Java Code Examples for org.eclipse.jdt.internal.corext.util.JavaModelUtil#getExecutionEnvironmentCompliance()

private String getDefaultEEName() {
	IVMInstall defaultVM= JavaRuntime.getDefaultVMInstall();

	IExecutionEnvironment[] environments= JavaRuntime.getExecutionEnvironmentsManager().getExecutionEnvironments();
	if (defaultVM != null) {
		for (int i= 0; i < environments.length; i++) {
			IVMInstall eeDefaultVM= environments[i].getDefaultVM();
			if (eeDefaultVM != null && defaultVM.getId().equals(eeDefaultVM.getId()))
				return environments[i].getId();
		}
	}

	String defaultCC=JavaModelUtil.VERSION_LATEST;
	if (defaultVM instanceof IVMInstall2)
		defaultCC= JavaModelUtil.getCompilerCompliance((IVMInstall2)defaultVM, defaultCC);

	for (int i= 0; i < environments.length; i++) {
		String eeCompliance= JavaModelUtil.getExecutionEnvironmentCompliance(environments[i]);
		if (defaultCC.endsWith(eeCompliance))
			return environments[i].getId();
	}

	return "JavaSE-1.7"; //$NON-NLS-1$
}
 

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

	fInstalledEEs= JavaRuntime.getExecutionEnvironmentsManager().getExecutionEnvironments();
	Arrays.sort(fInstalledEEs, new Comparator<IExecutionEnvironment>() {
		public int compare(IExecutionEnvironment arg0, IExecutionEnvironment arg1) {
			return Policy.getComparator().compare(arg0.getId(), arg1.getId());
		}
	});
	selectionIndex= -1;//find new index
	String[] eeLabels= new String[fInstalledEEs.length];
	fEECompliance= new String[fInstalledEEs.length];
	for (int i= 0; i < fInstalledEEs.length; i++) {
		eeLabels[i]= fInstalledEEs[i].getId();
		if (selectedItem != null && eeLabels[i].equals(selectedItem)) {
			selectionIndex= i;
		}
		fEECompliance[i]= JavaModelUtil.getExecutionEnvironmentCompliance(fInstalledEEs[i]);
	}
	comboField.setItems(eeLabels);
	if (selectionIndex == -1) {
		comboField.selectItem(getDefaultEEName());
	} else {
		comboField.selectItem(selectedItem);
	}
}
 

private IExecutionEnvironment findBestMatchingEE() {
	IExecutionEnvironmentsManager eeManager= JavaRuntime.getExecutionEnvironmentsManager();
	IExecutionEnvironment[] ees= eeManager.getExecutionEnvironments();
	IExecutionEnvironment bestEE= null;
	String bestEECompliance= null;
	
	for (int i= 0; i < ees.length; i++) {
		IExecutionEnvironment ee= ees[i];
		String eeCompliance= JavaModelUtil.getExecutionEnvironmentCompliance(ee);
		String eeId= ee.getId();
		
		if (fRequiredVersion.equals(eeCompliance)) {
			if (eeId.startsWith("J") && eeId.endsWith(fRequiredVersion)) { //$NON-NLS-1$
				bestEE= ee;
				break; // perfect match
			}
			
		} else if (JavaModelUtil.isVersionLessThan(eeCompliance, fRequiredVersion)) {
			continue; // no match
			
		} else { // possible match
			if (bestEE != null) {
				if (! eeId.startsWith("J")) { //$NON-NLS-1$
					continue; // avoid taking e.g. OSGi profile if a Java profile is available
				}
				if (JavaModelUtil.isVersionLessThan(bestEECompliance, eeCompliance)) {
					continue; // the other one is the least matching
				}
			}
		}
		// found a new best
		bestEE= ee;
		bestEECompliance= eeCompliance;
	}
	return bestEE;
}
 

private void fillExecutionEnvironments(ComboDialogField comboField) {
	String selectedItem = getLastSelectedEE();
	int selectionIndex = comboField.getSelectionIndex();
	if (this.useEEJRE.isSelected()) {
		if (selectionIndex != -1) {
			// paranoia
			selectedItem = comboField.getItems()[selectionIndex];
		}
	}

	this.installedEEs = JavaRuntime.getExecutionEnvironmentsManager().getExecutionEnvironments();
	Arrays.sort(this.installedEEs, new Comparator<IExecutionEnvironment>() {
		@Override
		public int compare(IExecutionEnvironment arg0, IExecutionEnvironment arg1) {
			return Policy.getComparator().compare(arg0.getId(), arg1.getId());
		}
	});
	// find new index
	selectionIndex = -1;
	final String[] eeLabels = new String[this.installedEEs.length];
	this.eeCompliance = new String[this.installedEEs.length];
	for (int i = 0; i < this.installedEEs.length; i++) {
		eeLabels[i] = this.installedEEs[i].getId();
		if (selectedItem != null && eeLabels[i].equals(selectedItem)) {
			selectionIndex = i;
		}
		this.eeCompliance[i] = JavaModelUtil.getExecutionEnvironmentCompliance(this.installedEEs[i]);
	}
	comboField.setItems(eeLabels);
	if (selectionIndex == -1) {
		comboField.selectItem(getDefaultEEName());
	} else {
		comboField.selectItem(selectedItem);
	}
}
 

private String getDefaultEEName() {
	final IVMInstall defaultVM = JavaRuntime.getDefaultVMInstall();

	final IExecutionEnvironment[] environments = JavaRuntime.getExecutionEnvironmentsManager()
			.getExecutionEnvironments();
	if (defaultVM != null) {
		for (int i = 0; i < environments.length; i++) {
			final IVMInstall eeDefaultVM = environments[i].getDefaultVM();
			if (eeDefaultVM != null && defaultVM.getId().equals(eeDefaultVM.getId())) {
				return environments[i].getId();
			}
		}
	}

	final String defaultCC;
	if (defaultVM instanceof IVMInstall2) {
		defaultCC = JavaModelUtil.getCompilerCompliance((IVMInstall2) defaultVM, SARLVersion.MINIMAL_JDK_VERSION_IN_SARL_PROJECT_CLASSPATH);
	} else {
		defaultCC = SARLVersion.MINIMAL_JDK_VERSION_IN_SARL_PROJECT_CLASSPATH;
	}

	for (int i = 0; i < environments.length; i++) {
		final String eeCompliance = JavaModelUtil.getExecutionEnvironmentCompliance(environments[i]);
		if (defaultCC.endsWith(eeCompliance)) {
			return environments[i].getId();
		}
	}

	return SARLVersion.MINIMAL_JDK_VERSION_IN_SARL_PROJECT_CLASSPATH;
}