2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.binding;
12 import org.opendaylight.yangtools.yang.common.QName;
14 import com.google.common.base.Splitter;
15 import com.google.common.collect.ImmutableSet;
16 import static com.google.common.base.Preconditions.*;
18 public final class BindingMapping {
20 public static final String VERSION = "0.6";
22 public static final Set<String> JAVA_RESERVED_WORDS = ImmutableSet.of("abstract", "assert", "boolean", "break",
23 "byte", "case", "catch", "char", "class", "const", "continue", "default", "double", "do", "else", "enum",
24 "extends", "false", "final", "finally", "float", "for", "goto", "if", "implements", "import", "instanceof",
25 "int", "interface", "long", "native", "new", "null", "package", "private", "protected", "public", "return",
26 "short", "static", "strictfp", "super", "switch", "synchronized", "this", "throw", "throws", "transient",
27 "true", "try", "void", "volatile", "while");
29 public static final String DATA_ROOT_SUFFIX = "Data";
30 public static final String RPC_SERVICE_SUFFIX = "Service";
31 public static final String NOTIFICATION_LISTENER_SUFFIX = "Listener";
32 public static final String QNAME_STATIC_FIELD_NAME = "QNAME";
34 private static final Splitter SPACE_SPLITTER = Splitter.on(" ").omitEmptyStrings().trimResults();
36 public static final String getMethodName(QName name) {
37 checkArgument(name != null, "Name should not be null.");
38 return toFirstLower(toCamelCase(name.getLocalName()));
41 public static final String getClassName(String localName) {
42 return toFirstUpper(toCamelCase(localName));
45 public static final String getClassName(QName name) {
46 checkArgument(name != null, "Name should not be null.");
47 return toFirstUpper(toCamelCase(name.getLocalName()));
50 private static final String toCamelCase(String rawString) {
51 checkArgument(rawString != null, "String should not be null");
52 Iterable<String> components = SPACE_SPLITTER.split(rawString.replace('-', ' ').replace('_', ' '));
53 StringBuilder builder = new StringBuilder();
54 for (String comp : components) {
55 builder.append(toFirstUpper(comp));
57 return builder.toString();
61 * Returns the {@link String} {@code s} with an
62 * {@link Character#isUpperCase(char) upper case} first character. This
63 * function is null-safe.
66 * the string that should get an upper case first character. May
67 * be <code>null</code>.
68 * @return the {@link String} {@code s} with an upper case first character
69 * or <code>null</code> if the input {@link String} {@code s} was
72 private static String toFirstUpper(String s) {
73 if (s == null || s.length() == 0)
75 if (Character.isUpperCase(s.charAt(0)))
78 return s.toUpperCase();
79 return s.substring(0, 1).toUpperCase() + s.substring(1);
83 * Returns the {@link String} {@code s} with an
84 * {@link Character#isLowerCase(char) lower case} first character. This
85 * function is null-safe.
88 * the string that should get an lower case first character. May
89 * be <code>null</code>.
90 * @return the {@link String} {@code s} with an lower case first character
91 * or <code>null</code> if the input {@link String} {@code s} was
94 private static String toFirstLower(String s) {
95 if (s == null || s.length() == 0)
97 if (Character.isLowerCase(s.charAt(0)))
100 return s.toLowerCase();
101 return s.substring(0, 1).toLowerCase() + s.substring(1);