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Fix exception handling

This commit is contained in:
Sebastien Riviere 2016-05-13 15:34:55 +02:00
parent 462ae8cb1f
commit 6e1b848ea6
2 changed files with 308 additions and 292 deletions
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483
hapi-fhir-jaxrsserver-base/src/main/java/ca/uhn/fhir/jaxrs/server/AbstractJaxRsResourceProvider.java
View File

@ -10,7 +10,7 @@ package ca.uhn.fhir.jaxrs.server;
* 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
* 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,
@ -22,8 +22,6 @@ package ca.uhn.fhir.jaxrs.server;
import java.io.IOException;
import java.net.URL;
import java.util.Collections;
import java.util.List;
import javax.interceptor.Interceptors;
import javax.ws.rs.Consumes;
@ -41,7 +39,6 @@ import org.hl7.fhir.instance.model.api.IBaseResource;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.jaxrs.server.interceptor.JaxRsExceptionInterceptor;
import ca.uhn.fhir.jaxrs.server.interceptor.JaxRsResponseException;
import ca.uhn.fhir.jaxrs.server.util.JaxRsMethodBindings;
import ca.uhn.fhir.jaxrs.server.util.JaxRsRequest;
import ca.uhn.fhir.jaxrs.server.util.JaxRsRequest.Builder;
@ -60,47 +57,32 @@ import ca.uhn.fhir.rest.server.IRestfulServer;
* @author Peter Van Houte | peter.vanhoute@agfa.com | Agfa Healthcare
*/
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML, MediaType.TEXT_PLAIN })
@Consumes({ MediaType.APPLICATION_FORM_URLENCODED, MediaType.APPLICATION_JSON, Constants.CT_FHIR_JSON,
Constants.CT_FHIR_XML })
@Consumes({ MediaType.APPLICATION_FORM_URLENCODED, MediaType.APPLICATION_JSON, Constants.CT_FHIR_JSON, Constants.CT_FHIR_XML })
@Interceptors(JaxRsExceptionInterceptor.class)
public abstract class AbstractJaxRsResourceProvider<R extends IBaseResource> extends AbstractJaxRsProvider
implements IRestfulServer<JaxRsRequest>, IResourceProvider {
implements IRestfulServer<JaxRsRequest>, IResourceProvider {
/** the method bindings for this class */
private final JaxRsMethodBindings theBindings;
/** the method bindings for this class */
private final JaxRsMethodBindings theBindings;
/**
* The default constructor. The method bindings are retrieved from the class
* being constructed.
*/
protected AbstractJaxRsResourceProvider() {
super();
theBindings = JaxRsMethodBindings.getMethodBindings(this, getClass());
}
/**
/**
* The default constructor. The method bindings are retrieved from the class
* being constructed.
*/
protected AbstractJaxRsResourceProvider() {
super();
theBindings = JaxRsMethodBindings.getMethodBindings(this, getClass());
}
/**
* Provides the ability to specify the {@link FhirContext}.
* @param ctx the {@link FhirContext} instance.
*/
protected AbstractJaxRsResourceProvider(FhirContext ctx) {
protected AbstractJaxRsResourceProvider(final FhirContext ctx) {
super(ctx);
theBindings = JaxRsMethodBindings.getMethodBindings(this, getClass());
}
/**
* This constructor takes in an explicit interface class. This subclass
* should be identical to the class being constructed but is given
* explicitly in order to avoid issues with proxy classes in a jee
* environment.
*
* @param theProviderClass the interface of the class
*/
protected AbstractJaxRsResourceProvider(Class<? extends AbstractJaxRsProvider> theProviderClass) {
super();
theBindings = JaxRsMethodBindings.getMethodBindings(this, theProviderClass);
}
/**
* This constructor takes in an explicit interface class. This subclass
@ -108,65 +90,82 @@ public abstract class AbstractJaxRsResourceProvider<R extends IBaseResource> ext
* explicitly in order to avoid issues with proxy classes in a jee
* environment.
*
* @param theProviderClass the interface of the class
*/
protected AbstractJaxRsResourceProvider(final Class<? extends AbstractJaxRsProvider> theProviderClass) {
super();
theBindings = JaxRsMethodBindings.getMethodBindings(this, theProviderClass);
}
/**
* This constructor takes in an explicit interface class. This subclass
* should be identical to the class being constructed but is given
* explicitly in order to avoid issues with proxy classes in a jee
* environment.
*
* @param ctx the {@link FhirContext} instance.
* @param theProviderClass the interface of the class
*/
protected AbstractJaxRsResourceProvider(FhirContext ctx, Class<? extends AbstractJaxRsProvider> theProviderClass) {
protected AbstractJaxRsResourceProvider(final FhirContext ctx, final Class<? extends AbstractJaxRsProvider> theProviderClass) {
super(ctx);
theBindings = JaxRsMethodBindings.getMethodBindings(this, theProviderClass);
}
/**
* The base for request for a resource provider has the following form:</br>
* {@link AbstractJaxRsResourceProvider#getBaseForServer()
* getBaseForServer()} + "/" +
* {@link AbstractJaxRsResourceProvider#getResourceType() getResourceType()}
* .{@link java.lang.Class#getSimpleName() getSimpleName()}
*/
@Override
public String getBaseForRequest() {
try {
return new URL(getUriInfo().getBaseUri().toURL(), getResourceType().getSimpleName()).toExternalForm();
} catch (Exception e) {
// cannot happen
return null;
}
}
/**
* The base for request for a resource provider has the following form:</br>
* {@link AbstractJaxRsResourceProvider#getBaseForServer()
* getBaseForServer()} + "/" +
* {@link AbstractJaxRsResourceProvider#getResourceType() getResourceType()}
* .{@link java.lang.Class#getSimpleName() getSimpleName()}
*/
@Override
public String getBaseForRequest() {
try {
return new URL(getUriInfo().getBaseUri().toURL(), getResourceType().getSimpleName()).toExternalForm();
}
catch (final Exception e) {
// cannot happen
return null;
}
}
/**
* Create a new resource with a server assigned id
*
* @param resource the body of the post method containing resource being created in a xml/json form
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#create">https://www.hl7. org/fhir/http.html#create</a>
*/
@POST
public Response create(final String resource) throws IOException {
return execute(getResourceRequest(RequestTypeEnum.POST, RestOperationTypeEnum.CREATE).resource(resource));
}
/**
* Create a new resource with a server assigned id
*
* @param resource the body of the post method containing resource being created in a xml/json form
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#create">https://www.hl7. org/fhir/http.html#create</a>
*/
@POST
public Response create(final String resource)
throws IOException {
return execute(getResourceRequest(RequestTypeEnum.POST, RestOperationTypeEnum.CREATE).resource(resource));
}
/**
* Search the resource type based on some filter criteria
*
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#search">https://www.hl7.org/fhir/http.html#search</a>
*/
@POST
@Path("/_search")
public Response searchWithPost() throws IOException {
return execute(getResourceRequest(RequestTypeEnum.POST, RestOperationTypeEnum.SEARCH_TYPE));
}
/**
* Search the resource type based on some filter criteria
*
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#search">https://www.hl7.org/fhir/http.html#search</a>
*/
@POST
@Path("/_search")
public Response searchWithPost()
throws IOException {
return execute(getResourceRequest(RequestTypeEnum.POST, RestOperationTypeEnum.SEARCH_TYPE));
}
/**
* Search the resource type based on some filter criteria
*
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#search">https://www.hl7.org/fhir/http.html#search</a>
*/
@GET
public Response search() throws IOException {
return execute(getResourceRequest(RequestTypeEnum.GET, RestOperationTypeEnum.SEARCH_TYPE));
}
/**
* Search the resource type based on some filter criteria
*
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#search">https://www.hl7.org/fhir/http.html#search</a>
*/
@GET
public Response search()
throws IOException {
return execute(getResourceRequest(RequestTypeEnum.GET, RestOperationTypeEnum.SEARCH_TYPE));
}
/**
* Update an existing resource based on the given condition
@ -175,23 +174,25 @@ public abstract class AbstractJaxRsResourceProvider<R extends IBaseResource> ext
* @see <a href="https://www.hl7.org/fhir/http.html#update">https://www.hl7.org/fhir/http.html#update</a>
*/
@PUT
public Response conditionalUpdate(final String resource) throws IOException {
public Response conditionalUpdate(final String resource)
throws IOException {
return execute(getResourceRequest(RequestTypeEnum.PUT, RestOperationTypeEnum.UPDATE).resource(resource));
}
/**
* Update an existing resource by its id (or create it if it is new)
*
* @param id the id of the resource
* @param resource the body contents for the put method
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#update">https://www.hl7.org/fhir/http.html#update</a>
*/
@PUT
@Path("/{id}")
public Response update(@PathParam("id") final String id, final String resource) throws IOException {
return execute(getResourceRequest(RequestTypeEnum.PUT, RestOperationTypeEnum.UPDATE).id(id).resource(resource));
}
/**
* Update an existing resource by its id (or create it if it is new)
*
* @param id the id of the resource
* @param resource the body contents for the put method
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#update">https://www.hl7.org/fhir/http.html#update</a>
*/
@PUT
@Path("/{id}")
public Response update(@PathParam("id") final String id, final String resource)
throws IOException {
return execute(getResourceRequest(RequestTypeEnum.PUT, RestOperationTypeEnum.UPDATE).id(id).resource(resource));
}
/**
* Delete a resource based on the given condition
@ -200,157 +201,163 @@ public abstract class AbstractJaxRsResourceProvider<R extends IBaseResource> ext
* @see <a href="https://www.hl7.org/fhir/http.html#delete">https://www.hl7.org/fhir/http.html#delete</a>
*/
@DELETE
public Response delete() throws IOException {
public Response delete()
throws IOException {
return execute(getResourceRequest(RequestTypeEnum.DELETE, RestOperationTypeEnum.DELETE));
}
/**
* Delete a resource
*
* @param id the id of the resource to delete
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#delete">https://www.hl7.org/fhir/http.html#delete</a>
*/
@DELETE
@Path("/{id}")
public Response delete(@PathParam("id") final String id) throws IOException {
return execute(getResourceRequest(RequestTypeEnum.DELETE, RestOperationTypeEnum.DELETE).id(id));
}
/**
* Read the current state of the resource
*
* @param id the id of the resource to read
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#read">https://www.hl7.org/fhir/http.html#read</a>
*/
@GET
@Path("/{id}")
public Response find(@PathParam("id") final String id) throws IOException {
return execute(getResourceRequest(RequestTypeEnum.GET, RestOperationTypeEnum.READ).id(id));
}
/**
* Delete a resource
*
* @param id the id of the resource to delete
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#delete">https://www.hl7.org/fhir/http.html#delete</a>
*/
@DELETE
@Path("/{id}")
public Response delete(@PathParam("id") final String id)
throws IOException {
return execute(getResourceRequest(RequestTypeEnum.DELETE, RestOperationTypeEnum.DELETE).id(id));
}
/**
* Execute a custom operation
*
* @param resource the resource to create
* @param requestType the type of request
* @param id the id of the resource on which to perform the operation
* @param operationName the name of the operation to execute
* @param operationType the rest operation type
* @return the response
* @see <a href="https://www.hl7.org/fhir/operations.html">https://www.hl7.org/fhir/operations.html</a>
*/
protected Response customOperation(final String resource, RequestTypeEnum requestType, String id,
String operationName, RestOperationTypeEnum operationType) throws IOException {
Builder request = getResourceRequest(requestType, operationType).resource(resource).id(id);
return execute(request, operationName);
}
/**
* Read the current state of the resource
*
* @param id the id of the resource to read
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#read">https://www.hl7.org/fhir/http.html#read</a>
*/
@GET
@Path("/{id}")
public Response find(@PathParam("id") final String id)
throws IOException {
return execute(getResourceRequest(RequestTypeEnum.GET, RestOperationTypeEnum.READ).id(id));
}
/**
* Retrieve the update history for a particular resource
*
* @param id the id of the resource
* @param version the version of the resource
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#history">https://www.hl7.org/fhir/http.html#history</a>
*/
@GET
@Path("/{id}/_history/{version}")
public Response findHistory(@PathParam("id") final String id, @PathParam("version") final String version)
throws IOException {
Builder theRequest = getResourceRequest(RequestTypeEnum.GET, RestOperationTypeEnum.VREAD).id(id)
.version(version);
return execute(theRequest);
}
/**
* Execute a custom operation
*
* @param resource the resource to create
* @param requestType the type of request
* @param id the id of the resource on which to perform the operation
* @param operationName the name of the operation to execute
* @param operationType the rest operation type
* @return the response
* @see <a href="https://www.hl7.org/fhir/operations.html">https://www.hl7.org/fhir/operations.html</a>
*/
protected Response customOperation(final String resource, final RequestTypeEnum requestType, final String id,
final String operationName, final RestOperationTypeEnum operationType)
throws IOException {
final Builder request = getResourceRequest(requestType, operationType).resource(resource).id(id);
return execute(request, operationName);
}
/**
* Compartment Based Access
*
* @param id the resource to which the compartment belongs
* @param compartment the compartment
* @return the repsonse
* @see <a href="https://www.hl7.org/fhir/http.html#search">https://www.hl7.org/fhir/http.html#search</a>
* @see <a href="https://www.hl7.org/fhir/compartments.html#compartment">https://www.hl7.org/fhir/compartments.html#compartment</a>
*/
@GET
@Path("/{id}/{compartment}")
public Response findCompartment(@PathParam("id") final String id,
@PathParam("compartment") final String compartment) throws IOException {
Builder theRequest = getResourceRequest(RequestTypeEnum.GET, RestOperationTypeEnum.SEARCH_TYPE).id(id)
.compartment(compartment);
return execute(theRequest, compartment);
}
/**
* Retrieve the update history for a particular resource
*
* @param id the id of the resource
* @param version the version of the resource
* @return the response
* @see <a href="https://www.hl7.org/fhir/http.html#history">https://www.hl7.org/fhir/http.html#history</a>
*/
@GET
@Path("/{id}/_history/{version}")
public Response findHistory(@PathParam("id") final String id, @PathParam("version") final String version)
throws IOException {
final Builder theRequest = getResourceRequest(RequestTypeEnum.GET, RestOperationTypeEnum.VREAD).id(id).version(version);
return execute(theRequest);
}
/**
* Execute the method described by the requestBuilder and methodKey
*
* @param theRequestBuilder the requestBuilder that contains the information about the request
* @param methodKey the key determining the method to be executed
* @return the response
*/
private Response execute(Builder theRequestBuilder, String methodKey) throws IOException {
JaxRsRequest theRequest = theRequestBuilder.build();
BaseMethodBinding<?> method = getBinding(theRequest.getRestOperationType(), methodKey);
try {
return (Response) method.invokeServer(this, theRequest);
} catch (JaxRsResponseException theException) {
return new JaxRsExceptionInterceptor().convertExceptionIntoResponse(theRequest, theException);
}
}
/**
* Execute the method described by the requestBuilder
*
* @param theRequestBuilder the requestBuilder that contains the information about the request
* @return the response
*/
private Response execute(Builder theRequestBuilder) throws IOException {
return execute(theRequestBuilder, JaxRsMethodBindings.DEFAULT_METHOD_KEY);
}
/**
* Return the method binding for the given rest operation
*
* @param restOperation the rest operation to retrieve
* @param theBindingKey the key determining the method to be executed (needed for e.g. custom operation)
* @return
*/
protected BaseMethodBinding<?> getBinding(RestOperationTypeEnum restOperation, String theBindingKey) {
return getBindings().getBinding(restOperation, theBindingKey);
}
/**
* Compartment Based Access
*
* @param id the resource to which the compartment belongs
* @param compartment the compartment
* @return the repsonse
* @see <a href="https://www.hl7.org/fhir/http.html#search">https://www.hl7.org/fhir/http.html#search</a>
* @see <a href="https://www.hl7.org/fhir/compartments.html#compartment">https://www.hl7.org/fhir/compartments.html#compartment</a>
*/
@GET
@Path("/{id}/{compartment}")
public Response findCompartment(@PathParam("id") final String id, @PathParam("compartment") final String compartment)
throws IOException {
final Builder theRequest = getResourceRequest(RequestTypeEnum.GET, RestOperationTypeEnum.SEARCH_TYPE).id(id).compartment(
compartment);
return execute(theRequest, compartment);
}
/**
* Default: no paging provider
*/
@Override
public IPagingProvider getPagingProvider() {
return null;
}
/**
* Execute the method described by the requestBuilder and methodKey
*
* @param theRequestBuilder the requestBuilder that contains the information about the request
* @param methodKey the key determining the method to be executed
* @return the response
*/
private Response execute(final Builder theRequestBuilder, final String methodKey)
throws IOException {
final JaxRsRequest theRequest = theRequestBuilder.build();
final BaseMethodBinding<?> method = getBinding(theRequest.getRestOperationType(), methodKey);
try {
return (Response) method.invokeServer(this, theRequest);
}
catch (final Throwable theException) {
return handleException(theRequest, theException);
}
}
/**
* Default: BundleInclusionRule.BASED_ON_INCLUDES
*/
@Override
public BundleInclusionRule getBundleInclusionRule() {
return BundleInclusionRule.BASED_ON_INCLUDES;
}
/**
* Execute the method described by the requestBuilder
*
* @param theRequestBuilder the requestBuilder that contains the information about the request
* @return the response
*/
private Response execute(final Builder theRequestBuilder)
throws IOException {
return execute(theRequestBuilder, JaxRsMethodBindings.DEFAULT_METHOD_KEY);
}
/**
* The resource type should return conform to the generic resource included
* in the topic
*/
@Override
public abstract Class<R> getResourceType();
/**
* Return the method binding for the given rest operation
*
* @param restOperation the rest operation to retrieve
* @param theBindingKey the key determining the method to be executed (needed for e.g. custom operation)
* @return
*/
protected BaseMethodBinding<?> getBinding(final RestOperationTypeEnum restOperation, final String theBindingKey) {
return getBindings().getBinding(restOperation, theBindingKey);
}
/**
* Return the bindings defined in this resource provider
*
* @return the jax-rs method bindings
*/
public JaxRsMethodBindings getBindings() {
return theBindings;
}
/**
* Default: no paging provider
*/
@Override
public IPagingProvider getPagingProvider() {
return null;
}
/**
* Default: BundleInclusionRule.BASED_ON_INCLUDES
*/
@Override
public BundleInclusionRule getBundleInclusionRule() {
return BundleInclusionRule.BASED_ON_INCLUDES;
}
/**
* The resource type should return conform to the generic resource included
* in the topic
*/
@Override
public abstract Class<R> getResourceType();
/**
* Return the bindings defined in this resource provider
*
* @return the jax-rs method bindings
*/
public JaxRsMethodBindings getBindings() {
return theBindings;
}
/**
* Return the request builder based on the resource name for the server

117
hapi-fhir-jaxrsserver-base/src/main/java/ca/uhn/fhir/jaxrs/server/interceptor/JaxRsExceptionInterceptor.java
View File

@ -10,7 +10,7 @@ package ca.uhn.fhir.jaxrs.server.interceptor;
* 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
* 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,
@ -35,42 +35,44 @@ import ca.uhn.fhir.rest.server.interceptor.ExceptionHandlingInterceptor;
/**
* An interceptor that catches the jax-rs exceptions
*
*
* @author Peter Van Houte | peter.vanhoute@agfa.com | Agfa Healthcare
*/
public class JaxRsExceptionInterceptor {
/** the existing exception handler which is able to convert exception into responses*/
private ExceptionHandlingInterceptor exceptionHandler;
private final ExceptionHandlingInterceptor exceptionHandler;
/**
* The default constructor
*/
public JaxRsExceptionInterceptor() {
this.exceptionHandler = new ExceptionHandlingInterceptor();
}
this.exceptionHandler = new ExceptionHandlingInterceptor();
}
/**
* A utility constructor for unit testing
* @param exceptionHandler the handler for the exception conversion
*/
JaxRsExceptionInterceptor(ExceptionHandlingInterceptor exceptionHandler) {
this.exceptionHandler = exceptionHandler;
}
/**
* This interceptor will catch all exception and convert them using the exceptionhandler
* @param ctx the invocation context
* @return the result
* @throws JaxRsResponseException an exception that can be handled by a jee container
*/
@AroundInvoke
public Object intercept(final InvocationContext ctx) throws JaxRsResponseException {
JaxRsExceptionInterceptor(final ExceptionHandlingInterceptor exceptionHandler) {
this.exceptionHandler = exceptionHandler;
}
/**
* This interceptor will catch all exception and convert them using the exceptionhandler
* @param ctx the invocation context
* @return the result
* @throws JaxRsResponseException an exception that can be handled by a jee container
*/
@AroundInvoke
public Object intercept(final InvocationContext ctx)
throws JaxRsResponseException {
try {
return ctx.proceed();
} catch(final Exception theException) {
AbstractJaxRsProvider theServer = (AbstractJaxRsProvider) ctx.getTarget();
throw convertException(theServer, theException);
}
catch (final Exception theException) {
final AbstractJaxRsProvider theServer = (AbstractJaxRsProvider) ctx.getTarget();
throw convertException(theServer, theException);
}
}
@ -80,41 +82,48 @@ public class JaxRsExceptionInterceptor {
* @param theException the exception to convert
* @return JaxRsResponseException
*/
public JaxRsResponseException convertException(final AbstractJaxRsProvider theServer, final Throwable theException) {
public JaxRsResponseException convertException(final AbstractJaxRsProvider theServer, final Throwable theException) {
if (theServer.withStackTrace()) {
exceptionHandler.setReturnStackTracesForExceptionTypes(Throwable.class);
}
JaxRsRequest requestDetails = theServer.getRequest(null, null).build();
BaseServerResponseException convertedException = preprocessException(theException, requestDetails);
return new JaxRsResponseException(convertedException);
}
/**
* This method converts an exception into a response
* @param theRequest the request
* @param theException the thrown exception
* @return the response describing the error
* @throws IOException
*/
public Response convertExceptionIntoResponse(JaxRsRequest theRequest, JaxRsResponseException theException)
throws IOException {
return handleExceptionWithoutServletError(theRequest, theException);
}
final JaxRsRequest requestDetails = theServer.getRequest(null, null).build();
final BaseServerResponseException convertedException = preprocessException(theException, requestDetails);
return new JaxRsResponseException(convertedException);
}
private BaseServerResponseException preprocessException(final Throwable theException, JaxRsRequest requestDetails) {
try {
return exceptionHandler.preProcessOutgoingException(requestDetails, theException, null);
} catch(ServletException e) {
return new InternalErrorException(e);
}
}
/**
* This method converts an exception into a response
* @param theRequest the request
* @param theException the thrown exception
* @return the response describing the error
* @throws IOException
*/
public Response convertExceptionIntoResponse(final JaxRsRequest theRequest, final JaxRsResponseException theException)
throws IOException {
return handleExceptionWithoutServletError(theRequest, theException);
}
private Response handleExceptionWithoutServletError(JaxRsRequest theRequest, BaseServerResponseException theException) throws IOException {
try {
return (Response) exceptionHandler.handleException(theRequest, theException);
} catch (ServletException e) {
BaseServerResponseException newException = preprocessException(new InternalErrorException(e), theRequest);
return handleExceptionWithoutServletError(theRequest, newException);
}
}
private BaseServerResponseException preprocessException(final Throwable theException, final JaxRsRequest requestDetails) {
try {
Throwable theExceptionToConvert = theException;
if (!(theException instanceof BaseServerResponseException) && (theException.getCause() instanceof BaseServerResponseException)) {
theExceptionToConvert = theException.getCause();
}
return exceptionHandler.preProcessOutgoingException(requestDetails, theExceptionToConvert, null);
}
catch (final ServletException e) {
return new InternalErrorException(e);
}
}
private Response handleExceptionWithoutServletError(final JaxRsRequest theRequest, final BaseServerResponseException theException)
throws IOException {
try {
return (Response) exceptionHandler.handleException(theRequest, theException);
}
catch (final ServletException e) {
final BaseServerResponseException newException = preprocessException(new InternalErrorException(e), theRequest);
return handleExceptionWithoutServletError(theRequest, newException);
}
}
}