First steps Builder support

1 files changed, 57 insertions, 0 deletions

diff --git a/src/utils/lombok/core/JavaIdentifiers.java b/src/utils/lombok/core/JavaIdentifiers.java
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+++ b/src/utils/lombok/core/JavaIdentifiers.java
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+/*
+ * Copyright (C) 2013 The Project Lombok Authors.
+ * 
+ * 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;
+
+/**
+ * Utility functions for validating potential java verifiers.
+ */
+public class JavaIdentifiers {
+	private JavaIdentifiers() {}
+	
+	private static final ImmutableList<String> KEYWORDS = ImmutableList.of(
+			"public", "private", "protected",
+			"default", "switch", "case",
+			"for", "do", "goto", "const", "strictfp", "while", "if", "else",
+			"byte", "short", "int", "long", "float", "double", "void", "boolean", "char", 
+			"null", "false", "true",
+			"continue", "break", "return", "instanceof",
+			"synchronized", "volatile", "transient", "final", "static",
+			"interface", "class", "extends", "implements", "throws",
+			"throw", "catch", "try", "finally", "abstract", "assert",
+			"enum", "import", "package", "native", "new", "super", "this");
+	
+	public static boolean isValidJavaIdentifier(String identifier) {
+		if (identifier == null) return false;
+		if (identifier.isEmpty()) return false;
+		
+		if (!Character.isJavaIdentifierStart(identifier.charAt(0))) return false;
+		for (int i = 1; i < identifier.length(); i++) {
+			if (!Character.isJavaIdentifierPart(identifier.charAt(i))) return false;
+		}
+		
+		return !isKeyword(identifier);
+	}
+	
+	public static boolean isKeyword(String keyword) {
+		return KEYWORDS.contains(keyword);
+	}
+}