/* See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* Esri Inc. 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 com.esri.gpt.server.assertion.components;
import com.esri.gpt.framework.context.ConfigurationException;
import com.esri.gpt.framework.util.Val;
import com.esri.gpt.server.assertion.exception.AsnInvalidOperationException;
import de.tudresden.gis.manage.http.HttpHelperMethods;
import java.util.ArrayList;
import java.util.List;
/**
* Represents a collection of configured assertion operations.
*/
public class AsnOperations {
/** instance variables ====================================================== */
private List<AsnOperation> operations = new ArrayList<AsnOperation>();
/** constructors ============================================================ */
/** Default constructor */
public AsnOperations() {}
/** methods ================================================================= */
/**
* Adds a configured operation to the collection.
* @param operation the operation to add
*/
public void add(AsnOperation operation) {
if (operation == null) {
throw new IllegalArgumentException("The operation cannot be null.");
} else if (operation.getSubject() == null) {
throw new ConfigurationException("The operation.subject cannot be null.");
} else if (operation.getPredicate() == null) {
throw new ConfigurationException("The operation.predicate cannot be null.");
} else if (operation.getAuthPolicy() == null) {
throw new ConfigurationException("The operation.authPolicy cannot be null.");
}
this.operations.add(operation);
}
/**
* Makes the operation associated with the assertion request.
* @param context the assertion operation context
* @return the associated operation
* @throws AsnInvalidOperationException if the subject/predicate combination was invalid
*/
public AsnOperation makeOperation(AsnContext context)
throws AsnInvalidOperationException {
AsnOperation operation = null;
// determine the the operation based upon the subject and predicate
String subjectURN = Val.chkStr(context.getRequestOptions().getSubject());
String predicateURN = Val.chkStr(context.getRequestOptions().getPredicate());
boolean wasSubjectRecognized = false;
boolean wasPredicateRecognized = false;
if (subjectURN.length() == 0) {
throw new AsnInvalidOperationException("The subject URN was empty.");
} else if (predicateURN.length() == 0) {
throw new AsnInvalidOperationException("The predicate URN was empty.");
} else {
for (AsnOperation configuredOp: this.operations) {
AsnSubject subject = configuredOp.getSubject();
AsnPredicate predicate = configuredOp.getPredicate();
if ((subject != null) && (predicate != null)) {
boolean subjectFound = false;
String stPfx = Val.chkStr(subject.getURNPrefix());
if (subject.getRequiresValuePart()) {
if (!stPfx.endsWith(":")) stPfx += ":";
subjectFound = subjectURN.startsWith(stPfx);
} else {
subjectFound = subjectURN.equals(stPfx);
}
if (subjectFound) {
wasSubjectRecognized = true;
String ptUrn = Val.chkStr(predicate.getURN());
if (predicateURN.equals(ptUrn)) {
wasPredicateRecognized = true;
if (subject.getRequiresValuePart()) {
String subjValuePart = subjectURN.substring(stPfx.length());
if (subjValuePart.length() == 0) {
String msg = "The value part of the subject URN was empty "+subjectURN;
throw new AsnInvalidOperationException(msg);
} else {
operation = configuredOp.duplicate();
operation.getSubject().setURN(subjectURN);
operation.getSubject().setValuePart(subjValuePart);
}
} else {
operation = configuredOp.duplicate();
operation.getSubject().setURN(subjectURN);
}
}
} else if (!wasPredicateRecognized) {
String ptUrn = Val.chkStr(predicate.getURN());
if (predicateURN.equals(ptUrn)) {
wasPredicateRecognized = true;
}
}
}
}
}
if (operation == null) {
if (!wasSubjectRecognized) {
String msg = "The subject URN was not recognized "+subjectURN;
throw new AsnInvalidOperationException(msg);
} else if (!wasPredicateRecognized) {
String msg = "The predicate URN was not recognized "+predicateURN;
throw new AsnInvalidOperationException(msg);
} else {
throw new AsnInvalidOperationException();
}
} else {
return operation;
}
}
/**
* Makes the operation associated with subject and predicate string
* @param subject
* @param predicate
* @return
* @throws AsnInvalidOperationException
*/
public AsnOperation makeOperation(String subjectIn, String predicateIn)
throws AsnInvalidOperationException {
AsnOperation operation = null;
// determine the the operation based upon the subject and predicate
String subjectURN = subjectIn;//"urn:esri:geoportal:resourceid:{C88820AA-A071-4F3D-BCEB-6BAF39DB1635}";//Val.chkStr(context.getRequestOptions().getSubject());
String predicateURN = predicateIn;//"urn:esri:geoportal:rating:query";//Val.chkStr(context.getRequestOptions().getPredicate());
boolean wasSubjectRecognized = false;
boolean wasPredicateRecognized = false;
if (subjectURN.length() == 0) {
throw new AsnInvalidOperationException("The subject URN was empty.");
} else if (predicateURN.length() == 0) {
throw new AsnInvalidOperationException("The predicate URN was empty.");
} else {
for (AsnOperation configuredOp: this.operations) {
AsnSubject subject = configuredOp.getSubject();
AsnPredicate predicate = configuredOp.getPredicate();
if ((subject != null) && (predicate != null)) {
boolean subjectFound = false;
String stPfx = Val.chkStr(subject.getURNPrefix());
if (subject.getRequiresValuePart()) {
if (!stPfx.endsWith(":")) stPfx += ":";
subjectFound = subjectURN.startsWith(stPfx);
} else {
subjectFound = subjectURN.equals(stPfx);
}
if (subjectFound) {
wasSubjectRecognized = true;
String ptUrn = Val.chkStr(predicate.getURN());
if (predicateURN.equals(ptUrn)) {
wasPredicateRecognized = true;
if (subject.getRequiresValuePart()) {
String subjValuePart = subjectURN.substring(stPfx.length());
if (subjValuePart.length() == 0) {
String msg = "The value part of the subject URN was empty "+subjectURN;
throw new AsnInvalidOperationException(msg);
} else {
operation = configuredOp.duplicate();
operation.getSubject().setURN(subjectURN);
operation.getSubject().setValuePart(subjValuePart);
}
} else {
operation = configuredOp.duplicate();
operation.getSubject().setURN(subjectURN);
}
}
} else if (!wasPredicateRecognized) {
String ptUrn = Val.chkStr(predicate.getURN());
if (predicateURN.equals(ptUrn)) {
wasPredicateRecognized = true;
}
}
}
}
}
if (operation == null) {
if (!wasSubjectRecognized) {
String msg = "The subject URN was not recognized "+subjectURN;
throw new AsnInvalidOperationException(msg);
} else if (!wasPredicateRecognized) {
String msg = "The predicate URN was not recognized "+predicateURN;
throw new AsnInvalidOperationException(msg);
} else {
throw new AsnInvalidOperationException();
}
} else {
return operation;
}
}
/**
* Returns the list of operations.
* @return the list of operations
*/
public List<AsnOperation> values() {
return this.operations;
}
}