| /******************************************************************************* |
| * 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: |
| * Gerry Kessler/Oracle - initial API and implementation |
| * |
| ********************************************************************************/ |
| package org.eclipse.jst.jsf.taglibprocessing.attributevalues; |
| |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jdt.core.Signature; |
| import org.eclipse.jst.jsf.common.internal.types.CompositeType; |
| import org.eclipse.jst.jsf.common.internal.types.IAssignable; |
| import org.eclipse.jst.jsf.core.internal.JSFCorePlugin; |
| import org.eclipse.jst.jsf.metadataprocessors.features.ELIsNotValidException; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IValidELValues; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IValidValues; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IValidationMessage; |
| import org.eclipse.jst.jsf.metadataprocessors.features.ValidationMessage; |
| |
| /** |
| * Meta-data processing type representing an method-binding attribute value runtime type |
| * |
| * <p><b>Provisional API - subject to change</b></p> |
| * @author Gerry Kessler - Oracle |
| */ |
| public class MethodBindingType extends ExpressionBindingType implements IValidELValues, IValidValues{ |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.jsf.metadataprocessors.features.IValidELValues#getExpectedRuntimeType() |
| */ |
| public CompositeType getExpectedRuntimeType() throws ELIsNotValidException { |
| String[] params = getParams(); |
| |
| // need to "signaturize" each parameter |
| for (int param = 0; param < params.length; param++) |
| { |
| params[param] = Signature.createTypeSignature(params[param],true); |
| } |
| final String runtimeType = getReturnType(); |
| |
| String returnTypeSignature = null; |
| |
| if (runtimeType != null) |
| { |
| returnTypeSignature = Signature.createTypeSignature(runtimeType, true); |
| } |
| else |
| { |
| JSFCorePlugin.log(IStatus.INFO, "Missing metadata for trait "+RUNTIME_RETURN_TYPE+" for entity "+getMetaDataContext().getEntity()); |
| } |
| |
| if (returnTypeSignature == null) |
| { |
| return null; |
| } |
| |
| String methodSig = Signature.createMethodSignature(params, returnTypeSignature); |
| return new CompositeType(methodSig, IAssignable.ASSIGNMENT_TYPE_NONE); |
| } |
| |
| /** |
| * Non-EL values are invalid for method bound attribute values |
| * @see org.eclipse.jst.jsf.metadataprocessors.features.IValidValues#isValidValue(java.lang.String) |
| */ |
| public boolean isValidValue(String value) { |
| //if this is being called, we are being called in an non-EL context which is invalid. |
| IValidationMessage msg = new ValidationMessage(Messages.MethodBindingType_invalid_value); |
| getValidationMessages().add(msg); |
| return false; |
| } |
| |
| |
| } |