Copyright (c) 2015 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2015 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.core.search;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.Signature;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.MethodNameMatchRequestor;
import org.eclipse.jdt.core.search.MethodNameRequestor;
import org.eclipse.jdt.internal.compiler.env.AccessRestriction;
Wrapper used to link IRestrictedAccessMethodRequestor with MethodNameRequestor. This wrapper specifically allows usage of internal method BasicSearchEngine.searchAllMethodNames(char[] packageName, int pkgMatchRule, char[] declaringQualification, int declQualificationMatchRule, char[] delcaringSimpleName, int declSimpleNameMatchRule, char[] methodName, int methodMatchRule, IJavaSearchScope scope, IRestrictedAccessMethodRequestor methodRequestor, int waitingPolicy, IProgressMonitor progressMonitor) from API method SearchEngine.searchAllMethodNames(char[] packageName, int pkgMatchRule, char[] declaringQualification, int declQualificationMatchRule, char[] delcaringSimpleName, int declSimpleNameMatchRule, char[] methodName, int methodMatchRule, IJavaSearchScope scope, MethodNameRequestor methodRequestor, int waitingPolicy, IProgressMonitor progressMonitor). /**
 * Wrapper used to link {@link IRestrictedAccessMethodRequestor} with {@link MethodNameRequestor}.
 * This wrapper specifically allows usage of internal method {@link BasicSearchEngine#searchAllMethodNames(
 * char[] packageName,
 * int pkgMatchRule,
 * char[] declaringQualification,
 * int declQualificationMatchRule,
 * char[] delcaringSimpleName,
 * int declSimpleNameMatchRule,
 * char[] methodName,
 * int methodMatchRule,
 * IJavaSearchScope scope,
 * IRestrictedAccessMethodRequestor methodRequestor,
 * int waitingPolicy,
 * IProgressMonitor progressMonitor)} from  API method 
 * {@link org.eclipse.jdt.core.search.SearchEngine#searchAllMethodNames(
 * char[] packageName,
 * int pkgMatchRule,
 * char[] declaringQualification,
 * int declQualificationMatchRule,
 * char[] delcaringSimpleName,
 * int declSimpleNameMatchRule,
 * char[] methodName,
 * int methodMatchRule,
 * IJavaSearchScope scope,
 * MethodNameRequestor methodRequestor,
 * int waitingPolicy,
 * IProgressMonitor progressMonitor)}.
 */

public class MethodNameMatchRequestorWrapper extends NameMatchRequestorWrapper implements IRestrictedAccessMethodRequestor {

	MethodNameMatchRequestor requestor;

	public MethodNameMatchRequestorWrapper(MethodNameMatchRequestor requestor, IJavaSearchScope scope) {
		super(scope);
		this.requestor = requestor;
	}

	@Override
	public void acceptMethod(char[] methodName, int parameterCount, char[] declaringQualifier,
			char[] simpleTypeName, int typeModifiers, char[] packageName, char[] signature, char[][] parameterTypes,
			char[][] parameterNames, char[] returnType, int modifiers, String path,
			AccessRestriction access, int methodIndex) {
		// Get the type
		char[][] enclosingTypeNames = declaringQualifier != null && declaringQualifier.length > 0 ? CharOperation.splitOn('.', declaringQualifier) : CharOperation.NO_CHAR_CHAR;
		IType type = getType(typeModifiers, packageName, simpleTypeName, enclosingTypeNames, path, access);
		if (type == null) return;
		if (!(!(this.scope instanceof HierarchyScope) || ((HierarchyScope) this.scope).enclosesFineGrained(type))) return;
		parameterTypes = parameterTypes == null ? CharOperation.NO_CHAR_CHAR : parameterTypes;
		String[] paramTypeSigs = CharOperation.NO_STRINGS;
		if (signature != null) {
			char[][] parTypes = Signature.getParameterTypes(signature);
			if (parTypes.length > 0) {
				for (int i = 0, l = parTypes.length; i < l; ++i) {
					CharOperation.replace(parTypes[i], '/', '.');
				}
			}
			paramTypeSigs = CharOperation.toStrings(parTypes);
		} else if (parameterTypes.length > 0) {
			int l = parameterTypes.length;
			paramTypeSigs = new String[l];
			for (int i = 0; i < l; ++i) {
				paramTypeSigs[i] = Signature.createTypeSignature(parameterTypes[i], false);
			}
		}
		IMethod method = type.getMethod(new String(methodName), paramTypeSigs);
		this.requestor.acceptMethodNameMatch(new JavaSearchMethodNameMatch(method, modifiers));
	}
}