/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* Licensed 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.ws.policy.util;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import javax.xml.namespace.QName;
import org.apache.ws.policy.AndCompositeAssertion;
import org.apache.ws.policy.Assertion;
import org.apache.ws.policy.Policy;
import org.apache.ws.policy.PolicyReference;
import org.apache.ws.policy.PrimitiveAssertion;
import org.apache.ws.policy.XorCompositeAssertion;
public class PolicyComparator {
public static boolean compare(Policy arg1, Policy arg2) {
if (arg1.getId() == null && arg2.getId() != null
|| arg1.getId() != null && arg1.getId() == null) {
return false;
}
if (arg1.getId() != null) {
if (!arg1.getId().equals(arg2.getId())) {
return false;
}
}
if (arg1.getBase() == null && arg2.getBase() != null
|| arg1.getBase() != null && arg1.getBase() == null) {
return false;
}
if (arg1.getBase() != null) {
if (!arg1.getBase().equals(arg2.getBase())) {
return false;
}
}
return compare(arg1.getTerms(), arg2.getTerms());
}
public static boolean compare(Assertion arg1, Assertion arg2) {
if (! arg1.getClass().equals(arg2.getClass())) {
return false;
}
if (arg1 instanceof Policy) {
return compare((Policy) arg1, (Policy) arg2);
} else if (arg1 instanceof PolicyReference) {
return compare((PolicyReference) arg1, (PolicyReference) arg2);
} else if (arg1 instanceof AndCompositeAssertion) {
return compare((AndCompositeAssertion) arg1,
(AndCompositeAssertion) arg2);
} else if (arg1 instanceof XorCompositeAssertion) {
return compare((XorCompositeAssertion) arg1,
(XorCompositeAssertion) arg2);
} else if (arg1 instanceof PrimitiveAssertion) {
return compare((PrimitiveAssertion) arg1, (PrimitiveAssertion) arg2);
} else {
// TODO should I throw an exception ..
}
return false;
}
public static boolean compare(PolicyReference arg1, PolicyReference arg2) {
return arg1.getPolicyURIString().equals(arg2.getPolicyURIString());
}
public static boolean compare(AndCompositeAssertion arg1,
AndCompositeAssertion arg2) {
return compare(arg1.getTerms(), arg2.getTerms());
}
public static boolean compare(XorCompositeAssertion arg1,
XorCompositeAssertion arg2) {
return compare(arg1.getTerms(), arg2.getTerms());
}
public static boolean compare(PrimitiveAssertion arg1,
PrimitiveAssertion arg2) {
if (!(arg1.getName().equals(arg2.getName()))) {
return false;
}
if (arg1.getStrValue() != null) {
String arg1Str = arg1.getStrValue().trim();
if (arg2.getStrValue() == null) {
return false;
} else {
String arg2Str = arg2.getStrValue().trim();
if (! arg1Str.equals(arg2Str)) {
return false;}
}
}
// if ((arg1.getStrValue() == null || arg1.getStrValue().trim() == "") && (arg2.getStrValue() != null && arg2.getStrValue().trim() != "")
// || (arg1.getStrValue() != null && arg1.getStrValue().trim() == "") && (arg1.getStrValue() == null || arg1.getStrValue().trim() == "")) {
// return false;
// }
return compare(arg1.getTerms(), arg2.getTerms());
}
private static boolean compare(List arg1, List arg2) {
if (arg1.size() != arg2.size()) {
return false;
}
Iterator iterator = arg1.iterator();
Assertion assertion1;
while (iterator.hasNext()) {
assertion1 = (Assertion) iterator.next();
Iterator iterator2 = arg2.iterator();
boolean match = false;
Assertion assertion2;
while (iterator2.hasNext()) {
assertion2 = (Assertion) iterator2.next();
if (compare(assertion1, assertion2)) {
match = true;
break;
}
}
if (!match) {
return false;
}
}
return true;
}
private static boolean compare(Hashtable arg1, Hashtable arg2) {
if (arg1.size() != arg2.size()) {
return false;
}
Iterator iterator1 = arg1.keySet().iterator();
while (iterator1.hasNext()) {
QName qname = (QName) iterator1.next();
if (arg2.get(qname) == null
|| !arg1.get(qname).equals(arg2.get(qname))) {
return false;
}
}
return true;
}
}