Example usage for org.apache.commons.lang.builder EqualsBuilder isEquals

Introduction

In this page you can find the example usage for org.apache.commons.lang.builder EqualsBuilder isEquals.

Prototype

boolean isEquals

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Document

If the fields tested are equals.

Usage

From source file:com.sonatype.security.ldap.api.DeepEqualsBuilder.java

private static void reflectionAppend(Object lhs, Object rhs, Class clazz, EqualsBuilder builder,
        boolean useTransients, String[] excludeFields) {
    while (clazz.getSuperclass() != null) {

        Field[] fields = clazz.getDeclaredFields();
        List excludedFieldList = excludeFields != null ? Arrays.asList(excludeFields) : Collections.EMPTY_LIST;
        AccessibleObject.setAccessible(fields, true);
        for (int i = 0; i < fields.length && builder.isEquals(); i++) {
            Field f = fields[i];//from  w  w w.  j  a  va 2 s. c  o  m
            if (!excludedFieldList.contains(f.getName()) && (f.getName().indexOf('$') == -1)
                    && (useTransients || !Modifier.isTransient(f.getModifiers()))
                    && (!Modifier.isStatic(f.getModifiers()))) {
                try {
                    Object lhsChild = f.get(lhs);
                    Object rhsChild = f.get(rhs);
                    Class testClass = getTestClass(lhsChild, rhsChild);
                    boolean hasEqualsMethod = classHasEqualsMethod(testClass);

                    if (testClass != null && !hasEqualsMethod) {
                        reflectionAppend(lhsChild, rhsChild, testClass, builder, useTransients, excludeFields);
                    } else {
                        builder.append(lhsChild, rhsChild);
                    }
                } catch (IllegalAccessException e) {
                    // this can't happen. Would get a Security exception instead
                    // throw a runtime exception in case the impossible happens.
                    throw new InternalError("Unexpected IllegalAccessException");
                }
            }
        }

        // now for the parent
        clazz = clazz.getSuperclass();
        reflectionAppend(lhs, rhs, clazz, builder, useTransients, excludeFields);
    }
}

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From source file:com.google.code.simplestuff.bean.SimpleBean.java

/**
 * Compare two bean basing the comparison only on the {@link BusinessField}
 * annotated fields.// w  ww  .  j  ava  2 s .c  om
 * 
 * @param firstBean First bean to compare.
 * @param secondBean Second bean to compare.
 * @return The equals result.
 * @throws IllegalArgumentException If one of the beans compared is not an
 *         instance of a {@link BusinessObject} annotated class.
 */
public static boolean equals(Object firstBean, Object secondBean) {

    // null + !null = false
    // null + null = true
    if ((firstBean == null) || (secondBean == null)) {
        if ((firstBean == null) && (secondBean == null)) {
            return true;
        } else {
            return false;
        }
    }

    final BusinessObjectDescriptor firstBusinessObjectInfo = BusinessObjectContext
            .getBusinessObjectDescriptor(firstBean.getClass());
    final BusinessObjectDescriptor secondBusinessObjectInfo = BusinessObjectContext
            .getBusinessObjectDescriptor(secondBean.getClass());

    // We don't need here a not null check since by contract the
    // getBusinessObjectDescriptor method always returns an abject.

    // All this conditions are to support the case in which
    // SimpleBean.equals is used in not Business Object. Than the rules are:
    // !BO.equals(!BO) = The objects are equals if one of them is assignable
    // to the other (the or is used for the respect the symmetric rule)
    // !BO.eqauls(BO) = The equals of the !BO is used.
    // BO.equals(!BO) = The equals of the !BO is used.
    if (firstBusinessObjectInfo.getNearestBusinessObjectClass() == null) {
        if (secondBusinessObjectInfo.getNearestBusinessObjectClass() == null) {
            return firstBean.getClass().isAssignableFrom(secondBean.getClass())
                    || secondBean.getClass().isAssignableFrom(firstBean.getClass());
        } else {
            return firstBean.equals(secondBean);
        }
    } else if (secondBusinessObjectInfo.getNearestBusinessObjectClass() == null) {
        return secondBean.equals(firstBean);
    }

    // TODO: Revise this code in order to make it more readable...
    // If one of the two bean has the class with Business relevance then
    // we need to compare the lowest hierarchical annotated classes of
    // the two beans.
    if ((firstBusinessObjectInfo.isClassToBeConsideredInComparison()
            || secondBusinessObjectInfo.isClassToBeConsideredInComparison())
            && (!firstBusinessObjectInfo.getNearestBusinessObjectClass()
                    .equals(secondBusinessObjectInfo.getNearestBusinessObjectClass()))) {
        // If the comparison fails than we can already return false.
        return false;
    }

    // Then we continue with the annotated fields, first checking
    // if the two objects contain the same annotated fields. A paranoid
    // comparison (both sides) is done only if the two objects are not on
    // the same class in order to handle tricky cases.
    final boolean performParanoidComparison = false;
    if (!compareAnnotatedFieldsByName(firstBusinessObjectInfo.getAnnotatedFields(),
            secondBusinessObjectInfo.getAnnotatedFields(), performParanoidComparison)) {
        // If the comparison fails than we can already return false.
        return false;
    }

    // Then we continue with the values of the annotated fields.
    Collection<Field> firstBeanAnnotatedFields = firstBusinessObjectInfo.getAnnotatedFields();

    for (Field field : firstBeanAnnotatedFields) {

        final BusinessField fieldAnnotation = field.getAnnotation(BusinessField.class);
        // Since the cycle is on the annotated Field we are sure that
        // fieldAnnotation will always be not null.
        if (fieldAnnotation.includeInEquals()) {

            Object firstBeanFieldValue = null;
            Object secondBeanFieldValue = null;

            try {
                firstBeanFieldValue = PropertyUtils.getProperty(firstBean, field.getName());
                // Also in this case, since before of the cycle we
                // compare the annotated fields, we can be sure that the
                // field exists.
                secondBeanFieldValue = PropertyUtils.getProperty(secondBean, field.getName());

                // If there were problems (like when we compare
                // different Business Object with different Business
                // Fields), then we return false.
            } catch (IllegalAccessException e) {
                if (log.isDebugEnabled()) {
                    log.debug("IllegalAccessException exception when comparing class "
                            + firstBean.getClass().toString() + " with class"
                            + secondBean.getClass().toString(), e);
                }
                return false;
            } catch (InvocationTargetException e) {
                if (log.isDebugEnabled()) {
                    log.debug("InvocationTargetException exceptionwhen comparing class "
                            + firstBean.getClass().toString() + " with class"
                            + secondBean.getClass().toString(), e);
                }
                return false;
            } catch (NoSuchMethodException e) {
                if (log.isDebugEnabled()) {
                    log.debug("NoSuchMethodException exception when comparing class "
                            + firstBean.getClass().toString() + " with class"
                            + secondBean.getClass().toString(), e);
                }
                return false;
            }

            // Some date implementations give not exact
            // comparison...
            if ((ClassUtils.isAssignable(field.getType(), Date.class))
                    || (ClassUtils.isAssignable(field.getType(), Calendar.class))) {

                if (firstBeanFieldValue != null) {
                    firstBeanFieldValue = DateUtils.round(firstBeanFieldValue, Calendar.MILLISECOND);
                }

                if (secondBeanFieldValue != null) {
                    secondBeanFieldValue = DateUtils.round(secondBeanFieldValue, Calendar.MILLISECOND);
                }

            }

            // We use always EqualsBuilder since we can get also
            // primitive arrays and they need ot be internally
            // compared.
            EqualsBuilder equalsBuilder = new EqualsBuilder();
            equalsBuilder.append(firstBeanFieldValue, secondBeanFieldValue);
            if (!equalsBuilder.isEquals()) {
                return false;
            } else {

                // If we are here the bean are both not null and
                // equals or both null (then equals)... the cycle
                // can
                // continue...
                continue;
            }

        }
    }

    // If we finally arrive here, then all the comparison were
    // successful and the two beans are equals.
    return true;

}

---

From source file:com.vladmihalcea.hibernate.model.store.Company.java

@Override
public boolean equals(Object obj) {
    if (this == obj) {
        return true;
    }/*from ww w .j a  v a  2s.  c  om*/
    if (!(obj instanceof Company)) {
        return false;
    }
    Company that = (Company) obj;
    EqualsBuilder eb = new EqualsBuilder();
    eb.append(name, that.name);
    return eb.isEquals();
}

---

From source file:com.alibaba.cobar.manager.util.Tuple.java

@Override
public boolean equals(Object obj) {
    if (obj == this)
        return true;
    if (!(obj instanceof Tuple))
        return false;
    Tuple that = (Tuple) obj;/*  w w w .  j av  a 2  s  .c o m*/
    EqualsBuilder builder = new EqualsBuilder();
    builder.append(this.objects, that.objects);
    return builder.isEquals();
}

---

From source file:com.vladmihalcea.hibernate.model.store.Importer.java

@Override
public boolean equals(Object obj) {
    if (this == obj) {
        return true;
    }/*from   w  w  w .j  a  v  a2 s . com*/
    if (!(obj instanceof Importer)) {
        return false;
    }
    Importer that = (Importer) obj;
    EqualsBuilder eb = new EqualsBuilder();
    eb.append(name, that.getName());
    return eb.isEquals();
}

---

From source file:com.vladmihalcea.hibernate.model.store.SubVersion.java

@Override
public boolean equals(Object obj) {
    if (this == obj) {
        return true;
    }// w w  w  .j a v a2s  .com
    if (!(obj instanceof SubVersion)) {
        return false;
    }
    SubVersion that = (SubVersion) obj;
    EqualsBuilder eb = new EqualsBuilder();
    eb.append(getCode(), that.getCode());
    return eb.isEquals();
}

---

From source file:com.vladmihalcea.hibernate.model.store.WarehouseProductInfo.java

@Override
public boolean equals(Object obj) {
    if (this == obj) {
        return true;
    }//from   w  w  w.  j ava 2s .c om
    if (!(obj instanceof WarehouseProductInfo)) {
        return false;
    }
    WarehouseProductInfo that = (WarehouseProductInfo) obj;
    EqualsBuilder eb = new EqualsBuilder();
    eb.append(product, that.getProduct());
    return eb.isEquals();
}

---

From source file:com.vladmihalcea.hibernate.model.baglist.BagLeaf.java

@Override
public boolean equals(Object obj) {
    if (this == obj) {
        return true;
    }// w w  w  .  j  a  v  a2s .com
    if (!(obj instanceof BagLeaf)) {
        return false;
    }
    BagLeaf that = (BagLeaf) obj;
    EqualsBuilder eb = new EqualsBuilder();
    eb.append(index, that.index);
    return eb.isEquals();
}

---

From source file:ch.systemsx.cisd.openbis.generic.shared.dto.InvalidationPE.java

@Override
public final boolean equals(final Object obj) {
    if (obj == this) {
        return true;
    }//from   w ww  . j  a v a  2 s. c  o  m
    if (obj instanceof InvalidationPE == false) {
        return false;
    }
    final InvalidationPE that = (InvalidationPE) obj;
    final EqualsBuilder builder = new EqualsBuilder();
    builder.append(id, that.id);
    return builder.isEquals();
}

---

From source file:ch.systemsx.cisd.openbis.generic.shared.dto.Code.java

@Override
public boolean equals(final Object obj) {
    if (obj == this) {
        return true;
    }//from  w w w .  ja v  a2  s . c o m
    if (obj instanceof Code<?> == false) {
        return false;
    }
    final Code<?> that = (Code<?>) obj;
    final EqualsBuilder builder = new EqualsBuilder();
    builder.append(that.code, code);
    return builder.isEquals();
}

---

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