utilities.internal.CustomToStringBuilder.java Source code

Introduction

Here is the source code for utilities.internal.CustomToStringBuilder.java

Source

/* CustomToStringBuilder.java
 *
 * Copyright (C) 2014 Universidad de Sevilla
 * 
 * The use of this project is hereby constrained to the conditions of the 
 * TDG Licence, a copy of which you may download from 
 * http://www.tdg-seville.info/License.html
 * 
 */

package utilities.internal;

import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.builder.ReflectionToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;

public class CustomToStringBuilder extends ReflectionToStringBuilder {

    public CustomToStringBuilder(Object object) {
        super(object);
    }

    public CustomToStringBuilder(Object object, ToStringStyle style, StringBuffer buffer, Class<?> reflectUpToClass,
            boolean outputTransients, boolean outputStatics) {
        super(object, style, buffer, reflectUpToClass, outputTransients, outputStatics);
    }

    public CustomToStringBuilder(Object object, ToStringStyle style) {
        super(object, style);
    }

    public CustomToStringBuilder(Object object, ToStringStyle style, StringBuffer buffer) {
        super(object, style, buffer);
    }

    public CustomToStringBuilder(Object object, ToStringStyle style, StringBuffer buffer, Class<?> reflectUpToClass,
            boolean outputTransients) {
        super(object, style, buffer);
        this.setUpToClass(reflectUpToClass);
        this.setAppendTransients(outputTransients);
    }

    private static CustomPrintStyle customQueryStyle = new CustomPrintStyle();

    public static String toString(Object obj) {
        String result;
        StringBuffer buffer;
        CustomToStringBuilder stringBuilder;

        if (isPrimitive(obj)) {
            buffer = new StringBuffer();
            buffer.append(obj.getClass().getName());
            buffer.append("{");
            customQueryStyle.appendObject(buffer, obj);
            buffer.append("}");
            result = buffer.toString();
        } else {
            stringBuilder = new CustomToStringBuilder(obj, customQueryStyle, null, null, true, true);
            result = stringBuilder.toString();
        }

        return result;
    }

    @Override
    public String toString() {
        String result;
        Object obj;
        CustomPrintStyle style;
        StringBuffer buffer;
        Class<?> clazz;

        obj = this.getObject();

        if (obj == null) {
            result = "<null>"; // super.getStyle().getNullText();
        } else {
            clazz = obj.getClass();
            processSuperClazzes(clazz);
            style = (CustomPrintStyle) this.getStyle();
            buffer = this.getStringBuffer();
            style.appendEnd(buffer, obj);
            result = buffer.toString();
        }

        return result;
    }

    private void processSuperClazzes(Class<?> clazz) {
        List<Class<?>> superClazzes;

        superClazzes = new ArrayList<Class<?>>();
        while (clazz != null && clazz != this.getUpToClass()) {
            superClazzes.add(clazz);
            clazz = clazz.getSuperclass();
        }

        for (int i = superClazzes.size() - 1; i >= 0; i--) {
            clazz = superClazzes.get(i);
            this.appendFieldsIn(clazz);
        }
    }

    private static boolean isPrimitive(Object obj) {
        boolean result;

        result = (obj instanceof String || obj instanceof Number || obj instanceof Character
                || obj instanceof Boolean || obj instanceof java.util.Date || obj instanceof java.sql.Date
                || obj instanceof Timestamp);

        return result;
    }

}