Refactoring

Signed-off-by: Flurb <[email protected]>

Author: Flurb

validator/src/main/java/org/lfenergy/compas/scl/validator/xsd/SclInfo.java

@@ -5,7 +5,6 @@
 
 import org.lfenergy.compas.scl.validator.exception.SclValidatorException;
 
-import javax.xml.XMLConstants;
 import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.events.StartElement;

validator/src/main/java/org/lfenergy/compas/scl/validator/xsd/SclResourceResolver.java

@@ -13,6 +13,7 @@
 import javax.xml.validation.Validator;
 
 import org.lfenergy.compas.scl.validator.model.ValidationError;
+import org.lfenergy.compas.scl.validator.xsd.resourceresolver.ResourceResolver;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.xml.sax.ErrorHandler;
@@ -34,7 +35,7 @@ public XSDValidator(List<ValidationError> errorList, String sclData) {
 
         try {
             var factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
-            factory.setResourceResolver(new SclResourceResolver(sclVersion));
+            factory.setResourceResolver(new ResourceResolver(sclVersion));
             var schema = factory.newSchema(
                     new StreamSource(getClass().getClassLoader().getResourceAsStream("xsd/SCL" + sclVersion + "/SCL.xsd")));
             validator = schema.newValidator();

validator/src/main/java/org/lfenergy/compas/scl/validator/xsd/XSDValidator.java

@@ -0,0 +1,111 @@
+package org.lfenergy.compas.scl.validator.xsd.resourceresolver;
+
+import org.lfenergy.compas.scl.validator.exception.SclValidatorException;
+import org.w3c.dom.ls.LSInput;
+
+import java.io.BufferedInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.nio.charset.StandardCharsets;
+
+import static org.lfenergy.compas.scl.validator.exception.SclValidatorErrorCode.RESOURCE_RESOLVER_FAILED;
+
+public class ResourceInput implements LSInput {
+    private String publicId;
+    private String systemId;
+    private final BufferedInputStream inputStream;
+
+    public ResourceInput(String publicId, String sysId, InputStream input) {
+        this.publicId = publicId;
+        this.systemId = sysId;
+        this.inputStream = new BufferedInputStream(input);
+    }
+
+    public String getPublicId() {
+        return publicId;
+    }
+
+    @Override
+    public void setPublicId(String publicId) {
+        this.publicId = publicId;
+    }
+
+    @Override
+    public String getBaseURI() {
+        return null;
+    }
+
+    @Override
+    public InputStream getByteStream() {
+        return null;
+    }
+
+    @Override
+    public boolean getCertifiedText() {
+        return false;
+    }
+
+    @Override
+    public Reader getCharacterStream() {
+        return null;
+    }
+
+    @Override
+    public String getEncoding() {
+        return null;
+    }
+
+    @Override
+    public String getStringData() {
+        synchronized (inputStream) {
+            try {
+                return new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);
+            } catch (IOException e) {
+                throw new SclValidatorException(RESOURCE_RESOLVER_FAILED,
+                        "StringData of ResourceResolver cannot be retrieved");
+            }
+        }
+    }
+
+    @Override
+    public void setBaseURI(String baseURI) {
+        // Needs override, but nothing to implement.
+    }
+
+    @Override
+    public void setByteStream(InputStream byteStream) {
+        // Needs override, but nothing to implement.
+    }
+
+    @Override
+    public void setCertifiedText(boolean certifiedText) {
+        // Needs override, but nothing to implement.
+    }
+
+    @Override
+    public void setCharacterStream(Reader characterStream) {
+        // Needs override, but nothing to implement.
+    }
+
+    @Override
+    public void setEncoding(String encoding) {
+        // Needs override, but nothing to implement.
+    }
+
+    @Override
+    public void setStringData(String stringData) {
+        // Needs override, but nothing to implement.
+    }
+
+    @Override
+    public String getSystemId() {
+        return systemId;
+    }
+
+    @Override
+    public void setSystemId(String systemId) {
+        this.systemId = systemId;
+    }
+}
+

validator/src/main/java/org/lfenergy/compas/scl/validator/xsd/resourceresolver/ResourceInput.java

@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: 2022 Alliander N.V.
+//
+// SPDX-License-Identifier: Apache-2.0
+package org.lfenergy.compas.scl.validator.xsd.resourceresolver;
+
+import org.w3c.dom.ls.LSInput;
+import org.w3c.dom.ls.LSResourceResolver;
+
+import java.io.InputStream;
+
+public class ResourceResolver implements LSResourceResolver {
+    private final String sclVersion;
+
+    ResourceResolver(String sclVersion) {
+        this.sclVersion = sclVersion;
+    }
+
+    public LSInput resolveResource(String type, String namespaceURI,
+                                   String publicId, String systemId, String baseURI) {
+        InputStream resourceAsStream = this.getClass().getClassLoader()
+                .getResourceAsStream("xsd/SCL" + sclVersion + "/" + systemId);
+        return new ResourceInput(publicId, systemId, resourceAsStream);
+    }
+}