Java Code Examples for org.eclipse.jdt.core.JavaCore#VERSION_1_8

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;
}
 

/** Make the given project compliant for the given version.
 *
 * @param javaProject the project.
 * @param javaVersion the Java version.
 */
public static void makeCompliantFor(IJavaProject javaProject, JavaVersion javaVersion) {
	Map<String, String> options = javaProject.getOptions(false);
	String jreLevel;
	switch (javaVersion) {
	case JAVA8:
		jreLevel = JavaCore.VERSION_1_8;
		break;
	case JAVA6:
		jreLevel = JavaCore.VERSION_1_6;
		break;
	case JAVA5:
		jreLevel = JavaCore.VERSION_1_5;
		break;
	case JAVA7:
	default:
		jreLevel = JavaCore.VERSION_1_7;
	}
	options.put(JavaCore.COMPILER_COMPLIANCE, jreLevel);
	options.put(JavaCore.COMPILER_SOURCE, jreLevel);
	options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, jreLevel);
	options.put(JavaCore.COMPILER_PB_ASSERT_IDENTIFIER, JavaCore.ERROR);
	options.put(JavaCore.COMPILER_PB_ENUM_IDENTIFIER, JavaCore.ERROR);
	options.put(JavaCore.COMPILER_CODEGEN_INLINE_JSR_BYTECODE, JavaCore.ENABLED);
	options.put(JavaCore.COMPILER_LOCAL_VARIABLE_ATTR, JavaCore.GENERATE);
	options.put(JavaCore.COMPILER_LINE_NUMBER_ATTR, JavaCore.GENERATE);
	options.put(JavaCore.COMPILER_SOURCE_FILE_ATTR, JavaCore.GENERATE);
	options.put(JavaCore.COMPILER_CODEGEN_UNUSED_LOCAL, JavaCore.PRESERVE);
	javaProject.setOptions(options);
}
 

private static void setJava8() {
	astLevel = AST.JLS8;
	javaVersion = JavaCore.VERSION_1_8;
	visitor = new JavaVisitor("");
}
 

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);  //$NON-NLS-1$
		}
	});

}