<?> componentType = targetType.getComponentType();
Class<?> rawComponentType = componentType == null ? null : componentType.getType();
collectionType =
Collection.class.isAssignableFrom(collectionType) ? collectionType : List.class;
Collection<Object> items =
targetType.getType().isArray()
? new ArrayList<Object>()
: CollectionFactory.createCollection(
collectionType, rawComponentType, sourceValue.size());
for (int i = 0; i < sourceValue.size(); i++) {
Object dbObjItem = sourceValue.get(i);
if (dbObjItem instanceof DBRef) {
items.add(
DBRef.class.equals(rawComponentType)
? dbObjItem
: read(componentType, readRef((DBRef) dbObjItem), path));
} else if (dbObjItem instanceof DBObject) {
items.add(read(componentType, (DBObject) dbObjItem, path));
} else {
items.add(getPotentiallyConvertedSimpleRead(dbObjItem, rawComponentType));
}
}
return getPotentiallyConvertedSimpleRead(items, targetType.getType());
}
public Map getBeansOfType(Class type, boolean includePrototypes, boolean includeFactoryBeans)
throws BeansException {
String[] beanNames = getBeanNamesForType(type, includePrototypes, includeFactoryBeans);
Map result = CollectionFactory.createLinkedMapIfPossible(beanNames.length);
for (int i = 0; i < beanNames.length; i++) {
String beanName = beanNames[i];
try {
result.put(beanName, getBean(beanName));
} catch (BeanCreationException ex) {
if (ex.contains(BeanCurrentlyInCreationException.class)) {
if (logger.isDebugEnabled()) {
logger.debug("Ignoring match to currently created bean '" + beanName + "'", ex);
}
// Ignore: indicates a circular reference when autowiring constructors.
// We want to find matches other than the currently created bean itself.
} else {
throw ex;
}
}
}
return result;
}
@Override
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {
return null;
}
String string = (String) source;
String[] fields = StringUtils.commaDelimitedListToStringArray(string);
Collection<Object> target =
CollectionFactory.createCollection(targetType.getType(), fields.length);
if (targetType.getElementTypeDescriptor() == null) {
for (String field : fields) {
target.add(field.trim());
}
} else {
for (String field : fields) {
Object targetElement =
this.conversionService.convert(
field.trim(), sourceType, targetType.getElementTypeDescriptor());
target.add(targetElement);
}
}
return target;
}
/** @author diogomariano */
public class CpfHttpServletRequest implements HttpServletRequest {
public static final String DEFAULT_PROTOCOL = "http";
public static final String DEFAULT_SERVER_ADDR = "127.0.0.1";
public static final String DEFAULT_SERVER_NAME = "localhost";
public static final int DEFAULT_SERVER_PORT = 8080;
public static final String DEFAULT_REMOTE_ADDR = "127.0.0.1";
public static final String DEFAULT_REMOTE_HOST = "localhost";
private String protocol = DEFAULT_PROTOCOL;
private String scheme = DEFAULT_PROTOCOL;
private String serverName = DEFAULT_SERVER_NAME;
private int serverPort = DEFAULT_SERVER_PORT;
private int localPort = DEFAULT_SERVER_PORT;
private boolean secure = false;
private int remotePort = DEFAULT_SERVER_PORT;
private String localName = DEFAULT_SERVER_NAME;
private String localAddr = DEFAULT_SERVER_ADDR;
private String remoteAddr = DEFAULT_REMOTE_ADDR;
private String remoteHost = DEFAULT_REMOTE_HOST;
private final ServletContext servletContext;
private String method;
private String pathInfo;
private String requestURI;
private String contextPath = "";
private final Vector locales = new Vector();
private String authType;
private Cookie[] cookies;
private final Hashtable headers = new Hashtable();
private final Hashtable attributes = new Hashtable();
private final Map parameters = CollectionFactory.createLinkedMapIfPossible(16);
private final Set userRoles = new HashSet();
private boolean active = true;
private String servletPath;
private Principal userPrincipal;
private String queryString;
private String remoteUser;
private HttpSession session;
private boolean requestedSessionIdValid = true;
private boolean requestedSessionIdFromCookie = true;
private boolean requestedSessionIdFromURL = false;
private String characterEncoding;
private byte[] content;
private String contentType;
public CpfHttpServletRequest() {
this(null, "", "");
}
public CpfHttpServletRequest(String method, String requestURI) {
this(null, method, requestURI);
}
public CpfHttpServletRequest(ServletContext servletContext) {
this(servletContext, "", "");
}
public CpfHttpServletRequest(ServletContext servletContext, String method, String requestURI) {
this.servletContext = (servletContext != null ? servletContext : new CpfServletContext());
this.method = method;
this.requestURI = requestURI;
this.locales.add(Locale.ENGLISH);
}
public boolean isActive() {
return this.active;
}
public void close() {
this.active = false;
}
public void invalidate() {
close();
clearAttributes();
}
protected void checkActive() throws IllegalStateException {
if (!this.active) {
throw new IllegalStateException("Request is not active anymore");
}
}
@Override
public String getAuthType() {
return this.authType;
}
public void setAuthType(String authType) {
this.authType = authType;
}
@Override
public Cookie[] getCookies() {
return this.cookies;
}
public void setCookies(Cookie[] cookies) {
this.cookies = cookies;
}
public void addHeader(String name, Object value) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
if (header == null) {
header = new HeaderValueHolder();
this.headers.put(name, header);
}
if (value instanceof Collection) {
header.addValues((Collection) value);
} else if (value.getClass().isArray()) {
header.addValueArray(value);
} else {
header.addValue(value);
}
}
@Override
public long getDateHeader(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
Object value = (header != null ? header.getValue() : null);
if (value instanceof Date) {
return ((Date) value).getTime();
} else if (value instanceof Number) {
return ((Number) value).longValue();
} else if (value != null) {
throw new IllegalArgumentException(
"Value for header '" + name + "' is neither a Date nor a Number: " + value);
} else {
return -1L;
}
}
@Override
public String getHeader(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
return (header != null ? header.getValue().toString() : null);
}
@Override
public Enumeration getHeaders(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
return Collections.enumeration(header != null ? header.getValues() : Collections.EMPTY_LIST);
}
@Override
public Enumeration getHeaderNames() {
return this.headers.keys();
}
@Override
public int getIntHeader(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
Object value = (header != null ? header.getValue() : null);
if (value instanceof Number) {
return ((Number) value).intValue();
} else if (value instanceof String) {
return Integer.parseInt((String) value);
} else if (value != null) {
throw new NumberFormatException("Value for header '" + name + "' is not a Number: " + value);
} else {
return -1;
}
}
@Override
public String getMethod() {
return this.method;
}
public void setMethod() {
this.method = method;
}
@Override
public String getPathInfo() {
return this.pathInfo;
}
public void setPathInfo(String pathInfo) {
this.pathInfo = pathInfo;
}
@Override
public String getPathTranslated() {
return (this.pathInfo != null ? getRealPath(this.pathInfo) : null);
}
@Override
public String getContextPath() {
return this.contextPath;
}
public void setContextPath(String contextPath) {
this.contextPath = contextPath;
}
@Override
public String getQueryString() {
return this.queryString;
}
public void setQueryString(String queryString) {
this.queryString = queryString;
}
@Override
public String getRemoteUser() {
throw new UnsupportedOperationException("Not supported yet.");
}
public void setRemoteUser(String remoteUser) {
this.remoteUser = remoteUser;
}
public void addRole(String role) {
addUserRole(role);
}
public void addUserRole(String role) {
this.userRoles.add(role);
}
@Override
public boolean isUserInRole(String role) {
return this.userRoles.contains(role);
}
@Override
public Principal getUserPrincipal() {
return this.userPrincipal;
}
public void setUserPrincipal(Principal userPrincipal) {
this.userPrincipal = userPrincipal;
}
@Override
public String getRequestedSessionId() {
HttpSession session = getSession();
return (session != null ? session.getId() : null);
}
@Override
public String getRequestURI() {
return this.requestURI;
}
public void setRequestURI(String requestURI) {
this.requestURI = requestURI;
}
@Override
public StringBuffer getRequestURL() {
StringBuffer url = new StringBuffer(this.scheme);
url.append("://").append(this.serverName).append(':').append(this.serverPort);
url.append(getRequestURI());
return url;
}
@Override
public String getServletPath() {
return this.servletPath;
}
public void setServletPath(String servletPath) {
this.servletPath = servletPath;
}
@Override
public HttpSession getSession(boolean create) {
checkActive();
// Reset session if invalidated.
if (this.session instanceof CpfHttpSession && ((CpfHttpSession) this.session).isInvalid()) {
this.session = null;
}
// Create new session if necessary.
if (this.session == null && create) {
this.session = new CpfHttpSession(this.servletContext);
}
return this.session;
}
@Override
public HttpSession getSession() {
return getSession(true);
}
public void setSession(HttpSession session) {
this.session = session;
if (session instanceof CpfHttpSession) {
CpfHttpSession cpfSession = ((CpfHttpSession) session);
cpfSession.access();
}
}
@Override
public boolean isRequestedSessionIdValid() {
return this.requestedSessionIdValid;
}
public void setRequestedSessionIdValid(boolean requestedSessionIdValid) {
this.requestedSessionIdValid = requestedSessionIdValid;
}
@Override
public boolean isRequestedSessionIdFromCookie() {
return this.requestedSessionIdFromCookie;
}
public void setRequestedSessionIdFromCookie(boolean requestedSessionIdFromCookie) {
this.requestedSessionIdFromCookie = requestedSessionIdFromCookie;
}
@Override
public boolean isRequestedSessionIdFromURL() {
return this.requestedSessionIdFromURL;
}
public boolean isRequestedSessionIdFromUrl() {
return isRequestedSessionIdFromURL();
}
public void setRequestedSessionIdFromURL(boolean requestedSessionIdFromURL) {
this.requestedSessionIdFromURL = requestedSessionIdFromURL;
}
@Override
public Object getAttribute(String name) {
checkActive();
return this.attributes.get(name);
}
@Override
public Enumeration getAttributeNames() {
return this.attributes.keys();
}
@Override
public String getCharacterEncoding() {
return this.characterEncoding;
}
@Override
public void setCharacterEncoding(String characterEncoding) throws UnsupportedEncodingException {
this.characterEncoding = characterEncoding;
}
public void setContent(byte[] content) {
this.content = content;
}
@Override
public int getContentLength() {
return (this.content != null ? this.content.length : -1);
}
@Override
public String getContentType() {
return this.contentType;
}
public void setContentType(String contentType) {
this.contentType = contentType;
}
@Override
public ServletInputStream getInputStream() throws IOException {
if (this.content != null) {
return new DelegatingServletInputStream(new ByteArrayInputStream(this.content));
} else {
return null;
}
}
@Override
public String getParameter(String name) {
String[] arr = (String[]) this.parameters.get(name);
return (arr != null && arr.length > 0 ? arr[0] : null);
}
public void setParameter(String name, String value) {
setParameter(name, new String[] {value});
}
public void setParameter(String name, String[] values) {
this.parameters.put(name, values);
}
public void addParameter(String name, String value) {
addParameter(name, new String[] {value});
}
public void addParameter(String name, String[] values) {
String[] oldArr = (String[]) this.parameters.get(name);
if (oldArr != null) {
String[] newArr = new String[oldArr.length + values.length];
System.arraycopy(oldArr, 0, newArr, 0, oldArr.length);
System.arraycopy(values, 0, newArr, oldArr.length, values.length);
this.parameters.put(name, newArr);
} else {
this.parameters.put(name, values);
}
}
public void removeParameter(String name) {
this.parameters.remove(name);
}
@Override
public Enumeration getParameterNames() {
return Collections.enumeration(this.parameters.keySet());
}
@Override
public String[] getParameterValues(String name) {
return (String[]) this.parameters.get(name);
}
@Override
public Map getParameterMap() {
return Collections.unmodifiableMap(this.parameters);
}
@Override
public String getProtocol() {
return this.protocol;
}
public void setProtocol(String protocol) {
this.protocol = protocol;
}
@Override
public String getScheme() {
return this.scheme;
}
public void setScheme(String scheme) {
this.scheme = scheme;
}
@Override
public String getServerName() {
return this.serverName;
}
public void setServerName(String serverName) {
this.serverName = serverName;
}
@Override
public int getServerPort() {
return this.serverPort;
}
public void setServerPort(int serverPort) {
this.serverPort = serverPort;
}
@Override
public BufferedReader getReader() throws IOException {
if (this.content != null) {
InputStream sourceStream = new ByteArrayInputStream(this.content);
Reader sourceReader =
(this.characterEncoding != null)
? new InputStreamReader(sourceStream, this.characterEncoding)
: new InputStreamReader(sourceStream);
return new BufferedReader(sourceReader);
} else {
return null;
}
}
@Override
public String getRemoteAddr() {
return this.remoteAddr;
}
public void setRemoteAddr(String remoteAddr) {
this.remoteAddr = remoteAddr;
}
@Override
public String getRemoteHost() {
return this.remoteHost;
}
public void setRemoteHost(String remoteHost) {
this.remoteHost = remoteHost;
}
@Override
public void setAttribute(String name, Object value) {
checkActive();
if (value != null) {
this.attributes.put(name, value);
} else {
this.attributes.remove(name);
}
}
@Override
public void removeAttribute(String name) {
checkActive();
this.attributes.remove(name);
}
public void clearAttributes() {
this.attributes.clear();
}
public void addPreferredLocale(Locale locale) {
this.locales.add(0, locale);
}
@Override
public Locale getLocale() {
return (Locale) this.locales.get(0);
}
@Override
public Enumeration getLocales() {
return this.locales.elements();
}
@Override
public boolean isSecure() {
return this.secure;
}
public void setSecure(boolean secure) {
this.secure = secure;
}
@Override
public RequestDispatcher getRequestDispatcher(String path) {
return new CpfRequestDispatcher(path);
}
@Override
public String getRealPath(String path) {
return this.servletContext.getRealPath(path);
}
@Override
public int getRemotePort() {
return this.remotePort;
}
public void setRemotePort(int remotePort) {
this.remotePort = remotePort;
}
@Override
public String getLocalName() {
return this.localName;
}
public void setLocalName(String localName) {
this.localName = localName;
}
@Override
public String getLocalAddr() {
return this.localAddr;
}
public void setLocalAddr(String localAddr) {
this.localAddr = localAddr;
}
@Override
public int getLocalPort() {
return this.localPort;
}
public void setLocalPort(int localPort) {
this.localPort = localPort;
}
}
@SuppressWarnings("unchecked")
protected Map convertToTypedMap(
Map original, String propertyName, Class requiredType, TypeDescriptor typeDescriptor) {
boolean originalAllowed = requiredType.isInstance(original);
if (!originalAllowed && !Map.class.isAssignableFrom(requiredType)) {
return original;
}
Class keyType = null;
Class valueType = null;
MethodParameter methodParam = typeDescriptor.getMethodParameter();
if (methodParam != null) {
keyType = GenericCollectionTypeResolver.getMapKeyParameterType(methodParam);
valueType = GenericCollectionTypeResolver.getMapValueParameterType(methodParam);
}
if (keyType == null
&& valueType == null
&& originalAllowed
&& !this.propertyEditorRegistry.hasCustomEditorForElement(null, propertyName)) {
return original;
}
Iterator it;
try {
it = original.entrySet().iterator();
if (it == null) {
if (logger.isDebugEnabled()) {
logger.debug(
"Map of type ["
+ original.getClass().getName()
+ "] returned null Iterator - injecting original Map as-is");
}
return original;
}
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Cannot access Map of type ["
+ original.getClass().getName()
+ "] - injecting original Map as-is",
ex);
}
return original;
}
Map convertedCopy;
try {
if (CollectionFactory.isApproximableMapType(requiredType)) {
convertedCopy = CollectionFactory.createApproximateMap(original, original.size());
} else {
convertedCopy = (Map) requiredType.newInstance();
}
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Cannot create copy of Map type ["
+ original.getClass().getName()
+ "] - injecting original Map as-is",
ex);
}
return original;
}
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
Object key = entry.getKey();
Object value = entry.getValue();
String keyedPropertyName = buildKeyedPropertyName(propertyName, key);
if (methodParam != null) {
methodParam.increaseNestingLevel();
methodParam.setTypeIndexForCurrentLevel(0);
}
Object convertedKey =
convertIfNecessary(keyedPropertyName, null, key, keyType, typeDescriptor);
if (methodParam != null) {
methodParam.setTypeIndexForCurrentLevel(1);
}
Object convertedValue =
convertIfNecessary(keyedPropertyName, null, value, valueType, typeDescriptor);
if (methodParam != null) {
methodParam.decreaseNestingLevel();
}
try {
convertedCopy.put(convertedKey, convertedValue);
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Map type ["
+ original.getClass().getName()
+ "] seems to be read-only - injecting original Map as-is",
ex);
}
return original;
}
originalAllowed = originalAllowed && (key == convertedKey) && (value == convertedValue);
}
return (originalAllowed ? original : convertedCopy);
}
@SuppressWarnings("unchecked")
protected Collection convertToTypedCollection(
Collection original, String propertyName, Class requiredType, TypeDescriptor typeDescriptor) {
boolean originalAllowed = requiredType.isInstance(original);
if (!originalAllowed && !Collection.class.isAssignableFrom(requiredType)) {
return original;
}
MethodParameter methodParam = typeDescriptor.getMethodParameter();
Class elementType = null;
if (methodParam != null) {
elementType = GenericCollectionTypeResolver.getCollectionParameterType(methodParam);
}
if (elementType == null
&& originalAllowed
&& !this.propertyEditorRegistry.hasCustomEditorForElement(null, propertyName)) {
return original;
}
Iterator it;
try {
it = original.iterator();
if (it == null) {
if (logger.isDebugEnabled()) {
logger.debug(
"Collection of type ["
+ original.getClass().getName()
+ "] returned null Iterator - injecting original Collection as-is");
}
return original;
}
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Cannot access Collection of type ["
+ original.getClass().getName()
+ "] - injecting original Collection as-is",
ex);
}
return original;
}
Collection convertedCopy;
try {
if (CollectionFactory.isApproximableCollectionType(requiredType)) {
convertedCopy = CollectionFactory.createApproximateCollection(original, original.size());
} else {
convertedCopy = (Collection) requiredType.newInstance();
}
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Cannot create copy of Collection type ["
+ original.getClass().getName()
+ "] - injecting original Collection as-is",
ex);
}
return original;
}
int i = 0;
for (; it.hasNext(); i++) {
Object element = it.next();
String indexedPropertyName = buildIndexedPropertyName(propertyName, i);
if (methodParam != null) {
methodParam.increaseNestingLevel();
}
Object convertedElement =
convertIfNecessary(indexedPropertyName, null, element, elementType, typeDescriptor);
if (methodParam != null) {
methodParam.decreaseNestingLevel();
}
try {
convertedCopy.add(convertedElement);
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Collection type ["
+ original.getClass().getName()
+ "] seems to be read-only - injecting original Collection as-is",
ex);
}
return original;
}
originalAllowed = originalAllowed && (element == convertedElement);
}
return (originalAllowed ? original : convertedCopy);
}
@SuppressWarnings("unchecked")
private Map<?, ?> convertToTypedMap(
Map<?, ?> original,
String propertyName,
Class<?> requiredType,
TypeDescriptor typeDescriptor) {
if (!Map.class.isAssignableFrom(requiredType)) {
return original;
}
boolean approximable = CollectionFactory.isApproximableMapType(requiredType);
if (!approximable && !canCreateCopy(requiredType)) {
if (logger.isDebugEnabled()) {
logger.debug(
"Custom Map type ["
+ original.getClass().getName()
+ "] does not allow for creating a copy - injecting original Map as-is");
}
return original;
}
boolean originalAllowed = requiredType.isInstance(original);
TypeDescriptor keyType = typeDescriptor.getMapKeyTypeDescriptor();
TypeDescriptor valueType = typeDescriptor.getMapValueTypeDescriptor();
if (keyType == null
&& valueType == null
&& originalAllowed
&& !this.propertyEditorRegistry.hasCustomEditorForElement(null, propertyName)) {
return original;
}
Iterator<?> it;
try {
it = original.entrySet().iterator();
if (it == null) {
if (logger.isDebugEnabled()) {
logger.debug(
"Map of type ["
+ original.getClass().getName()
+ "] returned null Iterator - injecting original Map as-is");
}
return original;
}
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Cannot access Map of type ["
+ original.getClass().getName()
+ "] - injecting original Map as-is: "
+ ex);
}
return original;
}
Map<Object, Object> convertedCopy;
try {
if (approximable) {
convertedCopy = CollectionFactory.createApproximateMap(original, original.size());
} else {
convertedCopy =
(Map<Object, Object>) ReflectionUtils.accessibleConstructor(requiredType).newInstance();
}
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Cannot create copy of Map type ["
+ original.getClass().getName()
+ "] - injecting original Map as-is: "
+ ex);
}
return original;
}
while (it.hasNext()) {
Map.Entry<?, ?> entry = (Map.Entry<?, ?>) it.next();
Object key = entry.getKey();
Object value = entry.getValue();
String keyedPropertyName = buildKeyedPropertyName(propertyName, key);
Object convertedKey =
convertIfNecessary(
keyedPropertyName, null, key, (keyType != null ? keyType.getType() : null), keyType);
Object convertedValue =
convertIfNecessary(
keyedPropertyName,
null,
value,
(valueType != null ? valueType.getType() : null),
valueType);
try {
convertedCopy.put(convertedKey, convertedValue);
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Map type ["
+ original.getClass().getName()
+ "] seems to be read-only - injecting original Map as-is: "
+ ex);
}
return original;
}
originalAllowed = originalAllowed && (key == convertedKey) && (value == convertedValue);
}
return (originalAllowed ? original : convertedCopy);
}
@SuppressWarnings("unchecked")
private Collection<?> convertToTypedCollection(
Collection<?> original,
String propertyName,
Class<?> requiredType,
TypeDescriptor typeDescriptor) {
if (!Collection.class.isAssignableFrom(requiredType)) {
return original;
}
boolean approximable = CollectionFactory.isApproximableCollectionType(requiredType);
if (!approximable && !canCreateCopy(requiredType)) {
if (logger.isDebugEnabled()) {
logger.debug(
"Custom Collection type ["
+ original.getClass().getName()
+ "] does not allow for creating a copy - injecting original Collection as-is");
}
return original;
}
boolean originalAllowed = requiredType.isInstance(original);
TypeDescriptor elementType = typeDescriptor.getElementTypeDescriptor();
if (elementType == null
&& originalAllowed
&& !this.propertyEditorRegistry.hasCustomEditorForElement(null, propertyName)) {
return original;
}
Iterator<?> it;
try {
it = original.iterator();
if (it == null) {
if (logger.isDebugEnabled()) {
logger.debug(
"Collection of type ["
+ original.getClass().getName()
+ "] returned null Iterator - injecting original Collection as-is");
}
return original;
}
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Cannot access Collection of type ["
+ original.getClass().getName()
+ "] - injecting original Collection as-is: "
+ ex);
}
return original;
}
Collection<Object> convertedCopy;
try {
if (approximable) {
convertedCopy = CollectionFactory.createApproximateCollection(original, original.size());
} else {
convertedCopy =
(Collection<Object>) ReflectionUtils.accessibleConstructor(requiredType).newInstance();
}
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Cannot create copy of Collection type ["
+ original.getClass().getName()
+ "] - injecting original Collection as-is: "
+ ex);
}
return original;
}
int i = 0;
for (; it.hasNext(); i++) {
Object element = it.next();
String indexedPropertyName = buildIndexedPropertyName(propertyName, i);
Object convertedElement =
convertIfNecessary(
indexedPropertyName,
null,
element,
(elementType != null ? elementType.getType() : null),
elementType);
try {
convertedCopy.add(convertedElement);
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Collection type ["
+ original.getClass().getName()
+ "] seems to be read-only - injecting original Collection as-is: "
+ ex);
}
return original;
}
originalAllowed = originalAllowed && (element == convertedElement);
}
return (originalAllowed ? original : convertedCopy);
}
