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ProviderConfigurationXMLFileProcessor.java
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ProviderConfigurationXMLFileProcessor.java
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/*
* Copyright (c) 2007, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package ee.jakarta.tck.authentication.test.basic.sam;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.Vector;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
/**
*
* @author Raja Perumal
*/
public class ProviderConfigurationXMLFileProcessor {
private static Collection<ProviderConfigurationEntry> providerConfigurationEntriesCollection = new Vector<ProviderConfigurationEntry>();
private static Document document = null;
private static File providerConfigFile = null;
/** Creates a new instance of ProviderConfigurationXMLFileReader */
public ProviderConfigurationXMLFileProcessor(String fileName) throws Exception {
try {
providerConfigurationEntriesCollection.clear(); // XXXX:
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
documentBuilder.setEntityResolver(new DTDResolver());
if (fileName != null)
providerConfigFile = new File(fileName);
if (!providerConfigFile.exists()) {
throw new Exception("Provider Config File : " + fileName + " does not exists");
} else {
FileInputStream fis = new FileInputStream(providerConfigFile);
// Parse of the content of the file into Document
document = documentBuilder.parse(fis);
// get the root element "provider-config"
Element rootElement = document.getDocumentElement();
// get the childNodes inside the rootElement
// The ChildNodes are instances of "provider-config-entry" elements
NodeList nodes = rootElement.getChildNodes();
// For each "provider-config-entry" element load all the properties
// and add the ProviderConfigurationEntry into the collection
setProviderConfigEntryCollection(nodes);
}
} catch (ParserConfigurationException pce) {
throw new Exception("PaserConfigurationException :" + pce.getMessage());
} catch (SAXException se) {
throw new Exception("SAXException :" + se.getMessage());
} catch (IOException ioe) {
throw new Exception("IOException :" + ioe.getMessage());
} catch (SecurityException se) {
throw new Exception("SecurityException :" + se.getMessage());
}
}
private void setProviderConfigEntryCollection(NodeList nodes) throws Exception {
Node providerConfigEntryNode;
NodeList providerConfigEntryNodeChildren;
for (int i = 0; i < nodes.getLength(); i++) {
// Take the first node
providerConfigEntryNode = nodes.item(i);
providerConfigEntryNodeChildren = providerConfigEntryNode.getChildNodes();
// Skip empty text node processing
if (providerConfigEntryNode.getNodeName().equals("#text"))
continue;
ProviderConfigurationEntry pce = new ProviderConfigurationEntry(providerConfigEntryNode);
providerConfigurationEntriesCollection.add(pce);
}
}
public Collection<ProviderConfigurationEntry> getProviderConfigurationEntriesCollection() {
return providerConfigurationEntriesCollection;
}
// This method creates a new provider-config-entry node and adds it to the
// root (provider-config) element.
// On successful insertion of provider-config-entry this method returns true
public static boolean addProviderConfigEntry(String className, Map props, String messageLayer, String appContextId, String description) {
boolean result = false;
Node providerConfigEntry = createProviderConfigEntry(className, props, messageLayer, appContextId, description);
boolean alreadyExists = checkIfAlreadyPresent(providerConfigEntry);
// If the currentNode doesn't exists in the configuration file then
// add the current node
if (!alreadyExists) {
// get the root element "provider-config"
Element rootElement = document.getDocumentElement();
try {
rootElement.appendChild(providerConfigEntry);
updateProviderConfigurationXMLFile();
result = true;
} catch (DOMException dome) {
result = false;
}
}
return result;
}
// This method creates a new provider-config-entry node
//
public static Node createProviderConfigEntry(String className, Map props, String messageLayer, String appContextId, String description) {
Element providerConfigEntry = null;
// get the root element "provider-config"
Element rootElement = document.getDocumentElement();
// create provider-config-entry
providerConfigEntry = (Element) document.createElement("provider-config-entry");
if (className != null) {
// create provider-class
Element providerClassEntry = (Element) document.createElement("provider-class");
Text classNameText = document.createTextNode(className);
providerClassEntry.appendChild(classNameText);
// Add provider-class to provider-config-entry
providerConfigEntry.appendChild(providerClassEntry);
}
if (props != null) {
// create properties
Element propertiesNode = (Element) document.createElement("properties");
// Iterate through the map of properties(props) and add all the
// entries
Set entries = props.entrySet();
Iterator iterator = entries.iterator();
while (iterator.hasNext()) {
Map.Entry entry = (Map.Entry) iterator.next();
Element entryNode = (Element) document.createElement("entry");
entryNode.setAttribute("key", entry.getKey().toString());
Text keyValueText = document.createTextNode(entry.getValue().toString());
entryNode.appendChild(keyValueText);
propertiesNode.appendChild(entryNode);
// System.out.println(entry.getKey() + " : "
// + entry.getValue());
}
providerConfigEntry.appendChild(propertiesNode);
}
if (messageLayer != null) {
// create message-layer
Element messageLayerEntry = (Element) document.createElement("message-layer");
Text messageLayerText = document.createTextNode(messageLayer);
messageLayerEntry.appendChild(messageLayerText);
// Add message-layer to provider-config-entry
providerConfigEntry.appendChild(messageLayerEntry);
}
if (appContextId != null) {
// create app-context-id
Element appContextIdEntry = (Element) document.createElement("app-context-id");
Text appContextIdText = document.createTextNode(appContextId);
appContextIdEntry.appendChild(appContextIdText);
// Add app-context-id to provider-config-entry
providerConfigEntry.appendChild(appContextIdEntry);
}
if (description != null) {
// create reg-description
Element regDescriptionEntry = (Element) document.createElement("reg-description");
Text regDescriptionText = document.createTextNode(description);
regDescriptionEntry.appendChild(regDescriptionText);
// Add provider-class to provider-config-entry
providerConfigEntry.appendChild(regDescriptionEntry);
}
return providerConfigEntry;
}
// This method uses the given string (className, messageLayer,
// appContextId and description) and compares them with the contents of
// provider-config-entry nodes, if the given strings matches for a given node
// then that node will be deleted. This method return false if the given
// strings doesn't match with any of the provider-config-entry nodes.
public static boolean deleteProviderConfigEntry(String className, String messageLayer, String appContextId, String description) {
boolean result = false;
Node providerConfigEntry = createProviderConfigEntry(className, null, messageLayer, appContextId, description);
boolean alreadyExists = checkIfAlreadyPresent(providerConfigEntry);
// get the root element "provider-config"
Element rootElement = document.getDocumentElement();
if (alreadyExists) {
try {
rootElement.removeChild(providerConfigEntry);
updateProviderConfigurationXMLFile();
result = true;
} catch (DOMException dome) {
result = false;
}
}
return result;
}
// This method uses the given string (className, messageLayer,
// appContextId and description) and compares them with the contents of
// provider-config-entry nodes, if the all strings matches for a given node
// then this method returns the corresponding provider-config-entry node,
// if the given strings doesn't match with any of the provider-config-entry
// node then this method returns null
public static boolean checkIfAlreadyPresent(Node node) {
Node topLevelChildNode = null;
String topLevelNodeName;
boolean result = false;
// get the root element "provider-config"
Element rootElement = document.getDocumentElement();
NodeList nodes = rootElement.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
topLevelChildNode = nodes.item(i);
topLevelNodeName = topLevelChildNode.getNodeName();
// Skip empty text node processing
if (topLevelNodeName.equals("#text"))
continue;
// Check whether the given node is same as the current
// provider-config-entry node
if (topLevelNodeName.equals("provider-config-entry")) {
topLevelChildNode.normalize();
node.normalize();
// printNode(topLevelChildNode, i );
// printNode(node, i);
if (compareNode(topLevelChildNode, node)) {
return true;
}
}
}
return result;
}
private static boolean compareNode(Node source, Node target) {
NodeList topLevelChildren;
Node childNode;
String nodeName;
boolean classNameMatch = false;
boolean propertiesMatch = true;
boolean messageLayerMatch = false;
boolean appContextIdMatch = false;
boolean descriptionMatch = false;
String className = null;
String messageLayer = null;
String appContextId = null;
Map properties = null;
String description = null;
String targetClassName = null;
String targetMessageLayer = null;
String targetAppContextId = null;
String targetDescription = null;
// get the root element "provider-config"
// Process Source node and get className, messageLayer,
// properties, appContextId and description values
topLevelChildren = source.getChildNodes();
for (int j = 0; j < topLevelChildren.getLength(); j++) {
childNode = topLevelChildren.item(j);
nodeName = childNode.getNodeName();
// Skip empty text node processing
if (nodeName.equals("#text"))
continue;
if (nodeName.equals("provider-class")) {
className = childNode.getFirstChild().getNodeValue().trim();
}
if (nodeName.equals("properties")) {
properties = getPropertiesMap(childNode);
} else if (nodeName.equals("message-layer")) {
messageLayer = childNode.getFirstChild().getNodeValue().trim();
} else if (nodeName.equals("app-context-id")) {
appContextId = childNode.getFirstChild().getNodeValue().trim();
} else if (nodeName.equals("reg-description")) {
description = childNode.getFirstChild().getNodeValue().trim();
}
}
// Process target node and get className, messageLayer,
// properties, appContextId and description values
topLevelChildren = target.getChildNodes();
for (int j = 0; j < topLevelChildren.getLength(); j++) {
childNode = topLevelChildren.item(j);
nodeName = childNode.getNodeName();
// Skip empty text node processing
if (nodeName.equals("#text"))
continue;
if (nodeName.equals("provider-class")) {
targetClassName = childNode.getFirstChild().getNodeValue().trim();
}
if (nodeName.equals("properties")) {
// targetProperties=getPropertiesMap(childNode);
// propertiesMatch = matchProperties(childNode, properties);
} else if (nodeName.equals("message-layer")) {
targetMessageLayer = childNode.getFirstChild().getNodeValue().trim();
} else if (nodeName.equals("app-context-id")) {
targetAppContextId = childNode.getFirstChild().getNodeValue().trim();
} else if (nodeName.equals("reg-description")) {
targetDescription = childNode.getFirstChild().getNodeValue().trim();
}
}
if (stringCompare(className, targetClassName)) {
classNameMatch = true;
}
if (stringCompare(messageLayer, targetMessageLayer)) {
messageLayerMatch = true;
}
if (stringCompare(appContextId, targetAppContextId)) {
appContextIdMatch = true;
}
if (stringCompare(description, targetDescription)) {
descriptionMatch = true;
}
if (classNameMatch && propertiesMatch && messageLayerMatch && appContextIdMatch && descriptionMatch) {
// if both node values are same then return true;
return true;
}
return false;
}
private static boolean stringCompare(String source, String target) {
boolean result = false;
if ((source == null) && (target == null)) {
result = true;
} else if ((source != null) && target != null) {
if (source.equals(target)) {
result = true;
}
}
return result;
}
// This method reads a Properties node such as the one shown below
// and returns properties Map from its values
//
// <properties>
// <entry key="AuthStatus_SEND_SUCCESS">true</entry>
// <entry key="requestPolicy">USER_NAME_PASSWORD</entry>
// </properties>
private static Map getPropertiesMap(Node node) {
Node topLevelChildNode = null;
String topLevelNodeName;
String key = null;
String value = null;
NamedNodeMap namedNodeMap = null;
Map nodeProperties = new Properties();
NodeList nodes = node.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
topLevelChildNode = nodes.item(i);
topLevelNodeName = topLevelChildNode.getNodeName();
// Skip empty text node processing
if (topLevelNodeName.equals("#text"))
continue;
if (topLevelNodeName.equals("entry")) {
namedNodeMap = topLevelChildNode.getAttributes();
Node tempKeyNode = namedNodeMap.getNamedItem("key");
key = tempKeyNode.getNodeValue();
value = topLevelChildNode.getFirstChild().getNodeValue();
nodeProperties.put(key, value);
}
}
return nodeProperties;
}
// This method reads a Properties node such as the one shown below
// and constructs a properties Map from its values and compares that map with
// the passed verifyProperties Map, if both are equal this
// method returns true else false
//
// <properties>
// <entry key="AuthStatus_SEND_SUCCESS">true</entry>
// <entry key="requestPolicy">USER_NAME_PASSWORD</entry>
// </properties>
private static boolean matchProperties(Node node, Map verifyProperties) {
Node topLevelChildNode = null;
String topLevelNodeName;
String key = null;
String value = null;
NamedNodeMap namedNodeMap = null;
Map nodeProperties = new Properties();
boolean result = false;
NodeList nodes = node.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
topLevelChildNode = nodes.item(i);
topLevelNodeName = topLevelChildNode.getNodeName();
// Skip empty text node processing
if (topLevelNodeName.equals("#text"))
continue;
if (topLevelNodeName.equals("entry")) {
namedNodeMap = topLevelChildNode.getAttributes();
Node tempKeyNode = namedNodeMap.getNamedItem("key");
key = tempKeyNode.getNodeValue();
value = topLevelChildNode.getFirstChild().getNodeValue();
nodeProperties.put(key, value);
}
}
if (nodeProperties.equals(verifyProperties))
result = true;
return result;
}
private static void updateProviderConfigurationXMLFile() {
// Style Sheet to indent a given XML file
String styleSheet = "<xsl:stylesheet " + " xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" "
+ " xmlns:xalan=\"http://xml.apache.org/xslt\">"
+ " <xsl:output method=\"xml\" indent=\"yes\" xalan:indent-amount=\"4\"/>" + " <xsl:template match=\"* | @*\">"
+ " <xsl:copy>" + " <xsl:copy-of select=\"@*\"/>" + " <xsl:apply-templates/>" + " </xsl:copy>"
+ " </xsl:template>" + "</xsl:stylesheet>";
try {
StreamSource styleSource = new StreamSource(new ByteArrayInputStream(styleSheet.getBytes()));
// Use a Transformer for output
TransformerFactory tFactory = TransformerFactory.newInstance();
// Apply transformation specified by the stylesheet to indent the
// generated XML file
Transformer transformer = tFactory.newTransformer(styleSource);
// If indentation affects performance, then we can also use
// simple transformation as shown below
// Transformer transformer = tFactory.newFtransformer();
DOMSource source = new DOMSource(document);
// Get the DOCTYPE
String systemValue = (new File(document.getDoctype().getSystemId())).getName();
// Delete the original ProviderConfiguration file
if (providerConfigFile.exists()) {
providerConfigFile.delete();
providerConfigFile.createNewFile();
}
FileOutputStream fos = new FileOutputStream(providerConfigFile);
// StreamResult result = new StreamResult(System.out);
StreamResult result = new StreamResult(fos);
// Add Doctype to the output xml file
transformer.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, systemValue);
// Indent the XML file
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
// set the output type as xml
transformer.setOutputProperty(OutputKeys.METHOD, "xml");
// Do identity transformation into the result stream
transformer.transform(source, result);
fos.close();
} catch (TransformerConfigurationException tce) {
// Error generated by the parser
System.out.println("\n** Transformer Factory error");
System.out.println(" " + tce.getMessage());
// Use the contained exception, if any
Throwable x = tce;
if (tce.getException() != null)
x = tce.getException();
x.printStackTrace();
} catch (TransformerException te) {
// Error generated by the parser
System.out.println("\n** Transformation error");
System.out.println(" " + te.getMessage());
// Use the contained exception, if any
Throwable x = te;
if (te.getException() != null)
x = te.getException();
x.printStackTrace();
} catch (IOException ioe) {
// I/O error
ioe.printStackTrace();
}
}
private static void printNodes(NodeList nodes) {
Node topLevelChildNode;
String topLevelNodeName;
int nodeCount = 1;
for (int i = 0; i < nodes.getLength(); i++) {
topLevelChildNode = nodes.item(i);
topLevelNodeName = topLevelChildNode.getNodeName();
// Skip empty text node processing
if (topLevelNodeName.equals("#text"))
continue;
printNode(topLevelChildNode, nodeCount++);
}
}
private static void printNode(Node node, int index) {
Node childNode;
String nodeName;
NodeList topLevelChildren;
System.out.println(" ");
topLevelChildren = node.getChildNodes();
for (int j = 0; j < topLevelChildren.getLength(); j++) {
childNode = topLevelChildren.item(j);
nodeName = childNode.getNodeName();
// Skip empty text node processing
if (nodeName.equals("#text"))
continue;
if (nodeName.equals("provider-class")) {
System.out.println(index + " ) " + "provider-class = " + getText(childNode));
} else if (nodeName.equals("properties")) {
printProperties(childNode);
} else if (nodeName.equals("message-layer")) {
System.out.println(index + " ) " + "message-layer = " + getText(childNode));
} else if (nodeName.equals("app-context-id")) {
System.out.println(index + " ) " + "app-context-id = " + getText(childNode));
} else if (nodeName.equals("reg-description")) {
System.out.println(index + " ) " + "reg-description = " + getText(childNode));
}
}
System.out.println("-----------------");
}
// This method prints a Properties node such as the one shown below
//
// <properties>
// <entry key="AuthStatus_SEND_SUCCESS">true</entry>
// <entry key="requestPolicy">USER_NAME_PASSWORD</entry>
// </properties>
private static void printProperties(Node node) {
Node topLevelChildNode = null;
String topLevelNodeName;
String key = null;
String value = null;
NamedNodeMap namedNodeMap = null;
Properties nodeProperties = new Properties();
NodeList nodes = node.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
topLevelChildNode = nodes.item(i);
topLevelNodeName = topLevelChildNode.getNodeName();
// Skip empty text node processing
if (topLevelNodeName.equals("#text"))
continue;
if (topLevelNodeName.equals("entry")) {
namedNodeMap = topLevelChildNode.getAttributes();
Node tempKeyNode = namedNodeMap.getNamedItem("key");
key = tempKeyNode.getNodeValue();
value = topLevelChildNode.getFirstChild().getNodeValue();
nodeProperties.put(key, value);
}
}
if ((nodeProperties != null) && (!nodeProperties.isEmpty())) {
nodeProperties.list(System.out);
} else {
System.out.println("No Properties to list");
}
}
private static String getText(Node textNode) {
String result = "";
NodeList nodes = textNode.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
Node node = nodes.item(i);
if (node.getNodeType() == Node.TEXT_NODE) {
result = node.getNodeValue();
break;
}
}
if (result != null)
result = result.trim();
return result;
}
public class DTDResolver implements EntityResolver {
public InputSource resolveEntity(String publicID, String systemId) throws SAXException {
String providerConfigurationFile = null;
String providerConfigurationFileLocation = null;
int indexof = 0;
// Obtain the full path for the location of ProviderConfiguration.xml file
// From this value identify the directory of this file using indexOf()
providerConfigurationFile = System.getProperty("provider.configuration.file");
if (providerConfigurationFile != null) {
indexof = providerConfigurationFile.indexOf("ProviderConfiguration.xml");
if (indexof > 0) {
// Get the directory location of ProviderConfiguration.xml file
providerConfigurationFileLocation = providerConfigurationFile.substring(0, indexof);
}
if (systemId.contains("provider-configuration.xsd")) {
// location of schema is at <javaee.home.ri>/lib/schemas(from ts.jte)
String schemaLocation = System.getProperty("schema.file.location");
return new InputSource(schemaLocation + File.separator + "provider-configuration.xsd");
}
}
// if there is no match
return null;
}
}
}