Examples of org.eclipse.xtend2.lib.StringConcatenation

org.eclipse.xtend2.lib.StringConcatenation

A {@link StringConcatenation} allows for efficient, indentation aware concatenation of character sequences.

In addition to the methods that are specified by the implemented interface {@link CharSequence}, there are some other public operations that allow to modify the contents of this sequence. The string representation of arbitrary objects can be appended to an instance of {@link StringConcatenation}. There are overloaded variants of {@link #append(Object,String)} that allow to pass an indentation that should be applied to each line of the appendedcontent. Each line break that is part of the new content will be replaced by the line delimiter that was configured for this {@link StringConcatenation}.

The {@link #append(Object) append}-operation ignores null arguments. This is different to what {@link StringBuffer} or {@link StringBuilder} do and that's the reason why the {@link Appendable} interface is notfulfilled by a {@link StringConcatenation}.

The object uses an internal {@link List} of {@link String Strings} that is concatenated on demand to a completesequence. Use {@link #toString()} to get the joined version of a {@link StringConcatenation}.

{@link #equals(Object)} and {@link #hashCode()} are not specialized for a {@link StringConcatenation}, that is, the semantics are based on identity similar to what {@link StringBuffer} and {@link StringBuilder} do.
@author Sebastian Zarnekow - Initial contribution and API @since 2.3

    boolean _greaterThan = (_size > 1);
    if (_greaterThan) {
      Iterable<Environment> _tail = IterableExtensions.<Environment>tail(envList);
      final Procedure1<Environment> _function = new Procedure1<Environment>() {
        public void apply(final Environment it) {
          StringConcatenation _builder = new StringConcatenation();
          _builder.append("Environment definition should not be splitted accros the file.");
          EList<TargetContent> _contents = tp.getContents();
          int _indexOf = _contents.indexOf(it);
          TargetPlatformValidator.this.warning(_builder.toString(), tp, TargetPlatformPackage.Literals.TARGET_PLATFORM__CONTENTS, _indexOf, TargetPlatformValidator.CHECK__ENVIRONMENT_UNICITY);
        }
      };
      IterableExtensions.<Environment>forEach(_tail, _function);
    }
  }

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    boolean _greaterThan = (_size > 1);
    if (_greaterThan) {
      Iterable<Options> _tail = IterableExtensions.<Options>tail(envList);
      final Procedure1<Options> _function = new Procedure1<Options>() {
        public void apply(final Options it) {
          StringConcatenation _builder = new StringConcatenation();
          _builder.append("Options definition should not be splitted accros the file.");
          EList<TargetContent> _contents = tp.getContents();
          int _indexOf = _contents.indexOf(it);
          TargetPlatformValidator.this.warning(_builder.toString(), tp, TargetPlatformPackage.Literals.TARGET_PLATFORM__CONTENTS, _indexOf, TargetPlatformValidator.CHECK__OPTIONS_UNICITY);
        }
      };
      IterableExtensions.<Options>forEach(_tail, _function);
    }
  }

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      _xifexpression = idRule.getText();
    }
    final String id = _xifexpression;
    boolean _contains_1 = id.contains("^");
    if (_contains_1) {
      StringConcatenation _builder = new StringConcatenation();
      _builder.append("Usage of escape character \'^\' in the ID of IUs is not required anymore and has been deprecated.");
      this.warning(_builder.toString(), iu, TargetPlatformPackage.Literals.IU__ID, TargetPlatformValidator.CHECK__ESCAPE_CHAR_IU_ID);
    }
  }

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  }
  
  @Test
  public void testEnvWS() {
    try {
      StringConcatenation _builder = new StringConcatenation();
      _builder.append("target \"TP1\"");
      _builder.newLine();
      _builder.newLine();
      _builder.append("environment cocoa");
      _builder.newLine();
      final TargetPlatform tp1 = this.parser.parse(_builder);
      final ResolvedTargetPlatform resolvedTargetPlatform = ResolvedTargetPlatform.create(tp1, this.indexBuilder);
      final TargetDefinitionGenerator gen = new TargetDefinitionGenerator();
      final String content = gen.generate(resolvedTargetPlatform, 1);
      StringConcatenation _builder_1 = new StringConcatenation();
      _builder_1.append("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>");
      _builder_1.newLine();
      _builder_1.append("<?pde?>");
      _builder_1.newLine();
      _builder_1.append("<!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->");
      _builder_1.newLine();
      _builder_1.append("<target name=\"TP1\" sequenceNumber=\"1\">");
      _builder_1.newLine();
      _builder_1.append("  ");
      _builder_1.append("<environment>");
      _builder_1.newLine();
      _builder_1.append("    ");
      _builder_1.append("<ws>cocoa</ws>");
      _builder_1.newLine();
      _builder_1.append("  ");
      _builder_1.append("</environment>");
      _builder_1.newLine();
      _builder_1.append("</target>");
      _builder_1.newLine();
      String _string = _builder_1.toString();
      Assert.assertEquals(_string, content);
    } catch (Throwable _e) {
      throw Exceptions.sneakyThrow(_e);
    }
  }

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        final Set<URI> importedTPsWithDup = IterableExtensions.<URI>toSet(_map_1);
        String _xifexpression = null;
        String _iD = entry.getID();
        boolean _contains = importedIUsID.contains(_iD);
        if (_contains) {
          StringConcatenation _builder = new StringConcatenation();
          _builder.append("Duplicated IU \'");
          String _iD_1 = entry.getID();
          _builder.append(_iD_1, "");
          _builder.append("\' for locations \'");
          String _join = IterableExtensions.join(localLocationsWithDup, "\', \'");
          _builder.append(_join, "");
          _builder.append("\'. It is included from target platforms \'");
          String _join_1 = IterableExtensions.join(importedTPsWithDup, "\', \'");
          _builder.append(_join_1, "");
          _builder.append("\'.");
          _xifexpression = _builder.toString();
        } else {
          StringConcatenation _builder_1 = new StringConcatenation();
          _builder_1.append("Duplicated IU \'");
          String _iD_2 = entry.getID();
          _builder_1.append(_iD_2, "");
          _builder_1.append("\' for locations \'");
          String _join_2 = IterableExtensions.join(localLocationsWithDup, "\', \'");
          _builder_1.append(_join_2, "");
          _builder_1.append("\'.");
          _xifexpression = _builder_1.toString();
        }
        final String msg = _xifexpression;
        Location _location = entry.getLocation();
        Location _location_1 = entry.getLocation();
        EList<IU> _ius = _location_1.getIus();

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  }
  
  @Test
  public void testEnvArch() {
    try {
      StringConcatenation _builder = new StringConcatenation();
      _builder.append("target \"TP1\"");
      _builder.newLine();
      _builder.newLine();
      _builder.append("environment x86_64");
      _builder.newLine();
      final TargetPlatform tp1 = this.parser.parse(_builder);
      final ResolvedTargetPlatform resolvedTargetPlatform = ResolvedTargetPlatform.create(tp1, this.indexBuilder);
      final TargetDefinitionGenerator gen = new TargetDefinitionGenerator();
      final String content = gen.generate(resolvedTargetPlatform, 1);
      StringConcatenation _builder_1 = new StringConcatenation();
      _builder_1.append("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>");
      _builder_1.newLine();
      _builder_1.append("<?pde?>");
      _builder_1.newLine();
      _builder_1.append("<!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->");
      _builder_1.newLine();
      _builder_1.append("<target name=\"TP1\" sequenceNumber=\"1\">");
      _builder_1.newLine();
      _builder_1.append("  ");
      _builder_1.append("<environment>");
      _builder_1.newLine();
      _builder_1.append("    ");
      _builder_1.append("<arch>x86_64</arch>");
      _builder_1.newLine();
      _builder_1.append("  ");
      _builder_1.append("</environment>");
      _builder_1.newLine();
      _builder_1.append("</target>");
      _builder_1.newLine();
      String _string = _builder_1.toString();
      Assert.assertEquals(_string, content);
    } catch (Throwable _e) {
      throw Exceptions.sneakyThrow(_e);
    }
  }

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  }
  
  @Test
  public void testEnvLocale() {
    try {
      StringConcatenation _builder = new StringConcatenation();
      _builder.append("target \"TP1\"");
      _builder.newLine();
      _builder.newLine();
      _builder.append("environment fr_fr");
      _builder.newLine();
      final TargetPlatform tp1 = this.parser.parse(_builder);
      final ResolvedTargetPlatform resolvedTargetPlatform = ResolvedTargetPlatform.create(tp1, this.indexBuilder);
      final TargetDefinitionGenerator gen = new TargetDefinitionGenerator();
      final String content = gen.generate(resolvedTargetPlatform, 1);
      StringConcatenation _builder_1 = new StringConcatenation();
      _builder_1.append("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>");
      _builder_1.newLine();
      _builder_1.append("<?pde?>");
      _builder_1.newLine();
      _builder_1.append("<!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->");
      _builder_1.newLine();
      _builder_1.append("<target name=\"TP1\" sequenceNumber=\"1\">");
      _builder_1.newLine();
      _builder_1.append("  ");
      _builder_1.append("<environment>");
      _builder_1.newLine();
      _builder_1.append("    ");
      _builder_1.append("<nl>fr_FR</nl>");
      _builder_1.newLine();
      _builder_1.append("  ");
      _builder_1.append("</environment>");
      _builder_1.newLine();
      _builder_1.append("</target>");
      _builder_1.newLine();
      String _string = _builder_1.toString();
      Assert.assertEquals(_string, content);
    } catch (Throwable _e) {
      throw Exceptions.sneakyThrow(_e);
    }
  }

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  }
  
  @Test
  public void testStandardFile() {
    try {
      StringConcatenation _builder = new StringConcatenation();
      _builder.append("target \"Latest target for EMF Compare based on Kepler interim\"");
      _builder.newLine();
      _builder.newLine();
      _builder.append("location \"https://hudson.eclipse.org/hudson/view/Modeling/job/emf-core-head/lastSuccessfulBuild/artifact/EMF.p2.repository/\" {");
      _builder.newLine();
      _builder.append("\t");
      _builder.append("org.eclipse.emf.sdk.feature.group;version=\"[2.9.0,3.0.0)\"");
      _builder.newLine();
      _builder.append("\t");
      _builder.append("com.google.common.cache;version=\"10.0.1\"");
      _builder.newLine();
      _builder.append("}");
      _builder.newLine();
      _builder.newLine();
      _builder.append("location \"https://hudson.eclipse.org/hudson/view/Modeling/job/mdt-uml2-master/lastSuccessfulBuild/artifact/UML2.p2.repository/\" {");
      _builder.newLine();
      _builder.append("\t");
      _builder.append("org.eclipse.uml2.sdk.feature.group");
      _builder.newLine();
      _builder.append("}");
      _builder.newLine();
      final TargetPlatform targetPlatform = this.parser.parse(_builder);
      Resource _eResource = targetPlatform.eResource();
      EList<Resource.Diagnostic> _errors = _eResource.getErrors();
      String _join = IterableExtensions.join(_errors, "\n");
      Resource _eResource_1 = targetPlatform.eResource();

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    EObject _grammarElement = _currentNode.getGrammarElement();
    TargetPlatformGrammarAccess.TargetPlatformElements _targetPlatformAccess = this.grammarAccess.getTargetPlatformAccess();
    Keyword _targetKeyword_0 = _targetPlatformAccess.getTargetKeyword_0();
    boolean _equals = Objects.equal(_grammarElement, _targetKeyword_0);
    if (_equals) {
      StringConcatenation _builder = new StringConcatenation();
      _builder.append(" ");
      _builder.append("\"");
      _builder.append(TargetPlatformProposalProvider.TARGET_PLATFORM__NAME_PLACEHOLDER, " ");
      _builder.append("\"");
      ITextViewer _viewer = context.getViewer();
      StyledText _textWidget = _viewer.getTextWidget();
      String _lineDelimiter = _textWidget.getLineDelimiter();
      _builder.append(_lineDelimiter, " ");
      textProposal = _builder.toString();
      offset = 2;
    } else {
      StringConcatenation _builder_1 = new StringConcatenation();
      _builder_1.append("\"");
      _builder_1.append(TargetPlatformProposalProvider.TARGET_PLATFORM__NAME_PLACEHOLDER, "");
      _builder_1.append("\"");
      ITextViewer _viewer_1 = context.getViewer();
      StyledText _textWidget_1 = _viewer_1.getTextWidget();
      String _lineDelimiter_1 = _textWidget_1.getLineDelimiter();
      _builder_1.append(_lineDelimiter_1, "");
      textProposal = _builder_1.toString();
      offset = 1;
    }
    StringConcatenation _builder_2 = new StringConcatenation();
    _builder_2.append("\"");
    _builder_2.append(TargetPlatformProposalProvider.TARGET_PLATFORM__NAME_PLACEHOLDER, "");
    _builder_2.append("\"");
    StyledString _styledString = new StyledString(_builder_2.toString());
    StyledString _append = _styledString.append(" - name of the target", StyledString.QUALIFIER_STYLER);
    Image _image = this.getImage(TargetPlatformProposalProvider.TARGET_PLATFORM);
    final ICompletionProposal p = this.createCompletionProposal(textProposal, _append, _image, context);
    if ((p instanceof ConfigurableCompletionProposal)) {
      int _replacementOffset = ((ConfigurableCompletionProposal)p).getReplacementOffset();

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  }
  
  @Test
  public void testOption() {
    try {
      StringConcatenation _builder = new StringConcatenation();
      _builder.append("target \"a target platform\"");
      _builder.newLine();
      _builder.newLine();
      _builder.append("location \"my location URL\" {");
      _builder.newLine();
      _builder.append("\t");
      _builder.append("with source, allEnvironments, requirements, configurePhase");
      _builder.newLine();
      _builder.append("\t");
      _builder.append("org.eclipse.emf.sdk.feature.group;version=\"[2.9.0,3.0.0)\"");
      _builder.newLine();
      _builder.append("}");
      _builder.newLine();
      final TargetPlatform targetPlatform = this.parser.parse(_builder);
      Resource _eResource = targetPlatform.eResource();
      EList<Resource.Diagnostic> _errors = _eResource.getErrors();
      String _join = IterableExtensions.join(_errors, "\n");
      Resource _eResource_1 = targetPlatform.eResource();

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