diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/types/TypeCoercer.java')
-rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/types/TypeCoercer.java | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/types/TypeCoercer.java b/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/types/TypeCoercer.java deleted file mode 100644 index fa75a12f9..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/types/TypeCoercer.java +++ /dev/null @@ -1,127 +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.common.internal.types; - -import org.eclipse.jdt.core.Signature; - -/** - * Coercer for simple type signatures - * - * @author cbateman - * - */ -public class TypeCoercer -{ - - /** - * Based on JSP.2.8.3 in JSP 2.0 specification - * - * @param boxedTypeSignature -- an auto-boxed type signature - * @return the coerced type or null if cannot be resolved. No unboxing - * is performed on the return. - * @throws TypeCoercionException if boxedTypeSignature is - */ - public static String coerceToNumber(final String boxedTypeSignature) - throws TypeCoercionException - { - String boxedTypeSignature_ = boxedTypeSignature; - - // can't coerce arrays to numbers - if (Signature.getTypeSignatureKind(boxedTypeSignature_) - == Signature.ARRAY_TYPE_SIGNATURE) - { - throw new TypeCoercionException("Cannot coerce arrays to numbers"); //$NON-NLS-1$ - } - // if it's character, pre-coerce to short per step 2 - if (TypeConstants.SIGNATURE_BOXED_CHARACTER.equals(boxedTypeSignature)) - { - boxedTypeSignature_ = TypeConstants.TYPE_BOXED_SHORT; - } - - if (TypeCoercer.typeIsNumeric(boxedTypeSignature_) - || TypeCoercer.typeIsNull(boxedTypeSignature_)) - { - return boxedTypeSignature_; - } - else if (typeIsString(boxedTypeSignature_)) - { - // undetermined a string may or not resolve to a number - // depending on its runtime value - return null; - } - else - { - throw new TypeCoercionException(); - } - } - - /** - * @param boxedTypeSignature - * @return true if type can be coerced to boolean; null if indeterminate - */ - public static boolean canCoerceToBoolean(String boxedTypeSignature) - { - // JSP.2.8.5 -- boolean is always boolean; string is converted by Boolean.valueOf(String) - if (typeIsBoolean(boxedTypeSignature) - || typeIsString(boxedTypeSignature) - || typeIsNull(boxedTypeSignature)) - { - return true; - } - // nothing else really convertible besides null - return false; - } - - /** - * @param typeSignature -- boxed type signature - * @return true if the typeSignature is numeric - */ - public static boolean typeIsNumeric(final String typeSignature) - { - return (TypeConstants.TYPE_BOXED_BYTE.equals(typeSignature) || - TypeConstants.TYPE_BOXED_SHORT.equals(typeSignature) || - TypeConstants.TYPE_BOXED_INTEGER.equals(typeSignature) || - TypeConstants.TYPE_BOXED_LONG.equals(typeSignature) || - TypeConstants.TYPE_BOXED_FLOAT.equals(typeSignature) || - TypeConstants.TYPE_BOXED_DOUBLE.equals(typeSignature) || - TypeConstants.TYPE_BIG_INTEGER.equals(typeSignature) || - TypeConstants.TYPE_BIG_DOUBLE.equals(typeSignature)); - } - - /** - * @param typeSignature - * @return true if the typeSignature represents a String - */ - public static boolean typeIsString(final String typeSignature) - { - return (TypeConstants.TYPE_STRING.equals(typeSignature)); - } - - /** - * @param typeSignature -- boxed type signature - * @return true if the typeSignature represents a boxed boolean - */ - public static boolean typeIsBoolean(final String typeSignature) - { - return (TypeConstants.TYPE_BOXED_BOOLEAN.equals(typeSignature)); - } - - /** - * @param typeSignature - * @return true if type is the EL null type - */ - public static boolean typeIsNull(final String typeSignature) - { - return (TypeConstants.TYPE_NULL.equals(typeSignature)); - } -} |