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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.util.genxsd;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import javax.xml.parsers.ParserConfigurationException;
import org.onap.aai.config.SpringContextAware;
import org.onap.aai.edges.EdgeIngestor;
import org.onap.aai.edges.exceptions.EdgeRuleNotFoundException;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.nodes.NodeIngestor;
import org.onap.aai.setup.SchemaVersion;
import org.onap.aai.setup.SchemaVersions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
public class HTMLfromOXM extends OxmFileProcessor {
private static final Logger logger = LoggerFactory.getLogger("HTMLfromOXM.class");
private String maxOccurs;
public HTMLfromOXM(String maxOccurs, SchemaVersions schemaVersions, NodeIngestor ni, EdgeIngestor ei ){
super(schemaVersions, ni,ei);
this.maxOccurs = maxOccurs;
}
public void setOxmVersion(File oxmFile, SchemaVersion v) {
super.setOxmVersion(oxmFile, v);
this.v = v;
}
public void setXmlVersion(String xml, SchemaVersion v) {
super.setXmlVersion(xml, v);
this.v = v;
}
public void setVersion(SchemaVersion v) {
super.setVersion(v);
this.v = v;
}
@Override
public String getDocumentHeader() {
StringBuffer sb = new StringBuffer();
logger.trace("processing starts");
sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>" + LINE_SEPARATOR);
String namespace = "org.onap";
if (v.compareTo(getSchemaVersions().getNamespaceChangeVersion()) < 0 ) {
namespace = "org.openecomp";
}
if ( versionUsesAnnotations(v.toString()) ) {
sb.append("<xs:schema elementFormDefault=\"qualified\" version=\"1.0\" targetNamespace=\"http://" + namespace + ".aai.inventory/"
+ v.toString() + "\" xmlns:tns=\"http://" + namespace + ".aai.inventory/" + v.toString() + "\" xmlns:xs=\"http://www.w3.org/2001/XMLSchema\""
+ LINE_SEPARATOR
+ "xmlns:jaxb=\"http://java.sun.com/xml/ns/jaxb\"" + LINE_SEPARATOR +
" jaxb:version=\"2.1\"" + LINE_SEPARATOR +
" xmlns:annox=\"http://annox.dev.java.net\"" + LINE_SEPARATOR +
" jaxb:extensionBindingPrefixes=\"annox\">" + DOUBLE_LINE_SEPARATOR);
} else {
sb.append("<xs:schema elementFormDefault=\"qualified\" version=\"1.0\" targetNamespace=\"http://" + namespace + ".aai.inventory/"
+ v.toString() + "\" xmlns:tns=\"http://" + namespace + ".aai.inventory/" + v.toString() + "\" xmlns:xs=\"http://www.w3.org/2001/XMLSchema\">" + DOUBLE_LINE_SEPARATOR);
}
return sb.toString();
}
@Override
public String process() throws ParserConfigurationException, SAXException, IOException, AAIException, FileNotFoundException, EdgeRuleNotFoundException {
StringBuilder sb = new StringBuilder();
try {
init();
} catch(Exception e) {
logger.error( "Error initializing " + this.getClass());
throw e;
}
sb.append(getDocumentHeader());
StringBuilder sbInventory = new StringBuilder();
Element elem;
String javaTypeName;
combinedJavaTypes = new HashMap();
for ( int i = 0; i < javaTypeNodes.getLength(); ++ i ) {
elem = (Element)javaTypeNodes.item(i);
javaTypeName = elem.getAttribute("name");
if ( !"Inventory".equals(javaTypeName ) ) {
if ( generatedJavaType.containsKey(javaTypeName) ) {
continue;
}
// will combine all matching java-types
elem = getJavaTypeElement(javaTypeName,false );
}
XSDElement javaTypeElement = new XSDElement(elem, maxOccurs);
//javaTypeName = javaTypeElement.name();
if ( javaTypeName == null ) {
String msg = "Invalid OXM file: <java-type> has no name attribute in " + oxmFile;
logger.error(msg);
throw new AAIException(msg);
}
if ("Nodes".equals(javaTypeName)) {
logger.debug("skipping Nodes entry (temporary feature)");
continue;
}
logger.debug(getXmlRootElementName(javaTypeName)+" vs "+ javaTypeName+":"+generatedJavaType.containsKey(getXmlRootElementName(javaTypeName)));
if ( !"Inventory".equals(javaTypeName)) {
generatedJavaType.put(javaTypeName, null);
}
sb.append(processJavaTypeElement( javaTypeName, javaTypeElement, sbInventory ));
}
sb.append(sbInventory);
sb.append(" </xs:sequence>" + LINE_SEPARATOR);
sb.append(" </xs:complexType>" + LINE_SEPARATOR);
sb.append(" </xs:element>" + LINE_SEPARATOR);
sb.append("</xs:schema>" + LINE_SEPARATOR);
return sb.toString();
}
protected boolean isValidName( String name ) {
if ( name == null || name.length() == 0 ) {
return false;
}
String pattern = "^[a-z0-9-]*$";
return name.matches(pattern);
}
protected boolean skipCheck( String javaAttribute ) {
if ( javaAttribute.equals("model")
|| javaAttribute.equals("eventHeader") ) {
return true;
}
return false;
}
public String processJavaTypeElement( String javaTypeName, Element javaType_Element, StringBuilder sbInventory) {
String xmlRootElementName = getXMLRootElementName(javaType_Element);
NodeList parentNodes = javaType_Element.getElementsByTagName("java-attributes");
StringBuffer sb = new StringBuffer();
if ( parentNodes.getLength() == 0 ) {
logger.trace( "no java-attributes for java-type " + javaTypeName);
return "";
}
Element parentElement = (Element)parentNodes.item(0);
NodeList xmlElementNodes = parentElement.getElementsByTagName("xml-element");
// support for multiple inventory elements across oxm files
boolean processingInventory = false;
boolean hasPreviousInventory = false;
if ( "inventory".equals(xmlRootElementName) && sbInventory != null ) {
processingInventory = true;
if ( sbInventory.toString().contains("xs:complexType") ) {
hasPreviousInventory = true;
}
}
StringBuffer sb1 = new StringBuffer();
if ( xmlElementNodes.getLength() > 0 ) {
if ( !processingInventory || !hasPreviousInventory ) {
sb1.append(" <xs:element name=\"" + xmlRootElementName + "\">" + LINE_SEPARATOR);
sb1.append(" <xs:complexType>" + LINE_SEPARATOR);
XSDElement javaTypeElement = new XSDElement(javaType_Element, maxOccurs);
logger.debug("XSDElement name: "+javaTypeElement.name());
if(versionUsesAnnotations(v.toString())) {
sb1.append(javaTypeElement.getHTMLAnnotation("class", " "));
}
sb1.append(" <xs:sequence>" + LINE_SEPARATOR);
}
Element javatypeElement;
for ( int i = 0; i < xmlElementNodes.getLength(); ++i ) {
XSDElement xmlElementElement = new XSDElement((Element)xmlElementNodes.item(i), maxOccurs);
// String elementName = xmlElementElement.getAttribute("name");
String elementType = xmlElementElement.getAttribute("type");
//No simple types; only AAI custom types
String addType = elementType.contains("." + v.toString() + ".") ? elementType.substring(elementType.lastIndexOf('.')+1) : null;
if ( elementType.contains("." + v.toString() + ".") && !generatedJavaType.containsKey(addType) ) {
generatedJavaType.put(addType, elementType);
javatypeElement = getJavaTypeElement(addType, processingInventory);
sb.append(processJavaTypeElement( addType, javatypeElement, null ));
}
if ("Nodes".equals(addType)) {
logger.trace("Skipping nodes, temporary testing");
continue;
}
//assembles the basic <element>
sb1.append(xmlElementElement.getHTMLElement(v, versionUsesAnnotations(v.toString()), this));
}
if ( !processingInventory ) {
sb1.append(" </xs:sequence>" + LINE_SEPARATOR);
sb1.append(" </xs:complexType>" + LINE_SEPARATOR);
sb1.append(" </xs:element>" + LINE_SEPARATOR);
}
}
if ( xmlElementNodes.getLength() < 1 ) {
sb.append(" <xs:element name=\"" + xmlRootElementName + "\">" + LINE_SEPARATOR);
sb.append(" <xs:complexType>" + LINE_SEPARATOR);
sb.append(" <xs:sequence/>" + LINE_SEPARATOR);
sb.append(" </xs:complexType>" + LINE_SEPARATOR);
sb.append(" </xs:element>" + LINE_SEPARATOR);
generatedJavaType.put(javaTypeName, null);
return sb.toString();
}
if ( processingInventory && sbInventory != null ) {
sbInventory.append(sb1);
} else {
sb.append( sb1 );
}
return sb.toString();
}
private Element getJavaTypeElement( String javaTypeName, boolean processingInventory )
{
String attrName, attrValue;
Attr attr;
Element javaTypeElement;
List<Element> combineElementList = new ArrayList<Element>();
for ( int i = 0; i < javaTypeNodes.getLength(); ++ i ) {
javaTypeElement = (Element) javaTypeNodes.item(i);
NamedNodeMap attributes = javaTypeElement.getAttributes();
for ( int j = 0; j < attributes.getLength(); ++j ) {
attr = (Attr) attributes.item(j);
attrName = attr.getNodeName();
attrValue = attr.getNodeValue();
if ( attrName.equals("name") && attrValue.equals(javaTypeName)) {
if ( processingInventory ) {
return javaTypeElement;
} else {
combineElementList.add(javaTypeElement);
}
}
}
}
if ( combineElementList.size() == 0 ) {
logger.error( "oxm file format error, missing java-type " + javaTypeName);
return (Element) null;
} else if ( combineElementList.size() > 1 ) {
// need to combine java-attributes
return combineElements( javaTypeName, combineElementList);
}
return combineElementList.get(0);
}
private boolean versionUsesAnnotations( String version) {
int ver = new Integer(version.substring(1)).intValue();
if ( ver >= HTMLfromOXM.annotationsStartVersion ) {
return true;
}
if ( ver <= HTMLfromOXM.annotationsMinVersion ) {
return true;
}
return false;
}
}
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