org.elasticsearch.common.inject.internal.StackTraceElements Maven / Gradle / Ivy

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/*
 * Copyright (C) 2006 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.elasticsearch.common.inject.internal;

import java.lang.reflect.Constructor;
import java.lang.reflect.Member;

/**
 * Creates stack trace elements for members.
 *
 * @author [email protected] (Bob Lee)
 */
public class StackTraceElements {

    public static Object forMember(Member member) {
        if (member == null) {
            return SourceProvider.UNKNOWN_SOURCE;
        }

        Class declaringClass = member.getDeclaringClass();

        String fileName = null;
        int lineNumber = -1;

        Class memberType = MoreTypes.memberType(member);
        String memberName = memberType == Constructor.class ? "" : member.getName();
        return new StackTraceElement(declaringClass.getName(), memberName, fileName, lineNumber);
    }

    public static Object forType(Class implementation) {
        String fileName = null;
        int lineNumber = -1;

        return new StackTraceElement(implementation.getName(), "class", fileName, lineNumber);
    }
}