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;
12 import java.text.SimpleDateFormat;
14 import java.util.regex.Matcher;
15 import java.util.regex.Pattern;
17 import org.opendaylight.yangtools.yang.common.QName;
18 import org.opendaylight.yangtools.yang.common.QNameModule;
20 import com.google.common.base.CharMatcher;
21 import com.google.common.base.Splitter;
22 import com.google.common.collect.ImmutableSet;
24 public final class BindingMapping {
26 public static final String VERSION = "0.6";
28 public static final Set<String> JAVA_RESERVED_WORDS = ImmutableSet.of("abstract", "assert", "boolean", "break",
29 "byte", "case", "catch", "char", "class", "const", "continue", "default", "double", "do", "else", "enum",
30 "extends", "false", "final", "finally", "float", "for", "goto", "if", "implements", "import", "instanceof",
31 "int", "interface", "long", "native", "new", "null", "package", "private", "protected", "public", "return",
32 "short", "static", "strictfp", "super", "switch", "synchronized", "this", "throw", "throws", "transient",
33 "true", "try", "void", "volatile", "while");
35 public static final String DATA_ROOT_SUFFIX = "Data";
36 public static final String RPC_SERVICE_SUFFIX = "Service";
37 public static final String NOTIFICATION_LISTENER_SUFFIX = "Listener";
38 public static final String QNAME_STATIC_FIELD_NAME = "QNAME";
39 public static final String PACKAGE_PREFIX = "org.opendaylight.yang.gen.v1";
41 private static final Splitter CAMEL_SPLITTER = Splitter.on(CharMatcher.anyOf(" _.-").precomputed())
42 .omitEmptyStrings().trimResults();
43 private static final Pattern COLON_SLASH_SLASH = Pattern.compile("://", Pattern.LITERAL);
44 private static final String QUOTED_DOT = Matcher.quoteReplacement(".");
45 private static final Splitter DOT_SPLITTER = Splitter.on('.');
47 public static final String MODULE_INFO_CLASS_NAME = "$YangModuleInfoImpl";
48 public static final String MODEL_BINDING_PROVIDER_CLASS_NAME = "$YangModelBindingProvider";
50 public static final String RPC_INPUT_SUFFIX = "Input";
51 public static final String RPC_OUTPUT_SUFFIX = "Output";
53 private static final ThreadLocal<SimpleDateFormat> PACKAGE_DATE_FORMAT = new ThreadLocal<SimpleDateFormat>() {
56 protected SimpleDateFormat initialValue() {
57 return new SimpleDateFormat("yyMMdd");
61 public void set(final SimpleDateFormat value) {
62 throw new UnsupportedOperationException();
66 private BindingMapping() {
67 throw new UnsupportedOperationException("Utility class should not be instantiated");
70 public static final String getRootPackageName(final QName module) {
71 return getRootPackageName(module.getModule());
74 public static final String getRootPackageName(final QNameModule module) {
75 checkArgument(module != null, "Module must not be null");
76 checkArgument(module.getRevision() != null, "Revision must not be null");
77 checkArgument(module.getNamespace() != null, "Namespace must not be null");
78 final StringBuilder packageNameBuilder = new StringBuilder();
80 packageNameBuilder.append(BindingMapping.PACKAGE_PREFIX);
81 packageNameBuilder.append('.');
83 String namespace = module.getNamespace().toString();
84 namespace = COLON_SLASH_SLASH.matcher(namespace).replaceAll(QUOTED_DOT);
86 final char[] chars = namespace.toCharArray();
87 for (int i = 0; i < chars.length; ++i) {
105 packageNameBuilder.append(chars);
106 packageNameBuilder.append(".rev");
107 packageNameBuilder.append(PACKAGE_DATE_FORMAT.get().format(module.getRevision()));
108 return normalizePackageName(packageNameBuilder.toString());
112 public static String normalizePackageName(final String packageName) {
113 if (packageName == null) {
117 final StringBuilder builder = new StringBuilder();
118 boolean first = true;
120 for (String p : DOT_SPLITTER.split(packageName.toLowerCase())) {
127 if (Character.isDigit(p.charAt(0)) || BindingMapping.JAVA_RESERVED_WORDS.contains(p)) {
133 return builder.toString();
136 public static final String getMethodName(final QName name) {
137 checkArgument(name != null, "Name should not be null.");
138 return getMethodName(name.getLocalName());
141 public static final String getClassName(final String localName) {
142 checkArgument(localName != null, "Name should not be null.");
143 return toFirstUpper(toCamelCase(localName));
146 public static final String getMethodName(final String yangIdentifier) {
147 checkArgument(yangIdentifier != null,"Identifier should not be null");
148 return toFirstLower(toCamelCase(yangIdentifier));
151 public static final String getClassName(final QName name) {
152 checkArgument(name != null, "Name should not be null.");
153 return toFirstUpper(toCamelCase(name.getLocalName()));
156 public static String getPropertyName(final String yangIdentifier) {
157 final String potential = toFirstLower(toCamelCase(yangIdentifier));
158 if("class".equals(potential)) {
164 private static final String toCamelCase(final String rawString) {
165 checkArgument(rawString != null, "String should not be null");
166 Iterable<String> components = CAMEL_SPLITTER.split(rawString);
167 StringBuilder builder = new StringBuilder();
168 for (String comp : components) {
169 builder.append(toFirstUpper(comp));
171 return checkNumericPrefix(builder.toString());
174 private static final String checkNumericPrefix(final String rawString) {
175 if (rawString == null || rawString.isEmpty()) {
178 char firstChar = rawString.charAt(0);
179 if (firstChar >= '0' && firstChar <= '9') {
180 return "_" + rawString;
187 * Returns the {@link String} {@code s} with an
188 * {@link Character#isUpperCase(char) upper case} first character. This
189 * function is null-safe.
192 * the string that should get an upper case first character. May
193 * be <code>null</code>.
194 * @return the {@link String} {@code s} with an upper case first character
195 * or <code>null</code> if the input {@link String} {@code s} was
198 public static String toFirstUpper(final String s) {
199 if (s == null || s.length() == 0) {
202 if (Character.isUpperCase(s.charAt(0))) {
205 if (s.length() == 1) {
206 return s.toUpperCase();
208 return s.substring(0, 1).toUpperCase() + s.substring(1);
212 * Returns the {@link String} {@code s} with an
213 * {@link Character#isLowerCase(char) lower case} first character. This
214 * function is null-safe.
217 * the string that should get an lower case first character. May
218 * be <code>null</code>.
219 * @return the {@link String} {@code s} with an lower case first character
220 * or <code>null</code> if the input {@link String} {@code s} was
223 private static String toFirstLower(final String s) {
224 if (s == null || s.length() == 0) {
227 if (Character.isLowerCase(s.charAt(0))) {
230 if (s.length() == 1) {
231 return s.toLowerCase();
233 return s.substring(0, 1).toLowerCase() + s.substring(1);