Mercurial > projects > dwt2
annotate org.eclipse.equinox.common/src/org/eclipse/core/runtime/QualifiedName.d @ 12:bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 14 Mar 2009 18:23:29 +0100 |
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children | bbe49769ec18 |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * Port to the D programming language: |
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11 * Frank Benoit <benoit@tionex.de> |
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12 *******************************************************************************/ |
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13 module org.eclipse.core.runtime.QualifiedName; |
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14 |
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15 import org.eclipse.core.runtime.Assert; |
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16 |
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17 import java.lang.all; |
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18 |
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19 /** |
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20 * Qualified names are two-part names: qualifier and local name. |
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21 * The qualifier must be in URI form (see RFC2396). |
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22 * Note however that the qualifier may be <code>null</code> if |
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23 * the default name space is being used. The empty string is not |
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24 * a valid local name. |
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25 * <p> |
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26 * This class can be used without OSGi running. |
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27 * </p><p> |
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28 * This class is not intended to be subclassed by clients. |
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29 * </p> |
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30 * @noextend This class is not intended to be subclassed by clients. |
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31 */ |
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32 public final class QualifiedName { |
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33 |
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34 /** Qualifier part (potentially <code>null</code>). */ |
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35 /*package*/ |
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36 String qualifier = null; |
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37 |
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38 /** Local name part. */ |
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39 /*package*/ |
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40 String localName = null; |
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41 |
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42 /** |
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43 * Creates and returns a new qualified name with the given qualifier |
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44 * and local name. The local name must not be the empty string. |
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45 * The qualifier may be <code>null</code>. |
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46 * <p> |
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47 * Clients may instantiate. |
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48 * </p> |
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49 * @param qualifier the qualifier string, or <code>null</code> |
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50 * @param localName the local name string |
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51 */ |
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52 public this(String qualifier, String localName) { |
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53 Assert.isLegal(localName !is null && localName.length !is 0); |
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54 this.qualifier = qualifier; |
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55 this.localName = localName; |
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56 } |
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57 |
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58 /** |
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59 * Returns whether this qualified name is equivalent to the given object. |
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60 * <p> |
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61 * Qualified names are equal if and only if they have the same |
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62 * qualified parts and local parts. |
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63 * Qualified names are not equal to objects other than qualified names. |
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64 * </p> |
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65 * |
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66 * @param obj the object to compare to |
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67 * @return <code>true</code> if these are equivalent qualified |
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68 * names, and <code>false</code> otherwise |
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69 */ |
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70 public override int opEquals(Object obj) { |
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71 if (obj is this) { |
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72 return true; |
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73 } |
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74 if (!(cast(QualifiedName)obj )) { |
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75 return false; |
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76 } |
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77 QualifiedName qName = cast(QualifiedName) obj; |
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78 /* There may or may not be a qualifier */ |
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79 if (qualifier is null && qName.getQualifier() !is null) { |
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80 return false; |
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81 } |
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82 if (qualifier !is null && !qualifier.equals(qName.getQualifier())) { |
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83 return false; |
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84 } |
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85 return localName.equals(qName.getLocalName()); |
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86 } |
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87 |
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88 /** |
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89 * Returns the local part of this name. |
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90 * |
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91 * @return the local name string |
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92 */ |
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93 public String getLocalName() { |
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94 return localName; |
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95 } |
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96 |
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97 /** |
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98 * Returns the qualifier part for this qualified name, or <code>null</code> |
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99 * if none. |
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100 * |
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101 * @return the qualifier string, or <code>null</code> |
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102 */ |
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103 public String getQualifier() { |
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104 return qualifier; |
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105 } |
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106 |
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107 /* (Intentionally omitted from javadoc) |
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108 * Implements the method <code>Object.hashCode</code>. |
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109 * |
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110 * Returns the hash code for this qualified name. |
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111 */ |
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112 public override hash_t toHash() { |
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113 return (qualifier is null ? 0 : .toHash(qualifier)) + .toHash(localName); |
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114 } |
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115 |
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116 /** |
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117 * Converts this qualified name into a string, suitable for |
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118 * debug purposes only. |
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119 */ |
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120 public override String toString() { |
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121 return (getQualifier() is null ? "" : getQualifier() ~ ':') ~ getLocalName(); //$NON-NLS-1$ |
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122 } |
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123 } |