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org.apache.cxf.jaxrs.utils.InjectionUtils Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.jaxrs.utils;
import java.lang.annotation.Annotation;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Proxy;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.lang.reflect.WildcardType;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.logging.Logger;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.ClientErrorException;
import javax.ws.rs.InternalServerErrorException;
import javax.ws.rs.NotFoundException;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.GenericEntity;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.PathSegment;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.SecurityContext;
import javax.ws.rs.core.UriInfo;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.ParamConverter;
import javax.ws.rs.ext.Providers;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.common.i18n.BundleUtils;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.ClassHelper;
import org.apache.cxf.common.util.PrimitiveUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.jaxrs.ext.ProtocolHeaders;
import org.apache.cxf.jaxrs.impl.MetadataMap;
import org.apache.cxf.jaxrs.impl.PathSegmentImpl;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalContextResolver;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalHttpHeaders;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalInvocationHandler;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalMessageContext;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalProtocolHeaders;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalProviders;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalProxy;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalRequest;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalSecurityContext;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalUriInfo;
import org.apache.cxf.jaxrs.model.AbstractResourceInfo;
import org.apache.cxf.jaxrs.model.Parameter;
import org.apache.cxf.jaxrs.model.ParameterType;
import org.apache.cxf.jaxrs.provider.ProviderFactory;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageUtils;
public final class InjectionUtils {
private static final Logger LOG = LogUtils.getL7dLogger(InjectionUtils.class);
private static final ResourceBundle BUNDLE = BundleUtils.getBundle(InjectionUtils.class);
private static final String SERVLET_CONFIG_CLASS_NAME = "javax.servlet.ServletConfig";
private static final String SERVLET_CONTEXT_CLASS_NAME = "javax.servlet.ServletContext";
private static final String HTTP_SERVLET_REQUEST_CLASS_NAME = "javax.servlet.http.HttpServletRequest";
private static final String HTTP_SERVLET_RESPONSE_CLASS_NAME = "javax.servlet.http.HttpServletResponse";
private static final String PARAM_HANDLERS_FIRST = "check.parameter.handlers.first";
private static final String IGNORE_MATRIX_PARAMETERS = "ignore.matrix.parameters";
private InjectionUtils() {
}
public static boolean isConcreteClass(Class cls) {
return !cls.isInterface() && !Modifier.isAbstract(cls.getModifiers());
}
public static Type getSuperType(Class serviceClass, TypeVariable var) {
int pos = 0;
TypeVariable[] vars = var.getGenericDeclaration().getTypeParameters();
for (; pos < vars.length; pos++) {
if (vars[pos].getName().equals(var.getName())) {
break;
}
}
Type[] bounds = var.getBounds();
int boundPos = bounds.length > pos ? pos : 0;
if (bounds.length > boundPos && bounds[boundPos] != Object.class) {
return bounds[boundPos];
}
Type genericSubtype = serviceClass.getGenericSuperclass();
if (genericSubtype == Object.class) {
Type[] genInterfaces = serviceClass.getGenericInterfaces();
for (Type t : genInterfaces) {
genericSubtype = t;
break;
}
}
Type result = genericSubtype != Object.class ? InjectionUtils.getActualType(genericSubtype, pos)
: genericSubtype;
return result == null ? Object.class : result;
}
public static Method checkProxy(Method methodToInvoke, Object resourceObject) {
if (Proxy.class.isInstance(resourceObject)) {
for (Class c : resourceObject.getClass().getInterfaces()) {
try {
Method m = c.getMethod(
methodToInvoke.getName(), methodToInvoke.getParameterTypes());
if (m != null) {
return m;
}
} catch (NoSuchMethodException ex) {
//ignore
}
}
}
return methodToInvoke;
}
public static void injectFieldValue(final Field f,
final Object o,
final Object v) {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
try {
f.setAccessible(true);
f.set(o, v);
} catch (IllegalAccessException ex) {
reportServerError("FIELD_ACCESS_FAILURE",
f.getType().getName());
}
return null;
}
});
}
public static Object extractFieldValue(final Field f,
final Object o) {
return AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
try {
f.setAccessible(true);
return f.get(o);
} catch (IllegalAccessException ex) {
reportServerError("FIELD_ACCESS_FAILURE",
f.getType().getName());
}
return null;
}
});
}
public static Class getActualType(Type genericType) {
return getActualType(genericType, 0);
}
public static Class getActualType(Type genericType, int pos) {
if (genericType == null) {
return null;
}
if (!ParameterizedType.class.isAssignableFrom(genericType.getClass())) {
if (genericType instanceof TypeVariable) {
genericType = getType(((TypeVariable)genericType).getBounds(), pos);
} else if (genericType instanceof WildcardType) {
WildcardType wildcardType = (WildcardType)genericType;
Type[] bounds = wildcardType.getLowerBounds();
if (bounds.length == 0) {
bounds = wildcardType.getUpperBounds();
}
genericType = getType(bounds, pos);
} else if (genericType instanceof GenericArrayType) {
genericType = ((GenericArrayType)genericType).getGenericComponentType();
}
Class cls = (Class)genericType;
return cls.isArray() ? cls.getComponentType() : cls;
}
ParameterizedType paramType = (ParameterizedType)genericType;
Type t = getType(paramType.getActualTypeArguments(), pos);
return t instanceof Class ? (Class)t : getActualType(t, pos);
}
public static Type getType(Type[] types, int pos) {
if (pos >= types.length) {
throw new RuntimeException("No type can be found at position " + pos);
}
return types[pos];
}
public static Class getRawType(Type genericType) {
if (genericType instanceof Class) {
return (Class) genericType;
} else if (genericType instanceof ParameterizedType) {
ParameterizedType paramType = (ParameterizedType)genericType;
Type t = paramType.getRawType();
if (t instanceof Class) {
return (Class)t;
}
} else if (genericType instanceof GenericArrayType) {
return getRawType(((GenericArrayType)genericType).getGenericComponentType());
}
return null;
}
public static Type[] getActualTypes(Type genericType) {
if (genericType == null
|| !ParameterizedType.class.isAssignableFrom(genericType.getClass())) {
return null;
}
ParameterizedType paramType = (ParameterizedType)genericType;
return paramType.getActualTypeArguments();
}
public static void injectThroughMethod(Object requestObject,
Method method,
Object parameterValue) {
injectThroughMethod(requestObject, method, parameterValue, null);
}
public static void injectThroughMethod(Object requestObject,
Method method,
Object parameterValue,
Message inMessage) {
try {
Method methodToInvoke = checkProxy(method, requestObject);
methodToInvoke.invoke(requestObject, new Object[]{parameterValue});
} catch (IllegalAccessException ex) {
reportServerError("METHOD_ACCESS_FAILURE", method.getName());
} catch (InvocationTargetException ex) {
Response r = JAXRSUtils.convertFaultToResponse(ex.getCause(), inMessage);
if (r != null) {
inMessage.getExchange().put(Response.class, r);
throw new InternalServerErrorException();
}
reportServerError("METHOD_ACCESS_FAILURE", method.getName());
} catch (Exception ex) {
reportServerError("METHOD_INJECTION_FAILURE", method.getName());
}
}
public static Object extractFromMethod(Object requestObject,
Method method) {
try {
Method methodToInvoke = checkProxy(method, requestObject);
return methodToInvoke.invoke(requestObject);
} catch (IllegalAccessException ex) {
reportServerError("METHOD_ACCESS_FAILURE", method.getName());
} catch (Exception ex) {
reportServerError("METHOD_INJECTION_FAILURE", method.getName());
}
return null;
}
public static T handleParameter(String value,
boolean decoded,
Class pClass,
Annotation[] paramAnns,
ParameterType pType,
Message message) {
if (value == null) {
return null;
}
if (pType == ParameterType.PATH) {
if (PathSegment.class.isAssignableFrom(pClass)) {
return pClass.cast(new PathSegmentImpl(value, decoded));
} else if (!MessageUtils.isTrue(
message.getContextualProperty(IGNORE_MATRIX_PARAMETERS))) {
value = new PathSegmentImpl(value, false).getPath();
}
}
value = decodeValue(value, decoded, pType);
if (pClass.isPrimitive()) {
try {
@SuppressWarnings("unchecked")
T ret = (T)PrimitiveUtils.read(value, pClass);
// cannot us pClass.cast as the pClass is something like
// Boolean.TYPE (representing the boolean primitive) and
// the object is a Boolean object
return ret;
} catch (NumberFormatException nfe) {
//
// For path, query & matrix parameters this is 404,
// for others 400...
//
if (pType == ParameterType.PATH || pType == ParameterType.QUERY
|| pType == ParameterType.MATRIX) {
throw new NotFoundException(nfe);
}
throw new BadRequestException(nfe);
}
}
boolean adapterHasToBeUsed = false;
Class cls = pClass;
Class valueType = JAXBUtils.getValueTypeFromAdapter(pClass, pClass, paramAnns);
if (valueType != cls) {
cls = valueType;
adapterHasToBeUsed = true;
}
Object result = instantiateFromParameterHandler(value, cls, message);
if (result != null) {
return pClass.cast(result);
}
// check constructors accepting a single String value
try {
Constructor c = cls.getConstructor(new Class[]{String.class});
result = c.newInstance(new Object[]{value});
} catch (NoSuchMethodException ex) {
// try valueOf
} catch (WebApplicationException ex) {
throw ex;
} catch (Exception ex) {
result = createFromParameterHandler(value, cls, message);
if (result == null) {
LOG.severe(new org.apache.cxf.common.i18n.Message("CLASS_CONSTRUCTOR_FAILURE",
BUNDLE,
pClass.getName()).toString());
throw new ClientErrorException(HttpUtils.getParameterFailureStatus(pType), ex);
}
}
if (result == null) {
// check for valueOf(String) static methods
String[] methodNames = cls.isEnum()
? new String[] {"fromString", "fromValue", "valueOf"}
: new String[] {"valueOf", "fromString"};
for (String mName : methodNames) {
result = evaluateFactoryMethod(value, cls, pType, mName);
if (result != null) {
break;
}
}
}
if (result == null) {
result = createFromParameterHandler(value, cls, message);
}
if (adapterHasToBeUsed) {
// as the last resort, try XmlJavaTypeAdapters
Object valueToReplace = result != null ? result : value;
try {
result = JAXBUtils.convertWithAdapter(valueToReplace, pClass, paramAnns);
} catch (Throwable ex) {
result = null;
}
}
if (result == null) {
reportServerError("WRONG_PARAMETER_TYPE", pClass.getName());
}
return pClass.cast(result);
}
private static T instantiateFromParameterHandler(String value,
Class pClass,
Message m) {
if (Date.class == pClass || Locale.class == pClass
|| m != null && MessageUtils.isTrue(m.getContextualProperty(PARAM_HANDLERS_FIRST))) {
return createFromParameterHandler(value, pClass, m);
} else {
return null;
}
}
private static T createFromParameterHandler(String value,
Class pClass,
Message message) {
T result = null;
if (message != null) {
ParamConverter pm = ProviderFactory.getInstance(message)
.createParameterHandler(pClass);
if (pm != null) {
result = pm.fromString(value);
}
}
return result;
}
public static void reportServerError(String messageName, String parameter) {
org.apache.cxf.common.i18n.Message errorMessage =
new org.apache.cxf.common.i18n.Message(messageName,
BUNDLE,
parameter);
LOG.severe(errorMessage.toString());
Response r = Response.status(Response.Status.INTERNAL_SERVER_ERROR)
.type(MediaType.TEXT_PLAIN_TYPE)
.entity(errorMessage.toString()).build();
throw new InternalServerErrorException(r);
}
private static T evaluateFactoryMethod(String value,
Class pClass,
ParameterType pType,
String methodName) {
try {
Method m = pClass.getMethod(methodName, new Class[]{String.class});
if (Modifier.isStatic(m.getModifiers())) {
return pClass.cast(m.invoke(null, new Object[]{value}));
}
} catch (NoSuchMethodException ex) {
// no luck
} catch (Exception ex) {
Throwable t = ex instanceof InvocationTargetException
? ((InvocationTargetException)ex).getTargetException() : ex;
LOG.severe(new org.apache.cxf.common.i18n.Message("CLASS_VALUE_OF_FAILURE",
BUNDLE,
pClass.getName()).toString());
throw new WebApplicationException(t, HttpUtils.getParameterFailureStatus(pType));
}
return null;
}
public static Object handleBean(Class paramType, Annotation[] paramAnns,
MultivaluedMap values,
ParameterType pType, Message message, boolean decoded) {
Object bean = null;
try {
if (paramType.isInterface()) {
paramType = org.apache.cxf.jaxrs.utils.JAXBUtils.getValueTypeFromAdapter(paramType,
paramType,
paramAnns);
}
bean = paramType.newInstance();
} catch (IllegalAccessException ex) {
reportServerError("CLASS_ACCESS_FAILURE", paramType.getName());
} catch (Exception ex) {
reportServerError("CLASS_INSTANTIATION_FAILURE", paramType.getName());
}
Map> parsedValues =
new HashMap>();
for (Map.Entry> entry : values.entrySet()) {
String memberKey = entry.getKey();
String beanKey = null;
int idx = memberKey.indexOf('.');
if (idx == -1) {
beanKey = "." + memberKey;
} else {
beanKey = memberKey.substring(0, idx);
memberKey = memberKey.substring(idx + 1);
}
MultivaluedMap value = parsedValues.get(beanKey);
if (value == null) {
value = new MetadataMap();
parsedValues.put(beanKey, value);
}
value.put(memberKey, entry.getValue());
}
if (parsedValues.size() > 0) {
for (Map.Entry> entry : parsedValues.entrySet()) {
String memberKey = entry.getKey();
boolean isbean = !memberKey.startsWith(".");
if (!isbean) {
memberKey = memberKey.substring(1);
}
Object setter = null;
Object getter = null;
for (Method m : paramType.getMethods()) {
if (m.getName().equalsIgnoreCase("set" + memberKey)
&& m.getParameterTypes().length == 1) {
setter = m;
} else if (m.getName().equalsIgnoreCase("get" + memberKey)
|| isBooleanType(m.getReturnType())
&& m.getName().equalsIgnoreCase("is" + memberKey)) {
getter = m;
}
if (setter != null && getter != null) {
break;
}
}
if (setter == null) {
for (Field f : paramType.getFields()) {
if (f.getName().equalsIgnoreCase(memberKey)) {
setter = f;
getter = f;
break;
}
}
}
if (setter != null && getter != null) {
Class type = null;
Type genericType = null;
Object paramValue = null;
if (setter instanceof Method) {
type = Method.class.cast(setter).getParameterTypes()[0];
genericType = Method.class.cast(setter).getGenericParameterTypes()[0];
paramValue = InjectionUtils.extractFromMethod(bean, (Method) getter);
} else {
type = Field.class.cast(setter).getType();
genericType = Field.class.cast(setter).getGenericType();
paramValue = InjectionUtils.extractFieldValue((Field) getter, bean);
}
List> processedValuesList =
processValues(type, genericType, entry.getValue(), isbean);
for (MultivaluedMap processedValues : processedValuesList) {
if (InjectionUtils.isSupportedCollectionOrArray(type)) {
Object appendValue = InjectionUtils.injectIntoCollectionOrArray(type,
genericType, paramAnns, processedValues,
isbean, true,
pType, message);
paramValue = InjectionUtils.mergeCollectionsOrArrays(paramValue, appendValue,
genericType);
} else if (isSupportedMap(genericType)) {
Object appendValue = InjectionUtils.injectIntoMap(
type, genericType, paramAnns, processedValues, true, pType, message);
paramValue = InjectionUtils.mergeMap(paramValue, appendValue, genericType);
} else if (isbean) {
paramValue = InjectionUtils.handleBean(type, paramAnns, processedValues,
pType, message, decoded);
} else {
paramValue = InjectionUtils.handleParameter(
processedValues.values().iterator().next().get(0),
decoded, type, paramAnns, pType, message);
}
if (paramValue != null) {
if (setter instanceof Method) {
InjectionUtils.injectThroughMethod(bean, (Method) setter, paramValue);
} else {
InjectionUtils.injectFieldValue((Field) setter, bean, paramValue);
}
}
}
}
}
}
return bean;
}
@SuppressWarnings("unchecked")
private static Object mergeMap(Object first, Object second, Type genericType) {
if (first == null) {
return second;
} else if (first instanceof Map) {
Map.class.cast(first).putAll((Map) second);
return first;
}
return null;
}
// CHECKSTYLE:OFF
private static Object injectIntoMap(Class rawType, Type genericType,
Annotation[] paramAnns,
MultivaluedMap processedValues,
boolean decoded,
ParameterType pathParam, Message message) {
// CHECKSTYLE:ON
ParameterizedType paramType = (ParameterizedType) genericType;
Class keyType = (Class)paramType.getActualTypeArguments()[0];
Type secondType = InjectionUtils.getType(paramType.getActualTypeArguments(), 1);
if (secondType instanceof ParameterizedType) {
MultivaluedMap theValues = new MetadataMap();
ParameterizedType valueParamType = (ParameterizedType) secondType;
Class valueType = (Class) InjectionUtils.getType(valueParamType
.getActualTypeArguments(), 0);
for (Map.Entry> processedValuesEntry : processedValues.entrySet()) {
List valuesList = processedValuesEntry.getValue();
for (String value : valuesList) {
Object o = InjectionUtils.handleParameter(value,
decoded, valueType, paramAnns, pathParam, message);
theValues.add(convertStringToPrimitive(processedValuesEntry.getKey(), keyType), o);
}
}
return theValues;
} else {
Map theValues = new HashMap();
Class valueType =
(Class) InjectionUtils.getType(paramType.getActualTypeArguments(), 1);
for (Map.Entry> processedValuesEntry : processedValues.entrySet()) {
List valuesList = processedValuesEntry.getValue();
for (String value : valuesList) {
Object o = InjectionUtils.handleParameter(value,
decoded, valueType, paramAnns, pathParam, message);
theValues.put(
convertStringToPrimitive(processedValuesEntry.getKey(), keyType),
o);
}
}
return theValues;
}
}
private static boolean isSupportedMap(Type genericType) {
Class rawType = getRawType(genericType);
if (Map.class.isAssignableFrom(rawType) && genericType instanceof ParameterizedType) {
ParameterizedType paramType = (ParameterizedType) genericType;
if (paramType.getActualTypeArguments().length == 2) {
Class firstType = getRawType(getType(paramType.getActualTypeArguments(), 0));
Type secondType = getType(paramType.getActualTypeArguments(), 1);
Class secondRawType = getRawType(secondType);
return InjectionUtils.isPrimitive(firstType)
&& (InjectionUtils.isPrimitive(secondRawType)
|| allowedMapListValue(secondRawType, secondType));
}
}
return false;
}
private static boolean allowedMapListValue(Class cls, Type type) {
if (List.class.isAssignableFrom(cls)) {
Class listtype = getRawType(
getType(((ParameterizedType)type).getActualTypeArguments(), 0));
return InjectionUtils.isPrimitive(listtype);
}
return false;
}
private static List> processValues(Class type, Type genericType,
MultivaluedMap values,
boolean isbean) {
List> valuesList =
new ArrayList>();
if (isbean && InjectionUtils.isSupportedCollectionOrArray(type)) {
Class realType = InjectionUtils.getActualType(genericType);
for (Map.Entry> entry : values.entrySet()) {
String memberKey = entry.getKey();
Class memberType = null;
for (Method m : realType.getMethods()) {
if (m.getName().equalsIgnoreCase("set" + memberKey)
&& m.getParameterTypes().length == 1) {
memberType = m.getParameterTypes()[0];
break;
}
}
if (memberType == null) {
for (Field f : realType.getFields()) {
if (f.getName().equalsIgnoreCase(memberKey)) {
memberType = f.getType();
break;
}
}
}
// Strip values tied to collection/array fields from beans that are within
// collection/array themselves, the only way to support this would be to have
// an indexing syntax for nested beans, perhaps like this:
// a(0).b=1&a(0).b=2&a(1).b=3&a(1).b=4
// For now though we simply don't support this capability. To illustrate, the 'c'
// param is dropped from this multivaluedmap example since it is a list:
// {c=[71, 81, 91, 72, 82, 92], a=[C1, C2], b=[790, 791]}
if (memberType != null && InjectionUtils.isSupportedCollectionOrArray(memberType)) {
continue;
}
// Split multivaluedmap value list contents into separate multivaluedmap instances
// whose list contents are only 1 level deep, for example:
// {a=[C1, C2], b=[790, 791]}
// becomes these 2 separate multivaluedmap instances:
// {a=[C1], b=[790]} and {a=[C2], b=[791]}
int idx = 0;
for (String value : entry.getValue()) {
MultivaluedMap splitValues =
(idx < valuesList.size()) ? valuesList.get(idx) : null;
if (splitValues == null) {
splitValues = new MetadataMap();
valuesList.add(splitValues);
}
splitValues.add(memberKey, value);
idx++;
}
}
} else {
valuesList.add(values);
}
return valuesList;
}
public static boolean isSupportedCollectionOrArray(Class type) {
return Collection.class.isAssignableFrom(type) || type.isArray();
}
@SuppressWarnings("unchecked")
private static Object mergeCollectionsOrArrays(Object first, Object second, Type genericType) {
if (first == null) {
return second;
} else if (first instanceof Collection) {
Collection.class.cast(first).addAll((Collection) second);
return first;
} else {
int firstLen = Array.getLength(first);
int secondLen = Array.getLength(second);
Object mergedArray = Array.newInstance(InjectionUtils.getActualType(genericType),
firstLen + secondLen);
System.arraycopy(first, 0, mergedArray, 0, firstLen);
System.arraycopy(second, 0, mergedArray, firstLen, secondLen);
return mergedArray;
}
}
static Class getCollectionType(Class rawType) {
Class type = null;
if (SortedSet.class.isAssignableFrom(rawType)) {
type = TreeSet.class;
} else if (Set.class.isAssignableFrom(rawType)) {
type = HashSet.class;
} else if (Collection.class.isAssignableFrom(rawType)) {
type = ArrayList.class;
}
return type;
}
//CHECKSTYLE:OFF
private static Object injectIntoCollectionOrArray(Class rawType,
Type genericType,
Annotation[] paramAnns,
MultivaluedMap values,
boolean isbean, boolean decoded,
ParameterType pathParam, Message message) {
//CHECKSTYLE:ON
Class type = getCollectionType(rawType);
Class realType = rawType.isArray() ? rawType.getComponentType()
: InjectionUtils.getActualType(genericType);
Object theValues = null;
if (type != null) {
try {
theValues = type.newInstance();
} catch (IllegalAccessException ex) {
reportServerError("CLASS_ACCESS_FAILURE", type.getName());
} catch (Exception ex) {
reportServerError("CLASS_INSTANTIATION_FAILURE", type.getName());
}
} else {
theValues = Array.newInstance(realType, isbean ? 1 : values.values().iterator().next().size());
}
if (isbean) {
Object o = InjectionUtils.handleBean(realType, paramAnns, values, pathParam, message, decoded);
addToCollectionValues(theValues, o, 0);
} else {
List valuesList = values.values().iterator().next();
valuesList = checkPathSegment(valuesList, realType, pathParam);
for (int ind = 0; ind < valuesList.size(); ind++) {
Object o = InjectionUtils.handleParameter(valuesList.get(ind), decoded,
realType, paramAnns, pathParam, message);
addToCollectionValues(theValues, o, ind);
}
}
return theValues;
}
@SuppressWarnings("unchecked")
private static void addToCollectionValues(Object theValues, Object o, int index) {
if (o != null) {
if (theValues instanceof Collection) {
Collection.class.cast(theValues).add(o);
} else if (theValues.getClass().getComponentType().isPrimitive()) {
Array.set(theValues, index, o);
} else {
((Object[]) theValues)[index] = o;
}
}
}
private static List checkPathSegment(List values, Class type,
ParameterType pathParam) {
if (pathParam != ParameterType.PATH || !PathSegment.class.isAssignableFrom(type)) {
return values;
}
List newValues = new ArrayList();
for (String v : values) {
String[] segments = StringUtils.split(v, "/");
for (String s : segments) {
if (s.length() != 0) {
newValues.add(s);
}
}
if (v.endsWith("/")) {
newValues.add("");
}
}
return newValues;
}
//
//CHECKSTYLE:OFF
public static Object createParameterObject(List paramValues,
Class paramType,
Type genericType,
Annotation[] paramAnns,
String defaultValue,
boolean decoded,
ParameterType pathParam,
Message message) {
//CHECKSTYLE:ON
if (paramValues == null) {
if (defaultValue != null) {
paramValues = Collections.singletonList(defaultValue);
} else {
if (paramType.isPrimitive()) {
paramValues = Collections.singletonList(
boolean.class == paramType ? "false" : "0");
} else if (InjectionUtils.isSupportedCollectionOrArray(paramType)) {
paramValues = Collections.emptyList();
} else {
return null;
}
}
}
Object value = null;
if (InjectionUtils.isSupportedCollectionOrArray(paramType)) {
MultivaluedMap paramValuesMap = new MetadataMap();
paramValuesMap.put("", paramValues);
value = InjectionUtils.injectIntoCollectionOrArray(paramType, genericType, paramAnns,
paramValuesMap, false, decoded, pathParam, message);
} else {
String result = null;
if (paramValues.size() > 0) {
boolean isLast = pathParam == ParameterType.PATH ? true : false;
result = isLast ? paramValues.get(paramValues.size() - 1)
: paramValues.get(0);
}
if (result != null) {
value = InjectionUtils.handleParameter(result, decoded, paramType,
paramAnns, pathParam, message);
}
}
return value;
}
// TODO : investigate the possibility of using generic proxies only
@SuppressWarnings("unchecked")
public static ThreadLocalProxy createThreadLocalProxy(Class type) {
ThreadLocalProxy proxy = null;
if (UriInfo.class.isAssignableFrom(type)) {
proxy = new ThreadLocalUriInfo();
} else if (HttpHeaders.class.isAssignableFrom(type)) {
proxy = new ThreadLocalHttpHeaders();
} else if (ProtocolHeaders.class.isAssignableFrom(type)) {
proxy = new ThreadLocalProtocolHeaders();
} else if (SecurityContext.class.isAssignableFrom(type)) {
proxy = new ThreadLocalSecurityContext();
} else if (ContextResolver.class.isAssignableFrom(type)) {
proxy = new ThreadLocalContextResolver();
} else if (Request.class.isAssignableFrom(type)) {
proxy = new ThreadLocalRequest();
} else if (Providers.class.isAssignableFrom(type)) {
proxy = new ThreadLocalProviders();
} else if (MessageContext.class.isAssignableFrom(type)) {
proxy = new ThreadLocalMessageContext();
}
if (proxy == null && isServletApiContext(type.getName())) {
proxy = createThreadLocalServletApiContext(type.getName());
}
if (proxy == null) {
return (ThreadLocalProxy)Proxy.newProxyInstance(type.getClassLoader(),
new Class[] {type, ThreadLocalProxy.class },
new ThreadLocalInvocationHandler());
}
return (ThreadLocalProxy)proxy;
}
private static boolean isServletApiContext(String name) {
return name.startsWith("javax.servlet.");
}
private static ThreadLocalProxy createThreadLocalServletApiContext(String name) {
String proxyClassName = null;
if (HTTP_SERVLET_REQUEST_CLASS_NAME.equals(name)) {
proxyClassName = "org.apache.cxf.jaxrs.impl.tl.ThreadLocalHttpServletRequest";
} else if (HTTP_SERVLET_RESPONSE_CLASS_NAME.equals(name)) {
proxyClassName = "org.apache.cxf.jaxrs.impl.tl.ThreadLocalHttpServletResponse";
} else if (SERVLET_CONTEXT_CLASS_NAME.equals(name)) {
proxyClassName = "org.apache.cxf.jaxrs.impl.tl.ThreadLocalServletContext";
} else if (SERVLET_CONFIG_CLASS_NAME.equals(name)) {
proxyClassName = "org.apache.cxf.jaxrs.impl.tl.ThreadLocalServletConfig";
}
try {
return (ThreadLocalProxy)ClassLoaderUtils.loadClass(proxyClassName, InjectionUtils.class)
.newInstance();
} catch (Throwable t) {
throw new RuntimeException(t);
}
}
public static void injectContextProxiesAndApplication(AbstractResourceInfo cri,
Object instance,
Application app) {
if (!cri.contextsAvailable() || !cri.isSingleton()) {
return;
}
for (Map.Entry, Method> entry : cri.getContextMethods().entrySet()) {
Method method = entry.getValue();
Object value = method.getParameterTypes()[0] == Application.class
? app : cri.getContextSetterProxy(method);
InjectionUtils.injectThroughMethod(instance, method, value);
}
for (Field f : cri.getContextFields()) {
Object value = f.getType() == Application.class ? app : cri.getContextFieldProxy(f);
InjectionUtils.injectFieldValue(f, instance, value);
}
}
public static void injectContextProxies(AbstractResourceInfo cri, Object instance) {
injectContextProxiesAndApplication(cri, instance, null);
}
@SuppressWarnings("unchecked")
public static void injectContextField(AbstractResourceInfo cri,
Field f, Object o, Object value) {
if (!cri.isSingleton()) {
InjectionUtils.injectFieldValue(f, o, value);
} else {
ThreadLocalProxy proxy = (ThreadLocalProxy)cri.getContextFieldProxy(f);
if (proxy != null) {
proxy.set(value);
}
}
}
public static void injectContexts(Object requestObject,
AbstractResourceInfo resource,
Message message) {
if (resource.contextsAvailable()) {
injectContextMethods(requestObject, resource, message);
injectContextFields(requestObject, resource, message);
}
}
@SuppressWarnings("unchecked")
public static void injectContextMethods(Object requestObject,
AbstractResourceInfo cri,
Message message) {
for (Map.Entry, Method> entry : cri.getContextMethods().entrySet()) {
Method method = entry.getValue();
if (method.getParameterTypes()[0] == Application.class && cri.isSingleton()) {
continue;
}
Object o = JAXRSUtils.createContextValue(message,
method.getGenericParameterTypes()[0],
entry.getKey());
if (o != null) {
if (!cri.isSingleton()) {
InjectionUtils.injectThroughMethod(requestObject, method, o, message);
} else {
ThreadLocalProxy proxy
= (ThreadLocalProxy)cri.getContextSetterProxy(method);
if (proxy != null) {
proxy.set(o);
}
}
}
}
}
public static void injectContextFields(Object o,
AbstractResourceInfo cri,
Message m) {
for (Field f : cri.getContextFields()) {
if (f.getType() == Application.class && cri.isSingleton()) {
continue;
}
Object value = JAXRSUtils.createContextValue(m, f.getGenericType(), f.getType());
InjectionUtils.injectContextField(cri, f, o, value);
}
}
public static MultivaluedMap extractValuesFromBean(Object bean, String baseName) {
MultivaluedMap values = new MetadataMap();
fillInValuesFromBean(bean, baseName, values);
return values;
}
private static boolean isBooleanType(Class cls) {
return boolean.class == cls || Boolean.class == cls;
}
public static void fillInValuesFromBean(Object bean, String baseName,
MultivaluedMap values) {
for (Method m : bean.getClass().getMethods()) {
String methodName = m.getName();
boolean startsFromGet = methodName.startsWith("get");
if ((startsFromGet
|| isBooleanType(m.getReturnType()) && methodName.startsWith("is"))
&& m.getParameterTypes().length == 0) {
int minLen = startsFromGet ? 3 : 2;
if (methodName.length() <= minLen) {
continue;
}
String propertyName = methodName.substring(minLen);
if (propertyName.length() == 1) {
propertyName = propertyName.toLowerCase();
} else {
propertyName = propertyName.substring(0, 1).toLowerCase()
+ propertyName.substring(1);
}
if (baseName.contains(propertyName)
|| "class".equals(propertyName)
|| "declaringClass".equals(propertyName)) {
continue;
}
if (!"".equals(baseName)) {
propertyName = baseName + "." + propertyName;
}
Object value = extractFromMethod(bean, m);
if (value == null) {
continue;
}
if (isPrimitive(value.getClass())) {
values.putSingle(propertyName, value);
} else if (value.getClass().isEnum()) {
values.putSingle(propertyName, value.toString());
} else if (isSupportedCollectionOrArray(value.getClass())) {
List theValues = null;
if (value.getClass().isArray()) {
theValues = Arrays.asList(value);
} else if (value instanceof Set) {
theValues = new ArrayList((Set)value);
} else {
theValues = CastUtils.cast((List)value);
}
values.put(propertyName, theValues);
} else if (Map.class.isAssignableFrom(value.getClass())) {
if (isSupportedMap(m.getGenericReturnType())) {
Map map = CastUtils.cast((Map)value);
for (Map.Entry entry : map.entrySet()) {
values.add(propertyName + "." + entry.getKey().toString(),
entry.getValue().toString());
}
}
} else {
fillInValuesFromBean(value, propertyName, values);
}
}
}
}
public static Map> getParametersFromBeanClass(Class beanClass,
ParameterType type,
boolean checkIgnorable) {
Map> params = new LinkedHashMap>();
for (Method m : beanClass.getMethods()) {
String methodName = m.getName();
boolean startsFromGet = methodName.startsWith("get");
if ((startsFromGet
|| isBooleanType(m.getReturnType()) && methodName.startsWith("is"))
&& m.getParameterTypes().length == 0) {
int minLen = startsFromGet ? 3 : 2;
if (methodName.length() <= minLen) {
continue;
}
String propertyName = methodName.substring(minLen).toLowerCase();
if (m.getReturnType() == Class.class
|| checkIgnorable && canPropertyBeIgnored(m, propertyName)) {
continue;
}
params.put(new Parameter(type, propertyName), m.getReturnType());
}
}
return params;
}
private static boolean canPropertyBeIgnored(Method m, String propertyName) {
for (Annotation ann : m.getAnnotations()) {
String annType = ann.annotationType().getName();
if ("org.apache.cxf.aegis.type.java5.IgnoreProperty".equals(annType)
|| "javax.xml.bind.annotation.XmlTransient".equals(annType)) {
return true;
}
}
return false;
}
public static boolean isPrimitive(Class type) {
return type.isPrimitive()
|| Number.class.isAssignableFrom(type)
|| Boolean.class.isAssignableFrom(type)
|| Character.class.isAssignableFrom(type)
|| String.class == type;
}
public static String decodeValue(String value, boolean decode, ParameterType param) {
if (!decode) {
return value;
}
if (param == ParameterType.PATH || param == ParameterType.MATRIX) {
return HttpUtils.pathDecode(value);
} else {
return HttpUtils.urlDecode(value);
}
}
public static void invokeLifeCycleMethod(Object instance, Method method) {
if (method != null) {
method = InjectionUtils.checkProxy(method, instance);
try {
method.invoke(instance, new Object[]{});
} catch (InvocationTargetException ex) {
String msg = "Method " + method.getName() + " can not be invoked"
+ " due to InvocationTargetException";
throw new WebApplicationException(Response.serverError().entity(msg).build());
} catch (IllegalAccessException ex) {
String msg = "Method " + method.getName() + " can not be invoked"
+ " due to IllegalAccessException";
throw new InternalServerErrorException(Response.serverError().entity(msg).build());
}
}
}
public static Object convertStringToPrimitive(String value, Class cls) {
if (String.class == cls) {
return value;
}
if (cls.isPrimitive()) {
return PrimitiveUtils.read(value, cls);
} else if (cls.isEnum()) {
try {
Method m = cls.getMethod("valueOf", new Class[]{String.class});
return m.invoke(null, value.toUpperCase());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
} else {
try {
Constructor c = cls.getConstructor(new Class[]{String.class});
return c.newInstance(new Object[]{value});
} catch (Throwable ex) {
// try valueOf
}
try {
Method m = cls.getMethod("valueOf", new Class[]{String.class});
return cls.cast(m.invoke(null, value));
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}
public static Class getRawResponseClass(Object targetObject) {
if (targetObject != null) {
Class targetClass = targetObject.getClass();
return ClassHelper.getRealClassFromClass(targetClass);
} else {
return null;
}
}
public static Type getGenericResponseType(Method invoked,
Object targetObject,
Class targetType,
Exchange exchange) {
if (targetObject == null) {
return null;
}
Type type = null;
if (GenericEntity.class.isAssignableFrom(targetObject.getClass())) {
type = ((GenericEntity)targetObject).getType();
} else if (invoked == null
|| !invoked.getReturnType().isAssignableFrom(targetType)) {
// when a method has been invoked it is still possible that either an ExceptionMapper
// or a ResponseHandler filter overrides a response entity; if it happens then
// the Type is the class of the response object, unless this new entity is assignable
// to invoked.getReturnType(); same applies to the case when a method returns Response
type = targetObject.getClass();
} else {
type = invoked.getGenericReturnType();
if (type instanceof TypeVariable) {
type = InjectionUtils.getSuperType(invoked.getDeclaringClass(),
(TypeVariable)type);
}
}
return type;
}
public static Object getEntity(Object o) {
return o instanceof GenericEntity ? ((GenericEntity)o).getEntity() : o;
}
}
