| /******************************************************************************* |
| * Copyright (c) 2001, 2015 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * Angelo Zerr <angelo.zerr@gmail.com> - copied from org.eclipse.wst.xml.core.internal.encoding.XMLDocumentLoader |
| * modified in order to process JSON Objects. |
| *******************************************************************************/ |
| package org.eclipse.wst.json.core.internal.encoding; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.jface.text.IDocumentPartitioner; |
| import org.eclipse.wst.json.core.contenttype.ContentTypeIdForJSON; |
| import org.eclipse.wst.json.core.internal.parser.JSONSourceParser; |
| import org.eclipse.wst.json.core.internal.text.JSONStructuredDocumentReParser; |
| import org.eclipse.wst.json.core.internal.text.StructuredTextPartitionerForJSON; |
| import org.eclipse.wst.sse.core.internal.document.AbstractDocumentLoader; |
| import org.eclipse.wst.sse.core.internal.document.IDocumentCharsetDetector; |
| import org.eclipse.wst.sse.core.internal.document.IDocumentLoader; |
| import org.eclipse.wst.sse.core.internal.document.StructuredDocumentFactory; |
| import org.eclipse.wst.sse.core.internal.encoding.ContentTypeEncodingPreferences; |
| import org.eclipse.wst.sse.core.internal.ltk.parser.RegionParser; |
| import org.eclipse.wst.sse.core.internal.provisional.document.IEncodedDocument; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; |
| import org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument; |
| |
| public class JSONDocumentLoader extends AbstractDocumentLoader { |
| |
| private final static String JSON_ID = ContentTypeIdForJSON.ContentTypeID_JSON; |
| |
| private IDocumentCharsetDetector documentEncodingDetector; |
| |
| public JSONDocumentLoader() { |
| super(); |
| } |
| |
| /* |
| * protected String getEncodingNameByGuess(byte[] string, int length) { |
| * String ianaEnc = null; ianaEnc = EncodingGuesser.guessEncoding(string, |
| * length); return ianaEnc; } |
| */ |
| |
| /** |
| * Default encoding. For JSON there is no spec'd default. |
| */ |
| protected String getSpecDefaultEncoding() { |
| return null; |
| } |
| |
| @Override |
| protected IEncodedDocument newEncodedDocument() { |
| IStructuredDocument structuredDocument = StructuredDocumentFactory |
| .getNewStructuredDocumentInstance(getParser()); |
| if (structuredDocument instanceof BasicStructuredDocument) { |
| ((BasicStructuredDocument) structuredDocument) |
| .setReParser(new JSONStructuredDocumentReParser()); |
| } |
| return structuredDocument; |
| } |
| |
| public RegionParser getParser() { |
| // return new JSONRegionParser(); |
| return new JSONSourceParser(); |
| } |
| |
| @Override |
| protected String getPreferredNewLineDelimiter(IFile file) { |
| String delimiter = ContentTypeEncodingPreferences |
| .getPreferredNewLineDelimiter(JSON_ID); |
| if (delimiter == null) |
| delimiter = super.getPreferredNewLineDelimiter(file); |
| return delimiter; |
| } |
| |
| @Override |
| public IDocumentCharsetDetector getDocumentEncodingDetector() { |
| if (documentEncodingDetector == null) { |
| documentEncodingDetector = new JSONDocumentCharsetDetector(); |
| } |
| return documentEncodingDetector; |
| } |
| |
| @Override |
| public IDocumentPartitioner getDefaultDocumentPartitioner() { |
| return new StructuredTextPartitionerForJSON(); |
| } |
| |
| public IDocumentLoader newInstance() { |
| return new JSONDocumentLoader(); |
| } |
| |
| } |