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;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import com.google.common.base.CharMatcher;
12 import com.google.common.base.Splitter;
13 import com.google.common.collect.ImmutableSet;
14 import java.text.SimpleDateFormat;
16 import java.util.regex.Matcher;
17 import java.util.regex.Pattern;
18 import org.opendaylight.yangtools.yang.common.QName;
19 import org.opendaylight.yangtools.yang.common.QNameModule;
21 public final class BindingMapping {
23 public static final String VERSION = "0.6";
25 public static final Set<String> JAVA_RESERVED_WORDS = ImmutableSet.of("abstract", "assert", "boolean", "break",
26 "byte", "case", "catch", "char", "class", "const", "continue", "default", "double", "do", "else", "enum",
27 "extends", "false", "final", "finally", "float", "for", "goto", "if", "implements", "import", "instanceof",
28 "int", "interface", "long", "native", "new", "null", "package", "private", "protected", "public", "return",
29 "short", "static", "strictfp", "super", "switch", "synchronized", "this", "throw", "throws", "transient",
30 "true", "try", "void", "volatile", "while");
32 public static final String DATA_ROOT_SUFFIX = "Data";
33 public static final String RPC_SERVICE_SUFFIX = "Service";
34 public static final String NOTIFICATION_LISTENER_SUFFIX = "Listener";
35 public static final String QNAME_STATIC_FIELD_NAME = "QNAME";
36 public static final String PACKAGE_PREFIX = "org.opendaylight.yang.gen.v1";
37 public static final String AUGMENTATION_FIELD = "augmentation";
39 private static final Splitter CAMEL_SPLITTER = Splitter.on(CharMatcher.anyOf(" _.-").precomputed())
40 .omitEmptyStrings().trimResults();
41 private static final Pattern COLON_SLASH_SLASH = Pattern.compile("://", Pattern.LITERAL);
42 private static final String QUOTED_DOT = Matcher.quoteReplacement(".");
43 private static final Splitter DOT_SPLITTER = Splitter.on('.');
45 public static final String MODULE_INFO_CLASS_NAME = "$YangModuleInfoImpl";
46 public static final String MODEL_BINDING_PROVIDER_CLASS_NAME = "$YangModelBindingProvider";
48 public static final String RPC_INPUT_SUFFIX = "Input";
49 public static final String RPC_OUTPUT_SUFFIX = "Output";
51 private static final ThreadLocal<SimpleDateFormat> PACKAGE_DATE_FORMAT = new ThreadLocal<SimpleDateFormat>() {
54 protected SimpleDateFormat initialValue() {
55 return new SimpleDateFormat("yyMMdd");
59 public void set(final SimpleDateFormat value) {
60 throw new UnsupportedOperationException();
64 private BindingMapping() {
65 throw new UnsupportedOperationException("Utility class should not be instantiated");
68 public static String getRootPackageName(final QName module) {
69 return getRootPackageName(module.getModule());
72 public static String getRootPackageName(final QNameModule module) {
73 checkArgument(module != null, "Module must not be null");
74 checkArgument(module.getRevision() != null, "Revision must not be null");
75 checkArgument(module.getNamespace() != null, "Namespace must not be null");
76 final StringBuilder packageNameBuilder = new StringBuilder();
78 packageNameBuilder.append(BindingMapping.PACKAGE_PREFIX);
79 packageNameBuilder.append('.');
81 String namespace = module.getNamespace().toString();
82 namespace = COLON_SLASH_SLASH.matcher(namespace).replaceAll(QUOTED_DOT);
84 final char[] chars = namespace.toCharArray();
85 for (int i = 0; i < chars.length; ++i) {
103 packageNameBuilder.append(chars);
104 packageNameBuilder.append(".rev");
105 packageNameBuilder.append(PACKAGE_DATE_FORMAT.get().format(module.getRevision()));
106 return normalizePackageName(packageNameBuilder.toString());
110 public static String normalizePackageName(final String packageName) {
111 if (packageName == null) {
115 final StringBuilder builder = new StringBuilder();
116 boolean first = true;
118 for (String p : DOT_SPLITTER.split(packageName.toLowerCase())) {
125 if (Character.isDigit(p.charAt(0)) || BindingMapping.JAVA_RESERVED_WORDS.contains(p)) {
131 return builder.toString();
134 public static String getMethodName(final QName name) {
135 checkArgument(name != null, "Name should not be null.");
136 return getMethodName(name.getLocalName());
139 public static String getClassName(final String localName) {
140 checkArgument(localName != null, "Name should not be null.");
141 return toFirstUpper(toCamelCase(localName));
144 public static String getMethodName(final String yangIdentifier) {
145 checkArgument(yangIdentifier != null,"Identifier should not be null");
146 return toFirstLower(toCamelCase(yangIdentifier));
149 public static String getClassName(final QName name) {
150 checkArgument(name != null, "Name should not be null.");
151 return toFirstUpper(toCamelCase(name.getLocalName()));
154 public static String getPropertyName(final String yangIdentifier) {
155 final String potential = toFirstLower(toCamelCase(yangIdentifier));
156 if ("class".equals(potential)) {
162 private static String toCamelCase(final String rawString) {
163 checkArgument(rawString != null, "String should not be null");
164 Iterable<String> components = CAMEL_SPLITTER.split(rawString);
165 StringBuilder builder = new StringBuilder();
166 for (String comp : components) {
167 builder.append(toFirstUpper(comp));
169 return checkNumericPrefix(builder.toString());
172 private static String checkNumericPrefix(final String rawString) {
173 if (rawString == null || rawString.isEmpty()) {
176 char firstChar = rawString.charAt(0);
177 if (firstChar >= '0' && firstChar <= '9') {
178 return "_" + rawString;
185 * Returns the {@link String} {@code s} with an
186 * {@link Character#isUpperCase(char) upper case} first character. This
187 * function is null-safe.
190 * the string that should get an upper case first character. May
191 * be <code>null</code>.
192 * @return the {@link String} {@code s} with an upper case first character
193 * or <code>null</code> if the input {@link String} {@code s} was
196 public static String toFirstUpper(final String s) {
197 if (s == null || s.length() == 0) {
200 if (Character.isUpperCase(s.charAt(0))) {
203 if (s.length() == 1) {
204 return s.toUpperCase();
206 return s.substring(0, 1).toUpperCase() + s.substring(1);
210 * Returns the {@link String} {@code s} with an
211 * {@link Character#isLowerCase(char) lower case} first character. This
212 * function is null-safe.
215 * the string that should get an lower case first character. May
216 * be <code>null</code>.
217 * @return the {@link String} {@code s} with an lower case first character
218 * or <code>null</code> if the input {@link String} {@code s} was
221 private static String toFirstLower(final String s) {
222 if (s == null || s.length() == 0) {
225 if (Character.isLowerCase(s.charAt(0))) {
228 if (s.length() == 1) {
229 return s.toLowerCase();
231 return s.substring(0, 1).toLowerCase() + s.substring(1);