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Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/RelationalBinaryOperator.java')
-rw-r--r--jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/RelationalBinaryOperator.java239
1 files changed, 0 insertions, 239 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/RelationalBinaryOperator.java b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/RelationalBinaryOperator.java
deleted file mode 100644
index 924ec9854..000000000
--- a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/RelationalBinaryOperator.java
+++ /dev/null
@@ -1,239 +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.jst.jsf.common.internal.types.BooleanLiteralType;
-import org.eclipse.jst.jsf.common.internal.types.IAssignable;
-import org.eclipse.jst.jsf.common.internal.types.LiteralType;
-import org.eclipse.jst.jsf.common.internal.types.TypeCoercer;
-import org.eclipse.jst.jsf.common.internal.types.TypeCoercionException;
-import org.eclipse.jst.jsf.common.internal.types.TypeConstants;
-import org.eclipse.jst.jsf.common.internal.types.TypeTransformer;
-import org.eclipse.jst.jsf.common.internal.types.ValueType;
-import org.eclipse.jst.jsf.core.IJSFCoreConstants;
-import org.eclipse.jst.jsf.validation.internal.el.diagnostics.DiagnosticFactory;
-
-
-/**
- * Super-class of all relational binary ops - "==", "!=", "<", ">", "<=", ">="
- * @author cbateman
- *
- */
-/*package*/ abstract class RelationalBinaryOperator extends BinaryOperator
-{
- private final String _jsfVersion;
-
- RelationalBinaryOperator(final DiagnosticFactory diagnosticFactory, final String jsfVersion)
- {
- super(diagnosticFactory);
- _jsfVersion = jsfVersion;
- }
-
- /**
- * @param firstArg
- * @param secondArg
- * @return the result of the operation
- */
- protected abstract boolean doRealOperation(Number firstArg, Number secondArg);
-
- /**
- * @param firstArg
- * @param secondArg
- * @return the result of the operation
- */
- protected abstract boolean doRealOperation(String firstArg, String secondArg);
-
- /**
- * @return the operation's user readable name
- */
- protected abstract String getOperationName();
-
- /**
- * Performs a the operation, casting both args to BigDecimal first
- *
- * @param firstArg
- * @param secondArg
- * @param numberType
- * @return the result of the comparison or null if indeterminate
- */
- protected ValueType handleNumericComparison(ValueType firstArg, ValueType secondArg, Class numberType)
- {
- try
- {
- TypeCoercer.coerceToNumber(TypeTransformer.transformBoxPrimitives(firstArg.getSignature()));
- TypeCoercer.coerceToNumber(TypeTransformer.transformBoxPrimitives(secondArg.getSignature()));
-
- Number firstValue = null;
- if (firstArg instanceof LiteralType)
- {
- firstValue = ((LiteralType)firstArg).coerceToNumber(numberType);
- }
-
- Number secondValue = null;
- if (secondArg instanceof LiteralType)
- {
- secondValue = ((LiteralType)secondArg).coerceToNumber(numberType);
- }
-
- if (firstValue != null && secondValue != null)
- {
- boolean result = doRealOperation(firstValue, secondValue);
-
- return result ? BooleanLiteralType.TRUE : BooleanLiteralType.FALSE;
- }
-
- // if we get to here, we only know that both can be up cast to BigDecimal
- // and compared. This will yield a boolean result
- // this value cannot be lhs
- return new ValueType(TypeConstants.TYPE_BOOLEAN, IAssignable.ASSIGNMENT_TYPE_RHS);
- }
- catch (TypeCoercionException tce)
- {
- // no valid coercion, so return null
- return null;
- }
- }
-
- /**
- * @param firstType
- * @param secondType
- * @param numberType
- * @return a diagnostic validating the relational comparison of firstType to secondType
- */
- protected Diagnostic validateNumericComparison(ValueType firstType, ValueType secondType, Class numberType)
- {
- try
- {
- TypeCoercer.coerceToNumber(TypeTransformer.transformBoxPrimitives(firstType.getSignature()));
- TypeCoercer.coerceToNumber(TypeTransformer.transformBoxPrimitives(secondType.getSignature()));
-
- Number firstValue = null;
- if (firstType instanceof LiteralType)
- {
- firstValue = ((LiteralType)firstType).coerceToNumber(numberType);
- }
-
- Number secondValue = null;
- if (secondType instanceof LiteralType)
- {
- secondValue = ((LiteralType)secondType).coerceToNumber(numberType);
- }
-
- if (firstValue != null && secondValue != null)
- {
- boolean result = doRealOperation(firstValue, secondValue);
-
- return _diagnosticFactory.
- create_BINARY_OP_CONSTANT_EXPRESSION_ALWAYS_EVAL_SAME
- (getOperationName(), Boolean.toString(result));
- }
-
- // if we get to here, we only know that both can be up cast to BigDecimal
- // and compared. This condition is okay
- return Diagnostic.OK_INSTANCE;
- }
- catch (TypeCoercionException tce)
- {
- // could not make numeric coercion for valid comparison
- return _diagnosticFactory.create_BINARY_OP_COULD_NOT_MAKE_NUMERIC_COERCION(getOperationName());
- }
- }
-
- /**
- * @param firstType
- * @param secondType
- * @return the result of the operation
- */
- protected ValueType handleStringComparison(ValueType firstType, ValueType secondType)
- {
- String firstValue = null;
-
- if (firstType instanceof LiteralType)
- {
- firstValue = ((LiteralType)firstType).getLiteralValue();
- }
-
- String secondValue = null;
- if (secondType instanceof LiteralType)
- {
- secondValue = ((LiteralType)secondType).getLiteralValue();
- }
-
- if (firstValue != null && secondValue != null)
- {
- boolean newValue = doRealOperation(firstValue, secondValue);
- return newValue ? BooleanLiteralType.TRUE : BooleanLiteralType.FALSE;
- }
-
- // if don't have all literals, just return boolean type
- return new ValueType(TypeConstants.TYPE_BOOLEAN, IAssignable.ASSIGNMENT_TYPE_RHS);
- }
-
- /**
- * @param firstType
- * @param secondType
- * @return a diagnostic validating the string comparison of firstType to secondType
- */
- protected Diagnostic validateStringComparison(ValueType firstType, ValueType secondType)
- {
- String firstValue = null;
-
- if (firstType instanceof LiteralType)
- {
- firstValue = ((LiteralType)firstType).getLiteralValue();
- }
-
- String secondValue = null;
- if (secondType instanceof LiteralType)
- {
- secondValue = ((LiteralType)secondType).getLiteralValue();
- }
-
- if (firstValue != null && secondValue != null)
- {
- boolean newValue = doRealOperation(firstValue, secondValue);
- return _diagnosticFactory.
- create_BINARY_OP_CONSTANT_EXPRESSION_ALWAYS_EVAL_SAME
- (getOperationName(), Boolean.toString(newValue));
- }
-
- // if don't have all literals, just return boolean type
- return Diagnostic.OK_INSTANCE;
- }
-
-
- /**
- * @return the current JSF version string
- */
- protected final String getJsfVersion() {
- return _jsfVersion;
- }
-
- /**
- * @return true if the JSF version for this operator is JSF 1.1 or 1.0
- */
- protected final boolean isPreJSF12()
- {
- return IJSFCoreConstants.JSF_VERSION_1_1.equals(_jsfVersion)
- || IJSFCoreConstants.JSF_VERSION_1_0.equals(_jsfVersion);
- }
-
- /**
- * @return true if the JSF version for this operator is JSF 1.2 or later
- */
- protected final boolean isJSF12OrLater()
- {
- return !isPreJSF12();
- }
-}

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