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com.sun.enterprise.universal.xml.MiniXmlParser Maven / Gradle / Ivy
/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
* Copyright (c) 2008, 2018 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 com.sun.enterprise.universal.xml;
import com.sun.common.util.logging.LoggingConfigImpl;
import com.sun.enterprise.universal.glassfish.GFLauncherUtils;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
import com.sun.enterprise.util.HostAndPort;
import com.sun.enterprise.util.StringUtils;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLResolver;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.glassfish.main.jul.handler.GlassFishLogHandlerProperty;
import static javax.xml.stream.XMLStreamConstants.END_DOCUMENT;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
/**
* A fairly simple but very specific stax XML Parser. Give it the location of domain.xml and the name of the server
* instance and it will return JVM options. Currently it is all package private.
*
* @author bnevins
*/
public class MiniXmlParser {
private static final String DEFAULT_ADMIN_VS_ID = "__asadmin";
private static final String DEFAULT_VS_ID = "server";
private final LoggingConfigImpl loggingConfig = new LoggingConfigImpl();
private final File domainXml;
private final String serverName;
private XMLStreamReader parser;
private InputStreamReader reader;
private String configRef;
private final List jvmOptions = new ArrayList<>();
private final List profilerJvmOptions = new ArrayList<>();
private Map javaConfig;
private Map profilerConfig = Collections.emptyMap();
private final Map profilerSysProps = new HashMap<>();
private boolean valid = false;
private final List adminAddresses = new ArrayList<>();
private String domainName;
private static final LocalStringsImpl strings = new LocalStringsImpl(MiniXmlParser.class);
private boolean monitoringEnabled = true; // Issue 12762 Absent element means monitoring-enabled=true by default
private String adminRealm = null;
private Map adminRealmProperties = null;
private final List> vsAttributes = new ArrayList<>();
private final List> listenerAttributes = new ArrayList<>();
private final List> protocolAttributes = new ArrayList<>();
private boolean sawNetworkConfig;
private boolean sawDefaultConfig;
private boolean sawConfig;
private final SysPropsHandler sysProps = new SysPropsHandler();
private List clusters = null;
private boolean secureAdminEnabled = false;
public MiniXmlParser(File domainXml) throws MiniXmlParserException {
this(domainXml, "server"); // default for a domain
}
public MiniXmlParser(File domainXml, String serverName) throws MiniXmlParserException {
this.serverName = serverName;
this.domainXml = domainXml;
try {
read();
if (!sawConfig) {
throw new EndDocumentException(); // handled just below...
}
valid = true;
} catch (EndDocumentException e) {
throw new MiniXmlParserException(strings.get("enddocument", configRef, serverName));
} catch (Exception e) {
throw new MiniXmlParserException(strings.get("toplevel", e), e);
} finally {
try {
if (parser != null) {
parser.close();
}
} catch (Exception e) {
// ignore
}
try {
if (reader != null) {
reader.close();
}
} catch (Exception e) {
// ignore
}
}
}
public Map getJavaConfig() throws MiniXmlParserException {
if (!valid) {
throw new MiniXmlParserException(strings.get("invalid"));
}
return javaConfig;
}
public List getJvmOptions() throws MiniXmlParserException {
if (!valid) {
throw new MiniXmlParserException(strings.get("invalid"));
}
return jvmOptions;
}
public Map getProfilerConfig() throws MiniXmlParserException {
if (!valid) {
throw new MiniXmlParserException(strings.get("invalid"));
}
return profilerConfig;
}
public List getProfilerJvmOptions() throws MiniXmlParserException {
if (!valid) {
throw new MiniXmlParserException(strings.get("invalid"));
}
return profilerJvmOptions;
}
public Map getProfilerSystemProperties() throws MiniXmlParserException {
if (!valid) {
throw new MiniXmlParserException(strings.get("invalid"));
}
return profilerSysProps;
}
public Map getSystemProperties() throws MiniXmlParserException {
if (!valid) {
throw new MiniXmlParserException(strings.get("invalid"));
}
return sysProps.getCombinedSysProps();
}
public String getDomainName() {
return domainName;
}
public List getAdminAddresses() {
if (adminAddresses == null || adminAddresses.isEmpty()) {
String[] listenerNames = getListenerNamesForVS(DEFAULT_ADMIN_VS_ID, vsAttributes);
if (listenerNames == null || listenerNames.length == 0) {
listenerNames = getListenerNamesForVS(DEFAULT_VS_ID, vsAttributes); //plan B
}
addPortsForListeners(listenerNames);
}
return adminAddresses;
}
public void setupConfigDir(File configDir, File installDir) {
loggingConfig.setupConfigDir(configDir, installDir);
}
public boolean getSecureAdminEnabled() {
return secureAdminEnabled;
}
/**
* loggingConfig will return an IOException if there is no
* logging properties file.
*
* @return the log filename if available, otherwise return null
*/
public String getLogFilename() {
String logFilename = null;
try {
Map map = loggingConfig.getLoggingProperties();
String logFileContains = "${com.sun.aas.instanceName}";
logFilename = map.get(GlassFishLogHandlerProperty.OUTPUT_FILE.getPropertyFullName());
if (logFilename != null && logFilename.contains(logFileContains)) {
logFilename = replaceOld(logFilename, logFileContains, this.serverName);
}
} catch (Exception e) {
// just return null
}
return logFilename;
}
private static String replaceOld(
final String aInput,
final String aOldPattern,
final String aNewPattern
) {
final StringBuilder result = new StringBuilder();
//startIdx and idxOld delimit various chunks of aInput; these
//chunks always end where aOldPattern begins
int startIdx = 0;
int idxOld = 0;
while ((idxOld = aInput.indexOf(aOldPattern, startIdx)) >= 0) {
//grab a part of aInput which does not include aOldPattern
result.append(aInput.substring(startIdx, idxOld));
//add aNewPattern to take place of aOldPattern
result.append(aNewPattern);
//reset the startIdx to just after the current match, to see
//if there are any further matches
startIdx = idxOld + aOldPattern.length();
}
//the final chunk will go to the end of aInput
result.append(aInput.substring(startIdx));
return result.toString();
}
public boolean isMonitoringEnabled() {
return monitoringEnabled;
}
public boolean hasNetworkConfig() {
return sawNetworkConfig;
}
public boolean hasDefaultConfig() {
return sawDefaultConfig;
}
public String getAdminRealmName() {
return adminRealm;
}
public Map getAdminRealmProperties() {
return adminRealmProperties;
}
///////////////////// all private below /////////////////////////
private void read() throws XMLStreamException, EndDocumentException, FileNotFoundException {
createParser();
getConfigRefName();
try {
// this will fail if config is above servers in domain.xml!
getConfig(); // might throw
findOtherStuff();
}
catch (EndDocumentException ex) {
createParser();
skipRoot("domain");
getConfig();
findOtherStuff();
Logger.getLogger(MiniXmlParser.class.getName()).log(
Level.FINE, strings.get("secondpass"));
}
finalTouches();
}
private void createParser() throws FileNotFoundException, XMLStreamException {
reader = new InputStreamReader(new FileInputStream(domainXml));
XMLInputFactory xif = getXmlInputFactory();
// Set the resolver so that any external entity references, such
// as a reference to a DTD, return an empty file. The domain.xml
// file doesn't support entity references.
xif.setXMLResolver(new XMLResolver() {
@Override
public Object resolveEntity(String publicID,
String systemID,
String baseURI,
String namespace)
throws XMLStreamException {
return new ByteArrayInputStream(new byte[0]);
}
});
parser = xif.createXMLStreamReader(
domainXml.toURI().toString(), reader);
}
private XMLInputFactory getXmlInputFactory() {
return XMLInputFactory.newFactory();
}
private void getConfigRefName() throws XMLStreamException, EndDocumentException {
if (configRef != null) {
return;
} // second pass!
skipRoot("domain");
// complications -- look for this element as a child of Domain...
//
// also have to handle system-property at the domain level
while (true) {
skipTo("servers", "property", "clusters", "system-property");
String name = parser.getLocalName();
if ("servers".equals(name)) {
break;
}
else if ("clusters".equals(name)) {
parseClusters();
} else if ("system-property".equals(name)) {
parseSystemProperty(SysPropsHandler.Type.DOMAIN);
}
else {
parseDomainProperty(); // maybe it is the domain name?
}
}
// the cursor is at the start-element of
while (true) {
// get to first element
skipNonStartElements();
String localName = parser.getLocalName();
if (!"server".equals(localName)) {
throw new XMLStreamException(strings.get("noserver", serverName));
}
// get the attributes for this
Map map = parseAttributes();
String thisName = map.get("name");
if (serverName.equals(thisName)) {
configRef = map.get("config-ref");
parseSysPropsFromServer();
skipToEnd("servers");
return;
}
skipToEnd("server");
}
}
private void getConfig() throws XMLStreamException, EndDocumentException {
// complications -- look for this element as a child of Domain...
//
// also have to handle system-property at the domain level
while (true) {
skipTo("configs", "property", "clusters", "system-property");
String name = parser.getLocalName();
if ("configs".equals(name)) {
break;
}
if ("clusters".equals(name)) {
parseClusters();
} else if ("system-property".equals(name)) {
parseSystemProperty(SysPropsHandler.Type.DOMAIN);
} else {
parseDomainProperty(); // maybe it is the domain name?
}
}
while (skipToButNotPast("configs", "config")) {
// get the attributes for this
Map map = parseAttributes();
String thisName = map.get("name");
if ("default-config".equals(thisName)) {
sawDefaultConfig = true;
}
if (configRef.equals(thisName)) {
sawConfig = true;
parseConfig();
} else {
skipTree("config");
}
}
}
private void parseConfig() throws XMLStreamException, EndDocumentException {
// cursor -->
// as we cruise through the section pull off any found
// I.e. AND are both children of
// Note that if the system-property already exists -- we do NOT override it.
// the system-property takes precedence
// bnevins - 3/20/08 added support for log-service
while (true) {
int event = next();
// return when we get to the
if (event == END_ELEMENT) {
if ("config".equals(parser.getLocalName())) {
return;
}
} else if (event == START_ELEMENT) {
String name = parser.getLocalName();
if ("system-property".equals(name)) {
parseSystemProperty(SysPropsHandler.Type.CONFIG);
} else if ("java-config".equals(name)) {
parseJavaConfig();
} else if ("http-service".equals(name)) {
parseHttpService();
} else if ("network-config".equals(name)) {
sawNetworkConfig = true;
parseNetworkConfig();
} else if ("monitoring-service".equals(name)) {
parseMonitoringService();
} else if("admin-service".equals(name)) {
parseAdminService();
} else if("security-service".equals(name)) {
populateAdminRealmProperties();
} else {
skipTree(name);
}
}
}
}
private void parseSecureAdmin() {
Map secureAdminProperties = parseAttributes();
if (secureAdminProperties.containsKey("enabled")) {
String value = secureAdminProperties.get("enabled");
if("true".equals(value)) {
secureAdminEnabled = true;
}
}
}
private void parseNetworkConfig()
throws XMLStreamException, EndDocumentException {
// cursor -->
while (true) {
int event = next();
// return when we get to the
if (event == END_ELEMENT) {
if ("network-config".equals(parser.getLocalName())) {
return;
}
} else if (event == START_ELEMENT) {
String name = parser.getLocalName();
if ("protocols".equals(name)) {
parseProtocols();
} else if ("network-listeners".equals(name)) {
parseListeners();
} else {
skipTree(name);
}
}
}
}
private void parseSysPropsFromServer() throws XMLStreamException, EndDocumentException {
// cursor -->
// these are the system-properties that OVERRIDE the ones in the
while (true) {
int event = next();
// return when we get to the
if (event == END_ELEMENT) {
if ("server".equals(parser.getLocalName())) {
return;
}
} else if (event == START_ELEMENT) {
String name = parser.getLocalName();
if ("system-property".equals(name)) {
parseSystemProperty(SysPropsHandler.Type.SERVER);
} else {
skipTree(name);
}
}
}
}
private void parseSystemProperty(SysPropsHandler.Type type) {
// cursor -->
Map map = parseAttributes();
String name = map.get("name");
String value = map.get("value");
if (name != null) {
sysProps.add(type, name, value);
}
}
private void parseJavaConfig() throws XMLStreamException, EndDocumentException {
// cursor -->
// get the attributes for
javaConfig = parseAttributes();
parseJvmAndProfilerOptions();
}
private void parseJvmAndProfilerOptions() throws XMLStreamException, EndDocumentException {
while (skipToButNotPast("java-config", "jvm-options", "profiler")) {
if ("jvm-options".equals(parser.getLocalName())) {
jvmOptions.add(parser.getElementText());
} else {// profiler
parseProfiler();
}
}
}
private void parseProfiler() throws XMLStreamException, EndDocumentException {
// cursor --> START_ELEMENT of profiler
// it has attributes and 's and 's
profilerConfig = parseAttributes();
// the default is true
if (!profilerConfig.containsKey("enabled")) {
profilerConfig.put("enabled", "true");
}
while (skipToButNotPast("profiler", "jvm-options", "property")) {
if ("jvm-options".equals(parser.getLocalName())) {
profilerJvmOptions.add(parser.getElementText());
} else {
parseProperty(profilerSysProps);
}
}
}
private void parseProperty(Map map) {
// cursor --> START_ELEMENT of property
// it has 2 attributes: name and value
Map prop = parseAttributes();
String name = prop.get("name");
String value = prop.get("value");
if (name != null) {
map.put(name, value);
}
}
private void skipNonStartElements() throws XMLStreamException, EndDocumentException {
while (true) {
int event = next();
if (event == START_ELEMENT) {
return;
}
}
}
private void skipRoot(String name) throws XMLStreamException, EndDocumentException {
// The cursor is pointing at the start of the document
// Move to the first 'top-level' element under name
// Return with cursor pointing to first sub-element
while (true) {
int event = next();
if (event == START_ELEMENT) {
if (!name.equals(parser.getLocalName())) {
throw new XMLStreamException("Unknown Domain XML Layout");
}
return;
}
}
}
/**
* The cursor will be pointing at the START_ELEMENT of name1 or name2 when it returns note that skipTree must be
* called. Otherwise we could be fooled by a sub-element with the same name as an outer element
*
* @param nameArgs An array of eligible element names to skip to
* @throws XMLStreamException
*/
private void skipTo(final String... namesArgs) throws XMLStreamException, EndDocumentException {
final List names = Arrays.asList(namesArgs);
while (true) {
skipNonStartElements();
// cursor is at a START_ELEMENT
String localName = parser.getLocalName();
if (names.contains(localName)) {
return;
}
skipTree(localName);
}
}
/**
* The cursor will be pointing at the START_ELEMENT of name when it returns note that skipTree must be called.
* Otherwise we could be fooled by a sub-element with the same name as an outer element Multiple startNames are
* accepted.
*
* @param endName the Element to skip to
* @throws XMLStreamException
*/
private boolean skipToButNotPast(String endName, String... startNames)
throws XMLStreamException, EndDocumentException {
while (true) {
int event = next();
if (event == START_ELEMENT) {
for (String s : startNames) {
if (parser.getLocalName().equals(s)) {
return true;
}
}
}
if (event == END_ELEMENT) {
if (parser.getLocalName().equals(endName)) {
return false;
}
}
}
}
private void skipTree(String name) throws XMLStreamException, EndDocumentException {
// The cursor is pointing at the start-element of name.
// throw everything in this element away and return with the cursor
// pointing at its end-element.
while (true) {
int event = next();
if (event == END_ELEMENT && name.equals(parser.getLocalName())) {
//System.out.println("END: " + parser.getLocalName());
return;
}
}
}
private void skipToEnd(String name) throws XMLStreamException, EndDocumentException {
// The cursor is pointing who-knows-where
// throw everything away and return with the cursor
// pointing at the end-element.
while (true) {
int event = next();
if (event == END_ELEMENT && name.equals(parser.getLocalName())) {
return;
}
}
}
private int next() throws XMLStreamException, EndDocumentException {
int event = parser.next();
if (event == END_DOCUMENT) {
parser.close();
throw new EndDocumentException();
}
return event;
}
private void findOtherStuff() {
try {
// find the domain name and/or clusters, if it is there
// If we bump into the domain end tag first -- no sweat
//
// notice how everything is MUCH more difficult to understand because
// we are going through domain.xml in one long relentless sweep and
// we can't back up!
while (skipToButNotPast("domain", "property", "clusters", "system-property","secure-admin")) {
String name = parser.getLocalName();
if ("clusters".equals(name)) {
parseClusters();
} else if ("system-property".equals(name)) {
parseSystemProperty(SysPropsHandler.Type.DOMAIN);
} else if ("property".equals(name)) {
parseDomainProperty(); // property found -- maybe it is the domain name?
} else if("secure-admin".equals(name)) {
parseSecureAdmin();
}
}
if (domainName == null) {
Logger.getLogger(MiniXmlParser.class.getName()).log(
Level.INFO, strings.get("noDomainName"));
}
}
catch (Exception e) {
throw new RuntimeException(strings.get("noDomainEnd"));
}
}
private void parseDomainProperty() {
// cursor --> pointing at "property" element that is a child of "domain" element
//
if (domainName != null) {
return; // found it already
}
Map map = parseAttributes();
String name = map.get("name");
String value = map.get("value");
if (name == null || value == null) {
return;
}
if ("administrative.domain.name".equals(name)) {
domainName = value;
}
}
private void parseMonitoringService() {
// The default is, by definition, true.
// Here are all the possibilities and their resolution:
// 1. Attribute is not present --> true
// 2. Attribute is present and set to the exact string "false" --> false
// 3. Attribute is present and set to anything except "false" --> true
String s = parseAttributes().get("monitoring-enabled");
if (s == null) {
monitoringEnabled = true; // case 1
} else if ("false".equals(s)) {
monitoringEnabled = false; // case 2
} else {
monitoringEnabled = true; // case 3
}
}
private void parseAdminService() throws XMLStreamException, EndDocumentException {
Map attributes = null;
skipToButNotPast("admin-service", "jmx-connector");
String name = parser.getLocalName();
if ("jmx-connector".equals(name)) {
attributes = parseAttributes();
adminRealm = attributes.get("auth-realm-name");
}
}
private void populateAdminRealmProperties() throws
XMLStreamException, EndDocumentException {
//If the adminrealm name has not been parsed,
//or if the adminRealmProperties is already populated, return
if ((adminRealm == null) || (adminRealmProperties != null)) {
return;
}
Map attributes = null;
while (true) {
skipToButNotPast("security-service", "auth-realm");
String name = parser.getLocalName();
if ("auth-realm".equals(name)) {
attributes = parseAttributes();
if (attributes.get("name").equals(adminRealm)) {
adminRealmProperties = new HashMap<>();
adminRealmProperties.put("classname", attributes.get("classname"));
while (true) {
skipToButNotPast("auth-realm", "property");
if ("property".equals(parser.getLocalName())) {
attributes = parseAttributes();
adminRealmProperties.put(attributes.get("name"), attributes.get("value"));
} else if ("auth-realm".equals(parser.getLocalName())) {
break;
}
}
}
} else if ("security-service".equals(name)) {
break;
}
}
}
private void parseHttpService() throws XMLStreamException, EndDocumentException {
// cursor --> in
// we are looking for the virtual server: "DEFAULT_ADMIN_VS_ID".
// inside it will be a ref. to a listener. We get the port from the listener.
// So -- squirrel away a copy of all the listeners and all the virt. servers --
//then post-process.
// Load the collections with both kinds of elements' attributes
while (true) {
skipToButNotPast("http-service", "http-listener", "virtual-server");
String name = parser.getLocalName();
if ("http-listener".equals(name)) {
listenerAttributes.add(parseAttributes());
} else if ("virtual-server".equals(name)) {
vsAttributes.add(parseAttributes());
} else if ("http-service".equals(name)) {
break;
}
}
String[] listenerNames = getListenerNamesForVS(DEFAULT_ADMIN_VS_ID, vsAttributes);
if (listenerNames == null || listenerNames.length == 0) {
listenerNames = getListenerNamesForVS(DEFAULT_VS_ID, vsAttributes); //plan B
}
if (listenerNames == null || listenerNames.length <= 0) {
return; // can not find ports
}
addPortsForListeners(listenerNames);
}
private void parseListeners() throws XMLStreamException, EndDocumentException {
// cursor --> START_ELEMENT of network-listeners
while (true) {
skipToButNotPast("network-listeners", "network-listener");
final String name = parser.getLocalName();
if ("network-listener".equals(name)) {
listenerAttributes.add(parseAttributes());
} else if ("network-listeners".equals(name)) {
break;
}
}
}
private void parseProtocols() throws XMLStreamException, EndDocumentException {
// cursor --> START_ELEMENT of protocols
while (true) {
skipToButNotPast("protocols", "protocol");
final String name = parser.getLocalName();
if ("protocol".equals(name)) {
protocolAttributes.add(parseAttributes());
} else if ("protocols".equals(name)) {
break;
}
}
}
/**
* Get http listener names for virtual server.
* Returns null or empty array if not found.
*/
private String[] getListenerNamesForVS(String vsid, List> vsAttributes) {
String listeners = null;
String[] listenerArray = null;
// find the virtual server
for (Map atts : vsAttributes) {
String id = atts.get("id");
if (id != null && id.equals(vsid)) {
listeners = atts.get("network-listeners");
if (listeners == null) {
listeners = atts.get("http-listeners");
}
break;
}
}
// make sure the "http-listeners" is kosher
if (GFLauncherUtils.ok(listeners)) {
listenerArray = listeners.split(",");
if (listenerArray.length == 0) {
listenerArray = null;
}
}
return listenerArray;
}
private void addPortsForListeners(String[] listenerNames) {
// get the addresses and port numbers for all the listeners
// normally there is one listener
if (listenerNames != null && listenerNames.length > 0) {
for (Map atts : listenerAttributes) {
String id = atts.get("name");
if (id == null) {
id = atts.get("id");
}
if (id != null) {
for (String listenerName : listenerNames) {
if (id.equals(listenerName)) {
int port = getPort(atts.get("port"));
if (port >= 0) {
String addr = atts.get("address");
if (!GFLauncherUtils.ok(addr)) {
addr = "localhost";
}
if (StringUtils.isToken(addr)) {
addr = sysProps.get(StringUtils.stripToken(addr));
}
boolean secure = false;
String protocol = atts.get("protocol");
atts = getProtocolByName(protocol);
if (atts != null) {
String sec = atts.get("security-enabled");
secure = sec != null
&& "true".equalsIgnoreCase(sec);
}
if (GFLauncherUtils.ok(addr)) {
adminAddresses.add(
new HostAndPort(addr, port, secure));
// ed: seven end-braces is six too many for my code!
}
}
break;
}
}
}
}
}
}
private int getPort(String portString) {
int port = -1;
try {
port = Integer.parseInt(portString);
} catch (Exception e) {
// HEY! Why are you not checking BEFORE the Exception?
// Well, it might be slower to call isToken() on strings that consist
// of just numbers. We just do this stuff if necessary...
try {
portString = sysProps.get(StringUtils.stripToken(portString));
if (portString != null && portString.length() > 0) {
port = Integer.parseInt(portString);
}
} catch (Exception e2) {
// GI but not GO !
}
}
return port;
}
Map getProtocolByName(String name) {
for (Map atts : protocolAttributes) {
String id = atts.get("name");
if (id == null) {
id = atts.get("id");
}
if (id != null && id.equals(name)) {
return atts;
}
}
return null;
}
private Map parseAttributes() {
int num = parser.getAttributeCount();
Map map = new HashMap<>();
for (int i = 0; i < num; i++) {
map.put(parser.getAttributeName(i).getLocalPart(), parser.getAttributeValue(i));
}
return map;
}
// clusters is short and sweet. Just parse the whole thing first -- and then do
// the logic of finding our server in it and picking out sysprops...
private void parseClusters() throws XMLStreamException, EndDocumentException {
// cursor ==> clusters
// if there is more than one clusters element (!weird!) only use the last one
clusters = new ArrayList<>();
while (skipToButNotPast("clusters", "cluster")) {
// cursor ==> "cluster"
ParsedCluster pc = new ParsedCluster(parseAttributes().get("name"));
clusters.add(pc);
parseCluster(pc);
}
}
/*
* the cluster element has one server-ref for each server in the cluster.
* cluster has an attribute for the config-ref which is the same as in the server element
* that would make this MUCH simpler - compare server's config-ref with this
* cluster's config-ref. If they match -- then the server belongs to this cluster
* But we can't depend on it because of the nature of this serial parser. I.e.
* we may not yet have seen the server element. BUT we are given the server name
* in the constructor -- so we ALWAYS have that. So we check the more complex
* server-ref's
*/
private void parseCluster(ParsedCluster pc) throws XMLStreamException, EndDocumentException {
// cursor --> cluster element
while (skipToButNotPast("cluster", "system-property", "server-ref")) {
String name = parser.getLocalName();
if ("system-property".equals(name)) {
// NOT parseSystemProperty() because this might not be "our" cluster
// finalTouches() will add the correct system-property's
parseProperty(pc.sysProps);
} else if ("server-ref".equals(name)) {
Map atts = parseAttributes();
// atts is guaranteed to be non-null
String sname = atts.get("ref");
if (GFLauncherUtils.ok(sname)) {
pc.serverNames.add(sname);
}
}
}
}
// add any cluster system props to the data structure...
private void finalTouches() {
if (clusters == null) {
return;
}
for (ParsedCluster pc : clusters) {
Map props = pc.getMySysProps(serverName);
if (props != null) {
sysProps.add(SysPropsHandler.Type.CLUSTER, props);
break; // done!!
}
}
}
// this is so we can return from arbitrarily nested calls
private static class EndDocumentException extends Exception {
EndDocumentException() {
}
}
}