2202

Committed 05 May 2026 07:27PM UTC coverage: 91.746% (+0.04%) from 91.703%

Build # 2202

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #1508 from mybatis/renovate/com.github.javaparser-javaparser-core-3.x

Update dependency com.github.javaparser:javaparser-core to v3.28.1

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2454 of 3154 branches covered (77.81%)

12038 of 13121 relevant lines covered (91.75%)

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81.82

/core/mybatis-generator-core/src/main/java/org/mybatis/generator/internal/util/StringUtility.java

/*
 *    Copyright 2006-2026 the original author or authors.
 *
 *    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
 *
 *       https://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.mybatis.generator.internal.util;

import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.function.UnaryOperator;

import org.jspecify.annotations.Nullable;

public class StringUtility {

    /**
     * Utility class. No instances allowed
     */
    private StringUtility() {
        super();
    }

    public static @Nullable String trimToNull(@Nullable String s) {
        if (s == null) {
            return null;
        } else {
            var d = s.trim();
            return d.isEmpty() ? null : d;
        }
    }

    public static @Nullable Boolean parseNullableBoolean(@Nullable String s) {
        return s == null ? null : Boolean.valueOf(s);
    }

    public static boolean stringHasValue(@Nullable String s) {
        return s != null && !s.isEmpty();
    }

    public static String stringValueOrElse(@Nullable String s, String defaultValue) {
        if (stringHasValue(s)) {
            return s;
        } else {
            return defaultValue;
        }
    }

    public static <T extends Throwable> String stringValueOrElseThrow(@Nullable String s,
                                                                      Supplier<T> exceptionSupplier) throws T {
        if (stringHasValue(s)) {
            return s;
        } else {
            throw exceptionSupplier.get();
        }
    }

    public static String stringValueOrElseGet(@Nullable String s, Supplier<String> supplier) {
        return mapStringValueOrElseGet(s, UnaryOperator.identity(), supplier);
    }

    public static <T> T mapStringValueOrElseGet(@Nullable String s, Function<String, T> mapper,
                                                Supplier<T> supplier) {
        if (stringHasValue(s)) {
            return mapper.apply(s);
        } else {
            return supplier.get();
        }
    }

    public static String mapStringValueOrElse(@Nullable String s, UnaryOperator<String> mapper, String defaultValue) {
        if (stringHasValue(s)) {
            return mapper.apply(s);
        } else {
            return defaultValue;
        }
    }

    public static void ifStringHasValueElse(@Nullable String s, Consumer<String> consumer,
                                            Runnable runnable) {
        if (stringHasValue(s)) {
            consumer.accept(s);
        } else {
            runnable.run();
        }
    }

    public static String composeFullyQualifiedTableName(@Nullable String catalog,
            @Nullable String schema, String tableName, char separator) {
        StringBuilder sb = new StringBuilder();

        if (stringHasValue(catalog)) {
            sb.append(catalog);
            sb.append(separator);
        }

        if (stringHasValue(schema)) {
            sb.append(schema);
            sb.append(separator);
        } else {
            if (!sb.isEmpty()) {
                sb.append(separator);
            }
        }

        sb.append(tableName);

        return sb.toString();
    }

    public static boolean stringContainsSpace(@Nullable String s) {
        return s != null && s.indexOf(' ') != -1;
    }

    public static String escapeStringForJava(String s) {
        StringTokenizer st = new StringTokenizer(s, "\"", true); //$NON-NLS-1$
        StringBuilder sb = new StringBuilder();
        while (st.hasMoreTokens()) {
            String token = st.nextToken();
            if ("\"".equals(token)) { //$NON-NLS-1$
                sb.append("\\\""); //$NON-NLS-1$
            } else {
                sb.append(token);
            }
        }

        return sb.toString();
    }

    public static String escapeStringForKotlin(String s) {
        StringTokenizer st = new StringTokenizer(s, "\"$", true); //$NON-NLS-1$
        StringBuilder sb = new StringBuilder();
        while (st.hasMoreTokens()) {
            String token = st.nextToken();
            if ("\"".equals(token)) { //$NON-NLS-1$
                sb.append("\\\""); //$NON-NLS-1$
            } else if ("$".equals(token)) { //$NON-NLS-1$
                sb.append("\\$"); //$NON-NLS-1$
            } else {
                sb.append(token);
            }
        }

        return sb.toString();
    }

    public static boolean isTrue(@Nullable String s) {
        return Boolean.parseBoolean(s);
    }

    public static boolean stringContainsSQLWildcard(@Nullable String s) {
        if (s == null) {
            return false;
        }

        return s.indexOf('%') != -1 || s.indexOf('_') != -1;
    }

    /**
     * Given an input string, tokenize on the commas and trim all tokens. Returns an empty set if the input string is
     * null.
     *
     * @param in string to tokenize.
     *
     * @return Set of tokens
     */
    public static Set<String> tokenize(@Nullable String in) {
        return mapStringValueOrElseGet(in, str -> {
            Set<String> answer = new HashSet<>();
            StringTokenizer st = new StringTokenizer(str, ","); //$NON-NLS-1$
            while (st.hasMoreTokens()) {
                String s = st.nextToken().trim();
                if (!s.isEmpty()) {
                    answer.add(s);
                }
            }
            return answer;
        }, Collections::emptySet);
    }

    public static String convertCamelCaseToSnakeCase(String in) {
        if (in.chars().anyMatch(Character::isLowerCase)) {
            return in
                    .replaceAll("([A-Z])(?=[A-Z])", "$1_") //$NON-NLS-1$ //$NON-NLS-2$
                    .replaceAll("([a-z])([A-Z])", "$1_$2") //$NON-NLS-1$ //$NON-NLS-2$
                    .toUpperCase();
        } else {
            // if all upper case, then return the string as is
            return in;
        }
    }

    public static List<String> removeLastEmptyLine(List<String> lines) {
        if (lines.get(lines.size() - 1).isEmpty()) {
            return lines.subList(0, lines.size() - 1);
        } else {
            return lines;
        }
    }
}

1	/*
2	* Copyright 2006-2026 the original author or authors.
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* https://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package org.mybatis.generator.internal.util;
17
18	import java.util.Collections;
19	import java.util.HashSet;
20	import java.util.List;
21	import java.util.Set;
22	import java.util.StringTokenizer;
23	import java.util.function.Consumer;
24	import java.util.function.Function;
25	import java.util.function.Supplier;
26	import java.util.function.UnaryOperator;
27
28	import org.jspecify.annotations.Nullable;
29
30	public class StringUtility {
31
32	/**
33	* Utility class. No instances allowed
34	*/
35	private StringUtility() {
36	super();
37	}
38
39	public static @Nullable String trimToNull(@Nullable String s) {
40	if (s == null) {	1!
41	return null;	×
42	} else {
43	var d = s.trim();	1✔
44	return d.isEmpty() ? null : d;	1✔
45	}
46	}
47
48	public static @Nullable Boolean parseNullableBoolean(@Nullable String s) {
49	return s == null ? null : Boolean.valueOf(s);	1✔
50	}
51
52	public static boolean stringHasValue(@Nullable String s) {
53	return s != null && !s.isEmpty();	1✔
54	}
55
56	public static String stringValueOrElse(@Nullable String s, String defaultValue) {
57	if (stringHasValue(s)) {	1✔
58	return s;	1✔
59	} else {
60	return defaultValue;	1✔
61	}
62	}
63
64	public static <T extends Throwable> String stringValueOrElseThrow(@Nullable String s,
65	Supplier<T> exceptionSupplier) throws T {
66	if (stringHasValue(s)) {	1!
67	return s;	1✔
68	} else {
69	throw exceptionSupplier.get();	×
70	}
71	}
72
73	public static String stringValueOrElseGet(@Nullable String s, Supplier<String> supplier) {
74	return mapStringValueOrElseGet(s, UnaryOperator.identity(), supplier);	1✔
75	}
76
77	public static <T> T mapStringValueOrElseGet(@Nullable String s, Function<String, T> mapper,
78	Supplier<T> supplier) {
79	if (stringHasValue(s)) {	1✔
80	return mapper.apply(s);	1✔
81	} else {
82	return supplier.get();	1✔
83	}
84	}
85
86	public static String mapStringValueOrElse(@Nullable String s, UnaryOperator<String> mapper, String defaultValue) {
87	if (stringHasValue(s)) {	1!
88	return mapper.apply(s);	1✔
89	} else {
90	return defaultValue;	×
91	}
92	}
93
94	public static void ifStringHasValueElse(@Nullable String s, Consumer<String> consumer,
95	Runnable runnable) {
96	if (stringHasValue(s)) {	1✔
97	consumer.accept(s);	1✔
98	} else {
99	runnable.run();	1✔
100	}
101	}	1✔
102
103	public static String composeFullyQualifiedTableName(@Nullable String catalog,
104	@Nullable String schema, String tableName, char separator) {
105	StringBuilder sb = new StringBuilder();	1✔
106
107	if (stringHasValue(catalog)) {	1✔
108	sb.append(catalog);	1✔
109	sb.append(separator);	1✔
110	}
111
112	if (stringHasValue(schema)) {	1✔
113	sb.append(schema);	1✔
114	sb.append(separator);	1✔
115	} else {
116	if (!sb.isEmpty()) {	1✔
117	sb.append(separator);	1✔
118	}
119	}
120
121	sb.append(tableName);	1✔
122
123	return sb.toString();	1✔
124	}
125
126	public static boolean stringContainsSpace(@Nullable String s) {
127	return s != null && s.indexOf(' ') != -1;	1✔
128	}
129
130	public static String escapeStringForJava(String s) {
131	StringTokenizer st = new StringTokenizer(s, "\"", true); //$NON-NLS-1$	1✔
132	StringBuilder sb = new StringBuilder();	1✔
133	while (st.hasMoreTokens()) {	1✔
134	String token = st.nextToken();	1✔
135	if ("\"".equals(token)) { //$NON-NLS-1$	1✔
136	sb.append("\\\""); //$NON-NLS-1$	1✔
137	} else {
138	sb.append(token);	1✔
139	}
140	}	1✔
141
142	return sb.toString();	1✔
143	}
144
145	public static String escapeStringForKotlin(String s) {
146	StringTokenizer st = new StringTokenizer(s, "\"$", true); //$NON-NLS-1$	1✔
147	StringBuilder sb = new StringBuilder();	1✔
148	while (st.hasMoreTokens()) {	1✔
149	String token = st.nextToken();	1✔
150	if ("\"".equals(token)) { //$NON-NLS-1$	1✔
151	sb.append("\\\""); //$NON-NLS-1$	1✔
152	} else if ("$".equals(token)) { //$NON-NLS-1$	1✔
153	sb.append("\\$"); //$NON-NLS-1$	1✔
154	} else {
155	sb.append(token);	1✔
156	}
157	}	1✔
158
159	return sb.toString();	1✔
160	}
161
162	public static boolean isTrue(@Nullable String s) {
163	return Boolean.parseBoolean(s);	1✔
164	}
165
166	public static boolean stringContainsSQLWildcard(@Nullable String s) {
167	if (s == null) {	×
168	return false;	×
169	}
170
171	return s.indexOf('%') != -1 \|\| s.indexOf('_') != -1;	×
172	}
173
174	/**
175	* Given an input string, tokenize on the commas and trim all tokens. Returns an empty set if the input string is
176	* null.
177	*
178	* @param in string to tokenize.
179	*
180	* @return Set of tokens
181	*/
182	public static Set<String> tokenize(@Nullable String in) {
183	return mapStringValueOrElseGet(in, str -> {	1✔
184	Set<String> answer = new HashSet<>();	×
185	StringTokenizer st = new StringTokenizer(str, ","); //$NON-NLS-1$	×
186	while (st.hasMoreTokens()) {	×
187	String s = st.nextToken().trim();	×
188	if (!s.isEmpty()) {	×
189	answer.add(s);	×
190	}
191	}	×
192	return answer;	×
193	}, Collections::emptySet);
194	}
195
196	public static String convertCamelCaseToSnakeCase(String in) {
197	if (in.chars().anyMatch(Character::isLowerCase)) {	1✔
198	return in	1✔
199	.replaceAll("([A-Z])(?=[A-Z])", "$1_") //$NON-NLS-1$ //$NON-NLS-2$	1✔
200	.replaceAll("([a-z])([A-Z])", "$1_$2") //$NON-NLS-1$ //$NON-NLS-2$	1✔
201	.toUpperCase();	1✔
202	} else {
203	// if all upper case, then return the string as is
204	return in;	1✔
205	}
206	}
207
208	public static List<String> removeLastEmptyLine(List<String> lines) {
209	if (lines.get(lines.size() - 1).isEmpty()) {	1✔
210	return lines.subList(0, lines.size() - 1);	1✔
211	} else {
212	return lines;	1✔
213	}
214	}
215	}

mybatis / generator / 2202

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