1 files changed, 0 insertions, 122 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/EmptyUnaryOperator.java b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/EmptyUnaryOperator.java
deleted file mode 100644
index 812d1cb00..000000000
--- a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/EmptyUnaryOperator.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2006 Oracle Corporation.
- * 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:
- *    Cameron Bateman/Oracle - initial API and implementation
- *    
- ********************************************************************************/
-
-package org.eclipse.jst.jsf.validation.internal.el.operators;
-
-import org.eclipse.emf.common.util.Diagnostic;
-import org.eclipse.jdt.core.Signature;
-import org.eclipse.jst.jsf.common.internal.types.BooleanLiteralType;
-import org.eclipse.jst.jsf.common.internal.types.NullLiteralType;
-import org.eclipse.jst.jsf.common.internal.types.StringLiteralType;
-import org.eclipse.jst.jsf.common.internal.types.TypeConstants;
-import org.eclipse.jst.jsf.common.internal.types.ValueType;
-import org.eclipse.jst.jsf.validation.internal.el.diagnostics.DiagnosticFactory;
-
-/**
- * Represents the EL unary operator '-' on a ValueType 
- * as described by JSP.2.3.7
- * 
- * @author cbateman
- *
- */
-/*package*/ class EmptyUnaryOperator extends UnaryOperator 
-{
-    private static final String EMPTY = "empty";
-
-    EmptyUnaryOperator(DiagnosticFactory diagnosticFactory) 
-    {
-        super(diagnosticFactory);
-    }
-
-    public ValueType performOperation(ValueType type) 
-    {
-        if (type instanceof StringLiteralType)
-        {
-            if ("".equals(((StringLiteralType)type).getLiteralValue()))
-            {
-                // if the string is empty, operator always returns true
-                return BooleanLiteralType.TRUE;
-            }
-
-            // if the string is empty, operator always returns true
-            return BooleanLiteralType.FALSE;
-        }
-
-        // empty(null) is always true
-        if (type instanceof NullLiteralType)
-        {
-            return BooleanLiteralType.TRUE;
-        }
-        
-        // if the type is not string, array, Map, or Collection 
-        // then empty is always false
-        String testSig = type.getSignature();
-        
-        if (!TypeConstants.TYPE_STRING.equals(testSig)
-                && !type.isInstanceOf(TypeConstants.TYPE_COLLECTION)
-                && !type.isInstanceOf(TypeConstants.TYPE_MAP)
-                && Signature.getTypeSignatureKind(testSig) != Signature.ARRAY_TYPE_SIGNATURE)
-        {
-            return BooleanLiteralType.FALSE;
-        }
-        
-        // otherwise, return a generic boolean type
-        return new ValueType(TypeConstants.TYPE_BOOLEAN, type.getAssignability());
-    }
-
-    public Diagnostic validate(ValueType type) 
-    {
-        // empty always validates to false unless:
-        // the value is an empty string, array, map or collection
-        // one thing we do is see if the thing is a literal.  If it is
-        // we can warn that the value could be folded
-        if (type instanceof StringLiteralType)
-        {
-            String condition;
-            
-            if ("".equals(((StringLiteralType)type).getLiteralValue()))
-            {
-                condition = "true";
-            }
-            else
-            {
-                condition = "false";
-            }
-
-            return _diagnosticFactory.
-                create_UNARY_OP_CONSTANT_EXPRESSION_EVAL_SAME_ID
-                    (EMPTY,condition);
-        }
-        
-        // empty(null) is always true
-        if (type instanceof NullLiteralType)
-        {
-            return _diagnosticFactory.
-            create_UNARY_OP_CONSTANT_EXPRESSION_EVAL_SAME_ID
-                (EMPTY,"true");
-        }
-        
-        // if the type is not string, array, Map, or Collection warn that
-        // this may be always false
-        String testSig = type.getSignature();
-        
-        if (!TypeConstants.TYPE_STRING.equals(testSig)
-                && !type.isInstanceOf(TypeConstants.TYPE_COLLECTION)
-                && !type.isInstanceOf(TypeConstants.TYPE_MAP)
-                && Signature.getTypeSignatureKind(testSig) != Signature.ARRAY_TYPE_SIGNATURE)
-        {
-            return _diagnosticFactory.create_UNARY_OP_EMPTY_ALWAYS_FALSE_ON_TYPE();
-        }
-        
-        return Diagnostic.OK_INSTANCE;
-    }
-}