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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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/*
 * Copyright (C) 2004 Joe Walnes.
 * Copyright (C) 2006, 2007, 2014, 2016 XStream Committers.
 * All rights reserved.
 *
 * The software in this package is published under the terms of the BSD
 * style license a copy of which has been included with this distribution in
 * the LICENSE.txt file.
 *
 * Created on 30. May 2004 by Joe Walnes
 */
package com.feilong.lib.xstream.converters.extended;

import java.lang.reflect.Field;

import com.feilong.lib.xstream.core.util.Fields;

/**
 * Factory for creating StackTraceElements.
 *
 * @author B. K. Oxley (binkley)
 * @author Joe Walnes
 * @deprecated As of 1.4.8, it is an internal helper class
 */
@Deprecated
public class StackTraceElementFactory{

    public StackTraceElement nativeMethodElement(final String declaringClass,final String methodName){
        return create(declaringClass, methodName, "Native Method", -2);
    }

    public StackTraceElement unknownSourceElement(final String declaringClass,final String methodName){
        return create(declaringClass, methodName, "Unknown Source", -1);
    }

    public StackTraceElement element(final String declaringClass,final String methodName,final String fileName){
        return create(declaringClass, methodName, fileName, -1);
    }

    public StackTraceElement element(final String declaringClass,final String methodName,final String fileName,final int lineNumber){
        return create(declaringClass, methodName, fileName, lineNumber);
    }

    protected StackTraceElement create(final String declaringClass,final String methodName,final String fileName,final int lineNumber){
        final StackTraceElement result = new Throwable().getStackTrace()[0];
        setField(result, "declaringClass", declaringClass);
        setField(result, "methodName", methodName);
        setField(result, "fileName", fileName);
        setField(result, "lineNumber", new Integer(lineNumber));
        return result;
    }

    private void setField(final StackTraceElement element,final String fieldName,final Object value){
        final Field field = Fields.find(StackTraceElement.class, fieldName);
        Fields.write(field, element, value);
    }

}