Merged in brasseld/openesb-components (pull request #8)

Access to imported WSDL from concrete WSDL through Load Balancer
master
David Brassely 2013-03-20 16:51:55 +01:00
commit 6306792bd3
2 changed files with 348 additions and 281 deletions

View File

@ -1,8 +1,9 @@
/**
*
*
*/
package com.sun.jbi.httpsoapbc;
import com.ibm.wsdl.Constants;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.net.InetAddress;
@ -51,430 +52,496 @@ import com.sun.jbi.internationalization.Messages;
/**
* @author Sujit Biswas
*
*
*/
public class WsdlQueryHelper {
private String lbHost;
private String lbPort;
private Definition definition;
// private Definition definition;
private boolean isWsdl;
private String localhostFQDN;
private Document doc;
private ByteBuffer byteBuffer;
/**
* this is the port on which http-bc is running
*/
String httpbcPort;
private CoyoteRequest request;
private static Messages mMessages = Messages.getMessages(WsdlQueryHelper.class);
private static Logger mLog = Messages.getLogger(WsdlQueryHelper.class);
/**
*
*
*/
public WsdlQueryHelper(CoyoteRequest request, int rPort, ByteBuffer def, boolean wsdl) {
this.isWsdl = wsdl;
this.isWsdl = wsdl;
this.request = request;
this.request = request;
this.byteBuffer = def;
this.byteBuffer = def;
lbHost = request.getServerName();
lbPort = Integer.toString(request.getServerPort());
lbHost = request.getServerName();
lbPort = Integer.toString(request.getServerPort());
httpbcPort = Integer.toString(rPort);
httpbcPort = Integer.toString(rPort);
try {
try {
localhostFQDN = InetAddress.getLocalHost().getCanonicalHostName().toString();
localhostFQDN = InetAddress.getLocalHost().getCanonicalHostName().toString();
if (isWsdl) {
WSDLFactoryImpl wsdlFactory = new WSDLFactoryImpl();
WSDLReader reader = (WSDLReader) wsdlFactory.newWSDLReader();
reader.setFeature(com.ibm.wsdl.Constants.FEATURE_VERBOSE, false);
/*
if (isWsdl) {
WSDLFactoryImpl wsdlFactory = new WSDLFactoryImpl();
WSDLReader reader = (WSDLReader) wsdlFactory.newWSDLReader();
reader.setFeature(com.ibm.wsdl.Constants.FEATURE_VERBOSE, false);
InputSource source = new InputSource(new ByteArrayInputStream(def.array()));
InputSource source = new InputSource(new ByteArrayInputStream(def.array()));
this.definition = reader.readWSDL("", source);
} else {
DocumentBuilderFactory builderF = DocumentBuilderFactory.newInstance();
this.definition = reader.readWSDL("", source);
} else {
* */
DocumentBuilderFactory builderF = DocumentBuilderFactory.newInstance();
builderF.setNamespaceAware(true);
DocumentBuilder builder = builderF.newDocumentBuilder();
builderF.setNamespaceAware(true);
DocumentBuilder builder = builderF.newDocumentBuilder();
doc = builder.parse(new ByteArrayInputStream(def.array()));
doc = builder.parse(new ByteArrayInputStream(def.array()));
}
//}
} catch (Exception e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "init query helper failed.", e);
}
}
} catch (Exception e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "init query helper failed.", e);
}
}
}
public WsdlQueryHelper(CoyoteRequest request, int rPort, ByteArrayOutputStream baos, boolean wsdl) {
public WsdlQueryHelper(CoyoteRequest request, int rPort, Definition def, boolean wsdl) {
this.isWsdl = wsdl;
this.isWsdl = wsdl;
this.request = request;
this.request = request;
// this.definition = def;
this.definition = def;
lbHost = request.getServerName();
lbPort = Integer.toString(request.getServerPort());
lbHost = request.getServerName();
lbPort = Integer.toString(request.getServerPort());
httpbcPort = Integer.toString(rPort);
httpbcPort = Integer.toString(rPort);
try {
localhostFQDN = InetAddress.getLocalHost().getCanonicalHostName().toString();
DocumentBuilderFactory builderF = DocumentBuilderFactory.newInstance();
try {
localhostFQDN = InetAddress.getLocalHost().getCanonicalHostName().toString();
} catch (UnknownHostException e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "the proxy host may be unknown.", e);
}
}
builderF.setNamespaceAware(true);
DocumentBuilder builder = builderF.newDocumentBuilder();
doc = builder.parse(new ByteArrayInputStream(baos.toByteArray()));
} catch (Exception e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "the proxy host may be unknown.", e);
}
}
}
/*
public Definition getServiceDescriptor() {
try {
modifyWSDL(definition);
try {
modifyWSDL(definition);
} catch (Exception e) {
// TODO need to update some of the exception to warning where
// suitable
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "modify wsdl failed, this will return the original wsdl.", e);
}
}
return definition;
}
} catch (Exception e) {
// TODO need to update some of the exception to warning where
// suitable
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "modify wsdl failed, this will return the original wsdl.", e);
}
}
return definition;
}*/
public ByteBuffer getServiceDescriptorAsByteBuffer() {
/**
* check if the request is a direct request, return the byte-buffer if
* true
*/
/**
* check if the request is a direct request, return the byte-buffer if
* true
*/
if (isDirectRequest()) {
return byteBuffer;
}
if (isDirectRequest()) {
return byteBuffer;
}
if (isWsdl) {
try {
updateImportDom(doc.getDocumentElement());
} catch (Exception ex) {
ex.printStackTrace();
System.out.println("Exception : " + ex);
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "unable to modify the wsdl.", ex);
}
}
} else {// this is xsd
try {
updateSchemaDom(doc.getDocumentElement());
} catch (Exception e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "unable to modify the xsd.", e);
}
}
}
if (isWsdl) {
try {
WSDLFactory wsdlFactory = (WSDLFactory) WSDLFactory.newInstance();
WSDLWriter writer = (WSDLWriter) wsdlFactory.newWSDLWriter();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
writer.writeWSDL(getServiceDescriptor(), baos);
return ByteBuffer.wrap(baos.toByteArray());
} catch (Exception ex) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "unable to write the wsdl.", ex);
}
}
} else {// this is xsd
try {
updateSchemaDom(doc.getDocumentElement());
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
String encoding = doc.getXmlEncoding();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
String encoding = doc.getXmlEncoding();
Transformer trans = TransformerFactory.newInstance().newTransformer();
//trans.setOutputProperty(OutputKeys.ENCODING, encoding);
if (encoding == null) {
trans.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
} else {
trans.setOutputProperty(OutputKeys.ENCODING, encoding);
}
//changes ends here
trans.setOutputProperty(OutputKeys.INDENT, "yes");
trans.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
trans.setOutputProperty(OutputKeys.METHOD, "xml");
trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, false ? "yes" : "no");
trans.transform(new DOMSource(doc), new StreamResult(baos));
Transformer trans = TransformerFactory.newInstance().newTransformer();
//trans.setOutputProperty(OutputKeys.ENCODING, encoding);
if(encoding == null){
trans.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
}else{
trans.setOutputProperty(OutputKeys.ENCODING, encoding);
}
//changes ends here
trans.setOutputProperty(OutputKeys.INDENT, "yes");
trans.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
trans.setOutputProperty(OutputKeys.METHOD, "xml");
trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, false ? "yes" : "no");
trans.transform(new DOMSource(doc), new StreamResult(baos));
return ByteBuffer.wrap(baos.toByteArray());
} catch (Exception e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "not able to transform.", e);
}
}
return ByteBuffer.wrap(baos.toByteArray());
/*
if (isWsdl) {
try {
WSDLFactory wsdlFactory = (WSDLFactory) WSDLFactory.newInstance();
WSDLWriter writer = (WSDLWriter) wsdlFactory.newWSDLWriter();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
writer.writeWSDL(getServiceDescriptor(), baos);
return ByteBuffer.wrap(baos.toByteArray());
} catch (Exception ex) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "unable to write the wsdl.", ex);
}
}
} else {// this is xsd
try {
updateSchemaDom(doc.getDocumentElement());
} catch (Exception e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "not able to transform.", e);
}
}
}
return null;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
String encoding = doc.getXmlEncoding();
Transformer trans = TransformerFactory.newInstance().newTransformer();
//trans.setOutputProperty(OutputKeys.ENCODING, encoding);
if(encoding == null){
trans.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
}else{
trans.setOutputProperty(OutputKeys.ENCODING, encoding);
}
//changes ends here
trans.setOutputProperty(OutputKeys.INDENT, "yes");
trans.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
trans.setOutputProperty(OutputKeys.METHOD, "xml");
trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, false ? "yes" : "no");
trans.transform(new DOMSource(doc), new StreamResult(baos));
return ByteBuffer.wrap(baos.toByteArray());
} catch (Exception e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "not able to transform.", e);
}
}
}
*/
return null;
}
private boolean isDirectRequest() {
if (isLocalHost()) {
if (lbPort.equalsIgnoreCase(httpbcPort)) {
return true;
}
}
if (isLocalHost()) {
if (lbPort.equalsIgnoreCase(httpbcPort)) {
return true;
}
}
return false;
return false;
}
private boolean isLocalHost() {
boolean b = "localhost".equalsIgnoreCase(lbHost) || localhostFQDN.equalsIgnoreCase(lbHost);
boolean b = "localhost".equalsIgnoreCase(lbHost) || localhostFQDN.equalsIgnoreCase(lbHost);
if (!b) {
try {
String s = InetAddress.getByName(lbHost).getCanonicalHostName();
if (s.equalsIgnoreCase(localhostFQDN)) {
return true;
}
} catch (UnknownHostException e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "unknown host.", e);
}
}
}
return b;
if (!b) {
try {
String s = InetAddress.getByName(lbHost).getCanonicalHostName();
if (s.equalsIgnoreCase(localhostFQDN)) {
return true;
}
} catch (UnknownHostException e) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "unknown host.", e);
}
}
}
return b;
}
@SuppressWarnings("unchecked")
public void modifyWSDL(Definition def) throws Exception {
private void modifyWSDL(Definition def) throws Exception {
// Search all wsdl imports for the resourceName
Iterator importLists = def.getImports().values().iterator();
while (importLists.hasNext()) {
Iterator imports = ((List) importLists.next()).iterator();
while (imports.hasNext()) {
Import anImport = (Import) imports.next();
// Search all wsdl imports for the resourceName
Iterator importLists = def.getImports().values().iterator();
while (importLists.hasNext()) {
Iterator imports = ((List) importLists.next()).iterator();
while (imports.hasNext()) {
Import anImport = (Import) imports.next();
String location = anImport.getLocationURI();
String result = getResultUrl(location);
anImport.setLocationURI(result);
String location = anImport.getLocationURI();
String result = getResultUrl(location);
anImport.setLocationURI(result);
}
}
}
}
// Search all XSD imports and includes for the resourceName
Types types = def.getTypes();
if (types != null) {
Iterator schemas = types.getExtensibilityElements().iterator();
while (schemas.hasNext()) {
ExtensibilityElement element = (ExtensibilityElement) schemas.next();
if (element instanceof Schema) {
Schema schema = (Schema) element;
// Search all XSD imports and includes for the resourceName
Types types = def.getTypes();
if (types != null) {
Iterator schemas = types.getExtensibilityElements().iterator();
while (schemas.hasNext()) {
ExtensibilityElement element = (ExtensibilityElement) schemas.next();
if (element instanceof Schema) {
Schema schema = (Schema) element;
handleSchema(schema);
handleSchema(schema);
updateSchemaDom(schema.getElement());
updateSchemaDom(schema.getElement());
}
}
}
}
}
}
Map services = def.getAllServices();
Iterator iter = services.keySet().iterator();
while (iter.hasNext()) {
Service s = (Service) services.get(iter.next());
Map services = def.getAllServices();
Iterator iter = services.keySet().iterator();
while (iter.hasNext()) {
Service s = (Service) services.get(iter.next());
Map ports = s.getPorts();
Iterator iter1 = ports.keySet().iterator();
Map ports = s.getPorts();
Iterator iter1 = ports.keySet().iterator();
while (iter1.hasNext()) {
Port port = (Port) ports.get(iter1.next());
while (iter1.hasNext()) {
Port port = (Port) ports.get(iter1.next());
List address = port.getExtensibilityElements();
for (Iterator iterator = address.iterator(); iterator.hasNext();) {
Object object = (Object) iterator.next();
List address = port.getExtensibilityElements();
for (Iterator iterator = address.iterator(); iterator.hasNext();) {
Object object = (Object) iterator.next();
if (object instanceof SOAPAddress) {
if (object instanceof SOAPAddress) {
SOAPAddress sa = (SOAPAddress) object;
String result = getResultUrl(sa.getLocationURI());
sa.setLocationURI(result);
SOAPAddress sa = (SOAPAddress) object;
String result = getResultUrl(sa.getLocationURI());
sa.setLocationURI(result);
} else if (object instanceof SOAP12Address) {
SOAP12Address sa = (SOAP12Address) object;
String result = getResultUrl(sa.getLocationURI());
sa.setLocationURI(result);
}
} else if (object instanceof SOAP12Address) {
SOAP12Address sa = (SOAP12Address) object;
String result = getResultUrl(sa.getLocationURI());
sa.setLocationURI(result);
}
}
}
}
}
}
}
}
@SuppressWarnings("unchecked")
private void handleSchema(Schema schema) {
Map imports = schema.getImports();
Map imports = schema.getImports();
Iterator iter = imports.keySet().iterator();
Iterator iter = imports.keySet().iterator();
while (iter.hasNext()) {
Collection refs = (Collection) imports.get(iter.next());
while (iter.hasNext()) {
Collection refs = (Collection) imports.get(iter.next());
Iterator iterator = refs.iterator();
Iterator iterator = refs.iterator();
while (iterator.hasNext()) {
SchemaReference si = (SchemaReference) iterator.next();
while (iterator.hasNext()) {
SchemaReference si = (SchemaReference) iterator.next();
si.getSchemaLocationURI();
String location = si.getSchemaLocationURI();
String result = getResultUrl(location);
si.setSchemaLocationURI(result);
}
si.getSchemaLocationURI();
String location = si.getSchemaLocationURI();
String result = getResultUrl(location);
si.setSchemaLocationURI(result);
}
}
}
List includes = schema.getIncludes();
List includes = schema.getIncludes();
Iterator iter1 = includes.iterator();
Iterator iter1 = includes.iterator();
while (iter1.hasNext()) {
SchemaReference sr = (SchemaReference) iter1.next();
sr.getSchemaLocationURI();
String location = sr.getSchemaLocationURI();
String result = getResultUrl(location);
sr.setSchemaLocationURI(result);
while (iter1.hasNext()) {
SchemaReference sr = (SchemaReference) iter1.next();
sr.getSchemaLocationURI();
String location = sr.getSchemaLocationURI();
String result = getResultUrl(location);
sr.setSchemaLocationURI(result);
}
}
List redefines = schema.getRedefines();
List redefines = schema.getRedefines();
Iterator iter2 = redefines.iterator();
Iterator iter2 = redefines.iterator();
while (iter2.hasNext()) {
SchemaReference sr = (SchemaReference) iter2.next();
sr.getSchemaLocationURI();
String location = sr.getSchemaLocationURI();
String result = getResultUrl(location);
sr.setSchemaLocationURI(result);
while (iter2.hasNext()) {
SchemaReference sr = (SchemaReference) iter2.next();
sr.getSchemaLocationURI();
String location = sr.getSchemaLocationURI();
String result = getResultUrl(location);
sr.setSchemaLocationURI(result);
}
}
}
private String getResultUrl(String location) {
String result = "", hostPort = "", host = "", port = "", rest = "";
String result = "", hostPort = "", host = "", port = "", rest = "";
boolean isSecure = request.isSecure();
boolean isSecure = request.isSecure();
if (location.startsWith("http://") && !isSecure) {
String s = location.substring("http://".length());
int i = s.indexOf("/");
if (location.startsWith("http://") && !isSecure) {
String s = location.substring("http://".length());
int i = s.indexOf("/");
rest = s.substring(i);
rest = s.substring(i);
hostPort = s.substring(0, i);
hostPort = hostPort.trim();
int index = hostPort.indexOf(':');
hostPort = s.substring(0, i);
hostPort = hostPort.trim();
int index = hostPort.indexOf(':');
if (index == -1) {
return location;
}
if (index == -1) {
return location;
}
host = hostPort.substring(0, index);
port = hostPort.substring(index + 1);
host = hostPort.substring(0, index);
port = hostPort.substring(index + 1);
if (host.equalsIgnoreCase(getlocalhostFQDN())) {
host = lbHost;
if (port.equalsIgnoreCase(httpbcPort)) {
port = lbPort;
}
if (host.equalsIgnoreCase(getlocalhostFQDN())) {
host = lbHost;
if (port.equalsIgnoreCase(httpbcPort)) {
port = lbPort;
}
}
}
result = "http://" + host + ":" + port + rest;
result = "http://" + host + ":" + port + rest;
} else if (location.startsWith("https://") && isSecure) {
} else if (location.startsWith("https://") && isSecure) {
String s = location.substring("https://".length());
int i = s.indexOf("/");
String s = location.substring("https://".length());
int i = s.indexOf("/");
rest = s.substring(i);
rest = s.substring(i);
hostPort = s.substring(0, i);
hostPort = hostPort.trim();
int index = hostPort.indexOf(':');
hostPort = s.substring(0, i);
hostPort = hostPort.trim();
int index = hostPort.indexOf(':');
if (index == -1) {
return location;
}
if (index == -1) {
return location;
}
host = hostPort.substring(0, index);
port = hostPort.substring(index + 1);
host = hostPort.substring(0, index);
port = hostPort.substring(index + 1);
if (host.equalsIgnoreCase(getlocalhostFQDN())) {
host = lbHost;
if (port.equalsIgnoreCase(httpbcPort)) {
port = lbPort;
}
if (host.equalsIgnoreCase(getlocalhostFQDN())) {
host = lbHost;
if (port.equalsIgnoreCase(httpbcPort)) {
port = lbPort;
}
}
}
result = "https://" + host + ":" + port + rest;
//Fix for [ bug #102 ] schemaLocation in xsd is empty
}else {
// Don't change location for relative paths
result = location;
}
return result;
result = "https://" + host + ":" + port + rest;
//Fix for [ bug #102 ] schemaLocation in xsd is empty
} else {
// Don't change location for relative paths
result = location;
}
return result;
}
private void updateImportDom(Element el) throws Exception {
Element tempEl = DOMUtils.getFirstChildElement(el);
for (; tempEl != null; tempEl = DOMUtils.getNextSiblingElement(tempEl)) {
QName tempElType = QNameUtils.newQName(tempEl);
if (Constants.Q_ELEM_IMPORT.equals(tempElType)) {
updateImportDomReference(tempEl);
}
}
}
private void updateSchemaDom(Element el) throws Exception {
Element tempEl = DOMUtils.getFirstChildElement(el);
Element tempEl = DOMUtils.getFirstChildElement(el);
for (; tempEl != null; tempEl = DOMUtils.getNextSiblingElement(tempEl)) {
QName tempElType = QNameUtils.newQName(tempEl);
for (; tempEl != null; tempEl = DOMUtils.getNextSiblingElement(tempEl)) {
QName tempElType = QNameUtils.newQName(tempEl);
if (SchemaConstants.XSD_IMPORT_QNAME_LIST.contains(tempElType) || SchemaConstants.XSD_INCLUDE_QNAME_LIST.contains(tempElType)
|| SchemaConstants.XSD_REDEFINE_QNAME_LIST.contains(tempElType)) {
updateSchemaDomReference(tempEl);
}
}
if (SchemaConstants.XSD_IMPORT_QNAME_LIST.contains(tempElType) || SchemaConstants.XSD_INCLUDE_QNAME_LIST.contains(tempElType)
|| SchemaConstants.XSD_REDEFINE_QNAME_LIST.contains(tempElType)) {
updateSchemaDomReference(tempEl);
}
}
}
private void updateImportDomReference(Element tempEl) throws Exception {
String locationURI = DOMUtils.getAttribute(tempEl, Constants.ATTR_LOCATION);
if (locationURI != null) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "nlocationURI = " + locationURI);
}
String result = getResultUrl(locationURI);
setAttribute(tempEl, Constants.ATTR_LOCATION, result);
}
}
private void updateSchemaDomReference(Element tempEl) throws Exception {
String locationURI = DOMUtils.getAttribute(tempEl, SchemaConstants.ATTR_SCHEMA_LOCATION);
if (locationURI != null) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "nlocationURI = " + locationURI);
}
String result = getResultUrl(locationURI);
String locationURI = DOMUtils.getAttribute(tempEl, SchemaConstants.ATTR_SCHEMA_LOCATION);
if (locationURI != null) {
if (mLog.isLoggable(Level.FINE)) {
mLog.log(Level.FINE, "nlocationURI = " + locationURI);
}
String result = getResultUrl(locationURI);
setAttribute(tempEl, SchemaConstants.ATTR_SCHEMA_LOCATION, result);
setAttribute(tempEl, SchemaConstants.ATTR_SCHEMA_LOCATION, result);
}
}
}
private void setAttribute(Element el, String attrName, String attrValue) {
Attr attr = el.getAttributeNode(attrName);
Attr attr = el.getAttributeNode(attrName);
if (attr != null) {
attr.setValue(attrValue);
}
if (attr != null) {
attr.setValue(attrValue);
}
}
private String getlocalhostFQDN() {
return localhostFQDN;
return localhostFQDN;
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
}
}

View File

@ -23,7 +23,7 @@ import com.ibm.wsdl.extensions.schema.SchemaImpl;
*/
public class WsdlQueryHelperTest extends TestCase {
private CoyoteRequest req = new DummyCoyoteRequest();
private CoyoteRequest req = new WsdlQueryHelperTest.DummyCoyoteRequest();
@Override
@ -50,7 +50,7 @@ public class WsdlQueryHelperTest extends TestCase {
System.out.println(new String(baos.toByteArray()));
WsdlQueryHelper helper = new WsdlQueryHelper(req, 9080, def, true);
WsdlQueryHelper helper = new WsdlQueryHelper(req, 9080, baos, true);
ByteBuffer buffer = helper.getServiceDescriptorAsByteBuffer();
System.out.println(new String(buffer.array()));