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/**
* 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.interceptor;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collection;
import java.util.Iterator;
import java.util.ResourceBundle;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamReader;
import javax.xml.validation.Schema;
import org.w3c.dom.Node;
import org.apache.cxf.annotations.SchemaValidation.SchemaValidationType;
import org.apache.cxf.common.i18n.BundleUtils;
import org.apache.cxf.databinding.DataReader;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.helpers.ServiceUtils;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.service.Service;
import org.apache.cxf.service.model.BindingMessageInfo;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.service.model.MessageInfo;
import org.apache.cxf.service.model.MessagePartInfo;
import org.apache.cxf.service.model.OperationInfo;
import org.apache.cxf.service.model.ServiceInfo;
import org.apache.cxf.service.model.ServiceModelUtil;
import org.apache.cxf.staxutils.DepthXMLStreamReader;
import org.apache.cxf.wsdl.EndpointReferenceUtils;
public abstract class AbstractInDatabindingInterceptor extends AbstractPhaseInterceptor {
public static final String NO_VALIDATE_PARTS = AbstractInDatabindingInterceptor.class.getName()
+ ".novalidate-parts";
private static final QName XSD_ANY = new QName("http://www.w3.org/2001/XMLSchema", "anyType", "xsd");
private static final ResourceBundle BUNDLE = BundleUtils
.getBundle(AbstractInDatabindingInterceptor.class);
public AbstractInDatabindingInterceptor(String phase) {
super(phase);
}
public AbstractInDatabindingInterceptor(String i, String phase) {
super(i, phase);
}
protected boolean isRequestor(Message message) {
return Boolean.TRUE.equals(message.get(Message.REQUESTOR_ROLE));
}
protected boolean supportsDataReader(Message message, Class input) {
Service service = ServiceModelUtil.getService(message.getExchange());
Class cls[] = service.getDataBinding().getSupportedReaderFormats();
for (Class c : cls) {
if (c.equals(input)) {
return true;
}
}
return false;
}
protected DataReader getDataReader(Message message, Class input) {
Service service = ServiceModelUtil.getService(message.getExchange());
DataReader dataReader = service.getDataBinding().createReader(input);
if (dataReader == null) {
throw new Fault(new org.apache.cxf.common.i18n.Message("NO_DATAREADER",
BUNDLE, service.getName()));
}
dataReader.setAttachments(message.getAttachments());
dataReader.setProperty(DataReader.ENDPOINT, message.getExchange().getEndpoint());
dataReader.setProperty(Message.class.getName(), message);
setDataReaderValidation(service, message, dataReader);
return dataReader;
}
protected DataReader getDataReader(Message message) {
return getDataReader(message, XMLStreamReader.class);
}
protected DataReader getNodeDataReader(Message message) {
return getDataReader(message, Node.class);
}
protected boolean shouldValidate(Message message) {
return ServiceUtils.isSchemaValidationEnabled(SchemaValidationType.IN, message);
}
/**
* Based on the Schema Validation configuration, will initialise the
* DataReader with or without the schema set.
*
* Can also be called to override schema validation at operation level, thus the reader.setSchema(null)
* to remove schema validation
*/
protected void setDataReaderValidation(Service service, Message message, DataReader reader) {
if (shouldValidate(message)) {
//all serviceInfos have the same schemas
Schema schema = EndpointReferenceUtils.getSchema(service.getServiceInfos().get(0),
message.getExchange().getBus());
reader.setSchema(schema);
} else {
reader.setSchema(null); // if this is being called for an operation, then override the service level
}
}
/**
* Where an operation level validation type has been set, copy it to the message, so it can be interrogated
* by all downstream interceptors. It is expected that sub classes will call setDataReaderValidation subsequent
* to this to ensure the DataReader schema reference is updated as appropriate.
*
* @param bop
* @param message
* @param reader
* @see #setDataReaderValidation(Service, Message, DataReader)
*/
private void setOperationSchemaValidation(OperationInfo opInfo, Message message) {
if (opInfo != null) {
SchemaValidationType validationType =
(SchemaValidationType) opInfo.getProperty(Message.SCHEMA_VALIDATION_ENABLED);
if (validationType != null) {
message.put(Message.SCHEMA_VALIDATION_ENABLED, validationType);
}
}
}
protected DepthXMLStreamReader getXMLStreamReader(Message message) {
XMLStreamReader xr = message.getContent(XMLStreamReader.class);
if (xr == null) {
return null;
}
if (xr instanceof DepthXMLStreamReader) {
return (DepthXMLStreamReader) xr;
}
DepthXMLStreamReader dr = new DepthXMLStreamReader(xr);
message.setContent(XMLStreamReader.class, dr);
return dr;
}
/**
* Find the next possible message part in the message. If an operation in
* the list of operations is no longer a viable match, it will be removed
* from the Collection.
*
* @param exchange
* @param operations
* @param name
* @param client
* @param index
*/
protected MessagePartInfo findMessagePart(Exchange exchange, Collection operations,
QName name, boolean client, int index,
Message message) {
Endpoint ep = exchange.get(Endpoint.class);
MessagePartInfo lastChoice = null;
BindingOperationInfo lastBoi = null;
BindingMessageInfo lastMsgInfo = null;
BindingMessageInfo msgInfo = null;
BindingOperationInfo boi = null;
for (Iterator itr = operations.iterator(); itr.hasNext();) {
OperationInfo op = itr.next();
boi = ep.getEndpointInfo().getBinding().getOperation(op);
if (boi == null) {
continue;
}
if (client) {
msgInfo = boi.getOutput();
} else {
msgInfo = boi.getInput();
}
if (msgInfo == null) {
itr.remove();
continue;
}
Collection bodyParts = msgInfo.getMessageParts();
if (bodyParts.size() == 0 || bodyParts.size() <= index) {
itr.remove();
continue;
}
MessagePartInfo p = msgInfo.getMessageParts().get(index);
if (name.getNamespaceURI() == null || name.getNamespaceURI().length() == 0) {
// message part has same namespace with the message
name = new QName(p.getMessageInfo().getName().getNamespaceURI(), name.getLocalPart());
}
if (name.equals(p.getConcreteName())) {
exchange.put(BindingOperationInfo.class, boi);
exchange.put(OperationInfo.class, boi.getOperationInfo());
exchange.setOneWay(op.isOneWay());
return p;
}
if (XSD_ANY.equals(p.getTypeQName())) {
lastChoice = p;
lastBoi = boi;
lastMsgInfo = msgInfo;
} else {
itr.remove();
}
}
if (lastChoice != null) {
setMessage(message, lastBoi, client, lastBoi.getBinding().getService(),
lastMsgInfo.getMessageInfo());
}
return lastChoice;
}
protected MessageInfo setMessage(Message message, BindingOperationInfo operation,
boolean requestor, ServiceInfo si,
MessageInfo msgInfo) {
message.put(MessageInfo.class, msgInfo);
Exchange ex = message.getExchange();
ex.put(BindingOperationInfo.class, operation);
ex.put(OperationInfo.class, operation.getOperationInfo());
ex.setOneWay(operation.getOperationInfo().isOneWay());
//Set standard MessageContext properties required by JAX_WS, but not specific to JAX_WS.
boolean synthetic = Boolean.TRUE.equals(operation.getProperty("operation.is.synthetic"));
if (!synthetic) {
message.put(Message.WSDL_OPERATION, operation.getName());
}
// configure endpoint and operation level schema validation
setOperationSchemaValidation(operation.getOperationInfo(), message);
QName serviceQName = si.getName();
message.put(Message.WSDL_SERVICE, serviceQName);
QName interfaceQName = si.getInterface().getName();
message.put(Message.WSDL_INTERFACE, interfaceQName);
EndpointInfo endpointInfo = ex.getEndpoint().getEndpointInfo();
QName portQName = endpointInfo.getName();
message.put(Message.WSDL_PORT, portQName);
URI wsdlDescription = endpointInfo.getProperty("URI", URI.class);
if (wsdlDescription == null) {
String address = endpointInfo.getAddress();
try {
wsdlDescription = new URI(address + "?wsdl");
} catch (URISyntaxException e) {
//do nothing
}
endpointInfo.setProperty("URI", wsdlDescription);
}
message.put(Message.WSDL_DESCRIPTION, wsdlDescription);
return msgInfo;
}
/**
* Returns a BindingOperationInfo if the operation is indentified as
* a wrapped method, return null if it is not a wrapped method
* (i.e., it is a bare method)
*
* @param exchange
* @param name
* @param client
*/
protected BindingOperationInfo getBindingOperationInfo(Exchange exchange, QName name,
boolean client) {
String local = name.getLocalPart();
if (client && local.endsWith("Response")) {
local = local.substring(0, local.length() - 8);
}
// TODO: Allow overridden methods.
BindingOperationInfo bop = ServiceModelUtil.getOperation(exchange, local);
if (bop != null) {
exchange.put(BindingOperationInfo.class, bop);
exchange.put(OperationInfo.class, bop.getOperationInfo());
}
return bop;
}
protected MessageInfo getMessageInfo(Message message, BindingOperationInfo operation) {
return getMessageInfo(message, operation, isRequestor(message));
}
protected MessageInfo getMessageInfo(Message message, BindingOperationInfo operation, boolean requestor) {
MessageInfo msgInfo;
OperationInfo intfOp = operation.getOperationInfo();
if (requestor) {
msgInfo = intfOp.getOutput();
message.put(MessageInfo.class, intfOp.getOutput());
} else {
msgInfo = intfOp.getInput();
message.put(MessageInfo.class, intfOp.getInput());
}
return msgInfo;
}
}
