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Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/BracketOperator.java')
-rw-r--r--jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/BracketOperator.java184
1 files changed, 0 insertions, 184 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/BracketOperator.java b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/BracketOperator.java
deleted file mode 100644
index ac9308fb9..000000000
--- a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/validation/internal/el/operators/BracketOperator.java
+++ /dev/null
@@ -1,184 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2007 Oracle 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:
- * Oracle Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jst.jsf.validation.internal.el.operators;
-
-import org.eclipse.core.resources.IFile;
-import org.eclipse.emf.common.util.Diagnostic;
-import org.eclipse.jdt.core.Signature;
-import org.eclipse.jst.jsf.common.internal.types.LiteralType;
-import org.eclipse.jst.jsf.common.internal.types.SignatureBasedType;
-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.context.symbol.IObjectSymbol;
-import org.eclipse.jst.jsf.context.symbol.ISymbol;
-import org.eclipse.jst.jsf.context.symbol.internal.util.IObjectSymbolBasedValueType;
-import org.eclipse.jst.jsf.designtime.DesignTimeApplicationManager;
-import org.eclipse.jst.jsf.designtime.el.AbstractDTPropertyResolver;
-import org.eclipse.jst.jsf.designtime.resolver.ISymbolContextResolver;
-import org.eclipse.jst.jsf.validation.internal.el.diagnostics.DiagnosticFactory;
-
-/**
- * Handles the operator 'bracket' where bracket(expr-a, id-b) == 'expr-a[id-b]' in EL syntax
- *
- * @author cbateman
- *
- */
-public class BracketOperator extends MemberAccessorOperator
-{
- private static final String OPERATOR_NAME_ARRAY_ACCESSOR = "array ('[]') accessor"; //$NON-NLS-1$
-
- /**
- * @param diagnosticFactory
- * @param file
- * @param resolver
- */
- public BracketOperator(final DiagnosticFactory diagnosticFactory, final IFile file, final ISymbolContextResolver resolver)
- {
- super(file, diagnosticFactory, resolver);
- }
-
- protected SignatureBasedType handlePerformObjectSymbolValue(
- IObjectSymbolBasedValueType firstArg, ValueType secondArg)
- {
- // per JSP.2.3.4 step 5.2, if value-a is a list or array access
- if (firstArg.isInstanceOf(TypeConstants.TYPE_LIST)
- || Signature.getArrayCount(firstArg.getSignature()) > 0)
- {
- return handlePerformNumericPropertyAccessorBase(firstArg, secondArg);
- }
-
- // per JSP.2.3.4 step 5, if value-a is a map or if it is not
- // a list or array (and therefore a bean), treat it as named property accessed object
- // if firstArg is a map then we must treat the access like a map.get(secondArg)
-
- // if we don't have a literal value with which to derive value-b, then
- // we can't get a property
- if (secondArg instanceof LiteralType)
- {
- return handlePerformNamedPropertyAccessorBase(firstArg, (LiteralType)secondArg);
- }
-
- return null;
- }
-
- protected Diagnostic validateObjectSymbolValue(IObjectSymbolBasedValueType firstArg,
- ValueType secondArg)
- {
- // per JSP.2.3.4 step 5.2, if value-a is a list or array access
- if (firstArg.isInstanceOf(TypeConstants.TYPE_LIST)
- || firstArg.getSymbol().getTypeDescriptor().isArray())
- {
- return validateNumericPropertyAccessorBase(firstArg, secondArg);
- }
-
- // per JSP.2.3.4 step 5, if value-a is a map or if it is not
- // a list or array (and therefore a bean), treat it as named property accessed object
- // if firstArg is a map then we must treat the access like a map.get(secondArg)
- if (secondArg instanceof LiteralType)
- {
- return validateNamedPropertyAccessorBase(firstArg, (LiteralType) secondArg);
- }
- // otherwise, there's nothing we can guarantee
- return Diagnostic.OK_INSTANCE;
- }
-
- private Diagnostic validateNumericPropertyAccessorBase(IObjectSymbolBasedValueType firstArg,
- ValueType secondArg)
- {
- try
- {
- // secondArg must successfully coerce to integer
- TypeCoercer.coerceToNumber(TypeTransformer.transformBoxPrimitives(secondArg.getSignature()));
-
- if (secondArg instanceof LiteralType)
- {
- // this will throw a TypeCoercionExceptino if it won't
- // coerce
- Integer integerValue =
- (Integer) ((LiteralType)secondArg).coerceToNumber(Integer.class);
-
- if (integerValue.intValue() < 0)
- {
- return _diagnosticFactory.create_POSSIBLE_ARRAY_INDEX_OUT_OF_BOUNDS(integerValue);
- }
- }
- else
- {
- // if the argument is a non-literal string, we can't verify
- // that the coercion to integer won't throw an exception
- // at runtime
- if (TypeCoercer.typeIsString(secondArg.getSignature()))
- {
- return _diagnosticFactory.create_UNARY_OP_STRING_CONVERSION_NOT_GUARANTEED(OPERATOR_NAME_ARRAY_ACCESSOR);
- }
- }
-
- // TODO: attempt to detect ArrayIndexOutOfBoundsException
- return Diagnostic.OK_INSTANCE;
- }
- catch (TypeCoercionException e)
- {
- return _diagnosticFactory.create_BINARY_OP_COULD_NOT_MAKE_NUMERIC_COERCION(OPERATOR_NAME_ARRAY_ACCESSOR);
- }
- }
-
- private SignatureBasedType handlePerformNumericPropertyAccessorBase(IObjectSymbolBasedValueType firstArg,
- ValueType secondArg)
- {
- AbstractDTPropertyResolver propResolver = getPropertyResolver();
- int index = 0;
- if (secondArg instanceof LiteralType)
- {
- try {
- index = ((LiteralType)secondArg).coerceToNumber(Integer.class).intValue();
- } catch (TypeCoercionException e) {
- // suppress, just use index = 0
- // this maybe should be an assertion...
- }
- }
-
- final ISymbol symbol =
- propResolver.getProperty(firstArg.getSymbol(), index);
-
- if (symbol instanceof IObjectSymbol)
- {
- return IObjectSymbolBasedValueType.getInstance(symbol);
- }
-
- // if can't be resolved, return null
- return null;
- }
-
- @Override
- protected String getOperatorName()
- {
- return Messages.getString("BracketOperator.Name"); //$NON-NLS-1$
- }
-
- /**
- * @return the property resolver for the current source file
- */
- private AbstractDTPropertyResolver getPropertyResolver()
- {
- final DesignTimeApplicationManager manager =
- DesignTimeApplicationManager.getInstance(_file.getProject());
-
- if (manager != null)
- {
- return manager.getPropertyResolver();
- }
-
- return null;
- }
-}

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