Java Code Examples for org.eclipse.jdt.core.JavaCore#VERSION_1_4

public static String getCompilerCompliance(IVMInstall2 vMInstall, String defaultCompliance) {
	String version= vMInstall.getJavaVersion();
	if (version == null) {
		return defaultCompliance;
	} else if (version.startsWith(JavaCore.VERSION_1_8)) {
		return JavaCore.VERSION_1_8;
	} else if (version.startsWith(JavaCore.VERSION_1_7)) {
		return JavaCore.VERSION_1_7;
	} else if (version.startsWith(JavaCore.VERSION_1_6)) {
		return JavaCore.VERSION_1_6;
	} else if (version.startsWith(JavaCore.VERSION_1_5)) {
		return JavaCore.VERSION_1_5;
	} else if (version.startsWith(JavaCore.VERSION_1_4)) {
		return JavaCore.VERSION_1_4;
	} else if (version.startsWith(JavaCore.VERSION_1_3)) {
		return JavaCore.VERSION_1_3;
	} else if (version.startsWith(JavaCore.VERSION_1_2)) {
		return JavaCore.VERSION_1_3;
	} else if (version.startsWith(JavaCore.VERSION_1_1)) {
		return JavaCore.VERSION_1_3;
	}
	return defaultCompliance;
}
 

public static String getExecutionEnvironmentCompliance(IExecutionEnvironment executionEnvironment) {
	Map<String, String> complianceOptions= executionEnvironment.getComplianceOptions();
	if (complianceOptions != null) {
		Object compliance= complianceOptions.get(JavaCore.COMPILER_COMPLIANCE);
		if (compliance instanceof String)
			return (String)compliance;
	}
	
	// fallback:
	String desc= executionEnvironment.getId();
	if (desc.indexOf(JavaCore.VERSION_1_8) != -1) {
		return JavaCore.VERSION_1_8;
	} else if (desc.indexOf(JavaCore.VERSION_1_7) != -1) {
		return JavaCore.VERSION_1_7;
	} else if (desc.indexOf(JavaCore.VERSION_1_6) != -1) {
		return JavaCore.VERSION_1_6;
	} else if (desc.indexOf(JavaCore.VERSION_1_5) != -1) {
		return JavaCore.VERSION_1_5;
	} else if (desc.indexOf(JavaCore.VERSION_1_4) != -1) {
		return JavaCore.VERSION_1_4;
	}
	return JavaCore.VERSION_1_3;
}
 

@SuppressWarnings("deprecation")
public static ASTParser buildParser(FileKind fileKind) {
	int astLevel = -1;
	String compliance = null;
	switch (fileKind) {
	case SOURCE_JAVA_JLS2:
		astLevel = AST.JLS2;
		compliance = JavaCore.VERSION_1_4;
		break;
	case SOURCE_JAVA_JLS3:
		astLevel = AST.JLS3;
		compliance = JavaCore.VERSION_1_5;
		break;
	case SOURCE_JAVA_JLS4:
		astLevel = AST.JLS4;
		compliance = JavaCore.VERSION_1_7;
		break;
	case SOURCE_JAVA_JLS8:
		astLevel = AST.JLS8;
		compliance = JavaCore.VERSION_1_8;
		break;
	default:
		break;
	}
	if (compliance != null) {
		ASTParser parser = ASTParser.newParser(astLevel);
		parser.setKind(ASTParser.K_COMPILATION_UNIT);

		final Map<?, ?> options = JavaCore.getOptions();
		JavaCore.setComplianceOptions(compliance, options);
		parser.setCompilerOptions(options);
		return parser;
	}
	return null;
}
 

private void fillInstalledJREs(ComboDialogField comboField) {
	String selectedItem= getLastSelectedJRE();
	int selectionIndex= -1;
	if (fUseProjectJRE.isSelected()) {
		selectionIndex= comboField.getSelectionIndex();
		if (selectionIndex != -1) {//paranoia
			selectedItem= comboField.getItems()[selectionIndex];
		}
	}

	fInstalledJVMs= getWorkspaceJREs();
	Arrays.sort(fInstalledJVMs, new Comparator<IVMInstall>() {

		public int compare(IVMInstall i0, IVMInstall i1) {
			if (i1 instanceof IVMInstall2 && i0 instanceof IVMInstall2) {
				String cc0= JavaModelUtil.getCompilerCompliance((IVMInstall2) i0, JavaCore.VERSION_1_4);
				String cc1= JavaModelUtil.getCompilerCompliance((IVMInstall2) i1, JavaCore.VERSION_1_4);
				int result= cc1.compareTo(cc0);
				if (result != 0)
					return result;
			}
			return Policy.getComparator().compare(i0.getName(), i1.getName());
		}

	});
	selectionIndex= -1;//find new index
	String[] jreLabels= new String[fInstalledJVMs.length];
	fJRECompliance= new String[fInstalledJVMs.length];
	for (int i= 0; i < fInstalledJVMs.length; i++) {
		jreLabels[i]= fInstalledJVMs[i].getName();
		if (selectedItem != null && jreLabels[i].equals(selectedItem)) {
			selectionIndex= i;
		}
		if (fInstalledJVMs[i] instanceof IVMInstall2) {
			fJRECompliance[i]= JavaModelUtil.getCompilerCompliance((IVMInstall2) fInstalledJVMs[i], JavaCore.VERSION_1_4);
		} else {
			fJRECompliance[i]= JavaCore.VERSION_1_4;
		}
	}
	comboField.setItems(jreLabels);
	if (selectionIndex == -1) {
		comboField.selectItem(getDefaultJVMName());
	} else {
		comboField.selectItem(selectedItem);
	}
}
 

public void handlePossibleJVMChange() {

			if (JavaRuntime.getDefaultVMInstall() == null) {
				fHintText.setText(NewWizardMessages.NewJavaProjectWizardPageOne_NoJREFound_link);
				fHintText.setVisible(true);
				fIcon.setImage(Dialog.getImage(Dialog.DLG_IMG_MESSAGE_WARNING));
				fIcon.setVisible(true);
				return;
			}

			String selectedCompliance= fJREGroup.getSelectedCompilerCompliance();
			if (selectedCompliance != null) {
				String defaultCompliance= JavaCore.getOption(JavaCore.COMPILER_COMPLIANCE);
				if (selectedCompliance.equals(defaultCompliance)) {
					fHintText.setVisible(false);
					fIcon.setVisible(false);
				} else {
					fHintText.setText(Messages.format(NewWizardMessages.NewJavaProjectWizardPageOne_DetectGroup_differendWorkspaceCC_message, new String[] {  BasicElementLabels.getVersionName(defaultCompliance), BasicElementLabels.getVersionName(selectedCompliance)}));
					fHintText.setVisible(true);
					fIcon.setImage(Dialog.getImage(Dialog.DLG_IMG_MESSAGE_INFO));
					fIcon.setVisible(true);
				}
				return;
			}

			selectedCompliance= JavaCore.getOption(JavaCore.COMPILER_COMPLIANCE);
			IVMInstall selectedJVM= fJREGroup.getSelectedJVM();
			if (selectedJVM == null) {
				selectedJVM= JavaRuntime.getDefaultVMInstall();
			}
			String jvmCompliance= JavaCore.VERSION_1_4;
			if (selectedJVM instanceof IVMInstall2) {
				jvmCompliance= JavaModelUtil.getCompilerCompliance((IVMInstall2) selectedJVM, JavaCore.VERSION_1_4);
			}
			if (!selectedCompliance.equals(jvmCompliance) && (JavaModelUtil.is50OrHigher(selectedCompliance) || JavaModelUtil.is50OrHigher(jvmCompliance))) {
				fHintText.setText(Messages.format(NewWizardMessages.NewJavaProjectWizardPageOne_DetectGroup_jre_message, new String[] {BasicElementLabels.getVersionName(selectedCompliance), BasicElementLabels.getVersionName(jvmCompliance)}));
				fHintText.setVisible(true);
				fIcon.setImage(Dialog.getImage(Dialog.DLG_IMG_MESSAGE_WARNING));
				fIcon.setVisible(true);
			} else {
				fHintText.setVisible(false);
				fIcon.setVisible(false);
			}

		}
 

private void createExtraOptionsGroup(Composite composite) {
	Composite c= new Composite(composite, SWT.NONE);
	c.setLayout(createGridLayout(3));
	c.setLayoutData(createGridData(GridData.FILL_HORIZONTAL, 3, 0));
	((GridLayout) c.getLayout()).marginWidth= 0;

	fOverViewButton= createButton(c, SWT.CHECK, JavadocExportMessages.JavadocSpecificsWizardPage_overviewbutton_label, createGridData(1));
	fOverViewText= createText(c, SWT.SINGLE | SWT.BORDER, null, createGridData(GridData.FILL_HORIZONTAL, 1, 0));
	SWTUtil.setAccessibilityText(fOverViewText, JavadocExportMessages.JavadocSpecificsWizardPage_overviewbutton_description);
	//there really aught to be a way to specify this
	 ((GridData) fOverViewText.getLayoutData()).widthHint= 200;
	fOverViewBrowseButton= createButton(c, SWT.PUSH, JavadocExportMessages.JavadocSpecificsWizardPage_overviewbrowse_label, createGridData(GridData.HORIZONTAL_ALIGN_END, 1, 0));
	SWTUtil.setButtonDimensionHint(fOverViewBrowseButton);

	String str= fStore.getOverview();
	if (str.length() == 0) {
		//default
		fOverViewText.setEnabled(false);
		fOverViewBrowseButton.setEnabled(false);
	} else {
		fOverViewButton.setSelection(true);
		fOverViewText.setText(str);
	}

	createLabel(composite, SWT.NONE, JavadocExportMessages.JavadocSpecificsWizardPage_vmoptionsfield_label, createGridData(GridData.HORIZONTAL_ALIGN_BEGINNING, 3, 0));
	fVMOptionsText= createText(composite, SWT.SINGLE | SWT.BORDER, null, createGridData(GridData.HORIZONTAL_ALIGN_FILL, 3, 0));
	fVMOptionsText.setText(fStore.getVMParams());


	createLabel(composite, SWT.NONE, JavadocExportMessages.JavadocSpecificsWizardPage_extraoptionsfield_label, createGridData(GridData.HORIZONTAL_ALIGN_BEGINNING, 3, 0));
	fExtraOptionsText= createText(composite, SWT.MULTI | SWT.BORDER | SWT.WRAP | SWT.H_SCROLL | SWT.V_SCROLL, null, createGridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.FILL_VERTICAL, 3, 0));
	//fExtraOptionsText.setSize(convertWidthInCharsToPixels(60), convertHeightInCharsToPixels(10));

	fExtraOptionsText.setText(fStore.getAdditionalParams());

	Composite inner= new Composite(composite, SWT.NONE);
	inner.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, false, false, 3, 1));
	GridLayout layout= new GridLayout(2, false);
	layout.marginHeight= 0;
	layout.marginWidth= 0;
	inner.setLayout(layout);

	createLabel(inner, SWT.NONE, JavadocExportMessages.JavadocSpecificsWizardPage_sourcecompatibility_label, createGridData(GridData.HORIZONTAL_ALIGN_BEGINNING, 1, 0));

	fSourceCombo= createCombo(inner, SWT.NONE, fStore.getSource(), createGridData(1));
	String[] versions= { "-", //$NON-NLS-1$
			JavaCore.VERSION_1_3, JavaCore.VERSION_1_4, JavaCore.VERSION_1_5, JavaCore.VERSION_1_6, JavaCore.VERSION_1_7, JavaCore.VERSION_1_8 };
	fSourceCombo.setItems(versions);
	fSourceCombo.setText(fStore.getSource());


	//Listeners
	fOverViewButton.addSelectionListener(new ToggleSelectionAdapter(new Control[] { fOverViewBrowseButton, fOverViewText }) {
		@Override
		public void validate() {
			doValidation(OVERVIEWSTATUS);
		}
	});

	fOverViewText.addModifyListener(new ModifyListener() {
		public void modifyText(ModifyEvent e) {
			doValidation(OVERVIEWSTATUS);
		}
	});

	fOverViewBrowseButton.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent event) {
			handleFileBrowseButtonPressed(fOverViewText, new String[] { "*.html" }, JavadocExportMessages.JavadocSpecificsWizardPage_overviewbrowsedialog_title);  //$NON-NLS-1$
		}
	});

}
 

@Override
protected List<IRule> createRules() {

	List<IRule> rules= new ArrayList<IRule>();

	// Add rule for character constants.
	Token token= getToken(IJavaColorConstants.JAVA_STRING);
	rules.add(new SingleLineRule("'", "'", token, '\\')); //$NON-NLS-2$ //$NON-NLS-1$


	Token defaultToken= getToken(IJavaColorConstants.JAVA_DEFAULT);
	
	// Add generic whitespace rule.
	rules.add(new WhitespaceRule(new JavaWhitespaceDetector(), defaultToken));

	String version= getPreferenceStore().getString(SOURCE_VERSION);

	// Add JLS3 rule for /@\s*interface/ and /@\s*\w+/
	token= getToken(ANNOTATION_COLOR_KEY);
	AnnotationRule atInterfaceRule= new AnnotationRule(getToken(IJavaColorConstants.JAVA_KEYWORD), token, JavaCore.VERSION_1_5, version);
	rules.add(atInterfaceRule);
	fVersionDependentRules.add(atInterfaceRule);

	// Add word rule for new keywords, see bug 4077
	JavaWordDetector wordDetector= new JavaWordDetector();
	CombinedWordRule combinedWordRule= new CombinedWordRule(wordDetector, defaultToken);

	VersionedWordMatcher j14Matcher= new VersionedWordMatcher(defaultToken, JavaCore.VERSION_1_4, version);

	token= getToken(IJavaColorConstants.JAVA_KEYWORD);
	for (int i=0; i<fgJava14Keywords.length; i++)
		j14Matcher.addWord(fgJava14Keywords[i], token);

	combinedWordRule.addWordMatcher(j14Matcher);
	fVersionDependentRules.add(j14Matcher);

	VersionedWordMatcher j15Matcher= new VersionedWordMatcher(defaultToken, JavaCore.VERSION_1_5, version);
	
	token= getToken(IJavaColorConstants.JAVA_KEYWORD);
	for (int i=0; i<fgJava15Keywords.length; i++)
		j15Matcher.addWord(fgJava15Keywords[i], token);

	combinedWordRule.addWordMatcher(j15Matcher);
	fVersionDependentRules.add(j15Matcher);

	// Add rule for operators
	token= getToken(IJavaColorConstants.JAVA_OPERATOR);
	rules.add(new OperatorRule(token));

	// Add rule for brackets
	token= getToken(IJavaColorConstants.JAVA_BRACKET);
	rules.add(new BracketRule(token));

	// Add word rule for keyword 'return'.
	CombinedWordRule.WordMatcher returnWordRule= new CombinedWordRule.WordMatcher();
	token= getToken(IJavaColorConstants.JAVA_KEYWORD_RETURN);
	returnWordRule.addWord(RETURN, token);
	combinedWordRule.addWordMatcher(returnWordRule);

	// Add word rule for keywords, types, and constants.
	CombinedWordRule.WordMatcher wordRule= new CombinedWordRule.WordMatcher();
	token= getToken(IJavaColorConstants.JAVA_KEYWORD);
	for (int i=0; i<fgKeywords.length; i++)
		wordRule.addWord(fgKeywords[i], token);
	for (int i=0; i<fgTypes.length; i++)
		wordRule.addWord(fgTypes[i], token);
	for (int i=0; i<fgConstants.length; i++)
		wordRule.addWord(fgConstants[i], token);

	combinedWordRule.addWordMatcher(wordRule);

	rules.add(combinedWordRule);

	setDefaultReturnToken(defaultToken);
	return rules;
}