Java Code Examples for org.eclipse.xtext.util.Strings#concat()

public void assertErrorMarker(IFile file, String issueCode, int expectedIssuesCount) throws CoreException {
	IMarker[] findMarkers = file.findMarkers(null, true, IResource.DEPTH_INFINITE);
	int matchingIssuesFound = 0;
	List<String> allCodes = new ArrayList<String>();
	for (IMarker iMarker : findMarkers) {
		String code = issueUtil.getCode(iMarker);
		if (code != null) {
			allCodes.add(code);
			if (issueCode.equals(code)) {
				matchingIssuesFound++;
			}
		}
	}
	String message = "Expected error marker not found: '" + issueCode
			+ (allCodes.isEmpty() ? "'" : "' but found '" + Strings.concat(",", allCodes) + "'");
	assertTrue(message, matchingIssuesFound > 0);
	assertEquals("Expected error marker count for '" + issueCode + "'", expectedIssuesCount, matchingIssuesFound);
}
 

public static void setUp() throws Exception {
	testProject = createJavaProject("performance.test.project",
			new String[] {
					JavaCore.NATURE_ID,
					"org.eclipse.pde.PluginNature"
			}
	);
	new ToggleXtextNatureCommand().toggleNature(testProject.getProject());
	IFolder sourceFolder = JavaProjectSetupUtil.addSourceFolder(testProject, "src");
	JavaProjectSetupUtil.addSourceFolder(testProject, "xtend-gen");

	List<String> filesToCopy = readResource("/files.list");
	
	for(String fileToCopy: filesToCopy) {
		IPath filePath = new Path(fileToCopy);
		IFolder packageFolder = sourceFolder.getFolder(filePath.removeLastSegments(1));
		if (!packageFolder.exists())
			createFolderRecursively(packageFolder);
		List<String> content = readResource(fileToCopy);
		String contentAsString = Strings.concat("\n", content);
		String fileName = filePath.lastSegment();
		createFile(fileName.substring(0, fileName.length() - ".txt".length()), packageFolder, contentAsString);
	}
	waitForBuild();
}
 

/** @return string representation of {@link QualifierTag} */
static public String serialize(QualifierTag qt) {
	if (qt == null)
		return "";

	String str = Strings.concat(".", qt.getParts());
	return str;
}
 

/**
 * @since 2.7
 */
protected void normalizeTokens(String grammarFileName, Charset encoding) {
	String tokenFile = toTokenFileName(grammarFileName);
	String content = readFileIntoString(tokenFile, encoding);
	content = new NewlineNormalizer(getLineDelimiter()).normalizeLineDelimiters(content);
	List<String> splitted = Strings.split(content, getLineDelimiter());
	Collections.sort(splitted);
	content = Strings.concat(getLineDelimiter(), splitted) + getLineDelimiter();
	writeStringIntoFile(tokenFile, content, encoding);
}
 

private void normalizeTokens(String grammarFileName, Charset encoding) {
	String tokenFile = toTokenFileName(grammarFileName);
	String content = readFileIntoString(tokenFile, encoding);
	content = new NewlineNormalizer(getLineDelimiter()).normalizeLineDelimiters(content);
	List<String> splitted = Strings.split(content, getLineDelimiter());
	Collections.sort(splitted);
	content = Strings.concat(getLineDelimiter(), splitted) + getLineDelimiter();
	writeStringIntoFile(tokenFile, content, encoding);
}
 

public String getJavaFileName(IEObjectDescription description) {
	if (!isJvmDeclaredType(description)) {
		return null;
	}
	QualifiedName typeName = description.getName();
	return Strings.concat("/", typeName.getSegments()) + ".java";
}
 

@Test
public void testFixInvalidMetaModelName() throws Exception {
	String model = Strings.concat("\n", Arrays.asList("grammar org.xtext.example.mydsl.MyDsl with org.eclipse.xtext.common.Terminals",
			"generate MYDSL \"http://www.xtext.org/example/mydsl/MyDsl\"", "Model: a=ID;"));
	XtextEditor xtextEditor = openInEditor(model);
	assertAndApplySingleResolution(xtextEditor, INVALID_METAMODEL_NAME, 1, "Fix metamodel name 'MYDSL'");
}
 

@Test
public void fixAddActionForGrammarWithAlias() throws Exception {
	String model = Strings.concat("\n",
			Arrays.asList("grammar org.xtext.example.mydsl.MyDsl with org.eclipse.xtext.common.Terminals",
					"generate myDsl \"http://www.xtext.org/example/mydsl/MyDsl\" as my",
					"Model returns my::Greeting: greetings+=Greeting*;", "Greeting returns my::Greeting: 'Hello' name=ID? '!';"));
	XtextEditor xtextEditor = openInEditor(model);
	assertAndApplySingleResolution(xtextEditor, RuleWithoutInstantiationInspector.ISSUE_CODE, 0,
			"Add actions to ensure object creation");
}
 

private String grammarGeneratingModel(String... bodyContent) {
	List<String> list = new ArrayList<>();
	list.add("grammar org.xtext.example.mydsl.MyDsl with org.eclipse.xtext.common.Terminals");
	list.add("generate myDsl \"http://www.xtext.org/example/mydsl/MyDsl\"");
	list.addAll(Arrays.asList(bodyContent));
	return Strings.concat("\n", list);
}
 

public static void setUp() throws Exception {
	if(javaProject != null)
		return;
	TargetPlatformUtil.setTargetPlatform(MockJavaProjectProvider.class);
	javaProject = createJavaProject("projectWithoutSources",
			new String[] {
					JavaCore.NATURE_ID,
					"org.eclipse.pde.PluginNature"
			}
	);
	String path = "/org/eclipse/xtext/common/types/testSetups";
	String jarFileName = "/testData.jar";
	IFile jarFile = PluginUtil.copyFileToWorkspace(TestsActivator.getInstance(), path + jarFileName, javaProject.getProject(), 
			jarFileName);
	JavaProjectSetupUtil.addJarToClasspath(javaProject, jarFile);
	
	javaProjectWithSources = createJavaProject("projectWithSources",
			new String[] {
					JavaCore.NATURE_ID,
					"org.eclipse.pde.PluginNature"
			}
	);
	IFolder sourceFolder = JavaProjectSetupUtil.addSourceFolder(javaProjectWithSources, "src");
	
	List<String> filesToCopy = readResource(path + "/files.list");
	IFolder srcFolder = sourceFolder.getFolder(new Path(path));
	createFolderRecursively(srcFolder);
	for(String fileToCopy: filesToCopy) {
		List<String> content = readResource(path + "/" + fileToCopy);
		String contentAsString = Strings.concat("\n", content);
		createFile(fileToCopy.substring(0, fileToCopy.length() - ".txt".length()), srcFolder, contentAsString);
	}
	createFile("ClassWithDefaultPackage.java", sourceFolder, "public class ClassWithDefaultPackage {}");
	PreferenceConstants.getPreferenceStore().putValue(PreferenceConstants.TYPEFILTER_ENABLED, "*.javafx.*;");
	IResourcesSetupUtil.waitForBuild();
}
 

protected void normalizeTokens(final IXtextGeneratorFileSystemAccess fsa, final String tokenFile) {
  String content = fsa.readTextFile(tokenFile).toString();
  content = this.newLineNormalizer.postProcess(fsa.getURI(tokenFile), content).toString();
  final List<String> splitted = Strings.split(content, this.codeConfig.getLineDelimiter());
  Collections.<String>sort(splitted);
  String _concat = Strings.concat(this.codeConfig.getLineDelimiter(), splitted);
  String _lineDelimiter = this.codeConfig.getLineDelimiter();
  String _plus = (_concat + _lineDelimiter);
  content = _plus;
  fsa.generateFile(tokenFile, content);
}
 

public String getMergedIds(String[] ids) {
	return "$$$Merged:" + Strings.concat("/", Arrays.asList(ids)) + "$$$";
}
 

/** Assert that the given list contains no issue.
 *
 * @param issues the list to test.
 */
public static void assertNoIssue(List<String> issues) {
	if (!issues.isEmpty()) {
		throw new AssertionFailedError("Errors in the example code", "", Strings.concat("\n", issues));
	}
}