1 files changed, 0 insertions, 264 deletions
diff --git a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/contenttype/ContentDescriberForXML.java b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/contenttype/ContentDescriberForXML.java
deleted file mode 100644
index 9e56e7029e..0000000000
--- a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/contenttype/ContentDescriberForXML.java
+++ /dev/null
@@ -1,264 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2006 IBM Corporation and others.
- * 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:
- *     IBM Corporation - initial API and implementation
- *     Jens Lukowski/Innoopract - initial renaming/restructuring
- *     
- *******************************************************************************/
-package org.eclipse.wst.xml.core.internal.contenttype;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.Reader;
-
-import org.eclipse.core.runtime.QualifiedName;
-import org.eclipse.core.runtime.content.IContentDescriber;
-import org.eclipse.core.runtime.content.IContentDescription;
-import org.eclipse.core.runtime.content.ITextContentDescriber;
-import org.eclipse.wst.sse.core.internal.encoding.EncodingMemento;
-import org.eclipse.wst.sse.core.internal.encoding.IContentDescriptionExtended;
-import org.eclipse.wst.sse.core.internal.encoding.IResourceCharsetDetector;
-
-
-public final class ContentDescriberForXML implements ITextContentDescriber {
-	private final static QualifiedName[] SUPPORTED_OPTIONS = {IContentDescription.CHARSET, IContentDescription.BYTE_ORDER_MARK, IContentDescriptionExtended.DETECTED_CHARSET, IContentDescriptionExtended.UNSUPPORTED_CHARSET, IContentDescriptionExtended.APPROPRIATE_DEFAULT};
-	/**
-	 * <code>restrictedMode</code> is used just for testing/experiments.
-	 * 
-	 * If in restrictedMode, our "custom" contentType is seen as valid only in
-	 * cases that the platform's standard one does not cover.
-	 */
-	private final static boolean restrictedMode = true;
-	private IResourceCharsetDetector getDetector() {
-			return new XMLResourceEncodingDetector();
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.core.runtime.content.IContentDescriber#describe(java.io.InputStream,
-	 *      org.eclipse.core.runtime.content.IContentDescription)
-	 */
-	public int describe(InputStream contents, IContentDescription description) throws IOException {
-		// for this special case, always assume invalid, unless
-		// our special circumstances are met.
-		int result = IContentDescriber.INVALID;
-
-		if (description == null) {
-			// purely request for validty
-			result = determineValidity(result, contents);
-		}
-		else {
-			result = calculateSupportedOptions(result, contents, description);
-		}
-		return result;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.core.runtime.content.ITextContentDescriber#describe(java.io.Reader,
-	 *      org.eclipse.core.runtime.content.IContentDescription)
-	 */
-	public int describe(Reader contents, IContentDescription description) throws IOException {
-		// for this special case, always assume invalid, unless
-		// our special circumstances are met.
-		int result = IContentDescriber.INVALID;
-
-		if (description == null) {
-			// purely request for validty
-			result = determineValidity(result, contents);
-		}
-		else {
-			result = calculateSupportedOptions(result, contents, description);
-		}
-		return result;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.core.runtime.content.IContentDescriber#getSupportedOptions()
-	 */
-	public QualifiedName[] getSupportedOptions() {
-
-		return SUPPORTED_OPTIONS;
-	}
-
-	private int calculateSupportedOptions(int result, InputStream contents, IContentDescription description) throws IOException {
-		int returnResult = result;
-		if (isRelevent(description)) {
-			IResourceCharsetDetector detector = getDetector();
-			contents.reset();
-			detector.set(contents);
-			returnResult = handleCalculations(result, description, detector);
-		}
-		return returnResult;
-	}
-
-	private int determineValidity(int result, InputStream contents) throws IOException {
-		int returnResult = result;
-		IResourceCharsetDetector detector = getDetector();
-		contents.reset();
-		detector.set(contents);
-		returnResult = determineValidity(detector, returnResult);
-		return returnResult;
-	}
-	private int determineValidity(int result, Reader contents) throws IOException {
-		int returnResult = result;
-		IResourceCharsetDetector detector = getDetector();
-		contents.reset();
-		detector.set(contents);
-		returnResult = determineValidity(detector, returnResult);
-		return returnResult;
-	}
-	/**
-	 * @param contents
-	 * @param description
-	 * @throws IOException
-	 */
-	private int calculateSupportedOptions(int result, Reader contents, IContentDescription description) throws IOException {
-		int returnResult = result;
-		if (isRelevent(description)) {
-			IResourceCharsetDetector detector = getDetector();
-			detector.set(contents);
-			returnResult = handleCalculations(result, description, detector);
-		}
-		return returnResult;
-	}
-
-	private void handleDetectedSpecialCase(IContentDescription description, Object detectedCharset, Object javaCharset) {
-		// since equal, we don't need to add, but if our detected version is
-		// different than
-		// javaCharset, then we should add it. This will happen, for example,
-		// if there's
-		// differences in case, or differences due to override properties
-		if (detectedCharset != null) {
-			// if (!detectedCharset.equals(javaCharset)) {
-			// description.setProperty(IContentDescriptionExtended.DETECTED_CHARSET,
-			// detectedCharset);
-			// }
-
-			// Once we detected a charset, we should set the property even
-			// though it's the same as javaCharset
-			// because there are clients that rely on this property to
-			// determine if the charset is actually detected in file or not.
-			description.setProperty(IContentDescriptionExtended.DETECTED_CHARSET, detectedCharset);
-		}
-	}
-
-	/**
-	 * @param description
-	 * @return
-	 */
-	private boolean isRelevent(IContentDescription description) {
-		boolean result = false;
-		if (description == null)
-			result = false;
-		else if (description.isRequested(IContentDescription.BYTE_ORDER_MARK))
-			result = true;
-		else if (description.isRequested(IContentDescription.CHARSET))
-			result = true;
-		else if (description.isRequested(IContentDescriptionExtended.APPROPRIATE_DEFAULT))
-			result = true;
-		else if (description.isRequested(IContentDescriptionExtended.DETECTED_CHARSET))
-			result = true;
-		else if (description.isRequested(IContentDescriptionExtended.UNSUPPORTED_CHARSET))
-			result = true;
-		return result;
-	}
-
-	/**
-	 * @param description
-	 * @param detector
-	 * @throws IOException
-	 */
-	private int handleCalculations(int result, IContentDescription description, IResourceCharsetDetector detector) throws IOException {
-		int returnResult = result;
-		EncodingMemento encodingMemento = ((XMLResourceEncodingDetector) detector).getEncodingMemento();
-		if (description != null) {
-			// TODO: I need to verify to see if this BOM work is always done
-			// by text type.
-			Object detectedByteOrderMark = encodingMemento.getUnicodeBOM();
-			if (detectedByteOrderMark != null) {
-				Object existingByteOrderMark = description.getProperty(IContentDescription.BYTE_ORDER_MARK);
-				// not sure why would ever be different, so if is different,
-				// may
-				// need to "push" up into base.
-				if (!detectedByteOrderMark.equals(existingByteOrderMark))
-					description.setProperty(IContentDescription.BYTE_ORDER_MARK, detectedByteOrderMark);
-			}
-
-
-			if (!encodingMemento.isValid()) {
-				// note: after setting here, its the mere presence of
-				// IContentDescriptionExtended.UNSUPPORTED_CHARSET
-				// in the resource's description that can be used to determine
-				// if invalid in those cases, the "detected" property contains
-				// an "appropriate default" to use.
-				description.setProperty(IContentDescriptionExtended.UNSUPPORTED_CHARSET, encodingMemento.getInvalidEncoding());
-				description.setProperty(IContentDescriptionExtended.APPROPRIATE_DEFAULT, encodingMemento.getAppropriateDefault());
-			}
-
-			Object detectedCharset = encodingMemento.getDetectedCharsetName();
-			Object javaCharset = encodingMemento.getJavaCharsetName();
-
-			// we always include detected, if its different than java
-			handleDetectedSpecialCase(description, detectedCharset, javaCharset);
-
-			if (javaCharset != null) {
-				Object existingCharset = description.getProperty(IContentDescription.CHARSET);
-				if (javaCharset.equals(existingCharset)) {
-					handleDetectedSpecialCase(description, detectedCharset, javaCharset);
-				}
-				else {
-					// we may need to add what we found, but only need to add
-					// if different from the default
-					Object defaultCharset = detector.getSpecDefaultEncoding();
-					if (defaultCharset != null) {
-						if (!defaultCharset.equals(javaCharset)) {
-							description.setProperty(IContentDescription.CHARSET, javaCharset);
-						}
-					}
-					else {
-						// assuming if there is no spec default, we always
-						// need to add.
-						// TODO: this is probably a dead branch in current
-						// code, should re-examine for removal.
-						description.setProperty(IContentDescription.CHARSET, javaCharset);
-					}
-				}
-			}
-		}
-
-		returnResult = determineValidity(detector, returnResult);
-		return returnResult;
-	}
-
-	private int determineValidity(IResourceCharsetDetector detector, int returnResult) {
-		// we always expect XMLResourceEncodingDetector, but just to make safe
-		// cast.
-		if (detector instanceof XMLResourceEncodingDetector) {
-			XMLResourceEncodingDetector xmlResourceDetector = (XMLResourceEncodingDetector) detector;
-			if (xmlResourceDetector.isDeclDetected()) {
-				if (restrictedMode) {
-					// if there is no initial whitespace, then platform's
-					// default one will do.
-					if (xmlResourceDetector.hasInitialWhiteSpace()) {
-						returnResult = IContentDescriber.VALID;
-					}
-				}
-				else {
-					returnResult = IContentDescriber.VALID;
-				}
-			}
-		}
-		return returnResult;
-	}
-
-}