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org.apache.cxf.jaxrs.provider.ProviderFactory 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.provider;
import java.lang.annotation.Annotation;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.lang.reflect.WildcardType;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.logging.Logger;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.ParamConverter;
import javax.ws.rs.ext.ParamConverterProvider;
import javax.ws.rs.ext.ReaderInterceptor;
import javax.ws.rs.ext.WriterInterceptor;
import org.apache.cxf.Bus;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.ClassHelper;
import org.apache.cxf.common.util.PropertyUtils;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.jaxrs.ext.ContextProvider;
import org.apache.cxf.jaxrs.impl.MetadataMap;
import org.apache.cxf.jaxrs.impl.ReaderInterceptorMBR;
import org.apache.cxf.jaxrs.impl.WriterInterceptorMBW;
import org.apache.cxf.jaxrs.impl.tl.ThreadLocalProxy;
import org.apache.cxf.jaxrs.model.AbstractResourceInfo;
import org.apache.cxf.jaxrs.model.ApplicationInfo;
import org.apache.cxf.jaxrs.model.ClassResourceInfo;
import org.apache.cxf.jaxrs.model.FilterProviderInfo;
import org.apache.cxf.jaxrs.model.ProviderInfo;
import org.apache.cxf.jaxrs.utils.AnnotationUtils;
import org.apache.cxf.jaxrs.utils.InjectionUtils;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.jaxrs.utils.ResourceUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageUtils;
public abstract class ProviderFactory {
public static final String DEFAULT_FILTER_NAME_BINDING = "org.apache.cxf.filter.binding";
public static final String PROVIDER_SELECTION_PROPERTY_CHANGED = "provider.selection.property.changed";
public static final String ACTIVE_JAXRS_PROVIDER_KEY = "active.jaxrs.provider";
protected static final String SERVER_FACTORY_NAME = "org.apache.cxf.jaxrs.provider.ServerProviderFactory";
protected static final String CLIENT_FACTORY_NAME = "org.apache.cxf.jaxrs.client.ClientProviderFactory";
protected static final String IGNORE_TYPE_VARIABLES = "org.apache.cxf.jaxrs.providers.ignore.typevars";
private static final Logger LOG = LogUtils.getL7dLogger(ProviderFactory.class);
private static final String JAXB_PROVIDER_NAME = "org.apache.cxf.jaxrs.provider.JAXBElementProvider";
private static final String JSON_PROVIDER_NAME = "org.apache.cxf.jaxrs.provider.json.JSONProvider";
private static final String BUS_PROVIDERS_ALL = "org.apache.cxf.jaxrs.bus.providers";
private static final String PROVIDER_CACHE_ALLOWED = "org.apache.cxf.jaxrs.provider.cache.allowed";
private static final String PROVIDER_CACHE_CHECK_ALL = "org.apache.cxf.jaxrs.provider.cache.checkAllCandidates";
protected Map> readerInterceptors =
new NameKeyMap>(true);
protected Map> writerInterceptors =
new NameKeyMap>(true);
private List>> messageReaders =
new ArrayList>>();
private List>> messageWriters =
new ArrayList>>();
private List>> contextResolvers =
new ArrayList>>(1);
private List>> contextProviders =
new ArrayList>>(1);
private List> paramConverters =
new ArrayList>(1);
private boolean paramConverterContextsAvailable;
// List of injected providers
private Collection> injectedProviders =
new HashSet>();
private Bus bus;
private Comparator providerComparator;
private ProviderCache providerCache;
protected ProviderFactory(Bus bus) {
this.bus = bus;
providerCache = initCache(bus);
}
public Bus getBus() {
return bus;
}
protected static ProviderCache initCache(Bus theBus) {
Object allowProp = theBus.getProperty(PROVIDER_CACHE_ALLOWED);
boolean allowed = allowProp == null || PropertyUtils.isTrue(allowProp);
if (!allowed) {
return null;
}
boolean checkAll = PropertyUtils.isTrue(theBus.getProperty(PROVIDER_CACHE_CHECK_ALL));
return new ProviderCache(checkAll);
}
protected static void initFactory(ProviderFactory factory) {
factory.setProviders(false,
false,
new BinaryDataProvider(),
new SourceProvider(),
new DataSourceProvider(),
new FormEncodingProvider(),
new StringTextProvider(),
new PrimitiveTextProvider(),
new JAXBElementProvider(),
new JAXBElementTypedProvider(),
new MultipartProvider());
Object prop = factory.getBus().getProperty("skip.default.json.provider.registration");
if (!PropertyUtils.isTrue(prop)) {
factory.setProviders(false, false, createProvider(JSON_PROVIDER_NAME, factory.getBus()));
}
}
protected static Object createProvider(String className, Bus bus) {
try {
Class cls = ClassLoaderUtils.loadClass(className, ProviderFactory.class);
for (Constructor c : cls.getConstructors()) {
if (c.getParameterTypes().length == 1 && c.getParameterTypes()[0] == Bus.class) {
return c.newInstance(bus);
}
}
return cls.newInstance();
} catch (Throwable ex) {
String message = "Problem with creating the default provider " + className;
if (ex.getMessage() != null) {
message += ": " + ex.getMessage();
} else {
message += ", exception class : " + ex.getClass().getName();
}
LOG.fine(message);
}
return null;
}
public abstract Configuration getConfiguration(Message message);
public ContextResolver createContextResolver(Type contextType,
Message m) {
boolean isRequestor = MessageUtils.isRequestor(m);
Message requestMessage = isRequestor ? m.getExchange().getOutMessage()
: m.getExchange().getInMessage();
Message responseMessage = isRequestor ? m.getExchange().getInMessage()
: m.getExchange().getOutMessage();
Object ctProperty = null;
if (responseMessage != null) {
ctProperty = responseMessage.get(Message.CONTENT_TYPE);
} else {
ctProperty = requestMessage.get(Message.CONTENT_TYPE);
}
MediaType mt = ctProperty != null ? JAXRSUtils.toMediaType(ctProperty.toString())
: MediaType.WILDCARD_TYPE;
return createContextResolver(contextType, m, mt);
}
@SuppressWarnings("unchecked")
public ContextResolver createContextResolver(Type contextType,
Message m,
MediaType type) {
Class contextCls = InjectionUtils.getActualType(contextType);
if (contextCls == null) {
return null;
}
List> candidates = new LinkedList>();
for (ProviderInfo> cr : contextResolvers) {
Type[] types = cr.getProvider().getClass().getGenericInterfaces();
for (Type t : types) {
if (t instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType)t;
Type[] args = pt.getActualTypeArguments();
if (args.length > 0) {
Class argCls = InjectionUtils.getActualType(args[0]);
if (argCls != null && argCls.isAssignableFrom(contextCls)) {
List mTypes = JAXRSUtils.getProduceTypes(
cr.getProvider().getClass().getAnnotation(Produces.class));
if (JAXRSUtils.intersectMimeTypes(mTypes, type).size() > 0) {
injectContextValues(cr, m);
candidates.add((ContextResolver)cr.getProvider());
}
}
}
}
}
}
if (candidates.size() == 0) {
return null;
} else if (candidates.size() == 1) {
return candidates.get(0);
} else {
Collections.sort(candidates, new ClassComparator());
return new ContextResolverProxy(candidates);
}
}
@SuppressWarnings("unchecked")
public ContextProvider createContextProvider(Type contextType,
Message m) {
Class contextCls = InjectionUtils.getActualType(contextType);
if (contextCls == null) {
return null;
}
for (ProviderInfo> cr : contextProviders) {
Type[] types = cr.getProvider().getClass().getGenericInterfaces();
for (Type t : types) {
if (t instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType)t;
Type[] args = pt.getActualTypeArguments();
if (args.length > 0) {
Class argCls = InjectionUtils.getActualType(args[0]);
if (argCls != null && argCls.isAssignableFrom(contextCls)) {
return (ContextProvider)cr.getProvider();
}
}
}
}
}
return null;
}
public ParamConverter createParameterHandler(Class paramType,
Type genericType,
Annotation[] anns,
Message m) {
anns = anns != null ? anns : new Annotation[]{};
for (ProviderInfo pi : paramConverters) {
injectContextValues(pi, m);
ParamConverter converter = pi.getProvider().getConverter(paramType, genericType, anns);
if (converter != null) {
return converter;
} else {
pi.clearThreadLocalProxies();
}
}
return null;
}
protected boolean handleMapper(ProviderInfo em,
Class expectedType,
Message m,
Class providerClass,
boolean injectContext) {
Class mapperClass = ClassHelper.getRealClass(bus, em.getProvider());
Type[] types = null;
if (m != null && MessageUtils.isTrue(m.getContextualProperty(IGNORE_TYPE_VARIABLES))) {
types = new Type[]{mapperClass};
} else {
types = getGenericInterfaces(mapperClass, expectedType);
}
for (Type t : types) {
if (t instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType)t;
Type[] args = pt.getActualTypeArguments();
for (int i = 0; i < args.length; i++) {
Type arg = args[i];
if (arg instanceof TypeVariable) {
TypeVariable var = (TypeVariable)arg;
Type[] bounds = var.getBounds();
boolean isResolved = false;
for (int j = 0; j < bounds.length; j++) {
Class cls = InjectionUtils.getRawType(bounds[j]);
if (cls != null && (cls == Object.class || cls.isAssignableFrom(expectedType))) {
isResolved = true;
break;
}
}
if (!isResolved) {
return false;
}
if (injectContext) {
injectContextValues(em, m);
}
return true;
}
Class actualClass = InjectionUtils.getRawType(arg);
if (actualClass == null) {
continue;
}
if (expectedType.isArray() && !actualClass.isArray()) {
expectedType = expectedType.getComponentType();
}
if (actualClass.isAssignableFrom(expectedType) || actualClass == Object.class) {
if (injectContext) {
injectContextValues(em, m);
}
return true;
}
}
} else if (t instanceof Class && providerClass.isAssignableFrom((Class)t)) {
if (injectContext) {
injectContextValues(em, m);
}
return true;
}
}
return false;
}
public List createMessageBodyReaderInterceptor(Class bodyType,
Type parameterType,
Annotation[] parameterAnnotations,
MediaType mediaType,
Message m,
boolean checkMbrNow,
Set names) {
MessageBodyReader mr = !checkMbrNow ? null : createMessageBodyReader(bodyType,
parameterType,
parameterAnnotations,
mediaType,
m);
int size = readerInterceptors.size();
if (mr != null || size > 0) {
ReaderInterceptor mbrReader = new ReaderInterceptorMBR(mr, m.getExchange().getInMessage());
List interceptors = null;
if (size > 0) {
interceptors = new ArrayList(size + 1);
List> readers =
getBoundFilters(readerInterceptors, names);
for (ProviderInfo p : readers) {
injectContextValues(p, m);
interceptors.add(p.getProvider());
}
interceptors.add(mbrReader);
} else {
interceptors = Collections.singletonList(mbrReader);
}
return interceptors;
} else {
return null;
}
}
public List createMessageBodyWriterInterceptor(Class bodyType,
Type parameterType,
Annotation[] parameterAnnotations,
MediaType mediaType,
Message m,
Set names) {
MessageBodyWriter mw = createMessageBodyWriter(bodyType,
parameterType,
parameterAnnotations,
mediaType,
m);
int size = writerInterceptors.size();
if (mw != null || size > 0) {
@SuppressWarnings({
"unchecked", "rawtypes"
})
WriterInterceptor mbwWriter = new WriterInterceptorMBW((MessageBodyWriter)mw, m);
List interceptors = null;
if (size > 0) {
interceptors = new ArrayList(size + 1);
List> writers =
getBoundFilters(writerInterceptors, names);
for (ProviderInfo p : writers) {
injectContextValues(p, m);
interceptors.add(p.getProvider());
}
interceptors.add(mbwWriter);
} else {
interceptors = Collections.singletonList(mbwWriter);
}
return interceptors;
} else {
return null;
}
}
@SuppressWarnings("unchecked")
public MessageBodyReader createMessageBodyReader(Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
Message m) {
// Step1: check the cache
if (providerCache != null) {
for (ProviderInfo> ep : providerCache.getReaders(type, mediaType)) {
if (isReadable(ep, type, genericType, annotations, mediaType, m)) {
return (MessageBodyReader)ep.getProvider();
}
}
}
boolean checkAll = providerCache != null && providerCache.isCheckAllCandidates();
List>> allCandidates =
checkAll ? new LinkedList>>() : null;
MessageBodyReader selectedReader = null;
for (ProviderInfo> ep : messageReaders) {
if (matchesReaderMediaTypes(ep, mediaType)
&& handleMapper(ep, type, m, MessageBodyReader.class, false)) {
// This writer matches Media Type and Class
if (checkAll) {
allCandidates.add(ep);
} else if (providerCache != null && providerCache.getReaders(type, mediaType).isEmpty()) {
providerCache.putReaders(type, mediaType, Collections.singletonList(ep));
}
if (selectedReader == null
&& isReadable(ep, type, genericType, annotations, mediaType, m)) {
// This writer is a selected candidate
selectedReader = (MessageBodyReader)ep.getProvider();
if (!checkAll) {
return selectedReader;
}
}
}
}
if (checkAll) {
providerCache.putReaders(type, mediaType, allCandidates);
}
return selectedReader;
}
@SuppressWarnings("unchecked")
public MessageBodyWriter createMessageBodyWriter(Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
Message m) {
// Step1: check the cache.
if (providerCache != null) {
for (ProviderInfo> ep : providerCache.getWriters(type, mediaType)) {
if (isWriteable(ep, type, genericType, annotations, mediaType, m)) {
return (MessageBodyWriter)ep.getProvider();
}
}
}
// Step2: check all the registered writers
// The cache, if enabled, may have been configured to keep the top candidate only
boolean checkAll = providerCache != null && providerCache.isCheckAllCandidates();
List>> allCandidates =
checkAll ? new LinkedList>>() : null;
MessageBodyWriter selectedWriter = null;
for (ProviderInfo> ep : messageWriters) {
if (matchesWriterMediaTypes(ep, mediaType)
&& handleMapper(ep, type, m, MessageBodyWriter.class, false)) {
// This writer matches Media Type and Class
if (checkAll) {
allCandidates.add(ep);
} else if (providerCache != null && providerCache.getWriters(type, mediaType).isEmpty()) {
providerCache.putWriters(type, mediaType, Collections.singletonList(ep));
}
if (selectedWriter == null
&& isWriteable(ep, type, genericType, annotations, mediaType, m)) {
// This writer is a selected candidate
selectedWriter = (MessageBodyWriter)ep.getProvider();
if (!checkAll) {
return selectedWriter;
}
}
}
}
if (checkAll) {
providerCache.putWriters(type, mediaType, allCandidates);
}
return selectedWriter;
}
protected void setBusProviders() {
List extensions = new LinkedList();
addBusExtension(extensions,
MessageBodyReader.class,
MessageBodyWriter.class,
ExceptionMapper.class);
if (!extensions.isEmpty()) {
setProviders(true, true, extensions.toArray());
}
}
private void addBusExtension(List extensions, Class... extClasses) {
for (Class extClass : extClasses) {
Object ext = bus.getProperty(extClass.getName());
if (extClass.isInstance(ext)) {
extensions.add(ext);
}
}
Object allProp = bus.getProperty(BUS_PROVIDERS_ALL);
if (allProp instanceof List) {
@SuppressWarnings("unchecked")
List all = (List)allProp;
extensions.addAll(all);
}
}
protected abstract void setProviders(boolean custom, boolean busGlobal, Object... providers);
@SuppressWarnings("unchecked")
protected void setCommonProviders(List> theProviders) {
List> readInts =
new LinkedList>();
List> writeInts =
new LinkedList>();
for (ProviderInfo provider : theProviders) {
Class providerCls = ClassHelper.getRealClass(bus, provider.getProvider());
if (MessageBodyReader.class.isAssignableFrom(providerCls)) {
addProviderToList(messageReaders, provider);
}
if (MessageBodyWriter.class.isAssignableFrom(providerCls)) {
addProviderToList(messageWriters, provider);
}
if (ContextResolver.class.isAssignableFrom(providerCls)) {
addProviderToList(contextResolvers, provider);
}
if (ContextProvider.class.isAssignableFrom(providerCls)) {
addProviderToList(contextProviders, provider);
}
if (filterContractSupported(provider, providerCls, ReaderInterceptor.class)) {
readInts.add((ProviderInfo)provider);
}
if (filterContractSupported(provider, providerCls, WriterInterceptor.class)) {
writeInts.add((ProviderInfo)provider);
}
if (ParamConverterProvider.class.isAssignableFrom(providerCls)) {
paramConverters.add((ProviderInfo)provider);
}
}
sortReaders();
sortWriters();
sortContextResolvers();
mapInterceptorFilters(readerInterceptors, readInts, ReaderInterceptor.class, true);
mapInterceptorFilters(writerInterceptors, writeInts, WriterInterceptor.class, true);
injectContextProxies(messageReaders, messageWriters, contextResolvers, paramConverters,
readerInterceptors.values(), writerInterceptors.values());
checkParamConverterContexts();
}
private void checkParamConverterContexts() {
for (ProviderInfo pi : paramConverters) {
if (pi.contextsAvailable()) {
paramConverterContextsAvailable = true;
}
}
}
public boolean isParamConverterContextsAvailable() {
return paramConverterContextsAvailable;
}
protected void injectContextValues(ProviderInfo pi, Message m) {
if (m != null) {
InjectionUtils.injectContexts(pi.getProvider(), pi, m);
}
}
protected void addProviderToList(List list, ProviderInfo provider) {
List> list2 = CastUtils.cast(list);
for (ProviderInfo pi : list2) {
if (pi.getProvider() == provider.getProvider()) {
return;
}
}
list2.add(provider);
}
protected void injectContextProxies(Collection ... providerLists) {
for (Collection list : providerLists) {
Collection> l2 = CastUtils.cast(list);
for (ProviderInfo pi : l2) {
injectContextProxiesIntoProvider(pi);
}
}
}
protected void injectContextProxiesIntoProvider(ProviderInfo pi) {
injectContextProxiesIntoProvider(pi, null);
}
void injectContextProxiesIntoProvider(ProviderInfo pi, Application app) {
if (pi.contextsAvailable()) {
InjectionUtils.injectContextProxiesAndApplication(pi, pi.getProvider(), app);
injectedProviders.add(pi);
}
}
/*
* sorts the available providers according to the media types they declare
* support for. Sorting of media types follows the general rule: x/y < * x < *,
* i.e. a provider that explicitly lists a media types is sorted before a
* provider that lists *. Quality parameter values are also used such that
* x/y;q=1.0 < x/y;q=0.7.
*/
private void sortReaders() {
if (!customComparatorAvailable(MessageBodyReader.class)) {
Collections.sort(messageReaders, new MessageBodyReaderComparator());
} else {
doCustomSort(messageReaders);
}
}
private void sortWriters() {
if (!customComparatorAvailable(MessageBodyWriter.class)) {
Collections.sort(messageWriters, new MessageBodyWriterComparator());
} else {
doCustomSort(messageWriters);
}
}
private boolean customComparatorAvailable(Class providerClass) {
if (providerComparator != null) {
Type type = ((ParameterizedType)providerComparator.getClass()
.getGenericInterfaces()[0]).getActualTypeArguments()[0];
if (type instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType)type;
if (pt.getRawType() == ProviderInfo.class) {
Type type2 = pt.getActualTypeArguments()[0];
if (type2 == providerClass
|| type2 instanceof WildcardType
|| type2 instanceof ParameterizedType
&& ((ParameterizedType)type2).getRawType() == providerClass) {
return true;
}
}
} else if (type == Object.class) {
return true;
}
}
return false;
}
@SuppressWarnings("unchecked")
private void doCustomSort(List listOfProviders) {
Comparator theProviderComparator = providerComparator;
Type type = ((ParameterizedType)providerComparator.getClass()
.getGenericInterfaces()[0]).getActualTypeArguments()[0];
if (type == Object.class) {
theProviderComparator =
(Comparator)(new ProviderInfoClassComparator((Comparator)theProviderComparator));
}
List theProviders = (List)listOfProviders;
Comparator theComparator = (Comparator)theProviderComparator;
Collections.sort((List)theProviders, theComparator);
}
private void sortContextResolvers() {
Collections.sort(contextResolvers, new ContextResolverComparator());
}
private boolean matchesReaderMediaTypes(ProviderInfo> pi,
MediaType mediaType) {
MessageBodyReader ep = pi.getProvider();
List supportedMediaTypes = JAXRSUtils.getProviderConsumeTypes(ep);
List availableMimeTypes =
JAXRSUtils.intersectMimeTypes(Collections.singletonList(mediaType), supportedMediaTypes, false);
return availableMimeTypes.size() != 0;
}
private boolean isReadable(ProviderInfo> pi,
Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
Message m) {
MessageBodyReader ep = pi.getProvider();
if (m.get(ACTIVE_JAXRS_PROVIDER_KEY) != ep) {
injectContextValues(pi, m);
}
return ep.isReadable(type, genericType, annotations, mediaType);
}
private boolean matchesWriterMediaTypes(ProviderInfo> pi,
MediaType mediaType) {
MessageBodyWriter ep = pi.getProvider();
List supportedMediaTypes = JAXRSUtils.getProviderProduceTypes(ep);
List availableMimeTypes =
JAXRSUtils.intersectMimeTypes(Collections.singletonList(mediaType),
supportedMediaTypes, false);
return availableMimeTypes.size() != 0;
}
private boolean isWriteable(ProviderInfo> pi,
Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
Message m) {
MessageBodyWriter ep = pi.getProvider();
if (m.get(ACTIVE_JAXRS_PROVIDER_KEY) != ep) {
injectContextValues(pi, m);
}
return ep.isWriteable(type, genericType, annotations, mediaType);
}
List>> getMessageReaders() {
return Collections.unmodifiableList(messageReaders);
}
List>> getMessageWriters() {
return Collections.unmodifiableList(messageWriters);
}
List>> getContextResolvers() {
return Collections.unmodifiableList(contextResolvers);
}
public void registerUserProvider(Object provider) {
setUserProviders(Collections.singletonList(provider));
}
/**
* Use for injection of entityProviders
* @param entityProviders the entityProviders to set
*/
public void setUserProviders(List userProviders) {
setProviders(true, false, userProviders.toArray());
}
private static class MessageBodyReaderComparator
implements Comparator>> {
public int compare(ProviderInfo> p1,
ProviderInfo> p2) {
MessageBodyReader e1 = p1.getProvider();
MessageBodyReader e2 = p2.getProvider();
List types1 = JAXRSUtils.getProviderConsumeTypes(e1);
types1 = JAXRSUtils.sortMediaTypes(types1, null);
List types2 = JAXRSUtils.getProviderConsumeTypes(e2);
types2 = JAXRSUtils.sortMediaTypes(types2, null);
int result = JAXRSUtils.compareSortedMediaTypes(types1, types2, null);
if (result != 0) {
return result;
}
result = compareClasses(e1, e2);
if (result != 0) {
return result;
}
return compareCustomStatus(p1, p2);
}
}
private static class MessageBodyWriterComparator
implements Comparator>> {
public int compare(ProviderInfo> p1,
ProviderInfo> p2) {
MessageBodyWriter e1 = p1.getProvider();
MessageBodyWriter e2 = p2.getProvider();
int result = compareClasses(e1, e2);
if (result != 0) {
return result;
}
List types1 =
JAXRSUtils.sortMediaTypes(JAXRSUtils.getProviderProduceTypes(e1), JAXRSUtils.MEDIA_TYPE_QS_PARAM);
List types2 =
JAXRSUtils.sortMediaTypes(JAXRSUtils.getProviderProduceTypes(e2), JAXRSUtils.MEDIA_TYPE_QS_PARAM);
result = JAXRSUtils.compareSortedMediaTypes(types1, types2, JAXRSUtils.MEDIA_TYPE_QS_PARAM);
if (result != 0) {
return result;
}
return compareCustomStatus(p1, p2);
}
}
private static int compareCustomStatus(ProviderInfo p1, ProviderInfo p2) {
Boolean custom1 = p1.isCustom();
Boolean custom2 = p2.isCustom();
int result = custom1.compareTo(custom2) * -1;
if (result == 0 && custom1) {
Boolean busGlobal1 = p1.isBusGlobal();
Boolean busGlobal2 = p2.isBusGlobal();
result = busGlobal1.compareTo(busGlobal2);
}
return result;
}
private static class ContextResolverComparator
implements Comparator>> {
public int compare(ProviderInfo> p1,
ProviderInfo> p2) {
ContextResolver e1 = p1.getProvider();
ContextResolver e2 = p2.getProvider();
List types1 =
JAXRSUtils.sortMediaTypes(JAXRSUtils.getProduceTypes(
e1.getClass().getAnnotation(Produces.class)), JAXRSUtils.MEDIA_TYPE_QS_PARAM);
List types2 =
JAXRSUtils.sortMediaTypes(JAXRSUtils.getProduceTypes(
e2.getClass().getAnnotation(Produces.class)), JAXRSUtils.MEDIA_TYPE_QS_PARAM);
return JAXRSUtils.compareSortedMediaTypes(types1, types2, JAXRSUtils.MEDIA_TYPE_QS_PARAM);
}
}
public void clearThreadLocalProxies() {
clearProxies(injectedProviders);
}
void clearProxies(Collection ...lists) {
for (Collection list : lists) {
Collection> l2 = CastUtils.cast(list);
for (ProviderInfo pi : l2) {
pi.clearThreadLocalProxies();
}
}
}
public void clearProviders() {
messageReaders.clear();
messageWriters.clear();
contextResolvers.clear();
contextProviders.clear();
readerInterceptors.clear();
writerInterceptors.clear();
paramConverters.clear();
}
public void setBus(Bus bus) {
if (bus == null) {
return;
}
for (ProviderInfo> r : messageReaders) {
injectProviderProperty(r.getProvider(), "setBus", Bus.class, bus);
}
}
private boolean injectProviderProperty(Object provider, String mName, Class pClass,
Object pValue) {
try {
Method m = provider.getClass().getMethod(mName, new Class[]{pClass});
m.invoke(provider, new Object[]{pValue});
return true;
} catch (Exception ex) {
// ignore
}
return false;
}
public void setSchemaLocations(List schemas) {
for (ProviderInfo> r : messageReaders) {
injectProviderProperty(r.getProvider(), "setSchemaLocations", List.class, schemas);
}
}
protected static List> getBoundFilters(Map> boundFilters,
Set names) {
if (boundFilters.isEmpty()) {
return Collections.emptyList();
}
names = names == null ? Collections.emptySet() : names;
MultivaluedMap, String> map =
new MetadataMap, String>();
for (Map.Entry> entry : boundFilters.entrySet()) {
String entryName = entry.getKey().getName();
ProviderInfo provider = entry.getValue();
if (entryName.equals(DEFAULT_FILTER_NAME_BINDING)) {
map.put(provider, Collections.emptyList());
} else {
if (provider instanceof FilterProviderInfo) {
FilterProviderInfo fpi = (FilterProviderInfo)provider;
if (fpi.isDynamic() && !names.containsAll(fpi.getNameBinding())) {
continue;
}
}
map.add(provider, entryName);
}
}
List> list = new LinkedList>();
for (Map.Entry, List> entry : map.entrySet()) {
List values = entry.getValue();
if (names.containsAll(values)) {
ProviderInfo provider = entry.getKey();
list.add(provider);
}
}
return list;
}
public void initProviders(List cris) {
Set set = getReadersWriters();
for (Object o : set) {
Object provider = ((ProviderInfo)o).getProvider();
if (provider instanceof AbstractConfigurableProvider) {
((AbstractConfigurableProvider)provider).init(cris);
}
}
}
Set getReadersWriters() {
Set set = new HashSet();
set.addAll(messageReaders);
set.addAll(messageWriters);
return set;
}
public static class ClassComparator implements
Comparator {
private Class expectedCls;
public ClassComparator() {
}
public ClassComparator(Class expectedCls) {
this.expectedCls = expectedCls;
}
public int compare(Object em1, Object em2) {
return compareClasses(expectedCls, em1, em2);
}
}
public static class ProviderInfoClassComparator implements Comparator> {
private Comparator comp;
private boolean defaultComp;
public ProviderInfoClassComparator(Class expectedCls) {
this.comp = new ClassComparator(expectedCls);
this.defaultComp = true;
}
public ProviderInfoClassComparator(Comparator comp) {
this.comp = comp;
}
public int compare(ProviderInfo p1, ProviderInfo p2) {
int result = comp.compare(p1.getProvider(), p2.getProvider());
if (result == 0 && defaultComp) {
result = compareCustomStatus(p1, p2);
}
return result;
}
}
public static ProviderFactory getInstance(Message m) {
Endpoint e = m.getExchange().getEndpoint();
Message outM = m.getExchange().getOutMessage();
boolean isClient = outM != null && MessageUtils.isRequestor(outM);
String name = isClient ? CLIENT_FACTORY_NAME : SERVER_FACTORY_NAME;
return (ProviderFactory)e.get(name);
}
protected static int compareClasses(Object o1, Object o2) {
return compareClasses(null, o1, o2);
}
protected static int compareClasses(Class expectedCls, Object o1, Object o2) {
Class cl1 = ClassHelper.getRealClass(o1);
Class cl2 = ClassHelper.getRealClass(o2);
Type[] types1 = getGenericInterfaces(cl1, expectedCls);
Type[] types2 = getGenericInterfaces(cl2, expectedCls);
if (types1.length == 0 && types2.length == 0) {
return 0;
} else if (types1.length == 0 && types2.length > 0) {
return 1;
} else if (types1.length > 0 && types2.length == 0) {
return -1;
}
Class realClass1 = InjectionUtils.getActualType(types1[0]);
Class realClass2 = InjectionUtils.getActualType(types2[0]);
if (realClass1 == realClass2) {
return 0;
}
if (realClass1.isAssignableFrom(realClass2)) {
// subclass should go first
return 1;
}
return -1;
}
private static Type[] getGenericInterfaces(Class cls, Class expectedClass) {
if (Object.class == cls) {
return new Type[]{};
}
if (expectedClass != null) {
Type genericSuperType = cls.getGenericSuperclass();
if (genericSuperType instanceof ParameterizedType) {
Class actualType = InjectionUtils.getActualType(genericSuperType);
if (actualType != null && actualType.isAssignableFrom(expectedClass)) {
return new Type[]{genericSuperType};
} else if (expectedClass.isAssignableFrom(actualType)) {
return new Type[]{};
}
}
}
Type[] types = cls.getGenericInterfaces();
if (types.length > 0) {
return types;
}
return getGenericInterfaces(cls.getSuperclass(), expectedClass);
}
protected static class AbstractPriorityComparator {
private boolean ascending;
protected AbstractPriorityComparator(boolean ascending) {
this.ascending = ascending;
}
protected int compare(Integer b1Value, Integer b2Value) {
int result = b1Value.compareTo(b2Value);
return ascending ? result : result * -1;
}
}
protected static class BindingPriorityComparator extends AbstractPriorityComparator
implements Comparator> {
private Class providerCls;
public BindingPriorityComparator(Class providerCls, boolean ascending) {
super(ascending);
this.providerCls = providerCls;
}
public int compare(ProviderInfo p1, ProviderInfo p2) {
return compare(getFilterPriority(p1, providerCls),
getFilterPriority(p2, providerCls));
}
}
static class ContextResolverProxy implements ContextResolver {
private List> candidates;
ContextResolverProxy(List> candidates) {
this.candidates = candidates;
}
public T getContext(Class cls) {
for (ContextResolver resolver : candidates) {
T context = resolver.getContext(cls);
if (context != null) {
return context;
}
}
return null;
}
public List> getResolvers() {
return candidates;
}
}
public static ProviderInfo createProviderFromConstructor(Constructor c,
Map, Object> values,
Bus theBus,
boolean checkContexts,
boolean custom) {
Map, Map, ThreadLocalProxy>> proxiesMap =
CastUtils.cast((Map)theBus.getProperty(AbstractResourceInfo.CONSTRUCTOR_PROXY_MAP));
Map, ThreadLocalProxy> existingProxies = null;
if (proxiesMap != null) {
existingProxies = proxiesMap.get(c.getDeclaringClass());
}
Class[] paramTypes = c.getParameterTypes();
Object[] cArgs = ResourceUtils.createConstructorArguments(c, null, false, values);
if (existingProxies != null && existingProxies.size() <= paramTypes.length) {
for (int i = 0; i < paramTypes.length; i++) {
if (cArgs[i] instanceof ThreadLocalProxy) {
cArgs[i] = existingProxies.get(paramTypes[i]);
}
}
}
Object instance = null;
try {
instance = c.newInstance(cArgs);
} catch (Throwable ex) {
throw new RuntimeException("Resource or provider class " + c.getDeclaringClass().getName()
+ " can not be instantiated");
}
Map, ThreadLocalProxy> proxies =
new LinkedHashMap, ThreadLocalProxy>();
for (int i = 0; i < paramTypes.length; i++) {
if (cArgs[i] instanceof ThreadLocalProxy) {
@SuppressWarnings("unchecked")
ThreadLocalProxy proxy = (ThreadLocalProxy)cArgs[i];
proxies.put(paramTypes[i], proxy);
}
}
boolean isApplication = Application.class.isAssignableFrom(c.getDeclaringClass());
if (isApplication) {
return new ApplicationInfo((Application)instance, proxies, theBus);
} else {
return new ProviderInfo(instance, proxies, theBus, checkContexts, custom);
}
}
protected static class NameKey {
private String name;
private Integer priority;
private Class providerCls;
public NameKey(String name,
int priority,
Class providerCls) {
this.name = name;
this.priority = priority;
this.providerCls = providerCls;
}
public String getName() {
return name;
}
public Integer getPriority() {
return priority;
}
public boolean equals(Object o) {
if (!(o instanceof NameKey)) {
return false;
}
NameKey other = (NameKey)o;
return name.equals(other.name) && priority.equals(other.priority)
&& providerCls == other.providerCls;
}
public int hashCode() {
return super.hashCode();
}
public String toString() {
return name + ":" + priority;
}
}
protected static void mapInterceptorFilters(Map> map,
List> filters,
Class providerCls,
boolean ascending) {
for (ProviderInfo p : filters) {
Set names = getFilterNameBindings(p);
int priority = getFilterPriority(p, providerCls);
for (String name : names) {
map.put(new NameKey(name, priority, p.getClass()), p);
}
}
}
protected static Set getFilterNameBindings(ProviderInfo p) {
Set names = null;
if (p instanceof FilterProviderInfo) {
names = ((FilterProviderInfo)p).getNameBinding();
}
if (names == null) {
names = AnnotationUtils.getNameBindings(p.getProvider().getClass().getAnnotations());
}
if (names.isEmpty()) {
names = Collections.singleton(DEFAULT_FILTER_NAME_BINDING);
}
return names;
}
protected static int getFilterPriority(ProviderInfo p, Class providerCls) {
return p instanceof FilterProviderInfo ? ((FilterProviderInfo)p).getPriority(providerCls)
: AnnotationUtils.getBindingPriority(p.getProvider().getClass());
}
protected static class NameKeyComparator extends AbstractPriorityComparator
implements Comparator {
public NameKeyComparator(boolean ascending) {
super(ascending);
}
@Override
public int compare(NameKey key1, NameKey key2) {
int result = compare(key1.getPriority(), key2.getPriority());
if (result != 0) {
return result;
}
return compare(key1.hashCode(), key2.hashCode());
}
}
protected static class NameKeyMap extends TreeMap {
private static final long serialVersionUID = -4352258671270502204L;
public NameKeyMap(boolean ascending) {
super(new NameKeyComparator(ascending));
}
}
protected static boolean filterContractSupported(ProviderInfo provider,
Class providerCls,
Class contract) {
boolean result = false;
if (contract.isAssignableFrom(providerCls)) {
Set> actualContracts = null;
if (provider instanceof FilterProviderInfo) {
actualContracts = ((FilterProviderInfo)provider).getSupportedContracts();
}
if (actualContracts != null) {
result = actualContracts.contains(contract);
} else {
result = true;
}
}
return result;
}
protected List> prepareProviders(boolean custom,
boolean busGlobal,
Object[] providers,
ProviderInfo application) {
List> theProviders =
new ArrayList>(providers.length);
for (Object o : providers) {
if (o == null) {
continue;
}
Object provider = o;
if (provider.getClass() == Class.class) {
provider = ResourceUtils.createProviderInstance((Class)provider);
}
if (provider instanceof Constructor) {
Map, Object> values = CastUtils.cast(application == null ? null
: Collections.singletonMap(Application.class, application.getProvider()));
theProviders.add(
createProviderFromConstructor((Constructor)provider, values, getBus(), true, custom));
} else if (provider instanceof ProviderInfo) {
theProviders.add((ProviderInfo)provider);
} else {
ProviderInfo theProvider = new ProviderInfo(provider, getBus(), custom);
theProvider.setBusGlobal(busGlobal);
theProviders.add(theProvider);
}
}
return theProviders;
}
public MessageBodyWriter getDefaultJaxbWriter() {
for (ProviderInfo> pi : this.messageWriters) {
Class cls = pi.getProvider().getClass();
if (cls.getName().equals(JAXB_PROVIDER_NAME)) {
return pi.getProvider();
}
}
return null;
}
public void setProviderComparator(Comparator providerComparator) {
this.providerComparator = providerComparator;
sortReaders();
sortWriters();
}
}
