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/*
* Copyright (c) 1997, 2022 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.policy;
import com.sun.xml.ws.policy.privateutil.LocalizationMessages;
import com.sun.xml.ws.policy.privateutil.PolicyLogger;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import javax.xml.namespace.QName;
/**
* A PolicyMap holds all policies for a scope.
*
* This map is modeled around WSDL 1.1 policy scopes according to WS-PolicyAttachment. The map holds an information about
* every scope for service, endpoint, operation, and input/output/fault message. It also provide accessibility methods for
* computing and obtaining effective policy on each scope.
*
* TODO: rename createWsdlMessageScopeKey to createWsdlInputOutputMessageScopeKey
*
* @author Fabian Ritzmann
*/
public final class PolicyMap implements Iterable {
private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyMap.class);
private static final PolicyMapKeyHandler serviceKeyHandler = new PolicyMapKeyHandler() {
@Override
public boolean areEqual(final PolicyMapKey key1, final PolicyMapKey key2) {
return key1.getService().equals(key2.getService());
}
@Override
public int generateHashCode(final PolicyMapKey key) {
int result = 17;
result = 37 * result + key.getService().hashCode();
return result;
}
};
private static final PolicyMapKeyHandler endpointKeyHandler = new PolicyMapKeyHandler() {
@Override
public boolean areEqual(final PolicyMapKey key1, final PolicyMapKey key2) {
boolean retVal = true;
retVal = retVal && key1.getService().equals(key2.getService());
retVal = retVal && ((key1.getPort() == null) ? key2.getPort() == null : key1.getPort().equals(key2.getPort()));
return retVal;
}
@Override
public int generateHashCode(final PolicyMapKey key) {
int result = 17;
result = 37 * result + key.getService().hashCode();
result = 37 * result + ((key.getPort() == null) ? 0 : key.getPort().hashCode());
return result;
}
};
private static final PolicyMapKeyHandler operationAndInputOutputMessageKeyHandler = new PolicyMapKeyHandler() {
// we use the same algorithm to handle operation and input/output message keys
@Override
public boolean areEqual(final PolicyMapKey key1, final PolicyMapKey key2) {
boolean retVal = true;
retVal = retVal && key1.getService().equals(key2.getService());
retVal = retVal && ((key1.getPort() == null) ? key2.getPort() == null : key1.getPort().equals(key2.getPort()));
retVal = retVal && ((key1.getOperation() == null) ? key2.getOperation() == null : key1.getOperation().equals(key2.getOperation()));
return retVal;
}
@Override
public int generateHashCode(final PolicyMapKey key) {
int result = 17;
result = 37 * result + key.getService().hashCode();
result = 37 * result + ((key.getPort() == null) ? 0 : key.getPort().hashCode());
result = 37 * result + ((key.getOperation() == null) ? 0 : key.getOperation().hashCode());
return result;
}
};
private static final PolicyMapKeyHandler faultMessageHandler = new PolicyMapKeyHandler() {
@Override
public boolean areEqual(final PolicyMapKey key1, final PolicyMapKey key2) {
boolean retVal = true;
retVal = retVal && key1.getService().equals(key2.getService());
retVal = retVal && ((key1.getPort() == null) ? key2.getPort() == null : key1.getPort().equals(key2.getPort()));
retVal = retVal && ((key1.getOperation() == null) ? key2.getOperation() == null : key1.getOperation().equals(key2.getOperation()));
retVal = retVal && ((key1.getFaultMessage() == null) ? key2.getFaultMessage() == null : key1.getFaultMessage().equals(key2.getFaultMessage()));
return retVal;
}
@Override
public int generateHashCode(final PolicyMapKey key) {
int result = 17;
result = 37 * result + key.getService().hashCode();
result = 37 * result + ((key.getPort() == null) ? 0 : key.getPort().hashCode());
result = 37 * result + ((key.getOperation() == null) ? 0 : key.getOperation().hashCode());
result = 37 * result + ((key.getFaultMessage() == null) ? 0 : key.getFaultMessage().hashCode());
return result;
}
};
static enum ScopeType {
SERVICE,
ENDPOINT,
OPERATION,
INPUT_MESSAGE,
OUTPUT_MESSAGE,
FAULT_MESSAGE
}
private static final class ScopeMap implements Iterable {
private final Map internalMap = new HashMap<>();
private final PolicyMapKeyHandler scopeKeyHandler;
private final PolicyMerger merger;
ScopeMap(final PolicyMerger merger, final PolicyMapKeyHandler scopeKeyHandler) {
this.merger = merger;
this.scopeKeyHandler = scopeKeyHandler;
}
Policy getEffectivePolicy(final PolicyMapKey key) throws PolicyException {
final PolicyScope scope = internalMap.get(createLocalCopy(key));
return (scope == null) ? null : scope.getEffectivePolicy(merger);
}
void putSubject(final PolicyMapKey key, final PolicySubject subject) {
final PolicyMapKey localKey = createLocalCopy(key);
final PolicyScope scope = internalMap.get(localKey);
if (scope == null) {
final List list = new LinkedList<>();
list.add(subject);
internalMap.put(localKey, new PolicyScope(list));
} else {
scope.attach(subject);
}
}
void setNewEffectivePolicy(final PolicyMapKey key, final Policy newEffectivePolicy) {
// we add this policy map as a subject, because there is nothing reasonable we could add there, since
// this is an artificial policy subject
final PolicySubject subject = new PolicySubject(key, newEffectivePolicy);
final PolicyMapKey localKey = createLocalCopy(key);
final PolicyScope scope = internalMap.get(localKey);
if (scope == null) {
final List list = new LinkedList<>();
list.add(subject);
internalMap.put(localKey, new PolicyScope(list));
} else {
scope.dettachAllSubjects();
scope.attach(subject);
}
}
Collection getStoredScopes() {
return internalMap.values();
}
Set getAllKeys() {
return internalMap.keySet();
}
private PolicyMapKey createLocalCopy(final PolicyMapKey key) {
if (key == null) {
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0045_POLICY_MAP_KEY_MUST_NOT_BE_NULL()));
}
final PolicyMapKey localKeyCopy = new PolicyMapKey(key);
localKeyCopy.setHandler(scopeKeyHandler);
return localKeyCopy;
}
@Override
public Iterator iterator() {
return new Iterator<>() {
private final Iterator keysIterator = internalMap.keySet().iterator();
@Override
public boolean hasNext() {
return keysIterator.hasNext();
}
@Override
public Policy next() {
final PolicyMapKey key = keysIterator.next();
try {
return getEffectivePolicy(key);
} catch (PolicyException e) {
throw LOGGER.logSevereException(new IllegalStateException(LocalizationMessages.WSP_0069_EXCEPTION_WHILE_RETRIEVING_EFFECTIVE_POLICY_FOR_KEY(key), e));
}
}
@Override
public void remove() {
throw LOGGER.logSevereException(new UnsupportedOperationException(LocalizationMessages.WSP_0034_REMOVE_OPERATION_NOT_SUPPORTED()));
}
};
}
public boolean isEmpty() {
return internalMap.isEmpty();
}
@Override
public String toString() {
return internalMap.toString();
}
}
private static final PolicyMerger merger = PolicyMerger.getMerger();
private final ScopeMap serviceMap = new ScopeMap(merger, serviceKeyHandler);
private final ScopeMap endpointMap = new ScopeMap(merger, endpointKeyHandler);
private final ScopeMap operationMap = new ScopeMap(merger, operationAndInputOutputMessageKeyHandler);
private final ScopeMap inputMessageMap = new ScopeMap(merger, operationAndInputOutputMessageKeyHandler);
private final ScopeMap outputMessageMap = new ScopeMap(merger, operationAndInputOutputMessageKeyHandler);
private final ScopeMap faultMessageMap = new ScopeMap(merger, faultMessageHandler);
/**
* This constructor is private to prevent direct instantiation from outside of the class
*/
private PolicyMap() {
// nothing to initialize
}
/**
* Creates new policy map instance and connects provided collection of policy map mutators to the created policy map.
*
* @param mutators collection of mutators that should be connected to the newly created map.
* @return new policy map instance (mutable via provided collection of mutators).
*/
public static PolicyMap createPolicyMap(final Collection mutators) {
final PolicyMap result = new PolicyMap();
if (mutators != null && !mutators.isEmpty()) {
for (PolicyMapMutator mutator : mutators) {
mutator.connect(result);
}
}
return result;
}
public Policy getServiceEffectivePolicy(final PolicyMapKey key) throws PolicyException {
return serviceMap.getEffectivePolicy(key);
}
public Policy getEndpointEffectivePolicy(final PolicyMapKey key) throws PolicyException {
return endpointMap.getEffectivePolicy(key);
}
public Policy getOperationEffectivePolicy(final PolicyMapKey key) throws PolicyException {
return operationMap.getEffectivePolicy(key);
}
public Policy getInputMessageEffectivePolicy(final PolicyMapKey key) throws PolicyException {
return inputMessageMap.getEffectivePolicy(key);
}
public Policy getOutputMessageEffectivePolicy(final PolicyMapKey key) throws PolicyException {
return outputMessageMap.getEffectivePolicy(key);
}
public Policy getFaultMessageEffectivePolicy(final PolicyMapKey key) throws PolicyException {
return faultMessageMap.getEffectivePolicy(key);
}
/**
* Returns all service scope keys stored in this policy map
*
* @return collection of service scope policy map keys stored in the map.
*/
public Collection getAllServiceScopeKeys() {
return serviceMap.getAllKeys();
}
/**
* Returns all endpoint scope keys stored in this policy map
*
* @return collection of endpoint scope policy map keys stored in the map.
*/
public Collection getAllEndpointScopeKeys() {
return endpointMap.getAllKeys();
}
/**
* Returns all operation scope keys stored in this policy map
*
* @return collection of operation scope policy map keys stored in the map.
*/
public Collection getAllOperationScopeKeys() {
return operationMap.getAllKeys();
}
/**
* Returns all input message scope keys stored in this policy map
*
* @return collection of input message scope policy map keys stored in the map.
*/
public Collection getAllInputMessageScopeKeys() {
return inputMessageMap.getAllKeys();
}
/**
* Returns all output message scope keys stored in this policy map
*
* @return collection of output message scope policy map keys stored in the map.
*/
public Collection getAllOutputMessageScopeKeys() {
return outputMessageMap.getAllKeys();
}
/**
* Returns all fault message scope keys stored in this policy map
*
* @return collection of input message scope policy map keys stored in the map.
*/
public Collection getAllFaultMessageScopeKeys() {
return faultMessageMap.getAllKeys();
}
/**
* Places new subject into policy map under the scope identified by it's type and policy map key.
*
* @param scopeType the type of the scope the subject belongs to
* @param key a policy map key to be used to store the subject
* @param subject actual policy subject to be stored in the policy map
*
* @throws IllegalArgumentException in case the scope type is not recognized.
*/
void putSubject(final ScopeType scopeType, final PolicyMapKey key, final PolicySubject subject) {
switch (scopeType) {
case SERVICE:
serviceMap.putSubject(key, subject);
break;
case ENDPOINT:
endpointMap.putSubject(key, subject);
break;
case OPERATION:
operationMap.putSubject(key, subject);
break;
case INPUT_MESSAGE:
inputMessageMap.putSubject(key, subject);
break;
case OUTPUT_MESSAGE:
outputMessageMap.putSubject(key, subject);
break;
case FAULT_MESSAGE:
faultMessageMap.putSubject(key, subject);
break;
default:
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0002_UNRECOGNIZED_SCOPE_TYPE(scopeType)));
}
}
/**
* Replaces current effective policy on given scope (identified by a {@code key} parameter) with the new efective
* policy provided as a second input parameter. If no policy was defined for the presented key, the new policy is simply
* stored with the key.
*
* @param scopeType the type of the scope the subject belongs to. Must not be {@code null}.
* @param key identifier of the scope the effective policy should be replaced with the new one. Must not be {@code null}.
* @param newEffectivePolicy the new policy to replace the old effective policy of the scope. Must not be {@code null}.
*
* @throws IllegalArgumentException in case any of the input parameters is {@code null}
* or in case the scope type is not recognized.
*/
void setNewEffectivePolicyForScope(final ScopeType scopeType, final PolicyMapKey key, final Policy newEffectivePolicy) throws IllegalArgumentException {
if (scopeType == null || key == null || newEffectivePolicy == null) {
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0062_INPUT_PARAMS_MUST_NOT_BE_NULL()));
}
switch (scopeType) {
case SERVICE :
serviceMap.setNewEffectivePolicy(key, newEffectivePolicy);
break;
case ENDPOINT :
endpointMap.setNewEffectivePolicy(key, newEffectivePolicy);
break;
case OPERATION :
operationMap.setNewEffectivePolicy(key, newEffectivePolicy);
break;
case INPUT_MESSAGE :
inputMessageMap.setNewEffectivePolicy(key, newEffectivePolicy);
break;
case OUTPUT_MESSAGE :
outputMessageMap.setNewEffectivePolicy(key, newEffectivePolicy);
break;
case FAULT_MESSAGE :
faultMessageMap.setNewEffectivePolicy(key, newEffectivePolicy);
break;
default:
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0002_UNRECOGNIZED_SCOPE_TYPE(scopeType)));
}
}
/**
* Returns all policy subjects contained by this map.
*
* @return All policy subjects contained by this map
*/
public Collection getPolicySubjects() {
final List subjects = new LinkedList<>();
addSubjects(subjects, serviceMap);
addSubjects(subjects, endpointMap);
addSubjects(subjects, operationMap);
addSubjects(subjects, inputMessageMap);
addSubjects(subjects, outputMessageMap);
addSubjects(subjects, faultMessageMap);
return subjects;
}
/*
* TODO: reconsider this QUICK HACK
*/
public boolean isInputMessageSubject(final PolicySubject subject) {
for (PolicyScope scope : inputMessageMap.getStoredScopes()) {
if (scope.getPolicySubjects().contains(subject)) {
return true;
}
}
return false;
}
/*
* TODO: reconsider this QUICK HACK
*/
public boolean isOutputMessageSubject(final PolicySubject subject) {
for (PolicyScope scope : outputMessageMap.getStoredScopes()) {
if (scope.getPolicySubjects().contains(subject)) {
return true;
}
}
return false;
}
/*
* TODO: reconsider this QUICK HACK
*/
public boolean isFaultMessageSubject(final PolicySubject subject) {
for (PolicyScope scope : faultMessageMap.getStoredScopes()) {
if (scope.getPolicySubjects().contains(subject)) {
return true;
}
}
return false;
}
/**
* Returns true if this map contains no key - policy pairs
*
* A null object key or policy constitutes a non-empty map.
*
* @return true if this map contains no key - policy pairs
*/
public boolean isEmpty() {
return serviceMap.isEmpty() && endpointMap.isEmpty() &&
operationMap.isEmpty() && inputMessageMap.isEmpty() &&
outputMessageMap.isEmpty() && faultMessageMap.isEmpty();
}
/**
* Add all subjects in the given map to the collection
*
* @param subjects A collection that should hold subjects. The new subjects are added to the collection. Must not be {@code null}.
* @param scopeMap A scope map that holds policy scopes. The subjects are retrieved from the scope objects.
*/
private void addSubjects(final Collection subjects, final ScopeMap scopeMap) {
for (PolicyScope scope : scopeMap.getStoredScopes()) {
final Collection scopedSubjects = scope.getPolicySubjects();
subjects.addAll(scopedSubjects);
}
}
/**
* Creates a service policy scope locator object, that serves as a access key into
* a {@code PolicyMap} where actual service policy scope for given service can be retrieved.
*
* @param service qualified name of the service. Must not be {@code null}.
* @throws IllegalArgumentException in case service, port or operation parameter is {@code null}.
*/
public static PolicyMapKey createWsdlServiceScopeKey(final QName service) throws IllegalArgumentException {
if (service == null) {
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0031_SERVICE_PARAM_MUST_NOT_BE_NULL()));
}
return new PolicyMapKey(service, null, null, serviceKeyHandler);
}
/**
* Creates an endpoint policy scope locator object, that serves as a access key into
* a {@code PolicyMap} where actual endpoint policy scope for given endpoint can be retrieved.
*
* @param service qualified name of the service. Must not be {@code null}.
* @param port qualified name of the endpoint. Must not be {@code null}.
* @throws IllegalArgumentException in case service, port or operation parameter is {@code null}.
*/
public static PolicyMapKey createWsdlEndpointScopeKey(final QName service, final QName port) throws IllegalArgumentException {
if (service == null || port == null) {
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0033_SERVICE_AND_PORT_PARAM_MUST_NOT_BE_NULL(service, port)));
}
return new PolicyMapKey(service, port, null, endpointKeyHandler);
}
/**
* Creates an operation policy scope locator object, that serves as a access key into
* a {@code PolicyMap} where actual operation policy scope for given bound operation can be retrieved.
*
* @param service qualified name of the service. Must not be {@code null}.
* @param port qualified name of the endpoint. Must not be {@code null}.
* @param operation qualified name of the operation. Must not be {@code null}.
* @throws IllegalArgumentException in case service, port or operation parameter is {@code null}.
*/
public static PolicyMapKey createWsdlOperationScopeKey(final QName service, final QName port, final QName operation) throws IllegalArgumentException {
return createOperationOrInputOutputMessageKey(service, port, operation);
}
/**
* Creates an input/output message policy scope locator object identified by a bound operation, that serves as a
* access key into {@code PolicyMap} where actual input/output message policy scope for given input message of a bound operation
* can be retrieved.
*
* The method returns a key that is compliant with WSDL 1.1 Basic Profile Specification, according to which there
* should be no two operations with the same name in a single port type definition.
*
* @param service qualified name of the service. Must not be {@code null}.
* @param port qualified name of the endpoint. Must not be {@code null}.
* @param operation qualified name of the operation. Must not be {@code null}.
* @throws IllegalArgumentException in case service, port or operation parameter is {@code null}.
*
*/
public static PolicyMapKey createWsdlMessageScopeKey(final QName service, final QName port, final QName operation) throws IllegalArgumentException {
return createOperationOrInputOutputMessageKey(service, port, operation);
}
/**
* Creates a fault message policy scope locator object identified by a bound operation, that serves as a
* access key into {@code PolicyMap} where the actual fault message policy scope for one of the faults of a bound operation
* can be retrieved.
*
* The method returns a key that is compliant with the WSDL 1.1 Basic Profile Specification, according to which there
* should be no two operations with the same name in a single port type definition.
*
* @param service qualified name of the service. Must not be {@code null}.
* @param port qualified name of the endpoint. Must not be {@code null}.
* @param operation qualified name of the operation. Must not be {@code null}.
* @param fault qualified name of the fault. Do not confuse this with the name of the actual message. This parameter
* takes the wsdl:binding/wsdl:operation/wsdl:fault name and not the wsdl:message name. Must not be {@code null}.
* @throws IllegalArgumentException in case service, port or operation parameter is {@code null}.
*
*/
public static PolicyMapKey createWsdlFaultMessageScopeKey(final QName service, final QName port, final QName operation, final QName fault) throws IllegalArgumentException {
if (service == null || port == null || operation == null || fault == null) {
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0030_SERVICE_PORT_OPERATION_FAULT_MSG_PARAM_MUST_NOT_BE_NULL(service, port, operation, fault)));
}
return new PolicyMapKey(service, port, operation, fault, faultMessageHandler);
}
private static PolicyMapKey createOperationOrInputOutputMessageKey(final QName service, final QName port, final QName operation) {
if (service == null || port == null || operation == null) {
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0029_SERVICE_PORT_OPERATION_PARAM_MUST_NOT_BE_NULL(service, port, operation)));
}
return new PolicyMapKey(service, port, operation, operationAndInputOutputMessageKeyHandler);
}
@Override
public String toString(){
// TODO
final StringBuilder result = new StringBuilder();
if(null!=this.serviceMap) {
result.append("\nServiceMap=").append(this.serviceMap);
}
if(null!=this.endpointMap) {
result.append("\nEndpointMap=").append(this.endpointMap);
}
if(null!=this.operationMap) {
result.append("\nOperationMap=").append(this.operationMap);
}
if(null!=this.inputMessageMap) {
result.append("\nInputMessageMap=").append(this.inputMessageMap);
}
if(null!=this.outputMessageMap) {
result.append("\nOutputMessageMap=").append(this.outputMessageMap);
}
if(null!=this.faultMessageMap) {
result.append("\nFaultMessageMap=").append(this.faultMessageMap);
}
return result.toString();
}
@Override
public Iterator iterator() {
return new Iterator<>() {
private final Iterator> mainIterator;
private Iterator currentScopeIterator;
{ // instance initialization
final Collection> scopeIterators = new ArrayList<>(6);
scopeIterators.add(serviceMap.iterator());
scopeIterators.add(endpointMap.iterator());
scopeIterators.add(operationMap.iterator());
scopeIterators.add(inputMessageMap.iterator());
scopeIterators.add(outputMessageMap.iterator());
scopeIterators.add(faultMessageMap.iterator());
mainIterator = scopeIterators.iterator();
currentScopeIterator = mainIterator.next();
}
@Override
public boolean hasNext() {
while (!currentScopeIterator.hasNext()) {
if (mainIterator.hasNext()) {
currentScopeIterator = mainIterator.next();
} else {
return false;
}
}
return true;
}
@Override
public Policy next() {
if (hasNext()) {
return currentScopeIterator.next();
}
throw LOGGER.logSevereException(new NoSuchElementException(LocalizationMessages.WSP_0054_NO_MORE_ELEMS_IN_POLICY_MAP()));
}
@Override
public void remove() {
throw LOGGER.logSevereException(new UnsupportedOperationException(LocalizationMessages.WSP_0034_REMOVE_OPERATION_NOT_SUPPORTED()));
}
};
}
}