com.magnet.mmx.server.plugin.mmxmgmt.util.SqlUtil.java Source code

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Here is the source code for com.magnet.mmx.server.plugin.mmxmgmt.util.SqlUtil.java

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/*   Copyright (c) 2015 Magnet Systems, Inc.
 *
 *  Licensed 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 com.magnet.mmx.server.plugin.mmxmgmt.util;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;

import java.util.List;

/**
 */
public class SqlUtil {
    public static String OP_BRACE = " ( ";
    public static String CL_BRACE = " ) ";

    public static String getQs(int num) {
        return Joiner.on(", ").join(Iterables.limit(Iterables.cycle("?"), num));
    }

    public static String getValueListUnboundedStr(int num) {
        return " VALUES " + OP_BRACE + getQs(num) + CL_BRACE + " ";
    }

    public static String getCommaSepBraces(List<String> values) {
        return " " + OP_BRACE + Joiner.on(",").join(values) + CL_BRACE + " ";
    }

    public static String getCommaSepBracesSingleQuoted(List<String> values) {
        Function<String, String> singleQuotedListTransform = new Function<String, String>() {
            public String apply(String input) {
                return "'" + input + "'";
            }
        };
        List<String> newList = Lists.transform(values, singleQuotedListTransform);
        return " " + OP_BRACE + Joiner.on(",").join(newList) + CL_BRACE + " ";
    }
}