org.apache.syncope.common.lib.search.OrderByClauseBuilder Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.syncope.common.lib.search;
import org.apache.commons.lang3.StringUtils;
/**
* Simple builder for generating orderby values.
*/
public class OrderByClauseBuilder {
private final StringBuilder builder = new StringBuilder();
public OrderByClauseBuilder asc(final String key) {
builder.append(key).append(" ASC,");
return this;
}
public OrderByClauseBuilder desc(final String key) {
builder.append(key).append(" DESC,");
return this;
}
public String build() {
return builder.length() == 0
? StringUtils.EMPTY
: builder.deleteCharAt(builder.length() - 1).toString();
}
}