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/*-
* #%L
* Coffee
* %%
* Copyright (C) 2020 i-Cell Mobilsoft Zrt.
* %%
* 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.
* #L%
*/
package hu.icellmobilsoft.coffee.rest.validation.xml.utils;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;
import jakarta.enterprise.inject.Alternative;
import org.apache.commons.lang3.StringUtils;
import org.apache.deltaspike.core.util.message.PropertyFileUtils;
import org.w3c.dom.DOMImplementationSource;
import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSResourceResolver;
import hu.icellmobilsoft.coffee.se.logging.Logger;
/**
* XSD schemalocation based resource resolver.
* This class implements a SAX EntityResolver, StAX XMLResolver, Schema Validation LSResourceResolver and Transform URIResolver.
* For multi module projekt {@link Alternative} activation need own class like:
*
*
* @Priority(100)
* @Alternative
* public class ProjectXsdResourceResolver extends XsdResourceResolver {
* }
*
*
* @author cstamas
* @author robert.kaplar
* @since 1.0.0
*/
@Alternative
public class XsdResourceResolver implements LSResourceResolver, IXsdResourceResolver {
private static final Logger log = Logger.getLogger(XsdResourceResolver.class);
private String xsdDirPath;
/**
* Default constructor, constructs a new object.
*/
public XsdResourceResolver() {
super();
}
/**
* {@inheritDoc}
*
* Xsd resolving
*/
@Override
public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) {
if (StringUtils.isBlank(systemId)) {
return null;
}
DOMImplementationLS domImplLS = getDOMImplementationLS();
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
final LSInput input = domImplLS.createLSInput();
log.trace("0: resolving: [{0}], on base path [{1}]", systemId, xsdDirPath);
InputStream resStream = null; // classLoader.getResourceAsStream(s);
if (resStream == null) {
// xsdDirPath = "xsd/eu/ss/swarm/sample/dto/user/user.xsd"
// systemId = "../common/common.xsd"
String temp = StringUtils.substringBeforeLast(xsdDirPath, "/");
String temp2 = systemId;
if (StringUtils.contains(systemId, "..")) {
// temp = "xsd/eu/ss/swarm/sample/dto/user"
temp = StringUtils.substringBeforeLast(temp, "/");
// temp = "xsd/eu/ss/swarm/sample/dto"
temp2 = StringUtils.substringAfter(systemId, "..");
// temp2 = "/common/common.xsd"
} else {
// If the import is in your own directory, you need to reattach the trimmed separator.
temp = temp + "/";
}
String path = temp + temp2;
resStream = classLoader.getResourceAsStream(path);
log.trace("1: finding path: [{0}], resStream [{1}]", path, resStream);
if (resStream == null) {
try {
Enumeration urlEnum = PropertyFileUtils.resolvePropertyFiles(path);
log.trace("2: deltaspike PropertyFileUtils found xsd file [{0}]", urlEnum.hasMoreElements());
if (urlEnum.hasMoreElements()) {
resStream = urlEnum.nextElement().openStream();
log.trace("2.1: finding path: [{0}], resStream [{1}]", path, resStream);
}
} catch (IOException e) {
log.trace("2.2: {0}", e.getLocalizedMessage());
}
}
}
if (resStream == null) {
// xsdDirPath = "xsd/eu/ss/swarm/sample/dto/user/user.xsd"
// systemId =
// "../../../../../../../../../../target/unpacked-files/coffee-resources/xsd/eu/ss/coffee/swarm/dto/common/common.xsd"
String temp = StringUtils.substringAfter(systemId, "coffee-resources/");
// temp = "xsd/eu/ss/coffee/swarm/dto/common/common.xsd"
String path = temp;
if (StringUtils.isNotBlank(path)) {
resStream = classLoader.getResourceAsStream(path);
log.trace("3: finding path: [{0}], resStream [{1}]", path, resStream);
if (resStream == null) {
try {
Enumeration urlEnum = PropertyFileUtils.resolvePropertyFiles(path);
log.trace("4: deltaspike PropertyFileUtils found xsd file [{0}]", urlEnum.hasMoreElements());
if (urlEnum.hasMoreElements()) {
resStream = urlEnum.nextElement().openStream();
log.trace("4.1: finding path: [{0}], resStream [{1}]", path, resStream);
}
} catch (IOException e) {
log.trace("4.2: {0}", e.getLocalizedMessage());
}
}
}
}
if (resStream == null) {
log.warn("ResourceResolver: Resource [{0}] not found in classpaths!", systemId);
return null;
}
input.setByteStream(resStream);
input.setSystemId(systemId);
return input;
}
private DOMImplementationLS getDOMImplementationLS() {
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
try {
final DOMImplementationRegistry registry;
registry = DOMImplementationRegistry.newInstance();
return (DOMImplementationLS) registry.getDOMImplementation("LS");
} catch (ClassNotFoundException cnfe) {
// This is an ugly workaround of this bug: https://issues.jboss.org/browse/WFLY-4416
try {
Class sysImpl = classLoader.loadClass("com.sun.org.apache.xerces.internal.dom.DOMXSImplementationSourceImpl");
DOMImplementationSource source = (DOMImplementationSource) sysImpl.newInstance();
return (DOMImplementationLS) source.getDOMImplementation("LS");
} catch (Exception e) {
throw new RuntimeException(e);
}
} catch (Exception e1) {
throw new RuntimeException(e1);
}
}
/** {@inheritDoc} */
@Override
public void setXsdDirPath(String xsdDirPath) {
this.xsdDirPath = xsdDirPath;
}
}
