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Retrieve the right XSL Schema from the xsl:stylesheet/@Version + deploy
xsd in the "user.home" (see #91)
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83 changes: 58 additions & 25 deletions
83
...pse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/xsl/XSLURIResolverExtension.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,60 +1,93 @@ | ||
| /** | ||
| * Copyright (c) 2018 Angelo ZERR. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation | ||
| */ | ||
| package org.eclipse.lsp4xml.extensions.xsl; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.Writer; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
|
|
||
| import org.eclipse.lsp4xml.dom.Element; | ||
| import org.eclipse.lsp4xml.dom.XMLDocument; | ||
| import org.eclipse.lsp4xml.services.IXMLDocumentProvider; | ||
| import org.eclipse.lsp4xml.uriresolver.URIResolverExtension; | ||
| import org.eclipse.lsp4xml.utils.FilesUtils; | ||
|
|
||
| /** | ||
| * Resolve the XSL XML Schema to use according the xsl:stylesheet/@version | ||
| * | ||
| */ | ||
| public class XSLURIResolverExtension implements URIResolverExtension { | ||
|
|
||
| /** | ||
| * The XSL namespace URI (= http://www.w3.org/1999/XSL/Transform) | ||
| */ | ||
| private static final String XSL_NAMESPACE_URI = "http://www.w3.org/1999/XSL/Transform"; //$NON-NLS-1$ | ||
|
|
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| private final IXMLDocumentProvider documentProvider; | ||
|
|
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| public XSLURIResolverExtension(IXMLDocumentProvider documentProvider) { | ||
| this.documentProvider = documentProvider; | ||
| } | ||
|
|
||
| @Override | ||
| public String resolve(String baseLocation, String publicId, String systemId) { | ||
| if (!XSL_NAMESPACE_URI.equals(publicId)) { | ||
| return null; | ||
| } else { | ||
|
|
||
| } | ||
| else { | ||
|
|
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| String version = getVersion(baseLocation); | ||
| if (version == null) { | ||
| return null; | ||
| } | ||
| // TODO: extract version from XML Document | ||
| String version = "1.0"; | ||
| String schemaFileName = "xslt-" + version + ".xsd"; | ||
| String schemaPath = "/schemas/xslt/" + schemaFileName; | ||
|
|
||
| String schemaFileName = "xslt-" + version + ".xsd"; | ||
| String schemaPath = "schemas/xslt/" + schemaFileName; | ||
| try { | ||
| Path baseDir = Paths.get("/lsp4xml"); | ||
| Files.createDirectories(baseDir); | ||
| Path outFile = baseDir.resolve(schemaFileName); | ||
| Path outFile = FilesUtils.getDeployedPath(Paths.get(schemaPath)); | ||
| if (!outFile.toFile().exists()) { | ||
| InputStream in = XSLURIResolverExtension.class.getResourceAsStream(schemaPath); | ||
| String xml = convertStreamToString(in); | ||
| saveToFile(xml, outFile); | ||
| try (InputStream in = XSLURIResolverExtension.class.getResourceAsStream("/" + schemaPath)) { | ||
| FilesUtils.saveToFile(in, outFile); | ||
| } | ||
| } | ||
| return outFile.toFile().toURI().toString(); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| // Do nothing? | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| private static void saveToFile(String xml, Path outFile) throws IOException { | ||
| try (Writer writer = Files.newBufferedWriter(outFile, StandardCharsets.UTF_8)) { | ||
| writer.write(xml); | ||
| /** | ||
| * Returns the version coming from xsl:stylesheet/@version of the XML document | ||
| * retrieved by the given uri | ||
| * | ||
| * @param uri | ||
| * @return the version coming from xsl:stylesheet/@version of the XML document | ||
| * retrieved by the given uri | ||
| */ | ||
| private String getVersion(String uri) { | ||
| if (documentProvider == null) { | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
| static String convertStreamToString(java.io.InputStream is) { | ||
| java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A"); | ||
| return s.hasNext() ? s.next() : ""; | ||
| XMLDocument document = documentProvider.getDocument(uri); | ||
| if (document != null) { | ||
| Element element = document.getDocumentElement(); | ||
| if (element != null) { | ||
| String version = element.getAttributeValue("version"); | ||
| if (version != null) { | ||
| return version; | ||
| } | ||
| } | ||
| } | ||
| return "1.0"; | ||
| } | ||
|
|
||
| } |
32 changes: 32 additions & 0 deletions
32
org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/services/IXMLDocumentProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /** | ||
| * Copyright (c) 2018 Angelo ZERR | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation | ||
| */ | ||
| package org.eclipse.lsp4xml.services; | ||
|
|
||
| import org.eclipse.lsp4xml.dom.XMLDocument; | ||
|
|
||
| /** | ||
| * {@link XMLDocument} provider. | ||
| * | ||
| * @author Angelo ZERR | ||
| * | ||
| */ | ||
| public interface IXMLDocumentProvider { | ||
|
|
||
| /** | ||
| * Returns the {@link XMLDocument} instance from the given <code>uri</code> and | ||
| * null otherwise. | ||
| * | ||
| * @param uri the document URI. | ||
| * @return the {@link XMLDocument} instance from the given <code>uri</code> and | ||
| * null otherwise. | ||
| */ | ||
| XMLDocument getDocument(String uri); | ||
| } |
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91 changes: 91 additions & 0 deletions
91
org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/utils/FilesUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| /** | ||
| * Copyright (c) 2018 Angelo ZERR | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation | ||
| */ | ||
| package org.eclipse.lsp4xml.utils; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.Writer; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
| import java.util.Scanner; | ||
|
|
||
| /** | ||
| * Files utilities. | ||
| * | ||
| */ | ||
| public class FilesUtils { | ||
|
|
||
| private static final Path DEPLOYED_BASE_PATH = getDeployedBasePath(); | ||
|
|
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| private static Path getDeployedBasePath() { | ||
| String dir = System.getProperty("user.home"); | ||
| if (dir == null) { | ||
| dir = System.getProperty("user.dir"); | ||
| } | ||
| if (dir == null) { | ||
| dir = ""; | ||
| } | ||
| return Paths.get(dir, ".lsp4xml"); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the deployed path from the given <code>path</code>. | ||
| * | ||
| * @param path the path | ||
| * @return the deployed path from the given <code>path</code>. | ||
| * @throws IOException | ||
| */ | ||
| public static Path getDeployedPath(Path path) throws IOException { | ||
| Path deployedPath = DEPLOYED_BASE_PATH.resolve(path); | ||
| if (Files.exists(deployedPath)) { | ||
| return deployedPath; | ||
| } | ||
| if (!Files.exists(deployedPath.getParent())) { | ||
| Files.createDirectories(deployedPath.getParent()); | ||
| } | ||
| return deployedPath; | ||
| } | ||
|
|
||
| /** | ||
| * Save the given input stream <code>in</code> in the give out file | ||
| * <code>outFile</code> | ||
| * | ||
| * @param in the input stream | ||
| * @param outFile the output file | ||
| * @throws IOException | ||
| */ | ||
| public static void saveToFile(InputStream in, Path outFile) throws IOException { | ||
| saveToFile(toString(in), outFile); | ||
| } | ||
|
|
||
| /** | ||
| * Save the given String <code>content</code> in the give out file | ||
| * <code>outFile</code> | ||
| * | ||
| * @param content the string content | ||
| * @param outFile the output file | ||
| * @throws IOException | ||
| */ | ||
| public static void saveToFile(String content, Path outFile) throws IOException { | ||
| try (Writer writer = Files.newBufferedWriter(outFile, StandardCharsets.UTF_8)) { | ||
| writer.write(content); | ||
| } | ||
| } | ||
|
|
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| static String toString(InputStream is) { | ||
| try (Scanner s = new Scanner(is)) { | ||
| s.useDelimiter("\\A"); | ||
| return s.hasNext() ? s.next() : ""; | ||
| } | ||
| } | ||
| } |
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