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Diffstat (limited to 'src/lombok/core/TransformationsUtil.java')
| -rw-r--r-- | src/lombok/core/TransformationsUtil.java | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/lombok/core/TransformationsUtil.java b/src/lombok/core/TransformationsUtil.java deleted file mode 100644 index 6b457927..00000000 --- a/src/lombok/core/TransformationsUtil.java +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -package lombok.core; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collections; -import java.util.HashSet; -import java.util.List; -import java.util.Set; -import java.util.regex.Pattern; - -/** - * Container for static utility methods useful for some of the standard lombok transformations, regardless of - * target platform (e.g. useful for both javac and Eclipse lombok implementations). - */ -public class TransformationsUtil { - private TransformationsUtil() { - //Prevent instantiation - } - - private static final List<String> KNOWN_BOOLEAN_PREFIXES = Collections.unmodifiableList(Arrays.asList( - "is", "has", "get" - )); - - /** - * Generates a getter name from a given field name. - * - * Strategy: - * - * First, pick a prefix. 'get' normally, but 'is' if {@code isBoolean} is true. - * - * Then, check if the first character of the field is lowercase. If so, check if the second character - * exists and is title or upper case. If so, uppercase the first character. If not, titlecase the first character. - * - * return the prefix plus the possibly title/uppercased first character, and the rest of the field name. - * - * Note that for boolean fields, if the field starts with 'has', 'get', or 'is', and the character after that is - * <b>not</b> a lowercase character, the field name is returned without changing any character's case and without - * any prefix. - * - * @param fieldName the name of the field. - * @param isBoolean if the field is of type 'boolean'. For fields of type 'java.lang.Boolean', you should provide {@code false}. - */ - public static String toGetterName(CharSequence fieldName, boolean isBoolean) { - final String prefix = isBoolean ? "is" : "get"; - - if (fieldName.length() == 0) return prefix; - - for (String knownBooleanPrefix : KNOWN_BOOLEAN_PREFIXES) { - if (!fieldName.toString().startsWith(knownBooleanPrefix)) continue; - if (fieldName.length() > knownBooleanPrefix.length() && - !Character.isLowerCase(fieldName.charAt(knownBooleanPrefix.length()))) { - //The field is called something like 'isFoo' or 'hasFoo' or 'getFoo', so we shouldn't - //prefix with 'is' but instead just use the field name as is. The isLowerCase check is so we don't turn - //hashCodeGenerated, which so happens to start with 'has', into hasHCodeGenerated instead of isHashCodeGenerated. - return fieldName.toString(); - } - } - - return buildName(prefix, fieldName.toString()); - } - - public static final Pattern PRIMITIVE_TYPE_NAME_PATTERN = Pattern.compile( - "^(boolean|byte|short|int|long|float|double|char)$"); - - public static final Pattern NON_NULL_PATTERN = Pattern.compile("^nonnull$", Pattern.CASE_INSENSITIVE); - public static final Pattern NULLABLE_PATTERN = Pattern.compile("^nullable$", Pattern.CASE_INSENSITIVE); - - /** - * Generates a getter name from a given field name. - * - * Strategy: - * - * Check if the first character of the field is lowercase. If so, check if the second character - * exists and is title or upper case. If so, uppercase the first character. If not, titlecase the first character. - * - * return "set" plus the possibly title/uppercased first character, and the rest of the field name. - * - * @param fieldName the name of the field. - */ - public static String toSetterName(CharSequence fieldName) { - return buildName("set", fieldName.toString()); - } - - private static String buildName(String prefix, String suffix) { - if (suffix.length() == 0) return prefix; - - char first = suffix.charAt(0); - if (Character.isLowerCase(first)) { - boolean useUpperCase = suffix.length() > 2 && - (Character.isTitleCase(suffix.charAt(1)) || Character.isUpperCase(suffix.charAt(1))); - suffix = String.format("%s%s", - useUpperCase ? Character.toUpperCase(first) : Character.toTitleCase(first), - suffix.subSequence(1, suffix.length())); - } - return String.format("%s%s", prefix, suffix); - } - - public static List<String> toAllGetterNames(CharSequence fieldName, boolean isBoolean) { - if (!isBoolean) return Collections.singletonList(toGetterName(fieldName, false)); - - List<String> baseNames = new ArrayList<String>(); - baseNames.add(fieldName.toString()); - for (String knownBooleanPrefix : KNOWN_BOOLEAN_PREFIXES) { - if (!fieldName.toString().startsWith(knownBooleanPrefix)) continue; - if (fieldName.length() > knownBooleanPrefix.length() && - !Character.isLowerCase(fieldName.charAt(knownBooleanPrefix.length()))) { - //The field is called something like 'isFoo' or 'hasFoo' or 'getFoo', so the practical fieldname - //could also be 'foo'. - baseNames.add(fieldName.toString().substring(knownBooleanPrefix.length())); - //prefix with 'is' but instead just use the field name as is. The isLowerCase check is so we don't turn - //hashCodeGenerated, which so happens to start with 'has', into hasHCodeGenerated instead of isHashCodeGenerated. - } - } - - Set<String> names = new HashSet<String>(); - for (String baseName : baseNames) { - if (baseName.length() > 0 && Character.isLowerCase(baseName.charAt(0))) { - baseName = Character.toTitleCase(baseName.charAt(0)) + baseName.substring(1); - } - - for (String prefix : KNOWN_BOOLEAN_PREFIXES) { - names.add(prefix + baseName); - } - } - - return new ArrayList<String>(names); - } -} |