1 files changed, 0 insertions, 247 deletions
diff --git a/jsf/plugins/org.eclipse.jst.pagedesigner.jsp.core/src/org/eclipse/jst/pagedesigner/jsp/core/el/JSFELParserHelper.java b/jsf/plugins/org.eclipse.jst.pagedesigner.jsp.core/src/org/eclipse/jst/pagedesigner/jsp/core/el/JSFELParserHelper.java
deleted file mode 100644
index 1cc543844..000000000
--- a/jsf/plugins/org.eclipse.jst.pagedesigner.jsp.core/src/org/eclipse/jst/pagedesigner/jsp/core/el/JSFELParserHelper.java
+++ /dev/null
@@ -1,247 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2006 Sybase, Inc. 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:
- *     Sybase, Inc. - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jst.pagedesigner.jsp.core.el;
-
-import java.io.StringReader;
-
-import org.apache.commons.el.Expression;
-import org.apache.commons.el.ExpressionString;
-import org.apache.commons.el.parser.ELParser;
-import org.apache.commons.el.parser.ParseException;
-
-/**
- * Utility class to implement support functionality to "morph" JSP EL into JSF
- * EL
- * 
- * @author mengbo
- * @version 1.5
- */
-public final class JSFELParserHelper {
-	public static String JSF_EL_LEFT_BRACE = "#{";
-
-	public static String JSF_EL_RIGHT_BRACE = "}";
-
-	private JSFELParserHelper() {
-		// util class, do not instantiate
-	}
-
-	/**
-	 * Gets the parsed form of the given expression string. Returns either an
-	 * Expression or ExpressionString.
-	 */
-	public static Object parseExpression(String expressionString) {
-		expressionString = toJspElExpression(expressionString);
-
-		ELParser parser = new ELParser(new StringReader(expressionString));
-		try {
-			Object expression = parser.ExpressionString();
-			if (!(expression instanceof Expression)
-					&& !(expression instanceof ExpressionString)) {
-				return null;
-			}
-
-			return expression;
-		} catch (ParseException e) {
-
-			// String msg = "Invalid expression: '" + expressionString + "'";
-			// log.debug(msg, e);
-			// throw new ReferenceSyntaxException(msg, e);
-		}
-		return null;
-	}
-
-	public static boolean isValidEL(String expressionString) {
-		if (expressionString == null || expressionString.length() == 0) {
-			return false;
-		}
-
-		return expressionString.startsWith(JSF_EL_LEFT_BRACE)
-				&& expressionString.endsWith(JSF_EL_RIGHT_BRACE);
-	}
-
-	public static String trimELBrace(String expressionString) {
-		if (!isValidEL(expressionString)) {
-			return expressionString;
-		}
-		String trimedExpression = null;
-
-		trimedExpression = expressionString.substring(JSF_EL_LEFT_BRACE
-				.length(), expressionString.length()
-				- JSF_EL_RIGHT_BRACE.length());
-
-		return trimedExpression;
-	}
-
-	/**
-	 * Convert ValueBinding syntax #{ } to JSP EL syntax ${ }
-	 * 
-	 * @param expressionString
-	 *            <code>ValueBinding</code> reference expression
-	 * 
-	 * @return JSP EL compatible expression
-	 */
-	public static String toJspElExpression(String expressionString) {
-		StringBuffer sb = new StringBuffer(expressionString.length());
-		int remainsPos = 0;
-
-		for (int posOpenBrace = expressionString.indexOf('{'); posOpenBrace >= 0; posOpenBrace = expressionString
-				.indexOf('{', remainsPos)) {
-			if (posOpenBrace > 0) {
-				if (posOpenBrace - 1 > remainsPos)
-					sb.append(expressionString.substring(remainsPos,
-							posOpenBrace - 1));
-
-				if (expressionString.charAt(posOpenBrace - 1) == '$') {
-					sb.append("${'${'}");
-					remainsPos = posOpenBrace + 1;
-					continue;
-				} else if (expressionString.charAt(posOpenBrace - 1) == '#') {
-					// TODO: should use \\ as escape for \ always, not just when
-					// before #{
-					// allow use of '\' as escape symbol for #{ (for
-					// compatibility with Sun's extended implementation)
-					/*
-					 * if (isEscaped(expressionString, posOpenBrace - 1)) {
-					 * escapes: { for (int i = sb.length() - 1; i >= 0; i--) {
-					 * if (sb.charAt(i) != '\\') { sb.setLength( sb.length() -
-					 * (sb.length() - i) / 2); break escapes; } }
-					 * sb.setLength(sb.length() / 2); } sb.append("#{"); } else {
-					 */
-					sb.append("${");
-					int posCloseBrace = indexOfMatchingClosingBrace(
-							expressionString, posOpenBrace);
-					sb.append(expressionString.substring(posOpenBrace + 1,
-							posCloseBrace + 1));
-					remainsPos = posCloseBrace + 1;
-					continue;
-					// }
-				} else {
-					if (posOpenBrace > remainsPos)
-						sb.append(expressionString.charAt(posOpenBrace - 1));
-				}
-			}
-
-			// Standalone brace
-			sb.append('{');
-			remainsPos = posOpenBrace + 1;
-		}
-
-		sb.append(expressionString.substring(remainsPos));
-
-		// Create a new String to shrink mem size since we are caching
-		return new String(sb.toString());
-	}
-
-	private static int findQuote(String expressionString, int start) {
-		int indexofSingleQuote = expressionString.indexOf('\'', start);
-		int indexofDoubleQuote = expressionString.indexOf('"', start);
-		return minIndex(indexofSingleQuote, indexofDoubleQuote);
-	}
-
-	/**
-	 * Return the index of the matching closing brace, skipping over quoted text
-	 * 
-	 * @param expressionString
-	 *            string to search
-	 * @param indexofOpeningBrace
-	 *            the location of opening brace to match
-	 * 
-	 * @return the index of the matching closing brace
-	 * 
-	 * @throws ReferenceSyntaxException
-	 *             if matching brace cannot be found
-	 */
-	private static int indexOfMatchingClosingBrace(String expressionString,
-			int indexofOpeningBrace) {
-		int len = expressionString.length();
-		int i = indexofOpeningBrace + 1;
-
-		// Loop through quoted strings
-		for (;;) {
-			if (i >= len) {
-				throw new IllegalStateException(
-						"Missing closing brace. Expression: '"
-								+ expressionString + "'");
-			}
-
-			int indexofClosingBrace = expressionString.indexOf('}', i);
-			i = minIndex(indexofClosingBrace, findQuote(expressionString, i));
-
-			if (i < 0) {
-				// No delimiter found
-				throw new IllegalStateException(
-						"Missing closing brace. Expression: '"
-								+ expressionString + "'");
-			}
-
-			// 1. If quoted literal, find closing quote
-			if (i != indexofClosingBrace) {
-				i = indexOfMatchingClosingQuote(expressionString, i) + 1;
-				if (i == 0) {
-					// Note: if no match, i==0 because -1 + 1 = 0
-					throw new IllegalStateException(
-							"Missing closing quote. Expression: '"
-									+ expressionString + "'");
-				}
-			} else {
-				// Closing brace
-				return i;
-			}
-		}
-	}
-
-	/**
-	 * Returns the index of the matching closing quote, skipping over escaped
-	 * quotes
-	 * 
-	 * @param expressionString
-	 *            string to scan
-	 * @param indexOfOpeningQuote
-	 *            start from this position in the string
-	 * @return -1 if no match, the index of closing quote otherwise
-	 */
-	private static int indexOfMatchingClosingQuote(String expressionString,
-			int indexOfOpeningQuote) {
-		char quote = expressionString.charAt(indexOfOpeningQuote);
-		for (int i = expressionString.indexOf(quote, indexOfOpeningQuote + 1); i >= 0; i = expressionString
-				.indexOf(quote, i + 1)) {
-			if (!isEscaped(expressionString, i)) {
-				return i;
-			}
-		}
-
-		// No matching quote found
-		return -1;
-	}
-
-	private static boolean isEscaped(String expressionString, int i) {
-		int escapeCharCount = 0;
-		while ((--i >= 0) && (expressionString.charAt(i) == '\\')) {
-			escapeCharCount++;
-		}
-
-		return (escapeCharCount % 2) != 0;
-	}
-
-	/**
-	 * Returns the minimum index >= 0, if any
-	 * 
-	 * <p>
-	 * Use to find the first of two characters in a string:<br>
-	 * <code>minIndex(s.indexOf('/'), indexOf('\'))</code>
-	 * </p>
-	 * 
-	 */
-	public static int minIndex(int a, int b) {
-		return (a < 0) ? b : (b < 0) ? a : (a < b) ? a : b;
-	}
-}