| /* |
| * 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.jackrabbit.oak.commons; |
| |
| import org.apache.jackrabbit.util.Text; |
| import org.jetbrains.annotations.NotNull; |
| |
| public final class QueryUtils { |
| |
| private QueryUtils() {} |
| |
| /** |
| * Escape {@code string} for matching in jcr escaped node names |
| * |
| * @param string string to escape |
| * @return escaped string |
| */ |
| @NotNull |
| public static String escapeNodeName(@NotNull String string) { |
| StringBuilder result = new StringBuilder(); |
| |
| int k = 0; |
| int j; |
| do { |
| j = string.indexOf('%', k); |
| if (j < 0) { |
| // jcr escape trail |
| result.append(Text.escapeIllegalJcrChars(string.substring(k))); |
| } else if (j > 0 && string.charAt(j - 1) == '\\') { |
| // literal occurrence of % -> jcr escape |
| result.append(Text.escapeIllegalJcrChars(string.substring(k, j) + '%')); |
| } else { |
| // wildcard occurrence of % -> jcr escape all but % |
| result.append(Text.escapeIllegalJcrChars(string.substring(k, j))).append('%'); |
| } |
| |
| k = j + 1; |
| } while (j >= 0); |
| |
| return result.toString(); |
| } |
| |
| @NotNull |
| public static String escapeForQuery(@NotNull String value) { |
| StringBuilder ret = new StringBuilder(); |
| for (int i = 0; i < value.length(); i++) { |
| char c = value.charAt(i); |
| if (c == '\\') { |
| ret.append("\\\\"); |
| } else if (c == '\'') { |
| ret.append("''"); |
| } else { |
| ret.append(c); |
| } |
| } |
| return ret.toString(); |
| } |
| } |