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/*******************************************************************************
* Copyright (c) 2009 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.core.util;
import java.util.Arrays;
import java.util.Collection;
import org.eclipse.osee.framework.core.exception.OseeArgumentException;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.GUID;
/**
* @author Roberto E. Escobar
*/
public final class Conditions {
private Conditions() {
// Utility Class
}
/**
* @return true if any of the objects are equal to the equalTo object, otherwise returns false.
*/
public static boolean in(Object equalTo, Object... objects) {
for (Object object : objects) {
if (equalTo.equals(object)) {
return true;
}
}
return false;
}
/**
* @return false if any of the parameters are null, otherwise returns true.
*/
public static boolean notNull(Object... objects) {
for (Object object : objects) {
if (object == null) {
return false;
}
}
return true;
}
/**
* @return true if any of the parameters are null, otherwise returns false.
*/
public static boolean anyNull(Object... objects) {
for (Object object : objects) {
if (object == null) {
return true;
}
}
return false;
}
/**
* @return false if the parameter is null or empty, otherwise return true
*/
public static boolean hasValues(Collection<?> toCheck) {
return toCheck != null && !toCheck.isEmpty();
}
/**
* @return true if all of the parameters are null, otherwise returns false. Also returns true when objects is an
* empty array
*/
public static boolean allNull(Object... objects) {
for (Object object : objects) {
if (object != null) {
return false;
}
}
return true;
}
public static void checkNotNull(Object object, String objectName) throws OseeCoreException {
if (object == null) {
throw new OseeArgumentException("%s cannot be null", objectName);
}
}
public static void checkNotNull(Object object, String objectName, String details, Object... data) throws OseeCoreException {
if (object == null) {
String message = String.format(details, data);
throw new OseeArgumentException("%s cannot be null - %s", objectName, message);
}
}
public static void checkNotNullOrEmpty(String object, String objectName) throws OseeCoreException {
checkNotNull(object, objectName);
if (object.length() == 0) {
throw new OseeArgumentException("%s cannot be empty", objectName);
}
}
public static void checkNotNullOrEmpty(Object[] array, String objectName) throws OseeCoreException {
checkNotNull(array, objectName);
if (array.length <= 0) {
throw new OseeArgumentException("%s cannot be empty", objectName);
}
}
public static void checkNotNullOrEmpty(Collection<? extends Object> collection, String objectName) throws OseeCoreException {
checkNotNull(collection, objectName);
if (collection.isEmpty()) {
throw new OseeArgumentException("%s cannot be empty", objectName);
}
}
public static void checkNotNullOrEmpty(String object, String objectName, String details, Object... data) throws OseeCoreException {
checkNotNull(object, objectName);
if (object.length() == 0) {
String message = String.format(details, data);
throw new OseeArgumentException("%s cannot be empty - %s", objectName, message);
}
}
public static void checkExpressionFailOnTrue(boolean result, String message, Object... data) throws OseeCoreException {
if (result) {
throw new OseeArgumentException(message, data);
}
}
public static String checkGuidCreateIfNeeded(String guid) {
String toReturn = guid;
if (guid == null) {
toReturn = GUID.create();
}
return toReturn;
}
public static void checkDoesNotContainNulls(Object object, String message, Object... data) throws OseeCoreException {
checkNotNull(object, message);
Collection<?> toCheck = null;
if (object instanceof Collection<?>) {
toCheck = (Collection<?>) object;
} else if (object instanceof Object[]) {
toCheck = Arrays.asList((Object[]) object);
}
if (toCheck != null) {
for (Object item : toCheck) {
if (item == null) {
throw new OseeArgumentException(message, data);
}
}
} else {
throw new OseeArgumentException("object is not an array or a collection");
}
}
}
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