org.butterfaces.util.StringUtils Maven / Gradle / Ivy
/*
* Copyright Lars Michaelis and Stephan Zerhusen 2016.
* Distributed under the MIT License.
* (See accompanying file README.md file or copy at http://opensource.org/licenses/MIT)
*/
package org.butterfaces.util;
import java.util.Collection;
/**
* @author Lars Michaelis
*/
public class StringUtils {
public static final String BLANK = "";
public static final String SPACE = " ";
public static final String SEPARATOR_COMMA = ", ";
/**
* @deprecated use {@link StringJoiner} instead.
*/
@Deprecated
public static String concatWithSpace(final String... styles) {
final StringBuilder sb = new StringBuilder();
for (final String style : styles) {
if (style != null && !BLANK.equals(style)) {
sb.append(style);
sb.append(SPACE);
}
}
return sb.toString().trim();
}
public static boolean isEmpty(final String value) {
return value == null || BLANK.equals(value);
}
public static boolean isNotEmpty(final String value) {
return !isEmpty(value);
}
public static String getNotNullValue(final String value, final String alternative) {
return isNotEmpty(value) ? value : alternative;
}
public static String getNullSafeValue(final String value) {
return getNotNullValue(value, "");
}
/**
* @deprecated use {@link StringJoiner} instead.
*/
@Deprecated
public static String joinWithCommaSeparator(final Collection values) {
return StringJoiner.on(SEPARATOR_COMMA).join(values).toString();
}
/**
* @deprecated use {@link StringJoiner} instead.
*/
@Deprecated
public static String joinWithCommaSeparator(final Collection values, boolean escape) {
return StringJoiner.on(SEPARATOR_COMMA).join(values).wrappedBy("'").toString();
}
/**
* @deprecated use {@link StringJoiner} instead.
*/
@Deprecated
public static String joinWithSpaceSeparator(final Collection values) {
return StringJoiner.on(SPACE).join(values).toString();
}
}